WO2020195572A1 - 積層ポリエステルフィルム - Google Patents
積層ポリエステルフィルム Download PDFInfo
- Publication number
- WO2020195572A1 WO2020195572A1 PCT/JP2020/008630 JP2020008630W WO2020195572A1 WO 2020195572 A1 WO2020195572 A1 WO 2020195572A1 JP 2020008630 W JP2020008630 W JP 2020008630W WO 2020195572 A1 WO2020195572 A1 WO 2020195572A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- mass
- parts
- polyester film
- urethane resin
- diisocyanate
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Ceased
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J7/00—Chemical treatment or coating of shaped articles made of macromolecular substances
- C08J7/04—Coating
- C08J7/046—Forming abrasion-resistant coatings; Forming surface-hardening coatings
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J5/00—Manufacture of articles or shaped materials containing macromolecular substances
- C08J5/18—Manufacture of films or sheets
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B27/00—Layered products comprising a layer of synthetic resin
- B32B27/36—Layered products comprising a layer of synthetic resin comprising polyesters
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G18/00—Polymeric products of isocyanates or isothiocyanates
- C08G18/02—Polymeric products of isocyanates or isothiocyanates of isocyanates or isothiocyanates only
- C08G18/025—Polymeric products of isocyanates or isothiocyanates of isocyanates or isothiocyanates only the polymeric products containing carbodiimide groups
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G18/00—Polymeric products of isocyanates or isothiocyanates
- C08G18/06—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
- C08G18/28—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the compounds used containing active hydrogen
- C08G18/2805—Compounds having only one group containing active hydrogen
- C08G18/2815—Monohydroxy compounds
- C08G18/283—Compounds containing ether groups, e.g. oxyalkylated monohydroxy compounds
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G18/00—Polymeric products of isocyanates or isothiocyanates
- C08G18/06—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
- C08G18/28—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the compounds used containing active hydrogen
- C08G18/2805—Compounds having only one group containing active hydrogen
- C08G18/285—Nitrogen containing compounds
- C08G18/286—Oximes
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G18/00—Polymeric products of isocyanates or isothiocyanates
- C08G18/06—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
- C08G18/28—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the compounds used containing active hydrogen
- C08G18/2805—Compounds having only one group containing active hydrogen
- C08G18/285—Nitrogen containing compounds
- C08G18/2865—Compounds having only one primary or secondary amino group; Ammonia
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G18/00—Polymeric products of isocyanates or isothiocyanates
- C08G18/06—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
- C08G18/28—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the compounds used containing active hydrogen
- C08G18/30—Low-molecular-weight compounds
- C08G18/32—Polyhydroxy compounds; Polyamines; Hydroxyamines
- C08G18/3203—Polyhydroxy compounds
- C08G18/3206—Polyhydroxy compounds aliphatic
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G18/00—Polymeric products of isocyanates or isothiocyanates
- C08G18/06—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
- C08G18/28—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the compounds used containing active hydrogen
- C08G18/30—Low-molecular-weight compounds
- C08G18/34—Carboxylic acids; Esters thereof with monohydroxyl compounds
- C08G18/348—Hydroxycarboxylic acids
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G18/00—Polymeric products of isocyanates or isothiocyanates
- C08G18/06—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
- C08G18/28—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the compounds used containing active hydrogen
- C08G18/40—High-molecular-weight compounds
- C08G18/42—Polycondensates having carboxylic or carbonic ester groups in the main chain
- C08G18/4205—Polycondensates having carboxylic or carbonic ester groups in the main chain containing cyclic groups
- C08G18/4208—Polycondensates having carboxylic or carbonic ester groups in the main chain containing cyclic groups containing aromatic groups
- C08G18/4211—Polycondensates having carboxylic or carbonic ester groups in the main chain containing cyclic groups containing aromatic groups derived from aromatic dicarboxylic acids and dialcohols
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G18/00—Polymeric products of isocyanates or isothiocyanates
- C08G18/06—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
- C08G18/28—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the compounds used containing active hydrogen
- C08G18/40—High-molecular-weight compounds
- C08G18/42—Polycondensates having carboxylic or carbonic ester groups in the main chain
- C08G18/44—Polycarbonates
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G18/00—Polymeric products of isocyanates or isothiocyanates
- C08G18/06—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
- C08G18/28—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the compounds used containing active hydrogen
- C08G18/65—Low-molecular-weight compounds having active hydrogen with high-molecular-weight compounds having active hydrogen
- C08G18/6505—Low-molecular-weight compounds having active hydrogen with high-molecular-weight compounds having active hydrogen the low-molecular compounds being compounds of group C08G18/32 or polyamines of C08G18/38
- C08G18/6511—Low-molecular-weight compounds having active hydrogen with high-molecular-weight compounds having active hydrogen the low-molecular compounds being compounds of group C08G18/32 or polyamines of C08G18/38 compounds of group C08G18/3203
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G18/00—Polymeric products of isocyanates or isothiocyanates
- C08G18/06—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
- C08G18/28—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the compounds used containing active hydrogen
- C08G18/65—Low-molecular-weight compounds having active hydrogen with high-molecular-weight compounds having active hydrogen
- C08G18/6541—Low-molecular-weight compounds having active hydrogen with high-molecular-weight compounds having active hydrogen the low-molecular compounds being compounds of group C08G18/34
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G18/00—Polymeric products of isocyanates or isothiocyanates
- C08G18/06—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
- C08G18/28—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the compounds used containing active hydrogen
- C08G18/65—Low-molecular-weight compounds having active hydrogen with high-molecular-weight compounds having active hydrogen
- C08G18/66—Compounds of groups C08G18/42, C08G18/48, or C08G18/52
- C08G18/6633—Compounds of group C08G18/42
- C08G18/6659—Compounds of group C08G18/42 with compounds of group C08G18/34
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G18/00—Polymeric products of isocyanates or isothiocyanates
- C08G18/06—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
- C08G18/70—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the isocyanates or isothiocyanates used
- C08G18/72—Polyisocyanates or polyisothiocyanates
- C08G18/74—Polyisocyanates or polyisothiocyanates cyclic
- C08G18/75—Polyisocyanates or polyisothiocyanates cyclic cycloaliphatic
- C08G18/751—Polyisocyanates or polyisothiocyanates cyclic cycloaliphatic containing only one cycloaliphatic ring
- C08G18/752—Polyisocyanates or polyisothiocyanates cyclic cycloaliphatic containing only one cycloaliphatic ring containing at least one isocyanate or isothiocyanate group linked to the cycloaliphatic ring by means of an aliphatic group
- C08G18/753—Polyisocyanates or polyisothiocyanates cyclic cycloaliphatic containing only one cycloaliphatic ring containing at least one isocyanate or isothiocyanate group linked to the cycloaliphatic ring by means of an aliphatic group containing one isocyanate or isothiocyanate group linked to the cycloaliphatic ring by means of an aliphatic group having a primary carbon atom next to the isocyanate or isothiocyanate group
- C08G18/755—Polyisocyanates or polyisothiocyanates cyclic cycloaliphatic containing only one cycloaliphatic ring containing at least one isocyanate or isothiocyanate group linked to the cycloaliphatic ring by means of an aliphatic group containing one isocyanate or isothiocyanate group linked to the cycloaliphatic ring by means of an aliphatic group having a primary carbon atom next to the isocyanate or isothiocyanate group and at least one isocyanate or isothiocyanate group linked to a secondary carbon atom of the cycloaliphatic ring, e.g. isophorone diisocyanate
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G18/00—Polymeric products of isocyanates or isothiocyanates
- C08G18/06—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
- C08G18/70—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the isocyanates or isothiocyanates used
- C08G18/72—Polyisocyanates or polyisothiocyanates
- C08G18/74—Polyisocyanates or polyisothiocyanates cyclic
- C08G18/75—Polyisocyanates or polyisothiocyanates cyclic cycloaliphatic
- C08G18/751—Polyisocyanates or polyisothiocyanates cyclic cycloaliphatic containing only one cycloaliphatic ring
- C08G18/752—Polyisocyanates or polyisothiocyanates cyclic cycloaliphatic containing only one cycloaliphatic ring containing at least one isocyanate or isothiocyanate group linked to the cycloaliphatic ring by means of an aliphatic group
- C08G18/757—Polyisocyanates or polyisothiocyanates cyclic cycloaliphatic containing only one cycloaliphatic ring containing at least one isocyanate or isothiocyanate group linked to the cycloaliphatic ring by means of an aliphatic group containing at least two isocyanate or isothiocyanate groups linked to the cycloaliphatic ring by means of an aliphatic group
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G18/00—Polymeric products of isocyanates or isothiocyanates
- C08G18/06—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
- C08G18/70—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the isocyanates or isothiocyanates used
- C08G18/72—Polyisocyanates or polyisothiocyanates
- C08G18/74—Polyisocyanates or polyisothiocyanates cyclic
- C08G18/75—Polyisocyanates or polyisothiocyanates cyclic cycloaliphatic
- C08G18/758—Polyisocyanates or polyisothiocyanates cyclic cycloaliphatic containing two or more cycloaliphatic rings
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G18/00—Polymeric products of isocyanates or isothiocyanates
- C08G18/06—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
- C08G18/70—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the isocyanates or isothiocyanates used
- C08G18/72—Polyisocyanates or polyisothiocyanates
- C08G18/74—Polyisocyanates or polyisothiocyanates cyclic
- C08G18/76—Polyisocyanates or polyisothiocyanates cyclic aromatic
- C08G18/7614—Polyisocyanates or polyisothiocyanates cyclic aromatic containing only one aromatic ring
- C08G18/7628—Polyisocyanates or polyisothiocyanates cyclic aromatic containing only one aromatic ring containing at least one isocyanate or isothiocyanate group linked to the aromatic ring by means of an aliphatic group
- C08G18/7642—Polyisocyanates or polyisothiocyanates cyclic aromatic containing only one aromatic ring containing at least one isocyanate or isothiocyanate group linked to the aromatic ring by means of an aliphatic group containing at least two isocyanate or isothiocyanate groups linked to the aromatic ring by means of an aliphatic group having a primary carbon atom next to the isocyanate or isothiocyanate groups, e.g. xylylene diisocyanate or homologues substituted on the aromatic ring
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G18/00—Polymeric products of isocyanates or isothiocyanates
- C08G18/06—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
- C08G18/70—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the isocyanates or isothiocyanates used
- C08G18/72—Polyisocyanates or polyisothiocyanates
- C08G18/77—Polyisocyanates or polyisothiocyanates having heteroatoms in addition to the isocyanate or isothiocyanate nitrogen and oxygen or sulfur
- C08G18/78—Nitrogen
- C08G18/79—Nitrogen characterised by the polyisocyanates used, these having groups formed by oligomerisation of isocyanates or isothiocyanates
- C08G18/791—Nitrogen characterised by the polyisocyanates used, these having groups formed by oligomerisation of isocyanates or isothiocyanates containing isocyanurate groups
- C08G18/792—Nitrogen characterised by the polyisocyanates used, these having groups formed by oligomerisation of isocyanates or isothiocyanates containing isocyanurate groups formed by oligomerisation of aliphatic and/or cycloaliphatic isocyanates or isothiocyanates
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G18/00—Polymeric products of isocyanates or isothiocyanates
- C08G18/06—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
- C08G18/70—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the isocyanates or isothiocyanates used
- C08G18/72—Polyisocyanates or polyisothiocyanates
- C08G18/77—Polyisocyanates or polyisothiocyanates having heteroatoms in addition to the isocyanate or isothiocyanate nitrogen and oxygen or sulfur
- C08G18/78—Nitrogen
- C08G18/79—Nitrogen characterised by the polyisocyanates used, these having groups formed by oligomerisation of isocyanates or isothiocyanates
- C08G18/797—Nitrogen characterised by the polyisocyanates used, these having groups formed by oligomerisation of isocyanates or isothiocyanates containing carbodiimide and/or uretone-imine groups
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G18/00—Polymeric products of isocyanates or isothiocyanates
- C08G18/06—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
- C08G18/70—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the isocyanates or isothiocyanates used
- C08G18/72—Polyisocyanates or polyisothiocyanates
- C08G18/80—Masked polyisocyanates
- C08G18/8003—Masked polyisocyanates masked with compounds having at least two groups containing active hydrogen
- C08G18/8006—Masked polyisocyanates masked with compounds having at least two groups containing active hydrogen with compounds of C08G18/32
- C08G18/8009—Masked polyisocyanates masked with compounds having at least two groups containing active hydrogen with compounds of C08G18/32 with compounds of C08G18/3203
- C08G18/8012—Masked polyisocyanates masked with compounds having at least two groups containing active hydrogen with compounds of C08G18/32 with compounds of C08G18/3203 with diols
- C08G18/8016—Masked aliphatic or cycloaliphatic polyisocyanates
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G18/00—Polymeric products of isocyanates or isothiocyanates
- C08G18/06—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
- C08G18/70—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the isocyanates or isothiocyanates used
- C08G18/72—Polyisocyanates or polyisothiocyanates
- C08G18/80—Masked polyisocyanates
- C08G18/8061—Masked polyisocyanates masked with compounds having only one group containing active hydrogen
- C08G18/8064—Masked polyisocyanates masked with compounds having only one group containing active hydrogen with monohydroxy compounds
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G18/00—Polymeric products of isocyanates or isothiocyanates
- C08G18/06—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
- C08G18/70—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the isocyanates or isothiocyanates used
- C08G18/72—Polyisocyanates or polyisothiocyanates
- C08G18/80—Masked polyisocyanates
- C08G18/8061—Masked polyisocyanates masked with compounds having only one group containing active hydrogen
- C08G18/807—Masked polyisocyanates masked with compounds having only one group containing active hydrogen with nitrogen containing compounds
- C08G18/8077—Oximes
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G18/00—Polymeric products of isocyanates or isothiocyanates
- C08G18/06—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
- C08G18/70—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the isocyanates or isothiocyanates used
- C08G18/72—Polyisocyanates or polyisothiocyanates
- C08G18/80—Masked polyisocyanates
- C08G18/8061—Masked polyisocyanates masked with compounds having only one group containing active hydrogen
- C08G18/8096—Masked polyisocyanates masked with compounds having only one group containing active hydrogen with two or more compounds having only one group containing active hydrogen
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G63/00—Macromolecular compounds obtained by reactions forming a carboxylic ester link in the main chain of the macromolecule
- C08G63/02—Polyesters derived from hydroxycarboxylic acids or from polycarboxylic acids and polyhydroxy compounds
- C08G63/12—Polyesters derived from hydroxycarboxylic acids or from polycarboxylic acids and polyhydroxy compounds derived from polycarboxylic acids and polyhydroxy compounds
- C08G63/16—Dicarboxylic acids and dihydroxy compounds
- C08G63/18—Dicarboxylic acids and dihydroxy compounds the acids or hydroxy compounds containing carbocyclic rings
- C08G63/181—Acids containing aromatic rings
- C08G63/183—Terephthalic acids
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G63/00—Macromolecular compounds obtained by reactions forming a carboxylic ester link in the main chain of the macromolecule
- C08G63/68—Polyesters containing atoms other than carbon, hydrogen and oxygen
- C08G63/688—Polyesters containing atoms other than carbon, hydrogen and oxygen containing sulfur
- C08G63/6884—Polyesters containing atoms other than carbon, hydrogen and oxygen containing sulfur derived from polycarboxylic acids and polyhydroxy compounds
- C08G63/6886—Dicarboxylic acids and dihydroxy compounds
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G63/00—Macromolecular compounds obtained by reactions forming a carboxylic ester link in the main chain of the macromolecule
- C08G63/78—Preparation processes
- C08G63/80—Solid-state polycondensation
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J7/00—Chemical treatment or coating of shaped articles made of macromolecular substances
- C08J7/04—Coating
- C08J7/0427—Coating with only one layer of a composition containing a polymer binder
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J7/00—Chemical treatment or coating of shaped articles made of macromolecular substances
- C08J7/04—Coating
- C08J7/043—Improving the adhesiveness of the coatings per se, e.g. forming primers
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D167/00—Coating compositions based on polyesters obtained by reactions forming a carboxylic ester link in the main chain; Coating compositions based on derivatives of such polymers
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D167/00—Coating compositions based on polyesters obtained by reactions forming a carboxylic ester link in the main chain; Coating compositions based on derivatives of such polymers
- C09D167/02—Polyesters derived from dicarboxylic acids and dihydroxy compounds
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D175/00—Coating compositions based on polyureas or polyurethanes; Coating compositions based on derivatives of such polymers
- C09D175/04—Polyurethanes
- C09D175/06—Polyurethanes from polyesters
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D7/00—Features of coating compositions, not provided for in group C09D5/00; Processes for incorporating ingredients in coating compositions
- C09D7/40—Additives
- C09D7/60—Additives non-macromolecular
- C09D7/61—Additives non-macromolecular inorganic
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
- C09J167/00—Adhesives based on polyesters obtained by reactions forming a carboxylic ester link in the main chain; Adhesives based on derivatives of such polymers
- C09J167/02—Polyesters derived from dicarboxylic acids and dihydroxy compounds
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D2503/00—Polyurethanes
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D7/00—Processes, other than flocking, specially adapted for applying liquids or other fluent materials to particular surfaces or for applying particular liquids or other fluent materials
- B05D7/02—Processes, other than flocking, specially adapted for applying liquids or other fluent materials to particular surfaces or for applying particular liquids or other fluent materials to macromolecular substances, e.g. rubber
- B05D7/04—Processes, other than flocking, specially adapted for applying liquids or other fluent materials to particular surfaces or for applying particular liquids or other fluent materials to macromolecular substances, e.g. rubber to surfaces of films or sheets
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2255/00—Coating on the layer surface
- B32B2255/10—Coating on the layer surface on synthetic resin layer or on natural or synthetic rubber layer
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2255/00—Coating on the layer surface
- B32B2255/26—Polymeric coating
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2307/00—Properties of the layers or laminate
- B32B2307/40—Properties of the layers or laminate having particular optical properties
- B32B2307/412—Transparent
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J2367/00—Characterised by the use of polyesters obtained by reactions forming a carboxylic ester link in the main chain; Derivatives of such polymers
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J2367/00—Characterised by the use of polyesters obtained by reactions forming a carboxylic ester link in the main chain; Derivatives of such polymers
- C08J2367/02—Polyesters derived from dicarboxylic acids and dihydroxy compounds
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J2467/00—Characterised by the use of polyesters obtained by reactions forming a carboxylic ester link in the main chain; Derivatives of such polymers
- C08J2467/02—Polyesters derived from dicarboxylic acids and dihydroxy compounds
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J2475/00—Characterised by the use of polyureas or polyurethanes; Derivatives of such polymers
- C08J2475/04—Polyurethanes
- C08J2475/06—Polyurethanes from polyesters
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
- C09J2467/00—Presence of polyester
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
- C09J2475/00—Presence of polyurethane
Definitions
- the present invention relates to a laminated polyester film. More specifically, the present invention relates to a laminated polyester film having an easily adhesive coating layer suitable for all fields such as optics, packaging, and labels.
- Thermoplastic resin films especially polyester films, have excellent mechanical properties, electrical properties, dimensional stability, transparency, chemical resistance, etc., and therefore have excellent properties such as magnetic recording materials, packaging materials, solar cell applications, and flat displays. It is widely used as an antireflection film, a diffusion sheet, an optical film such as a prism sheet, a label printing film, and the like. However, in these applications, when another material is applied and laminated on the polyester film, there is a drawback that the adhesiveness is poor depending on the material used.
- Patent Documents 1 and 2 Conventionally, by using a coating liquid containing a copolymerized polyester resin and a urethane resin, a coating liquid containing a copolymerized polyester resin, a urethane resin, and an isocyanate compound for the coating layer, it is easy to adhere to hard coat processing, prism lens processing, etc.
- Techniques for imparting sex have been known (Patent Documents 1 and 2).
- Patent Documents 1 and 2 has a problem that the blocking resistance is not excellent and the adhesion to the UV ink (ultraviolet curable ink) used for label printing is insufficient.
- Patent Document 3 a technique has been known in which urethane resin and blocked isocyanate are used as a coating layer to impart easy adhesiveness to a hard coat process, which is particularly used in manufacturing a front sheet for a solar cell.
- Patent Document 4 a technique of imparting easy adhesiveness to label processing by using an acrylic copolymer and a polymer having an oxazoline group as a coating layer.
- Patent Document 4 a technique of imparting easy adhesiveness to label processing by using an acrylic copolymer and a polymer having an oxazoline group as a coating layer.
- Patent Document 4 such a conventional technique has a problem that the adhesion to the hard coat layer is insufficient.
- Japanese Unexamined Patent Publication No. 2000-22935 Japanese Unexamined Patent Publication No. 2004-35761 Japanese Unexamined Patent Publication No. 2016-015491 Japanese Unexamined Patent Publication No. 2004-082369
- an object of the present invention is to provide a laminated polyester film having high transparency, blocking resistance, and excellent adhesion to a hard coat layer and UV ink.
- the present inventor has a coating layer on at least one surface of the polyester film base material in the process of examining the cause of the above problem in order to solve the above problems, and the coating layer is a cross-linking agent and a polyester resin. Further, they have found that the problem of the present invention can be solved when the composition containing the urethane resin having a polycarbonate structure and a branched structure is cured, and the present invention has been completed.
- the present invention has the following configuration.
- 1. A composition which is a laminated polyester film having a coating layer on at least one surface of a polyester film base material, wherein the coating layer contains a urethane resin having a polycarbonate structure and a branched structure, a cross-linking agent, and a polyester resin.
- 2. The laminated polyester film according to the first aspect, wherein the cross-linking agent is a compound having a trifunctional or higher functional blocked isocyanate group. 3. 3.
- the urethane resin having the polycarbonate structure and the branched structure is formed by synthesizing and polymerizing a polycarbonate polyol component and a polyisocyanate component, and the mass ratio of the polycarbonate polyol component and the polyisocyanate component at the time of the synthesis and polymerization (polycarbonate polyol).
- the laminated polyester film of the present invention has high transparency, blocking resistance, and excellent adhesion to the hard coat layer and UV ink. In particular, it has excellent UV ink adhesion during low-dose processing.
- the polyester resin constituting the polyester film base material includes polyethylene terephthalate, polybutylene terephthalate, polyethylene-2,6-naphthalate, polytrimethylene terephthalate and the like, as well as the diol component or dicarboxylic acid component of the polyester resin as described above. It is a copolymerized polyester resin in which a part of the above is replaced with the following copolymerization component.
- a diol component such as diethylene glycol, neopentyl glycol, 1,4-cyclohexanedimethanol, polyalkylene glycol, etc.
- the polyester resin preferably used for the polyester film base material in the present invention is mainly selected from polyethylene terephthalate, polytrimethylene terephthalate, polybutylene terephthalate, and polyethylene-2,6-naphthalate.
- polyethylene terephthalate is most preferable from the viewpoint of the balance between physical properties and cost.
- the polyester film base material composed of these polyester resins is preferably a biaxially stretched polyester film, and can improve chemical resistance, heat resistance, mechanical strength and the like.
- the catalyst for polycondensation used in the production of the polyester resin is not particularly limited, but antimony trioxide is suitable because it is an inexpensive catalyst and has excellent catalytic activity. It is also preferable to use a germanium compound or a titanium compound. More preferable polycondensation catalysts include catalysts containing aluminum and / or its compounds and phenolic compounds, catalysts containing aluminum and / or its compounds and phosphorus compounds, and catalysts containing aluminum salts of phosphorus compounds. Particularly preferably, the transparency of the film can be improved by using a catalyst containing aluminum and / or a compound thereof and a phosphorus compound.
- the polyester film base material in the present invention is not particularly limited in its layer structure, and may be a single-layer polyester film or a two-layer structure having different components from each other, and the outer layer and the inner layer may be formed. It may be a polyester film base material having at least three layers.
- the laminated polyester film of the present invention is crosslinked with a urethane resin having a polycarbonate structure and a branched structure on at least one surface thereof in order to improve adhesion to a hard coat layer, adhesion to UV ink, and blocking resistance. It is preferable that the coating layer formed by curing the composition containing the agent and the polyester resin is laminated. It is considered that the coating layer in the coating layer is formed by curing a urethane resin or polyester resin having a polycarbonate structure and a branched structure, which is crosslinked by a crosslinking agent.
- a composition containing a urethane resin having a polycarbonate structure and a branched structure, a crosslinking agent, and a polyester resin is cured and formed. expressing.
- the coating layer may be provided on both sides of the polyester film, or may be provided on only one side of the polyester film, and different types of resin coating layers may be provided on the other side.
- the urethane resin having a polycarbonate structure in the present invention preferably has at least a polycarbonate polyol component, a urethane bond portion derived from the polyisocyanate component, and a branched structure, and further contains a chain extender, if necessary.
- the branched structure referred to here is a branched molecular chain structure formed after being synthesized and polymerized by the presence of three or more terminal functional groups of any of the raw material components constituting the molecular chain. This is preferably introduced.
- the urethane resin having a polycarbonate structure in the present invention is preferable when the number of terminal functional groups in the molecular chain is 3 to 6 due to the branched structure, because the resin can be stably dispersed in the aqueous solution and the blocking resistance can be improved. ..
- the lower limit of the mass ratio of the polycarbonate polyol component and the polyisocyanate component is preferably 0.5. It is more preferably 0.6, still more preferably 0.7, particularly preferably 0.8, and most preferably 1.0. When it is 0.5 or more, the adhesion to the UV ink can be improved, which is preferable.
- the upper limit of the mass ratio of the polycarbonate polyol component and the polyisocyanate component when synthesizing and polymerizing the urethane resin having a polycarbonate structure in the present invention is preferably 3.0, more preferably 2.2, and even more preferably 2. It is 0.0, particularly preferably 1.7, and most preferably 1.5. When it is 3.0 or less, blocking resistance can be improved, which is preferable.
- the polycarbonate polyol component used for synthesizing and polymerizing the urethane resin having a polycarbonate structure in the present invention preferably contains an aliphatic polycarbonate polyol having excellent heat resistance and hydrolysis resistance.
- the aliphatic polycarbonate polyol include an aliphatic polycarbonate diol and an aliphatic polycarbonate triol, and an aliphatic polycarbonate diol can be preferably used.
- Examples of the aliphatic polycarbonate diol used for synthesizing and polymerizing the urethane resin having a polycarbonate structure in the present invention include ethylene glycol, propylene glycol, 1,3-propanediol, 1,4-butanediol, and 1,5.
- -Pentanediol 3-methyl-1,5-pentanediol, 1,6-hexanediol, 1,9-nonanediol, 1,8-nonanediol, neopentyl glycol, diethylene glycol, dipropylene glycol and other diols
- examples thereof include aliphatic polycarbonate diols obtained by reacting one or more of them with carbonates such as dimethyl carbonate, ethylene carbonate, and phosgen.
- the number average molecular weight of the polycarbonate polyol in the present invention is preferably 1000 to 3000. It is more preferably 1200 to 2900, and most preferably 1500 to 2800. When it is 1000 or more, the ink adhesion can be improved, which is preferable. When it is 3000 or less, blocking resistance can be improved, which is preferable.
- Examples of the polyisocyanate used for the synthesis and polymerization of the urethane resin having a polycarbonate structure in the present invention include aromatic aliphatic diisocyanates such as xylylene diisocyanate, isophorone diisocyanate, 4,4-dicyclohexylmethane diisocyanate, and 1,3-bis. Aliphatic diisocyanates such as (isocyanate methyl) cyclohexane, hexamethylene diisocyanates, and aliphatic diisocyanates such as 2,2,4-trimethylhexamethylene diisocyanates, or a single or a plurality of these compounds with trimethylpropane or the like.
- aromatic aliphatic diisocyanates such as xylylene diisocyanate, isophorone diisocyanate, 4,4-dicyclohexylmethane diisocyanate, and 1,3-bis.
- Aliphatic diisocyanates such as (
- Examples thereof include polyisocyanates added in advance.
- polyisocyanates added in advance.
- the above aromatic aliphatic diisocyanates, alicyclic diisocyanates, or aliphatic diisocyanates are used, there is no problem of yellowing and it is preferable. Further, it is preferable that the coating film is not too hard, the stress due to heat shrinkage of the polyester film base material can be relaxed, and the adhesiveness is good.
- chain extender examples include glycols such as ethylene glycol, diethylene glycol, 1,4-butanediol, neopentyl glycol and 1,6-hexanediol, polyhydric alcohols such as glycerin, trimethylolpropane, and pentaerythritol, and ethylenediamine. , Hexamethylenediamine, diamines such as piperazine, aminoalcohols such as monoethanolamine and diethanolamine, thiodiglycols such as thiodiethylene glycol, and water.
- glycols such as ethylene glycol, diethylene glycol, 1,4-butanediol, neopentyl glycol and 1,6-hexanediol
- polyhydric alcohols such as glycerin, trimethylolpropane, and pentaerythritol
- ethylenediamine Hexamethylenediamine
- diamines such as piperazine
- the above-mentioned polycarbonate polyol component, polyisocyanate, and chain extender are reacted at an appropriate temperature and time, and then a trifunctional or higher functional hydroxyl group or isocyanate group is formed.
- a method of adding the compound to be contained and further advancing the reaction can be preferably adopted.
- compounds having trifunctional or higher hydroxyl groups include caprolactone triol, glycerol, trimethylolpropane, butanetriol, hexanetriol, 1,2,3-hexanetriol, 1,2,3-pentanthriol, 1,3. , 4-Hexanetriol, 1,3,4-pentantriol, 1,3,5-hexanetriol, 1,3,5-pentantriol, polyethertriol and the like.
- the polyether triol include ethylene oxide, propylene oxide, and butylene, starting with one or more compounds having three active hydrogens, such as alcohols such as glycerin and trimethylolpropane, and diethylenetriamine.
- Examples thereof include compounds obtained by addition-polymerizing one or more of monomers such as oxide, aylene oxide, glycidyl ether, methyl glycidyl ether, t-butyl glycidyl ether, and phenyl glycidyl ether.
- the compound having a trifunctional or higher functional isocyanate group may be a polyisocyanate compound having at least three or more isocyanate (NCO) groups in one molecule.
- the trifunctional or higher functional isocyanate compound has two isocyanate groups, such as an aromatic diisocyanate, an aliphatic diisocyanate, an aromatic aliphatic diisocyanate, and an alicyclic diisocyanate, which are modified with an isocyanate monomer, a bullet body, a nurate body, and a nurate body. Adduct body and the like can be mentioned.
- the aromatic diisocyanate is, for example, 1,3-phenylenediocyanate, 4,4'-diphenyldiisocyanate, 1,4-phenylenediisocyanate, 4,4'-diphenylmethane diisocyanate, 2,4-tolylene diisocyanate, 2,6-tolylene diisocyanate.
- examples thereof include isocyanate, 4,4'-toluidine diisocyanate, dianisidine diisocyanate, and 4,4'-diphenyl ether diisocyanate.
- the aliphatic diisocyanate includes, for example, trimethylene diisocyanate, tetramethylene diisocyanate, hexamethylene diisocyanate, pentamethylene diisocyanate, 1,2-propylene diisocyanate, 2,3-butylenedylene diisocyanate, 1,3-butylenediocyanide, dodecamethylene diisocyanate, and 2, Examples thereof include 4,4-trimethylhexamethylene diisocyanate.
- aromatic aliphatic diisocyanate examples include xylylene diisocyanate, ⁇ , ⁇ '-diisocyanate-1,4-diisocyanate, 1,4-tetramethylxylylene diisocyanate, and 1,3-tetramethylxylylene diisocyanate.
- the alicyclic diisocyanate is, for example, 3-isocyanate methyl-3,5,5-trimethylcyclohexylisocyanate (also known as IPDI, isophorone diisocyanate), 1,3-cyclopentane diisocyanate, 1,3-cyclohexanediisocyanate, 1,4-cyclohexane.
- the burette body is a self-condensation product having a burette bond formed by self-condensation of an isocyanate monomer, and examples thereof include a burette body of hexamethylene diisocyanate.
- the nurate form is a trimer of an isocyanate monomer, and examples thereof include a trimer of hexamethylene diisocyanate, a trimer of isophorone diisocyanate, and a trimer of tolylene diisocyanate.
- the adduct is a trifunctional or higher functional isocyanate compound obtained by reacting the above isocyanate monomer with a trifunctional or higher low molecular weight active hydrogen-containing compound. For example, a compound obtained by reacting trimethyl propane with hexamethylene diisocyanate.
- chain extender having a trifunctional or higher functional number examples include trimethylolpropane in the description of the chain extender and alcohols having a trifunctional or higher hydroxyl group such as pentaerythritol.
- the coating layer in the present invention is preferably provided by an in-line coating method described later using a water-based coating liquid. Therefore, it is desirable that the urethane resin of the present invention has water solubility or water dispersibility.
- water-soluble or water-dispersible means that water or a water-soluble organic solvent is dispersed in an aqueous solution containing less than 50% by mass.
- a sulfonic acid (salt) group or a carboxylic acid (salt) group can be introduced (copolymerized) into the urethane molecular skeleton.
- a weakly acidic carboxylic acid (salt) group it is preferable to introduce a nonionic group such as a polyoxyalkylene group.
- a polyol compound having a carboxylic acid group such as dimethylolpropaneic acid or dimethylolbutanoic acid is introduced as a copolymer component as a polyol component to form a salt.
- the salt forming agent include trialkylamines such as ammonia, trimethylamine, triethylamine, triisopropylamine, tri-n-propylamine and tri-n-butylamine, and N such as N-methylmorpholine and N-ethylmorpholine.
- N-dialkylalkanolamines such as -alkylmorpholins, N-dimethylethanolamine and N-diethylethanolamine. These can be used alone or in combination of two or more.
- the composition molar ratio of the polyol compound having a carboxylic acid (salt) group in the urethane resin is the urethane resin.
- the total polyisocyanate component of the above is 100 mol%, it is preferably 3 to 60 mol%, and preferably 5 to 40 mol%.
- the composition molar ratio is 3 mol% or more, water dispersibility can be obtained, which is preferable.
- the composition molar ratio is 60 mol% or less, water resistance is maintained and moisture and heat resistance is obtained, which is preferable.
- the urethane resin of the present invention may have a blocked isocyanate structure at the end in order to improve the hardness.
- the cross-linking agent contained in the coating layer forming composition is preferably blocked isocyanate, more preferably trifunctional or higher functional blocked isocyanate, and particularly preferably tetrafunctional or higher functional blocked isocyanate. As a result, blocking resistance and adhesion to the hard coat layer are improved.
- the lower limit of the NCO equivalent of the blocked isocyanate is preferably 100, more preferably 120, still more preferably 130, particularly preferably 140, and most preferably 150. When the NCO equivalent is 100 or more, there is no risk of coating film cracking, which is preferable.
- the upper limit of the NCO equivalent is preferably 500, more preferably 400, still more preferably 380, particularly preferably 350, and most preferably 300. When the NCO equivalent is 500 or less, blocking resistance is maintained, which is preferable.
- the lower limit of the boiling point of the blocking agent for the blocked isocyanate is preferably 150 ° C., more preferably 160 ° C., further preferably 180 ° C., particularly preferably 200 ° C., and most preferably 210 ° C.
- the higher the boiling point of the blocking agent the more the volatilization of the blocking agent is suppressed by heat addition in the drying process after coating the coating liquid or in the case of the in-line coating process, and the occurrence of minute irregularities on the coated surface is suppressed. , The transparency of the film is improved.
- the upper limit of the boiling point of the blocking agent is not particularly limited, but it seems that the upper limit is about 300 ° C. from the viewpoint of productivity.
- the boiling point is related to the molecular weight
- the molecular weight of the blocking agent is preferably 50 or more, more preferably 60 or more, and further 80 or more. preferable.
- the upper limit of the dissociation temperature of the blocking agent is preferably 200 ° C., more preferably 180 ° C., further preferably 160 ° C., particularly preferably 150 ° C., and most preferably 120 ° C. Is.
- the blocking agent dissociates from the functional group by heat addition in the drying step after the coating liquid is applied or in the case of the in-line coating method in the film forming step, and a regenerated isocyanate group is generated. Therefore, the cross-linking reaction with the urethane resin or the like proceeds, and the adhesiveness is improved.
- the dissociation temperature of the blocked isocyanate is equal to or lower than the above temperature, the dissociation of the blocking agent proceeds sufficiently, so that the adhesiveness, particularly the moisture and heat resistance is good.
- Examples of the blocking agent used for the blocked isocyanate of the present invention which has a dissociation temperature of 120 ° C. or lower and a blocking agent having a boiling point of 150 ° C. or higher, include malosulfate-based compounds: sodium disulfide and pyrazole-based compounds: 3,5-.
- Active methylene such as dimethylpyrazole, 3-methylpyrazole, 4-bromo-3,5-dimethylpyrazole, 4-nitro-3,5-dimethylpyrazole: malonic acid diester (dimethyl malonate, diethyl malonate, din-malonate) Butyl, di2-ethylhexyl malonate), methyl ethyl ketone, etc.
- Triazole compounds 1,2,4-triazole and the like. Of these, pyrazole compounds are preferable from the viewpoint of moisture resistance and heat resistance and yellowing.
- the trifunctional or higher functional polyisocyanate which is a precursor of the blocked isocyanate of the present invention can be suitably obtained by introducing an isocyanate monomer.
- an isocyanate monomer for example, a bullet form, a nurate form, an adduct form, etc. obtained by modifying an isocyanate monomer such as an aromatic diisocyanate having two isocyanate groups, an aliphatic diisocyanate, an aromatic aliphatic diisocyanate, or an alicyclic diisocyanate can be mentioned.
- the burette body is a self-condensation product having a burette bond formed by self-condensation of an isocyanate monomer, and examples thereof include a burette body of hexamethylene diisocyanate.
- the nurate form is a trimer of an isocyanate monomer, and examples thereof include a trimer of hexamethylene diisocyanate, a trimer of isophorone diisocyanate, and a trimer of tolylene diisocyanate.
- the adduct is a trifunctional or higher functional isocyanate compound obtained by reacting an isocyanate monomer with a trifunctional or higher low molecular weight active hydrogen-containing compound, for example, a compound obtained by reacting trimethyl propane with hexamethylene diisocyanate.
- Examples thereof include a compound obtained by reacting trimethylolpropane and tolylene diisocyanate, a compound obtained by reacting trimethylolpropane and xylylene diisocyanate, and a compound obtained by reacting trimethylolpropane and isophorone diisocyanate.
- isocyanate monomer examples include 2,4-tolylene diisocyanis, 2,6-tolylene diisocyanate, 4,4'-diphenylmethane diisocyanate, 2,4'-diphenylmethane diisocyanate, 2,2'-diphenylmethane diisocyanate, and 1,5.
- -Nafethylene diisocyanis 1,4-naphthylene diisocyanate, phenylenediisocyanate, tetramethylxylylene diisocyanate, 4,4'-diphenyl ether diisocyanate, 2-nitrodiphenyl-4,4'-diisocyanate, 2,2'-diphenylpropane- Aromatic diisocyanis such as 4,4'-diisocyanine, 3,3'-dimethyldiphenylmethane-4,4'-diisocyanate, 4,4'-diphenylpropane diisocyanate, 3,3'-dimethoxydiphenyl-4,4'-diisocyanate, etc.
- Arophilic aliphatic diisocyanis such as xylylene diisocyanate, isophorone diisocyanate and 4,4-dicyclohexylmethane diisocyanate
- alicyclic diisocyanes such as 1,3-bis (isocyanisylmethyl) cyclohexane, hexamethylene diisocyanate, and 2
- Examples thereof include aliphatic diisocyanates such as 2,4-trimethylhexamethylene diisocyanate.
- aliphatic and alicyclic isocyanates and modified products thereof are preferable, and they are preferable for optical use which requires high transparency without yellowing.
- the blocked isocyanate in the present invention can introduce a hydrophilic group into the precursor polyisocyanate in order to impart water solubility or water dispersibility.
- the hydrophilic group include (1) a quaternary ammonium salt of a dialkylamino alcohol, a quaternary ammonium salt of a dialkylaminoalkylamine, (2) a sulfonate, a carboxylate, a phosphate, and the like, and (3) an alkyl group.
- examples thereof include polyethylene glycol and polypropylene glycol that are sealed at one end.
- water-soluble resins are anionic, and therefore, anionic or nonionic resins that are easily compatible with each other are preferable. Further, since the anionic property has excellent compatibility with other resins and the nonionic property does not have an ionic hydrophilic group, it is also preferable for improving the moist heat resistance.
- the anionic hydrophilic group preferably has a hydroxyl group for introduction into polyisocyanate and a carboxylic acid group for imparting hydrophilicity.
- a hydroxyl group for introduction into polyisocyanate and a carboxylic acid group for imparting hydrophilicity.
- examples thereof include glycolic acid, lactic acid, tartaric acid, citric acid, oxybutyric acid, oxyvaleric acid, hydroxypivalic acid, dimethylol acetic acid, dimethylol propanoic acid, dimethylol butanoic acid, and polycaprolactone having a carboxylic acid group.
- Organic amine compounds are preferred for neutralizing carboxylic acid groups.
- ammonia methylamine, ethylamine, propylamine, isopropylamine, butylamine, 2-ethylhexylamine, cyclohexylamine, dimethylamine, diethylamine, dipropylamine, diisopropylamine, dibutylamine, trimethylamine, triethylamine, triisopropylamine, tributylamine.
- Linear, branched 1,2 or tertiary amines with 1 to 20 carbon atoms such as ethylenediamine, cyclic amines such as morpholin, N-alkylmorpholin, pyridine, monoisopropanolamine, methylethanolamine, methylisopropanolamine, Examples thereof include hydroxyl group-containing amines such as dimethylethanolamine, diisopropanolamine, diethanolamine, triethanolamine, diethylethanolamine and triethanolamine.
- the repeating unit of polyethylene glycol, polypropylene glycol ethylene oxide and / or propylene oxide whose one end is sealed with an alkyl group is preferably 3 to 50, more preferably 5 to 30. If the repeating unit is small, the compatibility with the resin is poor and the haze is increased, and if it is large, the adhesiveness under high temperature and high humidity may be lowered.
- the blocked isocyanate of the present invention can be added with a nonionic, anionic, cationic or amphoteric surfactant in order to improve water dispersibility.
- nonionic systems such as polyethylene glycol and polyhydric alcohol fatty acid esters
- anionic systems such as fatty acid salts, alkyl sulfate esters, alkylbenzene sulfonates, sulfosuccinates and alkyl phosphates
- cationic systems such as alkylamine salts and alkylbetaines.
- surfactants such as carboxylic acid amine salt, sulfonic acid amine salt, and sulfate ester salt.
- a water-soluble organic solvent can be contained.
- the organic solvent used in the reaction or it can be removed and another organic solvent can be added.
- the polyester resin used to form the coating layer in the present invention may be linear, but more preferably a polyester resin containing a dicarboxylic acid and a diol having a branched structure as constituent components. Is preferable.
- the main component of the dicarboxylic acid referred to here is terephthalic acid, isophthalic acid or 2,6-naphthalenedicarboxylic acid, as well as aliphatic dicarboxylic acids such as adipic acid and sebacic acid, terephthalic acid, isophthalic acid, phthalic acid, 2, Aromatic dicarboxylic acids such as 6-naphthalenedicarboxylic acid can be mentioned.
- the branched glycol is a diol having a branched alkyl group, for example, 2,2-dimethyl-1,3-propanediol, 2-methyl-2-ethyl-1,3-propanediol, 2-.
- Methyl-2-butyl-1,3-propanediol 2-methyl-2-propyl-1,3-propanediol, 2-methyl-2-isopropyl-1,3-propanediol, 2-methyl-2-n -Hexyl-1,3-propanediol, 2,2-diethyl-1,3-propanediol, 2-ethyl-2-n-butyl-1,3-propanediol, 2-ethyl-2-n-hexyl- 1,3-Propanediol, 2,2-di-n-butyl-1,3-propanediol, 2-n-butyl-2-propyl-1,3-propanediol, and 2,2-di-n- Hexil-1,3-propanediol and the like can be mentioned.
- the polyester resin contains the branched glycol component, which is a more preferable embodiment, in the total glycol component in a proportion of preferably 10 mol% or more, more preferably 20 mol% or more. If it is 10 mol% or less, the crystallinity becomes high and the adhesiveness of the coating layer may decrease.
- the upper limit of the glycol component in the total glycol components is preferably 80 mol% or less, and more preferably 70% by mass. If it is 80 mol% or more, the concentration of oligomers as a by-product increases, which may affect the transparency of the coating layer.
- Ethylene glycol is most preferable as the glycol component other than the above compounds. Diethylene glycol, propylene glycol, butanediol, hexanediol, 1,4-cyclohexanedimethanol and the like may be used in a small amount.
- terephthalic acid or isophthalic acid is most preferable.
- a polyester resin containing a dicarboxylic acid having a naphthalene skeleton may be used, but the quantitative ratio thereof is 5 mol% or less in the total carboxylic acid component in order to suppress the decrease in adhesion to the UV ink. It is preferable that it is not used.
- the lower limit of the content of the cross-linking agent is preferably 5% by mass, more preferably 7% by mass. %, More preferably 10% by mass, and most preferably 12% by mass. When it is 5% by mass or more, blocking resistance can be improved, which is preferable.
- the upper limit of the content of the cross-linking agent is preferably 50% by mass, more preferably 40% by mass, still more preferably 35% by mass, and most preferably 30% by mass. When it is 50% by mass or less, the transparency is high, which is preferable.
- the lower limit of the content of the urethane resin having a polycarbonate structure is preferably 5% by mass. When it is 5% by mass or more, the adhesion to the UV ink can be improved, which is preferable.
- the upper limit of the content of the urethane resin having a polycarbonate structure is preferably 50% by mass, more preferably 40% by mass, further preferably 30% by mass, and most preferably 20% by mass. When the content of the urethane resin is 50% by mass or less, the blocking resistance can be improved, which is preferable.
- the lower limit of the polyester resin content is preferably 10% by mass, more preferably 20% by mass, and further. It is preferably 30% by mass, particularly preferably 35% by mass, and most preferably 40% by mass.
- the upper limit of the content of the polyester resin is preferably 70% by mass, more preferably 67% by mass, further preferably 65% by mass, particularly preferably 62% by mass, and most preferably 60% by mass. is there.
- the content of the polyester resin is 70% by mass or less, the moisture and heat resistance of the hard coat film after the hard coat processing is good, which is preferable.
- additives such as surfactants, antioxidants, heat-resistant stabilizers, weather-resistant stabilizers, ultraviolet absorbers, organic lubricants, and pigments are used as long as the effects of the present invention are not impaired.
- Dyes, organic or inorganic particles, antistatic agents, nucleating agents and the like may be added.
- the particles contained in the coating layer include, for example, titanium oxide, barium sulfate, calcium carbonate, calcium sulfate, silica, alumina, talc, kaolin, clay and the like, or a mixture thereof, and other general ones.
- Inorganic particles such as calcium phosphate, mica, hectrite, zirconia, tungsten oxide, lithium fluoride, calcium fluoride, etc., and organic particles such as styrene-based, acrylic-based, melamine-based, benzoguanamine-based, silicone-based, etc. Examples include polymer particles.
- the average particle size of the particles in the coating layer is preferably 0.04 to 2.0 ⁇ m, more preferably 0.1 to 1.0 ⁇ m. Is.
- the average particle size of the inert particles is 0.04 ⁇ m or more, it becomes easy to form irregularities on the film surface, so that the handleability such as slipperiness and winding property of the film is improved, and the film is bonded. Good workability is preferable.
- the average particle size of the inert particles is 2.0 ⁇ m or less, the particles are less likely to fall off, which is preferable.
- the particle concentration in the coating layer is preferably 1 to 20% by mass in the solid component.
- the average particle size of the particles was measured by observing the particles in the cross section of the laminated polyester film with a scanning electron microscope, observing 30 particles, and using the average value as the average particle size.
- the shape of the particles is not particularly limited as long as it satisfies the object of the present invention, and spherical particles and irregular non-spherical particles can be used.
- the particle size of the amorphous particles can be calculated as the equivalent diameter of a circle.
- the equivalent circle diameter is a value obtained by dividing the observed particle area by ⁇ , calculating the square root, and doubling it.
- PET polyethylene terephthalate
- the PET resin After the PET resin is sufficiently vacuum dried, it is supplied to an extruder, and the molten PET resin at about 280 ° C. is melt-extruded into a sheet on a rotary cooling roll, cooled and solidified by an electrostatic application method, and unstretched PET. Get a sheet.
- the unstretched PET sheet may have a single-layer structure or a multi-layer structure by a coextrusion method.
- the obtained unstretched PET sheet is subjected to uniaxial stretching or biaxial stretching to crystallize it.
- uniaxial stretching a roll heated to 80 to 120 ° C. is stretched 2.5 to 5.0 times in the longitudinal direction to obtain a uniaxially stretched PET film, and then the end of the film is gripped with a clip. Then, it is guided to a hot air zone heated to 80 to 180 ° C. and stretched 2.5 to 5.0 times in the width direction.
- uniaxial stretching it is stretched 2.5 to 5.0 times in the tenter. After stretching, it is continuously guided to the heat treatment zone and heat-treated to complete the crystal orientation.
- the lower limit of the temperature of the heat treatment zone is preferably 170 ° C, more preferably 180 ° C.
- the upper limit of the temperature of the heat treatment zone is preferably 230 ° C., more preferably 200 ° C.
- the temperature of the heat treatment zone is 230 ° C. or lower, the physical properties of the film are not deteriorated, which is preferable.
- the coating layer can be provided after the film is manufactured or in the manufacturing process.
- any known method can be used as the method for applying this coating liquid to the PET film.
- reverse roll coating method gravure coating method, kiss coating method, die coater method, roll brushing method, spray coating method, air knife coating method, wire bar coating method, pipe doctor method, impregnation coating method, curtain coating method, etc.
- spray coating method air knife coating method, wire bar coating method, pipe doctor method, impregnation coating method, curtain coating method, etc.
- These methods can be applied alone or in combination.
- the thickness of the coating layer can be appropriately set in the range of 0.001 to 2.00 ⁇ m, but the range of 0.01 to 1.00 ⁇ m is preferable in order to achieve both workability and adhesiveness. It is more preferably 0.02 to 0.80 ⁇ m, still more preferably 0.05 to 0.50 ⁇ m.
- the thickness of the coating layer is 0.001 ⁇ m or more, the adhesiveness is good, which is preferable.
- the thickness of the coating layer is 2.00 ⁇ m or less, blocking is unlikely to occur, which is preferable.
- the upper limit of the haze of the laminated polyester film of the present invention is preferably 1.5%, more preferably 1.3%, further preferably 1.2%, and particularly preferably 1.0%.
- the haze is 1.5% or less, it is preferable in terms of transparency, and it can also be suitably used for an optical film that requires transparency.
- a cellophane adhesive tape (manufactured by Nichiban Co., Ltd., No. 405; 24 mm width) is attached to the cut surface in the shape of a grid and rubbed with an eraser to completely adhere.
- the cellophane adhesive tape is vertically peeled off from the ink layer surface of the ink laminated film, the number of squares peeled off from the ink layer surface of the ink laminated film is visually counted, and the ink layer and the film base material adhere to each other from the following formula. Seeking sex.
- the squares that are partially peeled off are also counted as the peeled squares.
- Ink adhesion is 100 (%) as acceptable.
- Ink adhesion (%) 100- (number of squares peeled off)
- a coating liquid for forming a hard coat layer having the following composition is applied onto the coating layer of the laminated polyester film using a # 5 wire bar, dried at 80 ° C. for 1 minute, and a solvent is applied. Removed. Next, the film coated with the hard coat layer was irradiated with ultraviolet rays of 300 mJ / cm 2 using a high-pressure mercury lamp to obtain a hard coat film.
- Methyl ethyl ketone 36.00% by mass Toluene 18.00% by mass Cyclohexanone 6.00% by mass Urethane acrylate 40.00% by mass (BS577, manufactured by Arakawa Chemical Co., Ltd.)
- Surfactant 0.10% by mass Photopolymerization initiator 2.00% by mass (Irgacure 184 manufactured by Chivas Specialty Chemicals)
- a cutter guide with a gap spacing of 2 mm, 100 grid-like cuts that penetrate the hard coat layer and reach the film substrate are made on the hard coat layer surface.
- a cellophane adhesive tape manufactured by Nichiban Co., Ltd., No.
- an ethylene glycol solution of antimony trioxide was added as a polymerization catalyst so as to be 0.04 mol% as an antimony atom with respect to the acid component in the polyester, and the pressure was continued under a nitrogen atmosphere.
- the pressure of the reaction system was gradually lowered to 13.3 Pa (0.1 Torr) while raising the temperature to 280 ° C. over 60 minutes, and the polycondensation reaction was further carried out at 280 ° C. and 13.3 Pa.
- the resin under slight pressure is discharged into cold water in a strand shape to quench it, and then it is held in cold water for 20 seconds and then cut to obtain cylinder-shaped pellets with a length of about 3 mm and a diameter of about 2 mm. It was.
- the polyester pellets obtained by melt polymerization were dried under reduced pressure (13.3 Pa or less, 80 ° C., 12 hours), and then subsequently crystallized (13.3 Pa or less, 130 ° C., 3 hours, further 13.3 Pa or less, 160 ° C. for 3 hours).
- a water-dispersible urethane resin solution (A-2) having a solid content of 35% by mass was prepared by removing acetone and a part of water under reduced pressure.
- a water-dispersible urethane resin solution (A-3) having a solid content of 35% by mass was prepared by removing acetone and a part of water under reduced pressure.
- reaction solution was cooled to 40 ° C., and then 8.77 parts by mass of triethylamine was added to obtain a polyurethane prepolymer solution.
- 450 g of water was added to a reaction vessel equipped with a homodisper capable of high-speed stirring, the temperature was adjusted to 25 ° C., and the polyurethane prepolymer solution was added and dispersed in water while stirring and mixing at 2000 min- 1 . ..
- a water-dispersible urethane resin solution (A-5) having a solid content of 34% by mass was prepared by removing acetone and a part of water under reduced pressure.
- reaction solution was cooled to 40 ° C., and then 8.77 parts by mass of triethylamine was added to obtain a polyurethane prepolymer solution.
- 450 g of water was added to a reaction vessel equipped with a homodisper capable of high-speed stirring, the temperature was adjusted to 25 ° C., and the polyurethane prepolymer solution was added and dispersed in water while stirring and mixing at 2000 min- 1 . ..
- a water-dispersible urethane resin solution (A-6) having a solid content of 34% by mass was prepared by removing acetone and a part of water under reduced pressure.
- Polymerization of urethane resin A-8 having a polycarbonate structure 400 parts by mass of a polycarbonate polyol consisting of 1,6-hexanediol and diethyl carbonate having a number average molecular weight of 2000 in a four-necked flask equipped with a stirrer, a Dimroth condenser, a nitrogen introduction tube, a silica gel drying tube, and a thermometer.
- Neopentyl glycol 10.4 parts by mass, isophorone diisocyanate 58.4 parts by mass, dimethylolbutanoic acid 7 4.3 parts by mass and 320 parts by mass of acetone as a solvent were added, and the mixture was stirred at 75 ° C.
- reaction solution reached a predetermined amine equivalent.
- isophorone diamine was added to obtain a polyurethane prepolymer solution.
- 1200 g of water was added to a reaction vessel equipped with a homodisper capable of high-speed stirring, the temperature was adjusted to 25 ° C., and the polyurethane prepolymer solution was added and dispersed in water while stirring and mixing at 2000 min- 1 . ..
- a water-dispersible urethane resin solution (A-8) having a solid content of 34% by mass was prepared by removing acetone and a part of water under reduced pressure.
- Block Isocyanate Crosslinker B-1 Polymerization of Block Isocyanate Crosslinker B-1) 66.04 parts by mass of polyisocyanate compound (Duranate TPA, manufactured by Asahi Kasei Chemicals), N-methylpyrrolidone 17.50, which has an isocyanurate structure made from hexamethylene diisocyanate in a flask equipped with a stirrer, a thermometer, and a reflux condenser. 23.27 parts by mass of 3,5-dimethylpyrazole (dissociation temperature: 120 ° C., boiling point: 218 ° C.) was added dropwise to parts by mass, and the mixture was kept at 70 ° C. for 1 hour under a nitrogen atmosphere.
- polyisocyanate compound Duranate TPA, manufactured by Asahi Kasei Chemicals
- N-methylpyrrolidone 17.50 which has an isocyanurate structure made from hexamethylene diisocyanate in a flask equipped with
- a blocked polyisocyanate aqueous dispersion (B-1) was obtained.
- the blocked isocyanate cross-linking agent has 4 functional groups and an NCO equivalent of 280.
- Block Isocyanate Crosslinker B-2 100 parts by mass of a polyisocyanate compound (Duranate TPA manufactured by Asahi Kasei Chemicals Co., Ltd.) using hexamethylene diisocyanate as a raw material in a flask equipped with a stirrer, a thermometer, and a reflux cooling tube, 55 parts by mass of propylene glycol monomethyl ether acetate, polyethylene. 30 parts by mass of glycol monomethyl ether (average molecular weight 750) was charged and kept at 70 ° C. for 4 hours under a nitrogen atmosphere.
- a polyisocyanate compound Duranate TPA manufactured by Asahi Kasei Chemicals Co., Ltd.
- the temperature of the reaction solution was lowered to 50 ° C., and 49 parts by mass of methyl ethyl ketooxime was added dropwise.
- the infrared spectrum of the reaction solution was measured to confirm that the absorption of isocyanate groups had disappeared, and 210 parts by mass of water was added to obtain an oxime-blocked isocyanate cross-linking agent (B-2) having a solid content of 40% by mass.
- the blocked isocyanate cross-linking agent has 3 functional groups and 170 NCO equivalents.
- Polymer resin polymerization C-1 194.2 parts by mass of dimethyl terephthalate, 184.5 parts by mass of dimethyl isophthalate, 14.8 parts by mass of dimethyl-5-sodium sulfoisophthalate in a stainless steel autoclave equipped with a stirrer, a thermometer, and a partial reflux condenser. , 233.5 parts by mass of diethylene glycol, 136.6 parts by mass of ethylene glycol, and 0.2 parts by mass of tetra-n-butyl titanate were charged, and a transesterification reaction was carried out at a temperature of 160 ° C. to 220 ° C. for 4 hours.
- the obtained copolymerized polyester resin (C-1) was pale yellow and transparent.
- the reduced viscosity of the copolyester resin (C-1) was measured and found to be 0.70 dl / g.
- Example 1 Adjustment of coating solution The following coating agent is mixed with a mixed solvent of water and isopropanol to prepare a urethane resin solution (A-1) / cross-linking agent (B-1) / polyester aqueous dispersion (Cw-1). A coating liquid having a solid content mass ratio of 25/26/49 was prepared.
- Urethane resin solution (A-1) 3.55 parts by mass Crosslinker (B-1) 3.16 parts by mass Polyester aqueous dispersion (Cw-1) 16.05 parts by mass Particles 0.47 parts by mass (average particle size 200 nm) Dry method silica, solid content concentration 3.5% by mass) 1.85 parts by mass of particles (silica sol with average particle size of 40 to 50 nm, solid content concentration of 30% by mass) Surfactant 0.30 parts by mass (silicone type, solid content concentration 10% by mass)
- polyester pellet P-1 was dried at 135 ° C. for 6 hours under a reduced pressure of 133 Pa. Then, it was supplied to an extruder, melt-extruded into a sheet at about 280 ° C., and rapidly cooled and adhered and solidified on a rotary cooling metal roll maintained at a surface temperature of 20 ° C. to obtain an unstretched PET sheet.
- This unstretched PET sheet was heated to 100 ° C. with a heated roll group and an infrared heater, and then stretched 3.5 times in the longitudinal direction with a roll group having a peripheral speed difference to obtain a uniaxially stretched PET film.
- the coating liquid left at room temperature for 5 hours or more was applied to one side of the PET film by a roll coating method, and then dried at 80 ° C. for 20 seconds.
- the final (after biaxial stretching) coating amount after drying was adjusted to 0.15 g / m 2 (coating layer thickness after drying: 150 nm).
- the film was stretched 4.0 times in the width direction at 120 ° C., and with the length of the film fixed in the width direction, heated at 230 ° C. for 5 seconds, and further at 100 ° C. for 10 seconds at 3%. Relaxation treatment in the width direction was performed to obtain a 100 ⁇ m laminated polyester film.
- the evaluation results are shown in Table 1.
- Example 2 A laminated polyester film was obtained in the same manner as in Example 1 except that the urethane resin was changed to (A-2).
- Example 3 A laminated polyester film was obtained in the same manner as in Example 1 except that the urethane resin was changed to (A-3).
- Example 4 A laminated polyester film was obtained in the same manner as in Example 1 except that the cross-linking agent was changed to (B-2).
- Example 5 A laminated polyester film was obtained in the same manner as in Example 1 except that the urethane resin was changed to (A-2) and the cross-linking agent was changed to (B-2).
- Example 6 A laminated polyester film was obtained in the same manner as in Example 1 except that the urethane resin was changed to (A-3) and the cross-linking agent was changed to (B-2).
- Example 7 The following coating material is mixed with a mixed solvent of water and isopropanol, and a solid of urethane resin solution (A-2) / total cross-linking agent (B-1, B-2) / polyester aqueous dispersion (Cw-1).
- a laminated polyester film was obtained in the same manner as in Example 1 except that the fractional mass ratio was changed to 25/25/50.
- Urethane resin solution (A-1) 3.55 parts by mass Crosslinker (B-1) 2.10 parts by mass Crosslinker (B-2) 1.00 parts by mass
- Polyester aqueous dispersion (Cw-1) 16.20 parts by mass Part particles 0.47 parts by mass (dry silica with average particle size of 200 nm, solid content concentration 3.5% by mass) 1.85 parts by mass of particles (silica sol with average particle size of 40 to 50 nm, solid content concentration of 30% by mass)
- Surfactant 0.30 parts by mass (silicone type, solid content concentration 10% by mass)
- Example 8 A laminated polyester film was obtained in the same manner as in Example 7 except that the urethane resin was changed to (A-2).
- Example 9 The following coating material is mixed with a mixed solvent of water and isopropanol, and the solid content mass ratio of the urethane resin solution (A-1) / cross-linking agent (B-1) / polyester aqueous dispersion (Cw-1) is 22 /.
- a laminated polyester film was obtained in the same manner as in Example 1 except that the value was changed to 10/68.
- Urethane resin solution (A-1) 2.71 parts by mass Crosslinker (B-1) 1.00 parts by mass Polyester aqueous dispersion (Cw-1) 19.05 parts by mass Particles 0.47 parts by mass (average particle size 200 nm) Dry method silica, solid content concentration 3.5% by mass) 1.85 parts by mass of particles (silica sol with average particle size of 40 to 50 nm, solid content concentration of 30% by mass) Surfactant 0.30 parts by mass (silicone type, solid content concentration 10% by mass)
- Example 10 A laminated polyester film was obtained in the same manner as in Example 9 except that the urethane resin was changed to (A-2).
- Example 11 A laminated polyester film was obtained in the same manner as in Example 9 except that the urethane resin was changed to (A-3).
- Example 12 A laminated polyester film was obtained in the same manner as in Example 9 except that the cross-linking agent was changed to (B-3).
- Example 13 A laminated polyester film was obtained in the same manner as in Example 9 except that the urethane resin was changed to (A-4).
- Example 14 A laminated polyester film was obtained in the same manner as in Example 9 except that the urethane resin was changed to (A-5).
- Example 15 A laminated polyester film was obtained in the same manner as in Example 1 except that the polyester pellet was changed to (P-2) as the film raw material polymer.
- Example 15 using the polyester pellet P-2 had a smaller haze value and improved the transparency of the film as compared with Examples 1 to 14 using the polyester pellet P-1.
- the blocking resistance was not satisfactory because the coating layer formed on at least one surface of the polyester film base material did not contain the urethane resin having a branched structure.
- Example 7 The following coating material was mixed with a mixed solvent of water and isopropanol, except that the solid content ratio of the urethane resin solution (A-1) / cross-linking agent (B-1) was changed to 70/30.
- a laminated polyester film was obtained in the same manner as in Example 1.
- Urethane resin solution (A-1) 9.03 parts by mass Crosslinker (B-1) 3.38 parts by mass Particles 0.52 parts by mass (dry silica with average particle size of 200 nm, solid content concentration 3.5%) 1.80 parts by mass of particles (silica sol with an average particle size of 40 nm, solid content concentration of 30% by mass)
- Surfactant 0.30 parts by mass (silicone type, solid content concentration 10% by mass)
- Table 1 summarizes the evaluation results of each example and comparative example.
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Health & Medical Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- Wood Science & Technology (AREA)
- Manufacturing & Machinery (AREA)
- Inorganic Chemistry (AREA)
- Laminated Bodies (AREA)
- Coating Of Shaped Articles Made Of Macromolecular Substances (AREA)
- Paints Or Removers (AREA)
- Application Of Or Painting With Fluid Materials (AREA)
- Wire Bonding (AREA)
Abstract
Description
一方、アクリル共重合体とオキサゾリン基を有する重合体を塗布層に用いることにより、ラベル加工に易接着性を与える技術が知られていた。(特許文献4)。しかし、かかる従来技術はハードコート層への密着性が不十分という問題点があった。
架橋剤、ポリエステル樹脂及び、ポリカーボネート構造と分岐構造を有するウレタン樹脂を含有する組成物が硬化されてなる場合に本発明の課題を解決できることを見出し、本発明の完成に至った。
1. ポリエステルフィルム基材の少なくとも一方の面に塗布層を有する積層ポリエステルフィルムであって、前記塗布層が、ポリカーボネート構造を有し且つ分岐構造を有するウレタン樹脂、架橋剤、及びポリエステル樹脂を含有する組成物が硬化されて形成されている積層ポリエステルフィルム。
2. 前記架橋剤が3官能以上のブロックイソシアネート基を有する化合物である上記第1に記載の積層ポリエステルフィルム。
3. 前記ポリカーボネート構造を有し且つ分岐構造を有するウレタン樹脂が、ポリカーボネートポリオール成分とポリイソシアネート成分が合成、重合されてなり、前記合成、重合する際のポリカーボネートポリオール成分とポリイソシアネート成分の質量比(ポリカーボネートポリオール成分の質量/ポリイソシアネート成分の質量)がは0.5~3である上記第1又は第2に記載の積層ポリエステルフィルム。
本発明においてポリエステルフィルム基材を構成するポリエステル樹脂は、ポリエチレンテレフタレート、ポリブチレンテレフタレート、ポリエチレン-2,6-ナフタレート、ポリトリメチレンテレフタレートなどのほか、前記のようなポリエステル樹脂のジオール成分又はジカルボン酸成分の一部を以下のような共重合成分に置き換えた共重合ポリエステル樹脂であり、例えば、共重合成分として、ジエチレングリコール、ネオペンチルグリコール、1,4-シクロヘキサンジメタノール、ポリアルキレングリコールなどのジオール成分や、アジピン酸、セバチン酸、フタル酸、イソフタル酸、5-ナトリウムイソフタル酸、2,6-ナフタレンジカルボン酸などのジカルボン酸成分などを挙げることができる。
本発明の積層ポリエステルフィルムは、ハードコート層への密着性、UVインキへの密着性、ブロッキング耐性を向上させるために、その少なくとも片面に、ポリカーボネート構造を有し且つ分岐構造を有するウレタン樹脂、架橋剤、及びポリエステル樹脂を含有する組成物が硬化されて形成されている塗布層が積層されていることが好ましい。前記の塗布層は、塗布層中の塗布層は、ポリカーボネート構造を有し且つ分岐構造を有するウレタン樹脂やポリエステル樹脂が架橋剤によって架橋された構造となり硬化されて形成されていると考えられるが、その架橋された化学構造そのものを表現することが困難であるため、ポリカーボネート構造を有し且つ分岐構造を有するウレタン樹脂、架橋剤、及びポリエステル樹脂を含有する組成物が硬化されて形成されていると表現している。塗布層は、ポリエステルフィルムの両面に設けてもよく、ポリエステルフィルムの片面のみに設け、他方の面には異種の樹脂被覆層を設けてもよい。
(ポリカーボネート構造を有し且つ分岐構造を有するウレタン樹脂)
本発明におけるポリカーボネート構造を有するウレタン樹脂は、少なくともポリカーボネートポリオール成分とポリイソシアネート成分に由来するウレタン結合部分と分岐構造を有することが好ましく、さらに必要に応じて鎖延長剤を含むものである。ここでいう分岐構造とは、分子鎖を構成する前記のようないずれかの原料成分の末端官能基数が3個以上存在することによって、合成、重合された後に枝分かれ上の分子鎖構造を形成することによって好適に導入されるものである。
芳香族ジイソシアネートは、例えば1,3-フェニレンジイソシアネート、4,4’-ジフェニルジイソシアネート、1,4-フェニレンジイソシアネート、4,4’-ジフェニルメタンジイソシアネート、2,4-トリレンジイソシアネート、2,6-トリレンジイソシアネート、4,4’-トルイジンジイソシアネート、ジアニシジンジイソシアネート、および4,4’-ジフェニルエーテルジイソシアネート等が挙げられる。
脂肪族ジイソシアネートは、例えばトリメチレンジイソシアネート、テトラメチレンジイソシアネート、ヘキサメチレンジイソシアネート、ペンタメチレンジイソシアネート、1,2-プロピレンジイソシアネート、2,3-ブチレンジイソシアネート、1,3-ブチレンジイソシアネート、ドデカメチレンジイソシアネート、および2,4,4-トリメチルヘキサメチレンジイソシアネート等が挙げられる。
芳香脂肪族ジイソシアネートは、例えばキシリレンジイソシアネート、ω,ω’-ジイソシアネート-1,4-ジエチルベンゼン、1,4-テトラメチルキシリレンジイソシアネート、および1,3-テトラメチルキシリレンジイソシアネート等が挙げられる。
脂環族ジイソシアネートは、例えば3-イソシアネートメチル-3,5,5-トリメチルシクロヘキシルイソシアネート(別名:IPDI、イソホロンジイソシアネート)、1,3-シクロペンタンジイソシアネート、1,3-シクロヘキサンジイソシアネート、1,4-シクロヘキサンジイソシアネート、メチル-2,4-シクロヘキサンジイソシアネート、メチル-2,6-シクロヘキサンジイソシアネート、4,4’-メチレンビス(シクロヘキシルイソシアネート)、および1,4-ビス(イソシアネートメチル)シクロヘキサン等が挙げられる。
ビュレット体とは、イソシアネートモノマーが自己縮合して形成したビュレット結合を有する自己縮合物であり、例えば、ヘキサメチレンジイソシアネートのビュレット体などが挙げられる。
ヌレート体とは、イソシアネートモノマーの3量体であり、例えば、ヘキサメチレンジイソシアネートの3量体、イソホロンジイソシアネートの3量体、トリレンジイソシアネートの3量体などが挙げられる。
アダクト体とは、上記イソシアネートモノマーと3官能以上の低分子活性水素含有化合物とを反応させてなる、3官能以上のイソシアネート化合物をいい、例えば、トリメチロールプロパンとヘキサメチレンジイソシアネートとを反応させた化合物、トリメチロールプロパンとトリレンジイソシアネートとを反応させた化合物、トリメチロールプロパンとキシリレンジイソシアネートとを反応させた化合物、トリメチロールプロパンとイソホロンジイソシアネートとを反応させた化合物、などが挙げられる。
本発明において、塗布層形成用組成物が含有する架橋剤としてはブロックイソシアネートが好ましく、3官能以上のブロックイソシアネートがさらに好ましく、4官能以上のブロックイソシアネートが特に好ましい。これらによりブロッキング耐性、ハードコート層との密着性が向上する。
ビュレット体とは、イソシアネートモノマーが自己縮合して形成したビュレット結合を有する自己縮合物であり、例えば、ヘキサメチレンジイソシアネートのビュレット体などが挙げられる。
ヌレート体とは、イソシアネートモノマーの3量体であり、例えば、ヘキサメチレンジイソシアネートの3量体、イソホロンジイソシアネートの3量体、トリレンジイソシアネートの3量体などが挙げられる。
アダクト体とは、イソシアネートモノマーと3官能以上の低分子活性水素含有化合物とを反応させてなる、3官能以上のイソシアネート化合物をいい、例えば、トリメチロールプロパンとヘキサメチレンジイソシアネートとを反応させた化合物、トリメチロールプロパンとトリレンジイソシアネートとを反応させた化合物、トリメチロールプロパンとキシリレンジイソシアネートとを反応させた化合物、トリメチロールプロパンとイソホロンジイソシアネートとを反応させた化合物、などが挙げられる。
本発明における塗布層を形成するのに用いるポリエステル樹脂は、直鎖上のものであってもよいが、より好ましくは、ジカルボン酸と、分岐構造を有するジオールとを構成成分とするポリエステル樹脂であることが好ましい。ここで言うジカルボン酸は、その主成分がテレフタル酸、イソフタル酸又は2,6-ナフタレンジカルボン酸である他アジピン酸、セバシン酸等の脂肪族ジカルボン酸、テレフタル酸、イソフタル酸、フタル酸、2,6-ナフタレンジカルボン酸等の芳香族ジカルボン酸が、挙げられる。また、分岐したグリコールとは枝分かれしたアルキル基を有するジオールであって、例えば、2,2-ジメチル-1,3-プロパンジオール、2-メチル-2-エチル-1,3-プロパンジオール、2-メチル-2-ブチル-1,3-プロパンジオール、2-メチル-2-プロピル-1,3-プロパンジオール、2-メチル-2-イソプロピル-1,3-プロパンジオール、2-メチル-2-n-ヘキシル-1,3-プロパンジオール、2,2-ジエチル-1,3-プロパンジオール、2-エチル-2-n-ブチル-1,3-プロパンジオール、2-エチル-2-n-ヘキシル-1,3-プロパンジオール、2,2-ジ-n-ブチル-1,3-プロパンジオール、2-n-ブチル-2-プロピル-1,3-プロパンジオール、及び2,2-ジ-n-ヘキシル-1,3-プロパンジオールなどが挙げられる。
本発明における塗布層中には、本発明の効果を阻害しない範囲において公知の添加剤、例えば界面活性剤、酸化防止剤、耐熱安定剤、耐候安定剤、紫外線吸収剤、有機の易滑剤、顔料、染料、有機または無機の粒子、帯電防止剤、核剤等を添加しても良い。
本発明の積層ポリエステルフィルムの製造方法について、ポリエチレンテレフタレート(以下、PETと略記する場合がある)フィルム基材を用いた例を挙げて説明するが、当然これに限定されるものではない。
得られた積層ポリエステルフィルムのヘイズはJIS K 7136:2000に準拠し、濁度計(日本電色製、NDH5000)を用いて測定した。
2枚のフィルム試料を塗布層面同士が対向するように重ね合わせ、98kPaの荷重を掛け、これを50℃の雰囲気下で24時間密着させ、放置した。その後、フィルムを剥離し、その剥離状態を下記の基準で判定した。
○:塗布層の転移がなく軽く剥離できる。
△:塗布層は維持されているが、部分的に塗布層の表層が相手面に転移している。
×:2枚のフィルムが固着し剥離できないもの、あるいは剥離できてもフィルム基材が劈開している。
積層ポリエステルフィルムの塗布層上に、UVインキ[T&K TOKA(株)製、商品名「BEST CURE UV161藍S」]を用いて、印刷機[(株)明製作所製、商品名「RIテスター」]にて印刷を施し、次いで、インキ層を塗布したフィルムに高圧水銀灯を用いて40mJ/cm2の紫外線を照射し、紫外線硬化型インキを硬化させた。次いで、隙間間隔2mmのカッターガイドを用いて、インキ層を貫通してフィルム基材に達する100個のマス目状の切り傷をインキ層面につける。次いで、セロハン粘着テープ(ニチバン製、405番;24mm幅)をマス目状の切り傷面に貼り付け、消しゴムでこすって完全に付着させる。その後、垂直にセロハン粘着テープをインキ積層フィルムのインキ層面から引き剥がして、インキ積層フィルムのインキ層面から剥がれたマス目の数を目視で数え、下記の式からインキ層とフィルム基材との密着性を求める。なお、マス目の中で部分的に剥離しているものも剥がれたマス目として数える。インキ密着性は100(%)を合格とする。
インキ密着性(%)=100-(剥がれたマス目の数)
積層ポリエステルフィルムの塗布層上に、下記組成のハードコート層形成用塗布液を#5ワイヤーバーを用いて塗布し、80℃で1分間乾燥し、溶剤を除去した。次いで、ハードコート層を塗布したフィルムに高圧水銀灯を用いて300mJ/cm2の紫外線を照射し、ハードコートフィルムを得た。
(ハードコート層形成用塗布液)
メチルエチルケトン 36.00質量%
トルエン 18.00質量%
シクロヘキサノン 6.00質量%
ウレタンアクリレート 40.00質量%
(BS577、荒川化学社製)
界面活性剤 0.10質量%
光重合開始剤 2.00質量%
(チバスペシャリティーケミカルズ社製イルガキュア184)
次いで、隙間間隔2mmのカッターガイドを用いて、ハードコート層を貫通してフィルム基材に達する100個のマス目状の切り傷をハードコート層面につける。次いで、セロハン粘着テープ(ニチバン製、405番;24mm幅)をマス目状の切り傷面に貼り付け、消しゴムでこすって完全に付着させる。その後、垂直にセロハン粘着テープをハードコート積層フィルムのハードコート層面から引き剥がして、ハードコート積層フィルムのハードコート層面から剥がれたマス目の数を目視で数え、下記の式からハードコート層とフィルム基材との密着性を求める。なお、マス目の中で部分的に剥離しているものも剥がれたマス目として数える。ハードコート密着性は95(%)を合格とする。
ハードコート密着性(%)=100-(剥がれたマス目の数)
攪拌機付き2リッターステンレス製オートクレーブに高純度テレフタル酸とその2倍モル量のエチレングリコールを仕込み、トリエチルアミンを酸成分に対して0.3モル%加え、0.25MPaの加圧下250℃にて水を系外に留去しながらエステル化反応を行いエステル化率が約95%のビス(2-ヒドロキシエチル)テレフタレートおよびオリゴマーの混合物(以下BHET混合物という)を得た。次いで、このBHET混合物を撹拌しながら、重合触媒として三酸化アンチモンのエチレングリコール溶液をポリエステル中の酸成分に対してアンチモン原子として0.04モル%となるように加え、引き続き窒素雰囲気下、常圧にて250℃で10分間攪拌した。その後、60分間かけて280℃まで昇温しつつ反応系の圧力を徐々に下げて13.3Pa(0.1Torr)として、さらに280℃、13.3Paで重縮合反応を実施した。放圧に続き、微加圧下のレジンを冷水にストランド状に吐出して急冷し、その後20秒間冷水中で保持した後、カティングして長さ約3mm、直径約2mmのシリンダー形状のペレットを得た。
撹拌下80℃で2時間加熱処理して調製され、かつ、27Al-NMRスペクトルのピーク位置が低磁場側へケミカルシフトしたことが確認された塩基性酢酸アルミニウム(ヒドロキシアルミニウムジアセテート;Aldrich社製)の20g/l水溶液に対して、等量(容量比)のエチレングリコールをともにフラスコに仕込み、室温で6時間攪拌した後、減圧(133Pa)下、90~110℃で数時間攪拌しながら系から水を留去し、20g/lのアルミニウム化合物のエチレングリコール溶液を調製した。
リン化合物として[化39]で表されるIrganox1222(チバ・スペシャルティーケミカルズ社製)をエチレングリコールとともにフラスコに仕込み、窒素置換下攪拌しながら液温160℃で25時間加熱し、50g/lのリン化合物のエチレングリコール溶液を調製した。31P-NMRスペクトルの測定により約60モル%が水酸基に変換していることを確認した。
(アルミニウム化合物のエチレングリコール溶液/リン化合物のエチレングリコール溶液の混合物の調製)
上記アルミニウム化合物の調製および上記リン化合物の調整で得られたそれぞれのエチレングリコール溶液をフラスコに仕込み、アルミニウム原子とリン原子がモル比で1:2となるように室温で混合し、1日間攪拌して触媒溶液を調製した。該混合溶液の27Al-NMRスペクトおよび31P-NMRスペクトルの測定結果は、いずれの場合もケミカルシフトが確認された。
重縮合触媒として、上記“アルミニウム化合物のエチレングリコール溶液/リン化合物のエチレングリコール溶液の混合物を用い、ポリエステル中の酸成分に対してアルミニウム原子およびリン原子としてそれぞれ0.014モル%および0.028モル%になるように加えたこと以外はポリエステルペレットP-1の製造と同様の操作を行った。固有粘度(溶媒:フェノール/テトラクロロエタン=60/40)が0.65dl/gのポリエステルペレットP-2を得た。
ポリカーボネート構造を有するウレタン樹脂をプロトン核磁気共鳴スペクトル(1H-NMR)により測定すると、4.1ppm付近にOCOO結合に隣接するメチレン基由来のピークが観測される。また、当該ピークより0.2ppm程高磁場に、ポリイソシアネートとポリカーボネートポリオールとの反応で生じたウレタン結合に隣接するメチレン基由来のピークが観測される。これら2種類のピークの積分値とポリカーボネートポリオールを構成するモノマーの分子量からポリカーボネートポリオールの数平均分子量を算出した。
撹拌機、ジムロート冷却器、窒素導入管、シリカゲル乾燥管、及び温度計を備えた4つ口フラスコに、水添m-キシリレンジイソシアネート27.5質量部、ジメチロールプロパン酸6.5質量部、数平均分子量1800のポリヘキサメチレンカーボネートジオール61質量部、ネオペンチルグリコール5質量部、及び溶剤としてアセトン84.00質量部を投入し、窒素雰囲気下、75℃において3時間撹拌し、反応液が所定のアミン当量に達したことを確認した。次に、トリメチロールプロパン2.2質量部を投入し、窒素雰囲気下、75℃において1時間撹拌し、反応液が所定のアミン当量に達したことを確認した。この反応液を40℃にまで降温した後、トリエチルアミン5.17質量部を添加し、ポリウレタンプレポリマー溶液を得た。次に、次に、高速攪拌可能なホモディスパーを備え
た反応容器に、水450gを添加して、25℃に調整して、2000min-1で攪拌混合しながら、ポリウレタンプレポリマー溶液を添加して水分散した。その後、減圧下で、アセトンおよび水の一部を除去することにより、固形分34質量%の水分散性ウレタン樹脂溶液(A-1)を調製した。
撹拌機、ジムロート冷却器、窒素導入管、シリカゲル乾燥管、及び温度計を備えた4つ口フラスコに、4,4-ジシクロヘキシルメタンジイソシアネート25質量部、ジメチロールプロパン酸5質量部、数平均分子量2600のポリヘキサメチレンカーボネートジオール52質量部、ネオペンチルグリコール6質量部、及び溶剤としてアセトン84.00質量部を投入し、窒素雰囲気下、75℃において3時間撹拌し、反応液が所定のアミン当量に達したことを確認した。次に、ヘキサメチレンジイソシアネートを原料としたイソシアヌレート構造を有するポリイソシアネート化合物(旭化成ケミカルズ製、デュラネートTPA、3官能)10質量部を投入し、窒素雰囲気下、75℃において1時間撹拌し、反応液が所定のアミン当量に達したことを確認した。その後、反応液温度を50℃に下げ、メチルエチルケトオキシム4質量部を滴下した。この反応液を40℃にまで降温した後、トリエチルアミン5.17質量部を添加し、ポリウレタンプレポリマー溶液を得た。次に、高速攪拌可能なホモディスパーを備えた反応容器に、水450gを添加して、25℃に調整して、2000min-1で攪拌混合しながら、ポリウレタンプレポリマー溶液を添加して水分散した。その後、減圧下で、アセトンおよび水の一部を除去することにより、固形分35質量%の水分散性ウレタン樹脂溶液(A-2)を調製した。
撹拌機、ジムロート冷却器、窒素導入管、シリカゲル乾燥管、及び温度計を備えた4つ口フラスコに、4,4-ジシクロヘキシルメタンジイソシアネート22質量部、数平均分子量700のポリエチレングリコールモノメチルエーテル20質量部、数平均分子量2100のポリヘキサメチレンカーボネートジオール53質量部、ネオペンチルグリコール5質量部、及び溶剤としてアセトン84.00質量部を投入し、窒素雰囲気下、75℃において3時間撹拌し、反応液が所定のアミン当量に達したことを確認した。次に、ヘキサメチレンジイソシアネートを原料としたイソシアヌレート構造を有するポリイソシアネート化合物(旭化成ケミカルズ製、デュラネートTPA、3官能)9質量部を投入し、窒素雰囲気下、75℃において1時間撹拌し、反応液が所定のアミン当量に達したことを確認した。その後、反応液温度を50℃に下げ、メチルエチルケトオキシム4質量部を滴下した。この反応液を40℃にまで降温した後、ポリウレタンプレポリマー溶液を得た。次に、高速攪拌可能なホモディスパーを備えた反応容器に、水450gを添加して、25℃に調整して、2000min-1で攪拌混合しながら、ポリウレタンプレポリマー溶液を添加して水分散した。その後、減圧下で、アセトンおよび水の一部を除去することにより、固形分35質量%の水分散性ウレタン樹脂溶液(A-3)を調製した。
撹拌機、ジムロート冷却器、窒素導入管、シリカゲル乾燥管、及び温度計を備えた4つ口フラスコに、4,4-ジシクロヘキシルメタンジイソシアネート22質量部、ジメチロールブタン酸3質量部、数平均分子量2000のポリヘキサメチレンカーボネートジオール74質量部、ネオペンチルグリコール1質量部、及び溶剤としてアセトン84.00質量部を投入し、窒素雰囲気下、75℃において3時間撹拌し、反応液が所定のアミン当量に達したことを確認した。次に、トリメチロールプロパン2質量部を投入し、窒素雰囲気下、75℃において1時間撹拌し、反応液が所定のアミン当量に達したことを確認した。次に、この反応液を40℃にまで降温した後、トリエチルアミン8.77質量部を添加し、ポリウレタンプレポリマー溶液を得た。次に、高速攪拌可能なホモディスパーを備えた反応容器に、水450gを添加して、25℃に調整して、2000min-1で攪拌混合
しながら、ポリウレタンプレポリマー溶液を添加して水分散した。その後、減圧下で、アセトンおよび水の一部を除去することにより、固形分34質量%の水分散性ウレタン樹脂溶液(A-4)を調製した。
撹拌機、ジムロート冷却器、窒素導入管、シリカゲル乾燥管、及び温度計を備えた4つ口フラスコに、4,4-ジシクロヘキシルメタンジイソシアネート47質量部、数平均分子量700のポリエチレングリコールモノメチルエーテル21質量部、数平均分子量1200のポリヘキサメチレンカーボネートジオール20質量部、ネオペンチルグリコール12質量部及び溶剤としてアセトン84.00質量部を投入し、窒素雰囲気下、75℃において3時間撹拌し、反応液が所定のアミン当量に達したことを確認した。次に、トリメチロールプロパン2.5質量部を投入し、窒素雰囲気下、75℃において1時間撹拌し、反応液が所定のアミン当量に達したことを確認した。次に、この反応液を40℃にまで降温した後、トリエチルアミン8.77質量部を添加し、ポリウレタンプレポリマー溶液を得た。次に、高速攪拌可能なホモディスパーを備えた反応容器に、水450gを添加して、25℃に調整して、2000min-1で攪拌混合しながら、ポリウレタンプレポリマー溶液を添加して水分散した。その後、減圧下で、アセトンおよび水の一部を除去することにより、固形分34質量%の水分散性ウレタン樹脂溶液(A-5)を調製した。
撹拌機、ジムロート冷却器、窒素導入管、シリカゲル乾燥管、及び温度計を備えた4つ口フラスコに、4.4-ジシクロヘキシルメタンジイソシアネート23.5質量部、ジメチロールブタン酸4.5質量部、数平均分子量2000のポリヘキサメチレンカーボネートジオール70質量部、ネオペンチルグリコール2質量部、及び溶剤としてアセトン84.00質量部を投入し、窒素雰囲気下、75℃において3時間撹拌し、反応液が所定のアミン当量に達したことを確認した。次に、この反応液を40℃にまで降温した後、トリエチルアミン8.77質量部を添加し、ポリウレタンプレポリマー溶液を得た。次に、高速攪拌可能なホモディスパーを備えた反応容器に、水450gを添加して、25℃に調整して、2000min-1で攪拌混合しながら、ポリウレタンプレポリマー溶液を添加して水分散した。その後、減圧下で、アセトンおよび水の一部を除去することにより、固形分34質量%の水分散性ウレタン樹脂溶液(A-6)を調製した。
撹拌機、ジムロート冷却器、窒素導入管、シリカゲル乾燥管、及び温度計を備えた4つ口フラスコに、水添m-キシリレンジイソシアネート27.5質量部、ジメチロールプロパン酸6.5質量部、数平均分子量1800のポリヘキサメチレンカーボネートジオール60質量部、ネオペンチルグリコール6質量部、及び溶剤としてアセトン84.00質量部を投入し、窒素雰囲気下、75℃において3時間撹拌し、反応液が所定のアミン当量に達したことを確認した。この反応液を40℃にまで降温した後、トリエチルアミン5.17質量部を添加し、ポリウレタンプレポリマー溶液を得た。次に、次に、高速攪拌可能なホモディスパーを備えた反応容器に、水450gを添加して、25℃に調整して、2000min-1で攪拌混合しながら、ポリウレタンプレポリマー溶液を添加して水分散した。その後、減圧下で、アセトンおよび水の一部を除去することにより、固形分34質量%の水分散性ウレタン樹脂溶液(A-7)を調製した。
撹拌機、ジムロート冷却器、窒素導入管、シリカゲル乾燥管、及び温度計を備えた4つ口フラスコに、1,6-ヘキサンジオールとジエチルカーボネートからなる数平均分子量が2000のポリカーボネートポリオールを400質量部、ネオペンチルグリコールを10.4質量部、イソホロンジイソシアネート58.4質量部、ジメチロールブタン酸が7
4.3質量部及び溶剤としてアセトン320質量部を投入し、窒素雰囲気下、75℃において3時間撹拌し、反応液が所定のアミン当量に達したことを確認した。この反応液を40℃にまで降温した後、イソホロンジアミンを添加し、ポリウレタンプレポリマー溶液を得た。次に、高速攪拌可能なホモディスパーを備えた反応容器に、水1200gを添加して、25℃に調整して、2000min-1で攪拌混合しながら、ポリウレタンプレポリマー溶液を添加して水分散した。その後、減圧下で、アセトンおよび水の一部を除去することにより、固形分34質量%の水分散性ウレタン樹脂溶液(A-8)を調製した。
テレフタル酸、イソフタル酸、エチレングリコール、およびネオペンチルグリコールを構成成分とする分子量5000のポリエステルポリオール75重量部、水添m-キシリレンジイソシアネート30質量部、エチレングリコール7重量部、およびジメチロールプロピオン酸6重量部及び溶剤としてアセトン84.00質量部を投入し、窒素雰囲気下、75℃において3時間撹拌し、反応液が所定のアミン当量に達したことを確認した。この反応液を40℃にまで降温した後、トリエチルアミン5.17質量部を添加し、ポリウレタンプレポリマー溶液を得た。次に、次に、高速攪拌可能なホモディスパーを備えた反応容器に、水450gを添加して、25℃に調整して、2000min-1で攪拌混合しながら、ポリウレタンプレポリマー溶液を添加して水分散した。その後、減圧下で、アセトンおよび水の一部を除去することにより、固形分34質量%の水分散性ウレタン樹脂溶液(A-9)を調製した。
撹拌機、温度計、還流冷却管を備えたフラスコにヘキサメチレンジイソシアネートを原料としたイソシアヌレート構造を有するポリイソシアネート化合物(旭化成ケミカルズ製、デュラネートTPA)66.04質量部、N-メチルピロリドン17.50質量部に3,5-ジメチルピラゾール(解離温度:120℃、沸点:218℃)23.27質量部を滴下し、窒素雰囲気下、70℃で1時間保持した。その後、ジメチロールプロパン酸8.3質量部を滴下した。反応液の赤外スペクトルを測定し、イソシアネート基の吸収が消失したことを確認後、N,N-ジメチルエタノールアミン5.59質量部、水132.5質量部を加え、固形分40質量%のブロックポリイソシアネート水分散液(B-1)を得た。当該ブロックイソシアネート架橋剤の官能基数は4、NCO当量は280である。
攪拌機、温度計、還流冷却管を備えたフラスコにヘキサメチレンジイソシアネートを原料としたイソシアヌレート構造を有するポリイソシアネート化合物(旭化成ケミカルズ製、デュラネートTPA)100質量部、プロピレングリコールモノメチルエーテルアセテート55質量部、ポリエチレングリコールモノメチルエーテル(平均分子量750)30質量部を仕込み、窒素雰囲気下、70℃で4時間保持した。その後、反応液温度を50℃に下げ、メチルエチルケトオキシム49質量部を滴下した。反応液の赤外スペクトルを測定し、イソシアネート基の吸収が消失したことを確認し、水210質量部を加え固形分40質量%のオキシムブロックイソシアネート架橋剤(B-2)を得た。当該ブロックイソシアネート架橋剤の官能基数は3、NCO当量は170である。
攪拌機、温度計、還流冷却器を備えたフラスコにヘキサメチレンジイソシアネート168質量部とポリエチレングリコールモノメチルエーテル(M400、平均分子量400)220質量部を仕込み、120℃で1時間、攪拌し、更に4,4’-ジシクロヘキシルメタンジイソシアネート26質量部とカルボジイミド化触媒として3-メチル-1-フェニル-2-ホスホレン-1-オキシド3.8質量部(全イソシアネートに対して2質量%)を加え、窒素気流下185℃で更に5時間撹拌した。反応液の赤外スペクトルを測定し、波長220~2300cm-1の吸収が消失したことを確認した。60℃まで放冷し、イオン交換水を567質量部加え、固形分40質量%のカルボジイミド水性樹脂液(B-3)を得た。
ビスフェノールAのエチレンオキサイド2モル付加物とマレイン酸とのポリエステル(分子量2000)200重量部に、ヘキサメチレンジイソシアネート33.6重量部を添加し、100℃で2時間反応を行った。次いで系の温度を一旦50℃まで下げ、30%重亜硫酸ナトリウム水溶液73重量部を添加し、45℃で60分間攪拌を行った後、水718重量部で希釈し、固形分20質量%のブロックポリイソシアネート水分散液(B-1)を得た。当該ブロックイソシアネート架橋剤の官能基数は2、NCO当量は1300である。
攪拌機、温度計、および部分還流式冷却器を具備するステンレススチール製オートクレーブに、ジメチルテレフタレート194.2質量部、ジメチルイソフタレート184.5質量部、ジメチル-5-ナトリウムスルホイソフタレート14.8質量部、ジエチレングリコール233.5質量部、エチレングリコール136.6質量部、およびテトラ-n-ブチルチタネート0.2質量部を仕込み、160℃から220℃の温度で4時間かけてエステル交換反応を行なった。次いで255℃まで昇温し、反応系を徐々に減圧した後、30Paの減圧下で1時間30分反応させ、共重合ポリエステル樹脂(C-1)を得た。得られた共重合ポリエステル樹脂(C-1)は、淡黄色透明であった。共重合ポリエステル樹脂(C-1)の還元粘度を測定したところ,0.70dl/gであった。DSCによるガラス転移温度は40℃であった。
攪拌機、温度計と還流装置を備えた反応器に、ポリエステル樹脂(C-1)15質量部、エチレングリコールn-ブチルエーテル15質量部を入れ、110℃で加熱、攪拌し樹脂を溶解した。樹脂が完全に溶解した後、水70質量部をポリエステル溶液に攪拌しつつ徐々に添加した。添加後、液を攪拌しつつ室温まで冷却して、固形分15質量%の乳白色のポリエステル水分散体(Cw-1)を作製した。
攪拌機、温度計、及び部分還流式冷却器を具備するステンレススチール製オートクレーブに、2,6-ナフタレンジカルボン酸ジメチル342.0質量部、ジメチルテレフタレート35.0質量部、ジメチル-5-ナトリウムスルホイソフタレート35.5質量部、エチレングリコール198.6質量部、1,6-ヘキサンジオール118.2質量部、及びテトラ-n-ブチルチタネート0.4質量部を仕込み、160℃から220℃まで4時間かけてエステル交換反応を行なった。さらに、セバシン酸60.7質量部を加え、エステル化反応を行なった.次いで255℃まで昇温し、反応系を徐々に減圧した後、30Paの減圧下で1時間30分反応させ、共重合ポリエステル樹脂(C-2)を得た。得られた共重合ポリエステル樹脂は、淡黄色透明であった。
攪拌機、温度計と還流装置を備えた反応器に、共重合ポリエステル樹脂(C-2)30質量部、エチレングリコール-n-ブチルエーテル15質量部を入れ、110℃で加熱、攪拌し樹脂を溶解した。樹脂が完全に溶解した後、水55質量部をポリエステル溶液に攪拌しつつ徐々に添加した。添加後、液を攪拌しつつ室温まで冷却して、固形分25質量%の乳白色のポリエステル水分散体(Cw-2)を作製した。
(1)塗布液の調整
水とイソプロパノールの混合溶媒に、下記の塗剤を混合し、ウレタン樹脂溶液(A-1)/架橋剤(B-1)/ポリエステル水分散体(Cw-1)の固形分質量比が25/26/49になる塗布液を作成した。
ウレタン樹脂溶液(A-1) 3.55質量部
架橋剤(B-1) 3.16質量部
ポリエステル水分散体(Cw-1) 16.05質量部
粒子 0.47質量部
(平均粒径200nmの乾式法シリカ、 固形分濃度3.5質量%)
粒子 1.85質量部
(平均粒径40~50nmのシリカゾル、固形分濃度30質量%)
界面活性剤 0.30質量部
(シリコーン系、固形分濃度10質量%)
フィルム原料ポリマーとして、ポリエステルペレットP-1を、133Paの減圧下、135℃で6時間乾燥した。その後、押し出し機に供給し、約280℃でシート状に溶融押し出しして、表面温度20℃に保った回転冷却金属ロール上で急冷密着固化させ、未延伸PETシートを得た。
ウレタン樹脂を(A-2)に変更した以外は、実施例1と同様にして、積層ポリエステルフィルムを得た。
ウレタン樹脂を(A-3)に変更した以外は、実施例1と同様にして、積層ポリエステルフィルムを得た。
架橋剤を(B-2)に変更した以外は、実施例1と同様にして、積層ポリエステルフィルムを得た。
ウレタン樹脂を(A-2)に、架橋剤を(B-2)に変更した以外は、実施例1と同様にして、積層ポリエステルフィルムを得た。
ウレタン樹脂を(A-3)に、架橋剤を(B-2)に変更した以外は、実施例1と同様にして、積層ポリエステルフィルムを得た。
水とイソプロパノールの混合溶媒に、下記の塗剤を混合し、ウレタン樹脂溶液(A-2)/架橋剤の合計(B-1、B-2)/ポリエステル水分散体(Cw-1)の固形分質量比が25/25/50になるように変更した以外は、実施例1と同様にして、積層ポリエステルフィルムを得た。
ウレタン樹脂溶液(A-1) 3.55質量部
架橋剤(B-1) 2.10質量部
架橋剤(B-2) 1.00質量部
ポリエステル水分散体(Cw-1) 16.20質量部
粒子 0.47質量部
(平均粒径200nmの乾式法シリカ、 固形分濃度3.5質量%)
粒子 1.85質量部
(平均粒径40~50nmのシリカゾル、固形分濃度30質量%)
界面活性剤 0.30質量部
(シリコーン系、固形分濃度10質量%)
ウレタン樹脂を(A-2)に変更した以外は、実施例7と同様にして、積層ポリエステルフィルムを得た。
水とイソプロパノールの混合溶媒に、下記の塗剤を混合し、ウレタン樹脂溶液(A-1)/架橋剤(B-1)/ポリエステル水分散体(Cw-1)の固形分質量比が22/10/68になるになるように変更した以外は、実施例1と同様にして、積層ポリエステルフィルムを得た。
ウレタン樹脂溶液(A-1) 2.71質量部
架橋剤(B-1) 1.00質量部
ポリエステル水分散体(Cw-1) 19.05質量部
粒子 0.47質量部
(平均粒径200nmの乾式法シリカ、 固形分濃度3.5質量%)
粒子 1.85質量部
(平均粒径40~50nmのシリカゾル、固形分濃度30質量%)
界面活性剤 0.30質量部
(シリコーン系、固形分濃度10質量%)
ウレタン樹脂を(A-2)に変更した以外は、実施例9と同様にして、積層ポリエステルフィルムを得た。
ウレタン樹脂を(A-3)に変更した以外は、実施例9と同様にして、積層ポリエステルフィルムを得た。
架橋剤を(B-3)に変更した以外は、実施例9と同様にして、積層ポリエステルフィルムを得た。
ウレタン樹脂を(A-4)に変更した以外は、実施例9と同様にして、積層ポリエステルフィルムを得た。
ウレタン樹脂を(A-5)に変更した以外は、実施例9と同様にして、積層ポリエステルフィルムを得た。
フィルム原料ポリマーとして、ポリエステルペレットを(P-2)に変更した以外は、実施例1と同様にして、積層ポリエステルフィルムを得た。
ウレタン樹脂を(A-6)に変更した以外は、実施例1と同様にして、積層ポリエステルフィルムを得た。
ウレタン樹脂を(A-7)に変更した以外は、実施例1と同様にして、積層ポリエステルフィルムを得た。
ウレタン樹脂を(A-6)に変更した以外は、実施例9と同様にして、積層ポリエステルフィルムを得た。
ウレタン樹脂を(A-7)に変更した以外は、実施例9と同様にして、積層ポリエステルフィルムを得た。
ウレタン樹脂溶液(A-6)/架橋剤(B-1)/ポリエステル水分散体(Cw-2)の固形分質量比が38/7/55になるになるように変更した以外は、実施例1と同様にして、積層ポリエステルフィルムを得た。
ウレタン樹脂溶液(A-8)/架橋剤(B-4)/ポリエステル水分散体(Cw-2)の固形分質量比が22/12/66になるになるように変更した以外は、実施例1と同様にして、積層ポリエステルフィルムを得た。
水とイソプロパノールの混合溶媒に、下記の塗剤を混合し、ウレタン樹脂溶液(A-1)/架橋剤(B-1)の固形分比が70/30になるになるように変更した以外は、実施例1と同様にして、積層ポリエステルフィルムを得た。
ウレタン樹脂溶液(A-1) 9.03質量部
架橋剤(B-1) 3.38質量部
粒子 0.52質量部
(平均粒径200nmの乾式法シリカ、 固形分濃度3.5%)
粒子 1.80質量部
(平均粒径40nmのシリカゾル、固形分濃度30質量%)
界面活性剤 0.30質量部
(シリコーン系、固形分濃度10質量%)
水とイソプロパノールの混合溶媒に、下記の塗剤を混合し、ウレタン樹脂溶液(A-1)/架橋剤(B-1)の固形分比が20/80になるになるように変更した以外は、実施例1と同様にして、積層ポリエステルフィルムを得た。
ウレタン樹脂溶液(A-1) 2.58質量部
架橋剤(B-1) 9.00質量部
粒子 0.52質量部
(平均粒径200nmの乾式法シリカ、 固形分濃度3.5質量%)
粒子 1.80質量部
(平均粒径40nmのシリカゾル、固形分濃度30質量%)
界面活性剤 0.30質量部
(シリコーン系、固形分濃度10質量%)
ウレタン樹脂を(A-9)に変更した以外は、実施例1と同様にして、積層ポリエステルフィルムを得た。
Claims (3)
- ポリエステルフィルム基材の少なくとも一方の面に塗布層を有する積層ポリエステルフィルムであって、前記塗布層が、ポリカーボネート構造を有し且つ分岐構造を有するウレタン樹脂、架橋剤、及びポリエステル樹脂を含有する組成物が硬化されて形成されている積層ポリエステルフィルム。
- 前記架橋剤が3官能以上のブロックイソシアネート基を有する化合物である請求項1に記載の積層ポリエステルフィルム。
- 前記ポリカーボネート構造を有し且つ分岐構造を有するウレタン樹脂が、ポリカーボネートポリオール成分とポリイソシアネート成分が合成、重合されてなり、前記合成、重合する際のポリカーボネートポリオール成分とポリイソシアネート成分の質量比(ポリカーボネートポリオール成分の質量/ポリイソシアネート成分の質量)がは0.5~3である請求項1又は2に記載の積層ポリエステルフィルム。
Priority Applications (7)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| EP20779136.9A EP3950348A4 (en) | 2019-03-26 | 2020-03-02 | LAMINATED POLYESTER FILM |
| CN202410438241.8A CN118440383A (zh) | 2019-03-26 | 2020-03-02 | 层叠聚酯膜 |
| US17/442,741 US20220228020A1 (en) | 2019-03-26 | 2020-03-02 | Laminated polyester film |
| JP2020516759A JP7439751B2 (ja) | 2019-03-26 | 2020-03-02 | 積層ポリエステルフィルム |
| KR1020217034075A KR20210145190A (ko) | 2019-03-26 | 2020-03-02 | 적층 폴리에스테르 필름 |
| CN202080024197.6A CN113631388A (zh) | 2019-03-26 | 2020-03-02 | 层叠聚酯膜 |
| JP2024012921A JP7831501B2 (ja) | 2019-03-26 | 2024-01-31 | 積層ポリエステルフィルム |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2019-058188 | 2019-03-26 | ||
| JP2019058188 | 2019-03-26 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| WO2020195572A1 true WO2020195572A1 (ja) | 2020-10-01 |
Family
ID=72608600
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| PCT/JP2020/008630 Ceased WO2020195572A1 (ja) | 2019-03-26 | 2020-03-02 | 積層ポリエステルフィルム |
Country Status (7)
| Country | Link |
|---|---|
| US (1) | US20220228020A1 (ja) |
| EP (1) | EP3950348A4 (ja) |
| JP (2) | JP7439751B2 (ja) |
| KR (1) | KR20210145190A (ja) |
| CN (2) | CN113631388A (ja) |
| TW (1) | TWI822979B (ja) |
| WO (1) | WO2020195572A1 (ja) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2024009589A (ja) * | 2022-07-11 | 2024-01-23 | 東洋紡株式会社 | 積層ポリエステルフィルム |
| JPWO2024177038A1 (ja) * | 2023-02-21 | 2024-08-29 | ||
| WO2025198024A1 (ja) * | 2024-03-21 | 2025-09-25 | 東洋紡株式会社 | ポリエステルフィルム |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20210126577A (ko) * | 2019-02-13 | 2021-10-20 | 도요보 가부시키가이샤 | 적층 폴리에스테르 필름 |
| CN114423809A (zh) | 2019-08-02 | 2022-04-29 | 东洋纺株式会社 | 白色层叠聚酯膜 |
| WO2025108924A1 (en) * | 2023-11-21 | 2025-05-30 | Covestro Deutschland Ag | Water-dispersible blocked isocyanate prepolymer system, method for preparing the same, and application thereof |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS56131635A (en) * | 1980-02-14 | 1981-10-15 | Ppg Industries Inc | Production of hard plastic transparent body coated with wear resistance polyurethane |
| JP2010274646A (ja) * | 2009-04-28 | 2010-12-09 | Toyobo Co Ltd | 成型用積層ポリエステルフィルム |
| JP2012121196A (ja) * | 2010-12-07 | 2012-06-28 | Toyobo Co Ltd | インサート成型用ポリエステルフィルム |
| JP2013535311A (ja) * | 2010-07-02 | 2013-09-12 | 関西ペイント株式会社 | 複層塗膜形成方法 |
| WO2018088575A1 (ja) * | 2017-01-10 | 2018-05-17 | 三菱ケミカル株式会社 | ポリカーボネートジオール、ポリカーボネートジオール含有組成物、ポリカーボネートジオールの製造方法、及びポリウレタン |
| CN108264630A (zh) * | 2017-12-29 | 2018-07-10 | 广东博海化工科技有限公司 | 一种uv后固化改性水性聚碳酸酯聚氨酯乳液及其制备方法 |
Family Cites Families (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP4253895B2 (ja) | 1999-02-12 | 2009-04-15 | 東洋紡績株式会社 | 光学用易接着フィルムの製造方法 |
| JP4130964B2 (ja) | 2002-07-04 | 2008-08-13 | 三菱樹脂株式会社 | 塗布フィルム |
| JP2004082369A (ja) | 2002-08-23 | 2004-03-18 | Teijin Dupont Films Japan Ltd | プリペードカード用積層ポリエステルフィルム |
| JP5493939B2 (ja) * | 2009-04-28 | 2014-05-14 | 東洋紡株式会社 | 白色積層ポリエステルフィルム |
| KR101404875B1 (ko) * | 2009-12-04 | 2014-06-09 | 도요보 가부시키가이샤 | 이접착성 열가소성 수지 필름 |
| JP5834702B2 (ja) | 2011-02-09 | 2015-12-24 | 東洋紡株式会社 | 太陽電池用易接着性ポリエステルフィルムおよびそれを用いたフロントシート |
| JP2012172094A (ja) * | 2011-02-23 | 2012-09-10 | Toyo Ink Sc Holdings Co Ltd | 成形用樹脂組成物、シート、粘着シート、シートの製造方法及び成型体 |
| JP5734271B2 (ja) * | 2012-12-28 | 2015-06-17 | 三菱樹脂株式会社 | 積層ポリエステルフィルム |
| JP5878153B2 (ja) * | 2013-03-02 | 2016-03-08 | 三菱樹脂株式会社 | 積層ポリエステルフィルム |
| KR102042873B1 (ko) * | 2015-09-25 | 2019-11-08 | 주식회사 엘지화학 | 디스플레이용 pdms-폴리우레탄 필름 및 이의 제조방법 |
| BR112018069898B1 (pt) * | 2016-03-30 | 2023-01-24 | Furanix Technologies B.V. | Filme de poliéster, rolo de filme de poliéster e método para produzir o filme de poliéster |
| KR20210126577A (ko) * | 2019-02-13 | 2021-10-20 | 도요보 가부시키가이샤 | 적층 폴리에스테르 필름 |
-
2020
- 2020-03-02 JP JP2020516759A patent/JP7439751B2/ja active Active
- 2020-03-02 CN CN202080024197.6A patent/CN113631388A/zh active Pending
- 2020-03-02 KR KR1020217034075A patent/KR20210145190A/ko not_active Ceased
- 2020-03-02 EP EP20779136.9A patent/EP3950348A4/en active Pending
- 2020-03-02 WO PCT/JP2020/008630 patent/WO2020195572A1/ja not_active Ceased
- 2020-03-02 US US17/442,741 patent/US20220228020A1/en active Pending
- 2020-03-02 CN CN202410438241.8A patent/CN118440383A/zh active Pending
- 2020-03-20 TW TW109109296A patent/TWI822979B/zh active
-
2024
- 2024-01-31 JP JP2024012921A patent/JP7831501B2/ja active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS56131635A (en) * | 1980-02-14 | 1981-10-15 | Ppg Industries Inc | Production of hard plastic transparent body coated with wear resistance polyurethane |
| JP2010274646A (ja) * | 2009-04-28 | 2010-12-09 | Toyobo Co Ltd | 成型用積層ポリエステルフィルム |
| JP2013535311A (ja) * | 2010-07-02 | 2013-09-12 | 関西ペイント株式会社 | 複層塗膜形成方法 |
| JP2012121196A (ja) * | 2010-12-07 | 2012-06-28 | Toyobo Co Ltd | インサート成型用ポリエステルフィルム |
| WO2018088575A1 (ja) * | 2017-01-10 | 2018-05-17 | 三菱ケミカル株式会社 | ポリカーボネートジオール、ポリカーボネートジオール含有組成物、ポリカーボネートジオールの製造方法、及びポリウレタン |
| CN108264630A (zh) * | 2017-12-29 | 2018-07-10 | 广东博海化工科技有限公司 | 一种uv后固化改性水性聚碳酸酯聚氨酯乳液及其制备方法 |
Non-Patent Citations (1)
| Title |
|---|
| See also references of EP3950348A4 * |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2024009589A (ja) * | 2022-07-11 | 2024-01-23 | 東洋紡株式会社 | 積層ポリエステルフィルム |
| JPWO2024177038A1 (ja) * | 2023-02-21 | 2024-08-29 | ||
| WO2024177038A1 (ja) * | 2023-02-21 | 2024-08-29 | 東洋紡株式会社 | 易接着性ポリエステルフィルム |
| WO2025198024A1 (ja) * | 2024-03-21 | 2025-09-25 | 東洋紡株式会社 | ポリエステルフィルム |
Also Published As
| Publication number | Publication date |
|---|---|
| JPWO2020195572A1 (ja) | 2020-10-01 |
| EP3950348A4 (en) | 2023-01-11 |
| TWI822979B (zh) | 2023-11-21 |
| JP7831501B2 (ja) | 2026-03-17 |
| JP7439751B2 (ja) | 2024-02-28 |
| KR20210145190A (ko) | 2021-12-01 |
| US20220228020A1 (en) | 2022-07-21 |
| EP3950348A1 (en) | 2022-02-09 |
| CN118440383A (zh) | 2024-08-06 |
| CN113631388A (zh) | 2021-11-09 |
| TW202043041A (zh) | 2020-12-01 |
| JP2024045365A (ja) | 2024-04-02 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| JP7024853B2 (ja) | 積層ポリエステルフィルム | |
| JP7831501B2 (ja) | 積層ポリエステルフィルム | |
| JP7103507B2 (ja) | 積層ポリエステルフィルム | |
| WO2021024701A1 (ja) | 白色積層ポリエステルフィルム | |
| WO2022030123A1 (ja) | 積層ポリエステルフィルム | |
| WO2020246270A1 (ja) | 金属被覆ポリエステルフィルム | |
| JP7746985B2 (ja) | 遮熱フィルム | |
| WO2024172149A1 (ja) | 積層ポリエステルフィルム |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| ENP | Entry into the national phase |
Ref document number: 2020516759 Country of ref document: JP Kind code of ref document: A |
|
| 121 | Ep: the epo has been informed by wipo that ep was designated in this application |
Ref document number: 20779136 Country of ref document: EP Kind code of ref document: A1 |
|
| NENP | Non-entry into the national phase |
Ref country code: DE |
|
| ENP | Entry into the national phase |
Ref document number: 20217034075 Country of ref document: KR Kind code of ref document: A |
|
| ENP | Entry into the national phase |
Ref document number: 2020779136 Country of ref document: EP Effective date: 20211026 |
|
| WWR | Wipo information: refused in national office |
Ref document number: 1020217034075 Country of ref document: KR |
