WO2011059252A2 - 공중합 폴리에스테르 열 수축 필름 - Google Patents
공중합 폴리에스테르 열 수축 필름 Download PDFInfo
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- WO2011059252A2 WO2011059252A2 PCT/KR2010/007981 KR2010007981W WO2011059252A2 WO 2011059252 A2 WO2011059252 A2 WO 2011059252A2 KR 2010007981 W KR2010007981 W KR 2010007981W WO 2011059252 A2 WO2011059252 A2 WO 2011059252A2
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- WO
- WIPO (PCT)
- Prior art keywords
- mol
- acid
- heat
- shrinkage
- diol
- 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.)
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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
- C08J5/00—Manufacture of articles or shaped materials containing macromolecular substances
- C08J5/18—Manufacture of films or sheets
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C55/00—Shaping by stretching, e.g. drawing through a die; Apparatus therefor
- B29C55/02—Shaping by stretching, e.g. drawing through a die; Apparatus therefor of plates or sheets
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C55/00—Shaping by stretching, e.g. drawing through a die; Apparatus therefor
- B29C55/02—Shaping by stretching, e.g. drawing through a die; Apparatus therefor of plates or sheets
- B29C55/04—Shaping by stretching, e.g. drawing through a die; Apparatus therefor of plates or sheets uniaxial, e.g. oblique
- B29C55/08—Shaping by stretching, e.g. drawing through a die; Apparatus therefor of plates or sheets uniaxial, e.g. oblique transverse to the direction of feed
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C61/00—Shaping by liberation of internal stresses; Making preforms having internal stresses; Apparatus therefor
- B29C61/003—Shaping by liberation of internal stresses; Making preforms having internal stresses; Apparatus therefor characterised by the choice of material
-
- 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
- C08G63/02—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
- C08G63/52—Polycarboxylic acids or polyhydroxy compounds in which at least one of the two components contains aliphatic unsaturation
- C08G63/56—Polyesters derived from ester-forming derivatives of polycarboxylic acids or of polyhydroxy compounds other than from esters thereof
- C08G63/58—Cyclic ethers; Cyclic carbonates; Cyclic sulfites ; Cyclic orthoesters
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L33/00—Compositions of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and only one being terminated by only one carboxyl radical, or of salts, anhydrides, esters, amides, imides or nitriles thereof; Compositions of derivatives of such polymers
- C08L33/04—Homopolymers or copolymers of esters
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29K—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS OR TO MATERIALS FOR MOULDS, REINFORCEMENTS, FILLERS OR PREFORMED PARTS, e.g. INSERTS
- B29K2067/00—Use of polyesters or derivatives thereof, as moulding material
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29K—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS OR TO MATERIALS FOR MOULDS, REINFORCEMENTS, FILLERS OR PREFORMED PARTS, e.g. INSERTS
- B29K2105/00—Condition, form or state of moulded material or of the material to be shaped
- B29K2105/0085—Copolymers
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29K—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS OR TO MATERIALS FOR MOULDS, REINFORCEMENTS, FILLERS OR PREFORMED PARTS, e.g. INSERTS
- B29K2105/00—Condition, form or state of moulded material or of the material to be shaped
- B29K2105/02—Condition, form or state of moulded material or of the material to be shaped heat shrinkable
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29K—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS OR TO MATERIALS FOR MOULDS, REINFORCEMENTS, FILLERS OR PREFORMED PARTS, e.g. INSERTS
- B29K2995/00—Properties of moulding materials, reinforcements, fillers, preformed parts or moulds
- B29K2995/0037—Other properties
- B29K2995/0049—Heat shrinkable
-
- 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
Definitions
- the present invention relates to a copolyester heat shrink film, and more particularly, to a copolyester heat shrink film that can be used for use in labels, cap seals or direct packaging of various containers.
- Heat shrinkable plastic products are widely used in film applications, such as shrink wrap, shrink labels, due to their shrinking properties upon heating.
- polyvinyl chloride (PVC), polystyrene, and polyester-based plastic films have been used for the purpose of labels, cap seals, or direct packaging of various containers.
- the film made of polyvinyl chloride is environmentally regulated, such as hydrogen chloride gas and substances causing dioxins during incineration, and the film is labeled with shrinkage labels such as PET (polyethylene terephthalate) containers.
- shrinkage labels such as PET (polyethylene terephthalate) containers.
- the polystyrene-based film has a good work stability according to the shrinkage process and the appearance of the product is good, but the chemical resistance is not good, the ink of a special composition must be used when printing.
- the dimensions are deformed, such as shrinkage by itself due to lack of storage stability at room temperature.
- the film made of polyester resin is not a problem of the environmental, chemical resistance, etc. is a heat-shrink film that can replace the film made of the two raw materials, and as the amount of PET container is increased, a separate label separation process when recycling There is an increasing trend in the use of shrink labels made from polyester films that are not needed.
- the acid component (terephthalic acid) and the diol component (diol component) comprising an isosorbide and ethylene glycol represented by the following formula (1) is copolymerized, the acid component Acid moiety derived from and diol moiety derived from the diol component, the copolymer polyester resin having a repeating structure, the shrinkage start temperature is 60 °C or more, It provides a copolyester heat shrink film having a maximum heat shrinkage of less than 2% and a maximum heat shrinkage of 50 to 90% at 90 to 100 ° C.
- Copolymerized polyester heat shrink film according to the present invention by increasing the heat resistance, by shrinking by applying a heat of 90 to 100 °C to a heat shrink label made using it, after labeling the bottle, high temperature (60 to 70 °C) Even if the beverage is injected into the bottle, deformation and shrinkage of the formed label are prevented. Therefore, the copolyester heat shrink film is useful for the use of labels, cap seals or direct packaging of various containers.
- an acid component containing terephthalic acid and a diol component including isosorbide and ethylene glycol represented by the following Chemical Formula 1 are copolymerized, and the acid The acid moiety derived from the component and the diol moiety derived from the diol component consist of a copolyester resin having a repeating structure.
- the acid component used for this invention contains terephthalic acid as a main component. That is, the acid component is a total acid component is a terephthalic acid component, or in order to improve the physical properties of the polyester resin, in addition to the terephthalic acid component, aromatic dicarboxylic acid component having 8 to 14 carbon atoms and aliphatic dicarboxylic acid component having 4 to 12 carbon atoms It may include some of the copolymerized acid component (copolymerization monomer) selected from the group consisting of.
- the content of the copolymerized acid component for improving physical properties is preferably 0 to 50 mol%, for example, 0.1 to 40 mol%, more preferably 1 to 10 mol%, based on the total acid component.
- the aromatic dicarboxylic acid component having 8 to 14 carbon atoms is selected from polyester resins such as naphthalenedicarboxylic acid such as isophthalic acid and 2,6-naphthalenedicarboxylic acid and diphenyl dicarboxylic acid except for terephthalic acid component.
- Aromatic dicarboxylic acid component commonly used in the preparation wherein the aliphatic dicarboxylic acid component having 4 to 12 carbon atoms is 1,4-cyclohexanedicarboxylic acid, 1,3-cyclohexanedicarboxylic acid Linear, branched or the like commonly used in the preparation of polyester resins such as cyclohexanedicarboxylic acid, phthalic acid, sebacic acid, succinic acid, isodecyl succinic acid, maleic acid, fumaric acid, adipic acid, glutaric acid, azelaic acid, and the like. Cyclic aliphatic dicarboxylic acid components. The acid component may be used alone or in combination of two or more thereof.
- terephthalic acid component terephthalic acid
- alkyl esters thereof lower alkyl esters having 1 to 4 carbon atoms such as monomethyl, monoethyl, dimethyl, diethyl or dibutyl ester
- acid anhydrides thereof acid anhydride
- an acid moiety and a diol moiety include a residue remaining after hydrogen, a hydroxy group or an alkoxy group is removed when an acid component and a diol component are subjected to a conventional polyester polymerization reaction.
- Diol component (diol component) used in the present invention isosorbide and ethylene glycol represented by the formula (1), in order to improve the moldability or other physical properties of the polymer, optionally 1,4-cyclohexanedi Methanol may be included.
- the diol component is 0.1 to 60 mol%, preferably 0.5 to 40 mol%, more preferably 1 to 30 mol%, most preferably 5 to 15 mol%, 1, 0 to 90 mol%, preferably 10 to 80 mol%, more preferably 15 to 30 mol%, and the remaining ethylene glycol of 4-cyclohexanedimethanol.
- the content of the isosorbide represented by the formula (1) is less than 0.1 mol% of the total diol components, there is a fear that the heat resistance of the heat shrinkable film does not improve, if it exceeds 60 mol%, due to excessive heat resistance, heat shrink There is a concern that molding by shrinkage during the shrinkage process of the film may not be sufficient.
- the 1,4-cyclohexanedimethanol may be cis-, trans-, or a mixture of two isomers, and when the content of the 1,4-cyclohexanedimethanol is too small, the impact strength may be insufficient. And, if the content is too large, the content of isosorbide is relatively reduced, there is a fear that the heat resistance is lowered, there is a fear that poor moldability due to crystallization.
- Ethylene glycol may be used as the remaining components of the diol component so that the sum of all diol components is 100 mol%, and one or more of the following diol components may be added and used as necessary.
- Additional diol components that can be used include propane-1,2-diol, 2,2-methyl-1,3-propanediol, 2-methyl-1,3-propanediol, 2-dimethyl-1,3-propanediol, 2-methyl-2-ethyl-1,3-propanediol, 2-methyl-isopropyl-1,3-propanediol, 2-methyl-2-n-propyl-1,3-propanediol, 1,1- Ethyl-n-butyl-1,3-propanediol, 2-n-propyl-2-n-butyl-1,3-propanediol, 2,2-di-n-propyl-1,3-propanediol, 2
- Copolyester resins used in the present invention are prepared through esterification reaction (first step) and polycondensation reaction (second step).
- the first step, the esterification reaction may be performed in a batch or continuous manner, and each raw material (acid component and diol component) may be separately added, but the acid component is added to the diol component in a slurry form. It is preferable.
- the total diol component is added to the molar ratio of 1.05 to 3.0 with respect to an acid component such as terephthalic acid, 200 to 300 °C, preferably 210 to 290 °C More preferably, the esterification reaction is carried out at 230 to 280 ° C and pressurized pressure conditions of 0.1 to 3.0 kg / cm 2 , preferably 0.2 to 3.0 kg / cm 2 .
- the diol component / acid component ratio is less than 1.05, unreacted acid component may remain during the polymerization reaction, and the transparency of the resin may be reduced.
- the esterification reaction time (average residence time) is usually 100 minutes to 20 hours, preferably about 2 to 18 hours, and may vary depending on the reaction temperature, pressure, and molar ratio of the diol component to the acid component to be used.
- a polycondensation reaction (second step) is carried out, and before the start of the polycondensation reaction (second step), a polycondensation catalyst, stabilizer is added to the product of the esterification reaction. , Colorants and the like can be added.
- a polycondensation catalyst one or more of conventional titanium, germanium, antimony, aluminum, tin compound, and the like may be appropriately selected and used.
- phosphorus compounds such as phosphoric acid, trimethyl phosphate and triethyl phosphate can be generally used, and the amount of the additive is 10 to 100 ppm relative to the weight of the final polymer based on the amount of phosphorus element. If the amount of the stabilizer is less than 10 ppm, the stabilization effect is insufficient, and the color of the polymer may change to yellow. If the amount of the stabilizer exceeds 100 ppm, the polymer of the desired high polymerization degree may not be obtained.
- the polycondensation reaction is carried out under reduced pressure conditions of 260 to 290 ° C, preferably 260 to 280 ° C, more preferably 265 to 275 ° C and 400 to 0.1 mmHg.
- the reduced pressure condition of 400 to 0.1 mmHg is for removing glycol which is a byproduct of the polycondensation reaction.
- the polycondensation reaction is carried out for the required time until the desired intrinsic viscosity is reached, for example for an average residence time of 1 to 20 hours.
- the copolyester heat shrink film according to the present invention can be prepared by a conventional heat shrink film manufacturing method, for example, extruded using an extrusion blowing or a biaxially extruder, 1 to 4 in the TD (Transverse Direction) direction It can be prepared by stretching the vessel.
- the thickness of the copolyester heat shrink film produced by the above production method is usually 20 ⁇ m to 1 mm.
- the copolyester heat shrink film has a shrinkage onset temperature of 60 ° C. or higher, preferably 65 to 90 ° C., and a maximum heat shrinkage at 60 to 70 ° C. of less than 5%, preferably 0 to 2%, and 90 to 90 ° C.
- the maximum heat shrinkage at 100 ° C. is 50 to 90%, preferably 60 to 85%.
- the shrinkage start temperature is out of the range, there is a risk of deformation of the film at room temperature, and when the maximum heat shrinkage at 60 to 70 °C is out of the range, a container using a label made of the heat shrinkable film
- a high temperature (60-70 ° C.) beverage or the like is injected into the back, the label may be deformed or shrunk.
- the heat shrinkable film may not be sufficiently formed (shrink), and thus, the heat shrinkage film may not be used for a label such as a container, a cap seal, or a direct packaging. have.
- Tg Glass transition temperature
- the heat shrinkable film was annealed at 300 ° C. for 5 minutes, cooled to room temperature, and then subjected to a second scan (at a heating rate of 10 ° C./min). 2nd Scan) Tg temperature is measured. Using TA Scan's Differential Scanning Calorimetry.
- Heat shrinkage rate The heat shrinkage film was cut into 10 cm x 10 cm squares, immersed for 10 seconds under no load in hot water at a temperature (65 ° C and 95 ° C) described in Table 1, and then heat shrinked, followed by 25 ° C. After immersion in water for 10 seconds, the longitudinal and transverse lengths of the sample were measured and the heat shrinkage was calculated according to the following formula.
- Heat Shrinkage (%) 100 ⁇ (length before shrink-length after shrink) / (length before shrink)
- the reactor was first heated up from 240 ° C to 275 ° C while depressurizing the pressure to 50mmHg at normal pressure, and ethylene glycol was removed by a low vacuum reaction for 40 minutes. Then, the mixture was slowly depressurized to 0.1 mmHg and subjected to polycondensation reaction under high vacuum until the desired intrinsic viscosity was obtained, thereby preparing a copolymerized polyester resin.
- Copolymerization polyester resins of Examples 1 to 4 (Examples 1 to 4), Copolymerization polyester resins of Preparation Examples 5 to 7 (Comparative Examples 1 to 3) and polyvinyl chloride (PVC) resins, respectively Using (Comparative Example 4), a heat-shrink film was produced by an extrusion blowing or biaxial stretching extruder, and a film manufacturing method of stretching 1 to 4 times in the direction of TD (Transverse Direction).
- the shrinkage onset temperature of the prepared heat shrinkable film was measured using the heat shrinkage rate measuring method presented in (2) (measurement of the temperature at which shrinkage occurs when measuring a sample in the same manner as the heat shrinkage rate measuring method). Glass transition temperature, heat shrinkage and melt resistivity were measured, and the results are shown in Table 1 below.
- the copolyester heat shrinkable films (Examples 1 to 4) according to the present invention have a glass transition temperature of 85 to 103 ° C, excellent heat resistance (heat resistance), and a shrinkage start temperature of 73 to 85 ° C. It is high, and since the maximum heat shrinkage rate at 65 ° C is 0%, when the heat shrinkable film of the present invention is used as a shrinkage label or the like, it can be seen that the shrinkage and deformation of the label are not caused by a beverage of high temperature (60 to 70 ° C) or the like. have.
- the maximum heat shrinkage at 95 °C is 75 to 81%, can be used normally during heat shrink film molding (shrinkage), the melt resistivity is 0.12 to 0.14, and has the same melt resistivity characteristics as a conventional heat shrink film Able to know.
- polyester heat-shrink films (Comparative Examples 1, 2 and 4) without addition of isosorbide have poor heat resistance (heat resistance), and heat shrinkage by hot drinks with a maximum heat shrinkage of 65% or more.
- the film may shrink and deform, and in the case of the polyester heat shrink film (Comparative Example 3) in which excessive isosorbide is added, the heat resistance (heat resistance) is excellent, but the shrinkage start temperature of the heat shrink film is too high. It can be seen that it is difficult to mold.
- copolyester heat shrink film according to the present invention is useful as a heat shrink film used for use in labels, cap seals or direct packaging of various containers.
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Mechanical Engineering (AREA)
- Materials Engineering (AREA)
- Polyesters Or Polycarbonates (AREA)
- Manufacture Of Macromolecular Shaped Articles (AREA)
Abstract
Description
Claims (3)
- 제1항에 있어서, 상기 디올 성분은, 상기 화학식 1로 표시되는 아이소소바이드 0.1 내지 60몰%, 1,4-사이클로헥산디메탄올 0 내지 90몰% 및 나머지 에틸렌글리콜을 포함하는 것인 공중합 폴리에스테르 열 수축 필름.
- 제1항에 있어서, 상기 열 수축 필름은 상기 공중합 폴리에스테르 수지를 압출 블로잉 또는 이축연신 압출기를 이용하여 압출하고, TD(Transverse Direction) 방향으로 1 내지 4배 연신하여 제조하는 것인 공중합 폴리에스테르 열 수축 필름.
Priority Applications (5)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| BR112012011202-3A BR112012011202B1 (pt) | 2009-11-13 | 2010-11-12 | Filme de poliéster termorretrátil copolimerizado |
| JP2012538761A JP5641587B2 (ja) | 2009-11-13 | 2010-11-12 | 共重合ポリエステル熱収縮フィルム |
| CN201080057851.XA CN102666681B (zh) | 2009-11-13 | 2010-11-12 | 共聚聚酯热收缩膜 |
| EP10830184.7A EP2500373B1 (en) | 2009-11-13 | 2010-11-12 | Copolymerized polyester heat shrinkable film |
| US13/509,511 US9169365B2 (en) | 2009-11-13 | 2010-11-12 | Copolymerized polyester heat shrinkable film |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR10-2009-0109610 | 2009-11-13 | ||
| KR1020090109610A KR101639629B1 (ko) | 2009-11-13 | 2009-11-13 | 공중합 폴리에스테르 열 수축 필름 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| WO2011059252A2 true WO2011059252A2 (ko) | 2011-05-19 |
| WO2011059252A3 WO2011059252A3 (ko) | 2011-10-20 |
Family
ID=43992230
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| PCT/KR2010/007981 Ceased WO2011059252A2 (ko) | 2009-11-13 | 2010-11-12 | 공중합 폴리에스테르 열 수축 필름 |
Country Status (7)
| Country | Link |
|---|---|
| US (1) | US9169365B2 (ko) |
| EP (1) | EP2500373B1 (ko) |
| JP (1) | JP5641587B2 (ko) |
| KR (1) | KR101639629B1 (ko) |
| CN (1) | CN102666681B (ko) |
| BR (1) | BR112012011202B1 (ko) |
| WO (1) | WO2011059252A2 (ko) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2012126821A (ja) * | 2010-12-15 | 2012-07-05 | Toyobo Co Ltd | 成型用二軸配向ポリエステルフィルム |
| WO2013136875A1 (ja) * | 2012-03-15 | 2013-09-19 | 三菱樹脂株式会社 | 二軸配向ポリエステルフィルム |
Families Citing this family (26)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20110028696A (ko) * | 2009-09-14 | 2011-03-22 | 에스케이케미칼주식회사 | 아이소소바이드와 1,4-사이클로헥산디메탄올이 공중합된 폴리에스테르 수지 및 그 제조방법 |
| KR101952941B1 (ko) | 2012-06-05 | 2019-02-27 | 에스케이케미칼 주식회사 | 폴리에스테르 수지 및 이의 제조 방법 |
| KR102041946B1 (ko) * | 2013-01-15 | 2019-11-07 | 에스케이케미칼 주식회사 | 폴리에스테르계 열수축 필름 |
| KR102082304B1 (ko) * | 2013-05-02 | 2020-02-27 | 에스케이케미칼 주식회사 | 공중합 폴리에스테르 수지 및 이를 이용한 성형제품 |
| EP3012296B1 (en) * | 2013-06-17 | 2018-03-07 | SK Chemicals Co., Ltd. | Composition for forming heat-shrinkable film, comprising polyethylene terephthalate resin and copolymer polyester resin, and heat-shrinkable film |
| US10696806B2 (en) * | 2013-06-17 | 2020-06-30 | Sk Chemicals Co., Ltd. | Heat shrinkable film comprising polyester based copolymer |
| KR101586457B1 (ko) * | 2014-04-22 | 2016-01-18 | 롯데케미칼 주식회사 | 폴리에스테르 수지의 제조방법 |
| KR102251211B1 (ko) | 2014-08-19 | 2021-05-11 | 에스케이케미칼 주식회사 | 폴리에스테르계 열수축 필름 |
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| JP7537094B2 (ja) * | 2020-02-18 | 2024-08-21 | 東レ株式会社 | ポリエステルフィルム |
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| CN114316523A (zh) * | 2020-09-30 | 2022-04-12 | 美国克罗克纳潘塔普拉斯特有限公司 | 热收缩膜及其制造方法 |
| CN114702789B (zh) * | 2022-03-01 | 2023-12-19 | 杭州和顺科技股份有限公司 | 一种高透光率聚酯薄膜及其制造方法 |
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- 2010-11-12 BR BR112012011202-3A patent/BR112012011202B1/pt active IP Right Grant
- 2010-11-12 JP JP2012538761A patent/JP5641587B2/ja active Active
- 2010-11-12 CN CN201080057851.XA patent/CN102666681B/zh active Active
- 2010-11-12 WO PCT/KR2010/007981 patent/WO2011059252A2/ko not_active Ceased
- 2010-11-12 US US13/509,511 patent/US9169365B2/en active Active
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| Publication number | Priority date | Publication date | Assignee | Title |
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| JP2012126821A (ja) * | 2010-12-15 | 2012-07-05 | Toyobo Co Ltd | 成型用二軸配向ポリエステルフィルム |
| WO2013136875A1 (ja) * | 2012-03-15 | 2013-09-19 | 三菱樹脂株式会社 | 二軸配向ポリエステルフィルム |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102666681B (zh) | 2016-05-04 |
| US9169365B2 (en) | 2015-10-27 |
| WO2011059252A3 (ko) | 2011-10-20 |
| JP2013510919A (ja) | 2013-03-28 |
| EP2500373A4 (en) | 2015-02-25 |
| EP2500373A2 (en) | 2012-09-19 |
| CN102666681A (zh) | 2012-09-12 |
| KR101639629B1 (ko) | 2016-07-14 |
| US20120226014A1 (en) | 2012-09-06 |
| BR112012011202B1 (pt) | 2021-08-31 |
| KR20110052890A (ko) | 2011-05-19 |
| BR112012011202A2 (pt) | 2019-09-24 |
| JP5641587B2 (ja) | 2014-12-17 |
| EP2500373B1 (en) | 2016-09-14 |
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