WO2011025169A2 - 아크릴 필름의 제조 방법 및 아크릴 필름 - Google Patents
아크릴 필름의 제조 방법 및 아크릴 필름 Download PDFInfo
- Publication number
- WO2011025169A2 WO2011025169A2 PCT/KR2010/005396 KR2010005396W WO2011025169A2 WO 2011025169 A2 WO2011025169 A2 WO 2011025169A2 KR 2010005396 W KR2010005396 W KR 2010005396W WO 2011025169 A2 WO2011025169 A2 WO 2011025169A2
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- meth
- acrylic
- resin syrup
- compounds
- acrylate
- 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
-
- 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
- B29C39/00—Shaping by casting, i.e. introducing the moulding material into a mould or between confining surfaces without significant moulding pressure; Apparatus therefor
- B29C39/14—Shaping by casting, i.e. introducing the moulding material into a mould or between confining surfaces without significant moulding pressure; Apparatus therefor for making articles of indefinite length
- B29C39/18—Shaping by casting, i.e. introducing the moulding material into a mould or between confining surfaces without significant moulding pressure; Apparatus therefor for making articles of indefinite length incorporating preformed parts or layers, e.g. casting around inserts or for coating articles
-
- 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
- B29C35/00—Heating, cooling or curing, e.g. crosslinking or vulcanising; Apparatus therefor
- B29C35/02—Heating or curing, e.g. crosslinking or vulcanizing during moulding, e.g. in a mould
- B29C35/08—Heating or curing, e.g. crosslinking or vulcanizing during moulding, e.g. in a mould by wave energy or particle radiation
-
- 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
- B29C41/00—Shaping by coating a mould, core or other substrate, i.e. by depositing material and stripping-off the shaped article; Apparatus therefor
- B29C41/24—Shaping by coating a mould, core or other substrate, i.e. by depositing material and stripping-off the shaped article; Apparatus therefor for making articles of indefinite length
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29D—PRODUCING PARTICULAR ARTICLES FROM PLASTICS OR FROM SUBSTANCES IN A PLASTIC STATE
- B29D7/00—Producing flat articles, e.g. films or sheets
- B29D7/01—Films or sheets
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
- C08F265/00—Macromolecular compounds obtained by polymerising monomers on to polymers of unsaturated monocarboxylic acids or derivatives thereof as defined in group C08F20/00
- C08F265/04—Macromolecular compounds obtained by polymerising monomers on to polymers of unsaturated monocarboxylic acids or derivatives thereof as defined in group C08F20/00 on to polymers of esters
- C08F265/06—Polymerisation of acrylate or methacrylate esters on to polymers thereof
-
- 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
- B29C35/00—Heating, cooling or curing, e.g. crosslinking or vulcanising; Apparatus therefor
- B29C35/02—Heating or curing, e.g. crosslinking or vulcanizing during moulding, e.g. in a mould
- B29C35/08—Heating or curing, e.g. crosslinking or vulcanizing during moulding, e.g. in a mould by wave energy or particle radiation
- B29C35/0805—Heating or curing, e.g. crosslinking or vulcanizing during moulding, e.g. in a mould by wave energy or particle radiation using electromagnetic radiation
- B29C2035/0827—Heating or curing, e.g. crosslinking or vulcanizing during moulding, e.g. in a mould by wave energy or particle radiation using electromagnetic radiation using UV radiation
-
- 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
- B29K2033/00—Use of polymers of unsaturated acids or derivatives thereof as moulding material
- B29K2033/04—Polymers of esters
- B29K2033/08—Polymers of acrylic acid esters, e.g. PMA, i.e. polymethylacrylate
-
- 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
- C08J2333/00—Characterised by the use 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; Derivatives of such polymers
- C08J2333/04—Characterised by the use 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; Derivatives of such polymers esters
- C08J2333/06—Characterised by the use 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; Derivatives of such polymers esters of esters containing only carbon, hydrogen, and oxygen, the oxygen atom being present only as part of the carboxyl radical
Definitions
- the present invention relates to a method for producing an acrylic film and an acrylic film.
- Adhesive products such as adhesive films or adhesive sheets are not only protective films in semiconductor wafer processing processes such as dicing processes or backside grinding processes, but also advertising films, cleaning sheets, reflective sheets, structural adhesive sheets, adhesive sheets for photos, and lane markings. It is frequently used in various industrial sheets or laminate products of a multilayer structure, such as adhesive sheets for optical, adhesive products for optical, adhesive products for electronic parts, medical patches, and the like.
- plastic films such as polyethylene terephthalate (PET), a polyolefin, a polyurethane, ethylene-vinyl acetate, polybutylene terephthalate, a polypropylene, or polyethylene, are mainly used do.
- Such a plastic film is manufactured by melting various thermoplastic resins and applying the molten resin to a T-shaped die, a suction extrusion, or a calendering method.
- the film produced by the extrusion or calendering method has the advantage of excellent productivity and low price.
- An object of this invention is to provide the manufacturing method of an acrylic film, and an acrylic film.
- the present invention as a means for solving the above problems, a first step of forming an acrylic resin syrup; And it provides a method for producing an acrylic film comprising a second step of curing by irradiating ultraviolet light to the acrylic resin syrup formed in the first step.
- the present invention provides another acrylic film produced according to the method of the present invention as another means for solving the above problems.
- the film according to the present invention can be applied to various industrial sheets such as protective films of various semiconductor processes, adhesives or adhesives for optical processes, adhesives or adhesives for electronic components, or laminate products having a multi-layered structure to exert excellent effects. have.
- the present invention the first step of forming an acrylic resin syrup; And It relates to a method for producing an acrylic film comprising a second step of curing by irradiating ultraviolet light to the acrylic resin syrup formed in the first step.
- composition of the acrylic resin syrup used in the first step of the present invention is not particularly limited.
- acrylic polymer acrylic polymer
- Acrylic resin syrup may be used as the reactive monomer and the photoinitiator.
- the composition of the acrylic polymer contained in the acrylic resin syrup is not particularly limited.
- an acrylic polymer having a glass transition temperature of 30 ° C. or more can be used. If the glass transition temperature of the acrylic polymer is less than 30 ° C., the glass transition temperature of the produced film may be too low, or the tack characteristics may be too high, which may limit the use of the film.
- acrylic polymers include, for example, (meth) acrylic acid alkyl esters; (Meth) acrylic acid aryl esters; (Meth) acrylic acid alkoxyalkyl esters; Carboxyl group-containing compounds; Hydroxy group-containing compound; Nitrogen-containing compounds; Glycidyl group-containing compounds; It may be a polymer of a monomer mixture comprising at least one selected from the group consisting of styrenic compounds and carboxylic acid vinyl esters.
- (meth) acrylic acid alkyl esters include methyl (meth) acrylate, ethyl (meth) acrylate, propyl (meth) acrylate, butyl (meth) acrylate, hexyl (meth) acrylate, and cyclohexyl.
- Examples of the (meth) acrylic acid aryl esters include aryl (meth) acrylates such as phenyl (meth) acrylate, benzyl (meth) acrylate or phenoxyethyl (meth) acrylate.
- Examples of (meth) acrylic acid alkoxy alkyl esters include methoxyethyl (meth) acrylate, ethoxymethyl (meth) acrylate, propoxyethyl (meth) acrylate, butoxyethyl (meth) acrylate or ethoxypropyl Alkoxy alkyl (meth) acrylate like (meth) acrylate is mentioned.
- carboxyl group-containing compound examples include (meth) acrylic acid, 2- (meth) acryloyloxy acetic acid, 3- (meth) acryloyloxy propyl acid, 4- (meth) acryloyloxybutyl acid, Acrylic acid duplex, itaconic acid, maleic acid, or maleic anhydride etc. are mentioned.
- Examples of the hydroxy group-containing compound include 2-hydroxyethyl (meth) acrylate, 2-hydroxypropyl (meth) acrylate, 4-hydroxybutyl (meth) acrylate, 6-hydroxyhexyl (meth) acrylate And 8-hydroxyoctyl (meth) acrylate, 2-hydroxyethylene glycol (meth) acrylate or 2-hydroxypropylene glycol (meth) acrylate.
- Examples of the nitrogen-containing monomer include (meth) acrylamide, n-methylol (meth) acrylamide, and the like, and examples of the glycidyl group-containing compound include glycidyl (meth) acrylate and the like.
- Examples of the styrene-based compound include styrene, alpha methyl styrene, and the like, and examples of the carboxylic acid vinyl ester include vinyl acetate, but are not limited thereto.
- the type of the specific monomer included in the monomer mixture and two or more kinds thereof in the various monomers as described above are not particularly limited, and the ratio thereof is not particularly limited, and is freely considered in consideration of the desired glass transition temperature and other polymer properties. Can be selected.
- the method of manufacturing the acrylic polymer containing each said component is not specifically limited.
- it may be prepared by a general polymerization method such as solution polymerization, photopolymerization, bulk polymerization, suspension polymerization or emulsion polymerization.
- a general polymerization method such as solution polymerization, photopolymerization, bulk polymerization, suspension polymerization or emulsion polymerization.
- it is especially preferable to use the solution polymerization method.
- the solution polymerization is preferably carried out at a polymerization temperature of 50 °C to 140 °C by mixing the initiator in a state where each monomer is uniformly mixed.
- Initiators that can be used at this time include azo polymerization initiators such as azobisisobutyronitrile or azobiscyclohexane carbonitrile; And / or conventional initiators such as peroxides such as benzoyl peroxide or acetyl peroxide.
- azo polymerization initiators such as azobisisobutyronitrile or azobiscyclohexane carbonitrile
- initiators such as peroxides such as benzoyl peroxide or acetyl peroxide.
- the acrylic polymer as described above is preferably contained in the resin syrup in an amount of 5 parts by weight to 80 parts by weight with respect to 100 parts by weight of the reactive monomer described later. If the content is less than 5 parts by weight, the ductility of the acrylic film may be excessively increased or may be easily damaged by external impact. Moreover, when the said content exceeds 80 weight part, the hardening degree of a film will fall, it is difficult to maintain a film shape, the viscosity of a syrup increases too much, and there exists a possibility that process efficiency may fall.
- the resin syrup of the present invention contains a reactive monomer capable of diluting the polymer together with the aforementioned acrylic polymer.
- the kind of the reactive monomer which can be used in the above is not particularly limited as long as it has a photopolymerizable double bond in the molecule.
- an acrylic monomer can be used.
- the kind of acryl-type monomer is methyl (meth) acrylate, ethyl (meth) acrylate, n-propyl (meth) acrylate, isopropyl (meth) acrylate, n-butyl (meth) acrylate, t -Butyl (meth) acrylate, sec-butyl (meth) acrylate, pentyl (meth) acrylate, 2-ethylhexyl (meth) acrylate, 2-ethylbutyl (meth) acrylate, n-octyl (meth) Acrylate, isooctyl (meth) acrylate, isobonyl (meth) acrylate, isononyl (meth) acryl
- polar monomers such as nitrogen-containing monomers such as (meth) acrylamide, N-vinyl pyrrolidone or N-vinyl caprolactam and the like can be used
- the resin syrup further includes a photoinitiator together with the above-described components.
- a photoinitiator can control the degree of polymerization of the resin syrup according to the amount used.
- photoinitiators can be used, for example, in an amount of 0.01 to 30 parts by weight based on 100 parts by weight of the aforementioned reactive monomer. This may be controlled in consideration of the degree of polymerization of the syrup and the physical properties of the film, but is not limited to the above range.
- any one can be used as the photoinitiator as long as it can initiate a polymerization reaction through ultraviolet irradiation or the like.
- the kind of photoinitiator that can be used in the present invention is not particularly limited.
- ⁇ -hydroxy ketone compounds (ex. IRGACURE 184, IRGACURE 500, IRGACURE 2959, DAROCUR 1173; Ciba Specialty Chemicals); Phenylglyoxylate compounds (ex. IRGACURE 754, DAROCUR MBF; Ciba Specialty Chemicals); Benzyl dimethyl ketal compounds (ex. IRGACURE 651; Ciba Specialty Chemicals); ⁇ -amino ketone compounds (ex.
- the resin syrup used in the first step of the present invention may also further comprise a thermal initiator, if necessary.
- the thermal initiator may improve the conversion rate of the resin syrup according to the amount of use, and in particular, even if the acrylic film to be produced is made very thick, it is possible to manufacture a film having uniform physical properties.
- thermal initiator which can be used by this invention is not specifically limited.
- 2,2'-azobis (2-methylbutyronitrile), 2,2'-azobis (isobutyronitrile), 2,2'-azobis (2,4- Dimethylvaleronitrile), 4,4-azobis (4-cyanovaleric acid), 1,1'-azobis (cyclohexanecarbonitrile) and 2,2'-azobis (4-methoxy-2, Azo compounds such as 4-dimethylvaleronitrile); Tetramethylbutyl peroxy neodecanoate (ex. Perocta ND, NOF Co., Ltd.), bis (4-butylcyclohexyl) peroxydicarbonate (ex.
- the thermal initiator may be included in the resin syrup in an amount of 0.01 to 10 parts by weight based on 100 parts by weight of the reactive monomer.
- the content of the thermal initiator is only one example of the present invention, it can be freely selected in consideration of the desired conversion rate improvement effect.
- the resin syrup used in the first step of the present invention may further include 0.05 to 50 parts by weight of the crosslinking agent based on 100 parts by weight of the aforementioned reactive monomer.
- a crosslinking agent can improve physical properties such as tensile properties of the acrylic film depending on the amount of use.
- the kind of the crosslinking agent that can be used in the present invention is not particularly limited, and for example, polyfunctional acrylate can be used.
- the kind of polyfunctional acrylate that can be used is not particularly limited.
- the polyfunctional acrylate may be used 0.05 part by weight to 50 parts by weight based on 100 parts by weight of the aforementioned reactive monomer.
- the content is only one example, and in the present invention, the content of the polyfunctional acrylate can be freely controlled in consideration of process efficiency or film properties (eg, glass transition temperature).
- the resin syrup of the present invention in addition to the above-mentioned components, if necessary, one or more additives selected from the group consisting of thermally conductive additives, flame retardants, pigments, antioxidants, ultraviolet stabilizers, dispersants, antifoaming agents, thickeners, plasticizers and silane coupling agents It may include as appropriate.
- the resin syrup used in the first step of the present invention can be prepared by appropriately blending the above-mentioned ingredients by methods known in the art.
- this process it is preferable to make solid content concentration of resin syrup 100%, specifically, the said resin syrup to a solventless type.
- solid content concentration of resin syrup 100% specifically, the said resin syrup to a solventless type.
- process efficiency can be improved, and a film having a uniform thickness variation can be produced without bonding of a fish eye or the like.
- a solvent volatilization step is unnecessary, so that a dryer such as a drying oven can be omitted in an actual installation.
- due to the omission of the solvent volatilization process there is no necessity of an environmental facility due to the volatilization of the solvent, and does not cause an environmental pollution problem after the process environment or the process.
- the viscosity of the acrylic resin syrup in the range of about 100 cps to 10,000 cps. By controlling the resin syrup in the above-described range, more efficient process can be performed.
- a resin syrup prepared in the above manner is formed.
- the method of forming a resin syrup is not specifically limited,
- the casting method can be applied.
- the resin is applied on a suitable process substrate by conventional means such as a bar coat, knife coat, roll coat, spray coat, gravure coat, curtain coat, comma coat and / or lip coat.
- a film forming process can be performed.
- the present invention after casting the above-mentioned resin syrup in a liquid state on an appropriate process substrate, it is possible to produce an acrylic film by forming a film and removing the process substrate.
- the stress applied to the resin during film formation is minimized, and the dimensional change due to the passage of time or heating does not occur.
- the removal of solid impurities is easy, and the occurrence of a fish eye or the like in the film formed is suppressed, whereby the uniformity and thickness precision of the film thickness can be improved.
- the stress relieving property of the film can be improved, and thus, the residual stress generated when adhered to the adherend can be quickly resolved.
- the kind of process base material which can be used in the said film forming process is not specifically limited.
- a conventional plastic substrate ex. PET substrate
- paper, nonwoven fabric, glass or metallic substrate can be used.
- it can also be used by performing a suitable release treatment to the above-described process substrate.
- the second step of the present invention is a step of polymerizing the resin syrup by curing ultraviolet ray by curing the resin syrup formed in the first step.
- the method of irradiating ultraviolet rays is not particularly limited.
- high pressure mercury lamps, electrodeless lamps or xenon lamps may be used.
- the second step of the present invention may be carried out by irradiating ultraviolet light (wavelength: 230 nm to 400 nm) having an illuminance of 5 mW / cm 2 to 200 mW / cm 2 for about 2 seconds to 20 minutes.
- the amount of ultraviolet light can be controlled within the range of 4 mJ / cm 2 to 2,000 mJ / cm 2 .
- the ultraviolet irradiation condition is merely one example of the present invention. That is, in this invention, the ultraviolet irradiation conditions of a 2nd step can be changed freely within the range of sufficient hardening of a resin syrup, without compromising all physical properties.
- the thermal initiator may participate in the polymerization reaction by heat generated in the reaction system in the UV irradiation process.
- suitable heat may be applied to the resin syrup by means such as hot air or infrared heating during or after the above UV irradiation process.
- an acryl film can be manufactured by removing a process base material in a suitable manner after hardening a resin syrup by said method.
- the invention also relates to an acrylic film produced by the process according to the invention described above.
- a liquid resin syrup preferably a resin syrup having a solid content concentration of 100%
- a film is cast and cured to prepare a film, thereby providing thickness uniformity, high temperature dimensional stability, cutting property, and stress relaxation.
- a film having improved physical properties such as properties and transparency can be obtained.
- the acrylic film produced according to the present invention as well as protective films used in various semiconductor processes such as dicing or backgrinding, as well as various industrial sheets, for example, protective films, advertising films, cleaning It can be effectively used as a base film used in a sheet, a reflective sheet, a structural adhesive sheet, a photographic adhesive sheet, a lane-sensitive adhesive sheet, an optical adhesive product, or an adhesive product for electronic components.
- the film of the present invention can be effectively applied to a laminate product of a multilayer structure, for example, a general commercial adhesive product, a medical patch or a heat activated pressure-sensitive adhesive.
- the film of the present invention can be appropriately controlled in the range of 0.02 mm to 3.0 mm, preferably 0.05 mm to 1.0 mm.
- the thickness uniformity may be lowered.
- the amount of UV irradiation or heat applied necessary for curing the resin syrup may increase excessively.
- damage may occur to the produced film, or the physical properties of the inside and the surface of the film may not be uniform.
- methyl methacrylate As the reactive monomer, 50 parts by weight of poly (methyl methacrylate) having a weight average molecular weight of 100,000 as the acrylic polymer was dispersed and stirred for 30 minutes or more. Thereafter, 5 parts by weight of (2,4,6-trimethyl benzoyl) diphenyl phosphine oxide (TPO) was mixed as a photoinitiator to the prepared mixture, and further stirred for 30 minutes or more to give a resin syrup having a solid concentration of 100%.
- TPO (2,4,6-trimethyl benzoyl) diphenyl phosphine oxide
- a resin syrup prepared on a PET substrate having a thickness of 38 ⁇ m was coated with a knife coater (coating thickness: 150 ⁇ m).
- the film-formed resin syrup was placed under a metal halide lamp and cured by irradiating 10 mW / cm 2 ultraviolet rays for about 3 minutes to prepare an acrylic film.
- Resin syrup was prepared by combining 50 parts by weight of poly (methyl methacrylate) and 5 parts by weight of (2,4,6-trimethyl benzoyl) diphenyl phosphine oxide (TPO) based on 100 parts by weight of butyl acrylate as the reactive monomer. Except for the preparation, an acrylic film was prepared in the same manner as in Example 1.
- An acrylic film prepared in Example was cut to a size of 10 cm x 10 cm to prepare a specimen, and the weight thereof was measured. Subsequently, the prepared specimen was left in a hot air oven at 110 ° C. for 1 hour. Thereafter, the weight of the acrylic film left in the hot air oven was measured, and the weight loss value was converted into percent to measure the conversion rate.
- the thickness uniformity is excellent, and there is no variation in the physical properties of the vertical axis and the horizontal axis. It could be confirmed that the film is more than 95%. In particular, it was confirmed that the conversion rate is increased when the dual curing method is employed by simultaneously including the photoinitiator and the thermal initiator in the resin syrup.
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Health & Medical Sciences (AREA)
- Manufacturing & Machinery (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Materials Engineering (AREA)
- Mechanical Engineering (AREA)
- Toxicology (AREA)
- Physics & Mathematics (AREA)
- Oral & Maxillofacial Surgery (AREA)
- Thermal Sciences (AREA)
- Manufacture Of Macromolecular Shaped Articles (AREA)
- Adhesive Tapes (AREA)
- Adhesives Or Adhesive Processes (AREA)
- Laminated Bodies (AREA)
- Heating, Cooling, Or Curing Plastics Or The Like In General (AREA)
- Polymerisation Methods In General (AREA)
- Graft Or Block Polymers (AREA)
Abstract
Description
Claims (20)
- 아크릴계 수지 시럽을 제막하는 제 1 단계; 및 제 1 단계에서 제막된 아크릴계 수지 시럽에 자외선을 조사하여 경화시키는 제 2 단계를 포함하는 아크릴 필름의 제조 방법.
- 제 1 항에 있어서, 아크릴 수지 시럽은, 아크릴계 중합체; 반응성 단량체 및 광개시제를 포함하는 아크릴 필름의 제조 방법.
- 제 2 항에 있어서, 아크릴 중합체는 유리전이온도가 30℃ 이상인 아크릴 필름의 제조 방법.
- 제 2 항에 있어서, 아크릴 중합체는, (메타)아크릴산 알킬 에스테르; (메타)아크릴산 아릴 에스테르; (메타)아크릴산 알콕시알킬 에스테르; 카복실기 함유 화합물; 히드록시기 함유 화합물; 질소 함유 화합물; 글리시딜기 함유 화합물; 스티렌계 화합물 및 카르본산 비닐 에스테르로 이루어진 군으로부터 선택된 하나 이상을 포함하는 단량체 혼합물의 중합체인 아크릴 필름의 제조 방법.
- 제 2 항에 있어서, 수지 시럽은 반응성 단량체 100 중량부에 대하여, 5 중량부 내지 80 중량부의 아크릴계 중합체를 포함하는 아크릴 필름의 제조 방법.
- 제 2 항에 있어서, 반응성 단량체는 알킬 (메타)아크릴레이트; 알리시클릭(메타)아크릴레이트; 방향족 (메타)아크릴레이트; 및 헤테로시클릭 (메타)아크릴레이트로 이루어진 군으로부터 선택된 하나 이상을 포함하는 아크릴 필름의 제조 방법.
- 제 2 항에 있어서, 반응성 단량체는 히드록시기 함유 단량체; 카복실기 함유 단량체; 및 질소 함유 단량체로 이루어진 군으로부터 선택된 하나 이상의 극성 단량체를 포함하는 아크릴 필름의 제조 방법.
- 제 2 항에 있어서, 수지 시럽은 반응성 단량체 100 중량부에 대하여, 0.01 중량부 내지 30 중량부의 광개시제를 포함하는 아크릴 필름의 제조 방법.
- 제 2 항에 있어서, 광개시제는 α-히드록시케톤계 화합물; 페닐글리옥실레이트계 화합물; 벤질디메틸케탈계 화합물; α-아미노케톤계 화합물; 모노아실포스핀계 화합물; 비스아실포스펜계 화합물; 포스핀옥시드계 화합물; 및 메탈로센계 화합물로 이루어진 군으로부터 선택된 하나 이상인 아크릴 필름의 제조 방법.
- 제 2 항에 있어서, 수지 시럽은 열개시제를 추가로 포함하는 아크릴 필름의 제조 방법.
- 제 10 항에 있어서, 열개시제는 아조계 화합물, 퍼옥시계 화합물, tert-부틸퍼아세테이트, 퍼아세틱산 및 포타슘 퍼술페이트로 이루어진 군으로부터 선택된 하나 이상인 아크릴 필름의 제조 방법.
- 제 2 항에 있어서, 수지 시럽은 가교제를 추가로 포함하는 아크릴 필름의 제조 방법.
- 제 12 항에 있어서, 가교제가 다관능 아크릴레이트인 아크릴 필름의 제조 방법.
- 제 1 항에 있어서, 수지 시럽은 고형분 농도가 100%인 아크릴 필름의 제조 방법.
- 제 1 항에 있어서, 수지 시럽은 점도가 100 cps 내지 10,000 cps인 아크릴 필름의 제조 방법.
- 제 1 항에 있어서, 제 1 단계를 수지 시럽을 기재상에 코팅하여 수행하는 아크릴 필름의 제조 방법.
- 제 1 항에 있어서, 제 2 단계를 조도가 5 mW/cm2 내지 200 mW/cm2 인 자외선을 2초 내지 20분 동안 조사하여 수행하는 아크릴 필름의 제조 방법.
- 제 1 항에 있어서, 제 2 단계에서 수지 시럽에 열을 인가하는 공정을 추가로 수행하는 아크릴 필름의 제조 방법.
- 제 1 항 내지 제 18 항 중 어느 한 항에 따른 방법으로 제조된 아크릴 필름.
- 제 19 항에 있어서, 두께가 0.02 mm 내지 3.0 mm인 아크릴 필름.
Priority Applications (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US13/386,478 US8710112B2 (en) | 2009-08-25 | 2010-08-16 | Method of manufacturing acrylic film, and acrylic film |
| CN201080031629.2A CN102471508B (zh) | 2009-08-25 | 2010-08-16 | 丙烯酸薄膜的制备方法及丙烯酸薄膜 |
| JP2012526625A JP2013503233A (ja) | 2009-08-25 | 2010-08-16 | アクリルフィルムの製造方法及びアクリルフィルム |
| EP10812183.1A EP2471849A4 (en) | 2009-08-25 | 2010-08-16 | PROCESS FOR PREPARING AN ACRYLIC FILM AND ACRYLIC FILM |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR10-2009-0078978 | 2009-08-25 | ||
| KR1020090078978A KR101242237B1 (ko) | 2009-08-25 | 2009-08-25 | 아크릴 필름의 제조 방법 및 아크릴 필름 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| WO2011025169A2 true WO2011025169A2 (ko) | 2011-03-03 |
| WO2011025169A3 WO2011025169A3 (ko) | 2011-06-03 |
Family
ID=43628542
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| PCT/KR2010/005396 Ceased WO2011025169A2 (ko) | 2009-08-25 | 2010-08-16 | 아크릴 필름의 제조 방법 및 아크릴 필름 |
Country Status (7)
| Country | Link |
|---|---|
| US (1) | US8710112B2 (ko) |
| EP (1) | EP2471849A4 (ko) |
| JP (1) | JP2013503233A (ko) |
| KR (1) | KR101242237B1 (ko) |
| CN (1) | CN102471508B (ko) |
| TW (1) | TWI500666B (ko) |
| WO (1) | WO2011025169A2 (ko) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20150183909A1 (en) * | 2012-07-30 | 2015-07-02 | Lg Hausys, Ltd. | Curable resin composition, method for curing same, and sheet manufactured therefrom |
Families Citing this family (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR101908740B1 (ko) | 2013-09-27 | 2018-10-17 | 주식회사 엘지화학 | 도너 필름용 이중 경화성 수지 조성물, 도너 필름 및 도너 필름의 제조 방법 |
| JP6334223B2 (ja) * | 2014-03-26 | 2018-05-30 | リンテック株式会社 | 粘着シート |
| EP2957577B1 (en) * | 2014-06-19 | 2019-11-27 | 3M Innovative Properties Company | Curable pressure-sensitive adhesive compositions |
| KR20150145627A (ko) | 2014-06-20 | 2015-12-30 | 에스앤티중공업 주식회사 | 박격포 및 박격포 탑재 차량 간 내부충돌 방지장치 |
| KR101931839B1 (ko) * | 2014-08-26 | 2018-12-21 | (주)엘지하우시스 | Uv 개시제를 이용한 폴리아크릴레이트 시트의 제조방법 |
| CN106739033A (zh) * | 2016-11-24 | 2017-05-31 | 上海迈高新材料科技有限公司 | 一种用于热熔结合的七层共挤膜及制备方法 |
| JP6742256B2 (ja) * | 2017-02-16 | 2020-08-19 | 株式会社菱晃 | 硬化性樹脂組成物及びその硬化物、並びにコーティング材、シート及びフィルム |
| KR101937566B1 (ko) * | 2017-05-24 | 2019-01-10 | 동우 화인켐 주식회사 | 광학투명점착시트, 이를 제조하기 위한 조성물 및 이를 이용한 표시장치 |
| FR3078537B1 (fr) | 2018-03-05 | 2021-01-01 | Arkema France | Composition de precurseur pour composites thermoplastiques acryliques et ses procedes de preparation et utilisation |
| KR102239210B1 (ko) | 2018-06-04 | 2021-04-09 | 주식회사 엘지화학 | 백 그라인딩 테이프 |
| KR20220038111A (ko) | 2019-07-19 | 2022-03-25 | 아르끄마 프랑스 | 비-감작성 경화된 제품을 얻는 데 유용한 경화 가능한 조성물 |
| FR3105228B1 (fr) * | 2019-12-18 | 2021-11-26 | Arkema France | Composition comprenant un hemiperoxyacetal, son procédé de polymérisation, son utilisation et matériau de composition obtenu après polymérisation de la composition |
| CN114517070B (zh) * | 2022-02-25 | 2022-12-09 | 四川中久国峰科技有限公司 | 高纯度丙烯酸酯类胶粘剂及其制备方法、用途、光学透明膜片及制备方法 |
| KR20240107526A (ko) * | 2022-12-30 | 2024-07-09 | (주)티엠에스 | 광학용 점착제 조성물 및 이를 이용한 점착시트 |
Family Cites Families (21)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3772062A (en) | 1971-11-16 | 1973-11-13 | Inmont Corp | Ultra-violet curable coating compositions |
| US4379201A (en) * | 1981-03-30 | 1983-04-05 | Minnesota Mining And Manufacturing Company | Multiacrylate cross-linking agents in pressure-sensitive photoadhesives |
| US4605465A (en) * | 1982-04-26 | 1986-08-12 | W. R. Grace & Co. | UV and thermally curable, thermoplastic-containing compositions |
| JP3134739B2 (ja) * | 1995-11-01 | 2001-02-13 | 三菱化学エムケーブイ株式会社 | 農業用ポリエチレンテレフタレートフィルム |
| JP4636513B2 (ja) | 1996-05-30 | 2011-02-23 | 日東電工株式会社 | 熱硬化型感圧性接着剤とその接着シ―ト類 |
| JP2003192721A (ja) * | 2001-12-28 | 2003-07-09 | Soken Chem & Eng Co Ltd | 高粘弾性樹脂用のアクリルシロップ組成物、そのシロップを用いる高粘弾性成形体及びその用途、高粘弾性アクリルシートの製造方法 |
| JP2003253225A (ja) * | 2002-02-27 | 2003-09-10 | Sekisui Chem Co Ltd | 粘着フィルムの製造方法及び粘着剤用液状組成物 |
| JP2003342331A (ja) * | 2002-05-27 | 2003-12-03 | Soken Chem & Eng Co Ltd | アクリルシロップ樹脂組成物、それを用いるuv硬化アクリルシート及びその製造方法。 |
| JP4578074B2 (ja) * | 2003-08-08 | 2010-11-10 | スリーエム イノベイティブ プロパティズ カンパニー | 非ハロゲン系難燃性アクリル系粘着シート又はテープ |
| TWI302561B (en) * | 2004-01-28 | 2008-11-01 | Lg Chemical Ltd | Releasable adhesive composition |
| JP4817675B2 (ja) * | 2005-03-02 | 2011-11-16 | スリーエム イノベイティブ プロパティズ カンパニー | (メタ)アクリル系フィルム、及びそれを用いたマーキングフィルム、レセプターシート |
| JP2006273939A (ja) * | 2005-03-28 | 2006-10-12 | Toray Coatex Co Ltd | アクリル系エネルギー線硬化型樹脂組成物、該組成物を用いた樹脂製品の製造方法 |
| JP4284469B2 (ja) * | 2005-05-23 | 2009-06-24 | 綜研化学株式会社 | アクリルシロップ樹脂組成物、それを用いるuv硬化アクリルシート及びその製造方法。 |
| US20070191506A1 (en) * | 2006-02-13 | 2007-08-16 | 3M Innovative Properties Company | Curable compositions for optical articles |
| US20090169817A1 (en) * | 2006-06-02 | 2009-07-02 | Nitto Denko Corporation | Polymer articles with Polymer layer containing incompatible material unevenly distributed and surface-roughened tape or sheet comprising the polymer articles |
| JP5060834B2 (ja) * | 2006-06-02 | 2012-10-31 | 日東電工株式会社 | 非相溶性物質偏在ポリマー層を有するポリマー部材、及び該ポリマー部材からなる表面凹凸テープ又はシート |
| US20080176972A1 (en) * | 2007-01-19 | 2008-07-24 | David Hews | Radiation cured elastomeric urethane acrylate films and the process for making same |
| KR100869119B1 (ko) * | 2007-04-17 | 2008-11-17 | 주식회사 훼라아트 | 가발 고정 장치 및 가발 |
| US20100151241A1 (en) * | 2008-04-14 | 2010-06-17 | 3M Innovative Properties Company | 2-Octyl (Meth)acrylate Adhesive Composition |
| JP5480477B2 (ja) * | 2008-05-23 | 2014-04-23 | 日東電工株式会社 | 粘着剤組成物、粘着シートおよびその製造方法 |
| KR101236569B1 (ko) * | 2008-09-24 | 2013-02-22 | 주식회사 엘지화학 | 수지 시럽의 제조 방법 |
-
2009
- 2009-08-25 KR KR1020090078978A patent/KR101242237B1/ko not_active Expired - Fee Related
-
2010
- 2010-08-16 EP EP10812183.1A patent/EP2471849A4/en not_active Withdrawn
- 2010-08-16 JP JP2012526625A patent/JP2013503233A/ja active Pending
- 2010-08-16 CN CN201080031629.2A patent/CN102471508B/zh not_active Expired - Fee Related
- 2010-08-16 WO PCT/KR2010/005396 patent/WO2011025169A2/ko not_active Ceased
- 2010-08-16 US US13/386,478 patent/US8710112B2/en not_active Expired - Fee Related
- 2010-08-25 TW TW099128542A patent/TWI500666B/zh not_active IP Right Cessation
Non-Patent Citations (2)
| Title |
|---|
| None |
| See also references of EP2471849A4 |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20150183909A1 (en) * | 2012-07-30 | 2015-07-02 | Lg Hausys, Ltd. | Curable resin composition, method for curing same, and sheet manufactured therefrom |
| US10590217B2 (en) * | 2012-07-30 | 2020-03-17 | Lg Hausys, Ltd. | Curable resin composition, method for curing same, and sheet manufactured therefrom |
Also Published As
| Publication number | Publication date |
|---|---|
| EP2471849A2 (en) | 2012-07-04 |
| JP2013503233A (ja) | 2013-01-31 |
| US8710112B2 (en) | 2014-04-29 |
| CN102471508A (zh) | 2012-05-23 |
| KR101242237B1 (ko) | 2013-03-12 |
| WO2011025169A3 (ko) | 2011-06-03 |
| TWI500666B (zh) | 2015-09-21 |
| CN102471508B (zh) | 2015-07-01 |
| KR20110021276A (ko) | 2011-03-04 |
| US20120121881A1 (en) | 2012-05-17 |
| TW201107383A (en) | 2011-03-01 |
| EP2471849A4 (en) | 2015-08-19 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| KR101242237B1 (ko) | 아크릴 필름의 제조 방법 및 아크릴 필름 | |
| KR101371909B1 (ko) | 점착제 조성물 및 상기를 포함하는 점착 시트 | |
| KR102543355B1 (ko) | 광학 부재용 점착제층, 점착제층을 갖는 광학 부재 및 화상 표시 장치 | |
| TWI829805B (zh) | 黏著片材及其製造方法、以及圖像顯示裝置之製造方法 | |
| TWI735646B (zh) | 丙烯酸系黏著劑組成物、黏著劑及黏著片 | |
| US20130165610A1 (en) | Pressure-sensitive adhesive sheet for glass plates | |
| WO2016002763A1 (ja) | 光学装置構成用部材のリサイクル方法および光学装置構成用積層体のリワーク性評価方法 | |
| WO2013172633A1 (ko) | 점착 제품의 제조 방법 | |
| TWI542606B (zh) | 固化性樹脂組合物及其固化方法以及由該固化方法製備的薄片 | |
| KR101236569B1 (ko) | 수지 시럽의 제조 방법 | |
| JP2015523452A5 (ko) | ||
| CN113056538B (zh) | 粘合剂组合物和粘合剂膜 | |
| TW202221070A (zh) | 附隔離件之光學黏著片材 | |
| KR102967573B1 (ko) | 광학 점착 시트 | |
| KR102967567B1 (ko) | 광학 점착 시트 | |
| KR20250177402A (ko) | 광학 점착 시트 | |
| TW202219211A (zh) | 附隔離件之光學黏著片材 | |
| JPH08269411A (ja) | 粘着シ―ト類の製造方法 | |
| KR20250176584A (ko) | 광학 점착 시트 | |
| TW202231473A (zh) | 隔離件 |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| WWE | Wipo information: entry into national phase |
Ref document number: 201080031629.2 Country of ref document: CN |
|
| 121 | Ep: the epo has been informed by wipo that ep was designated in this application |
Ref document number: 10812183 Country of ref document: EP Kind code of ref document: A2 |
|
| WWE | Wipo information: entry into national phase |
Ref document number: 2010812183 Country of ref document: EP |
|
| WWE | Wipo information: entry into national phase |
Ref document number: 13386478 Country of ref document: US |
|
| WWE | Wipo information: entry into national phase |
Ref document number: 2012526625 Country of ref document: JP |
|
| NENP | Non-entry into the national phase |
Ref country code: DE |
