WO2003068854A1 - Film applique - Google Patents

Film applique Download PDF

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Publication number
WO2003068854A1
WO2003068854A1 PCT/JP2003/001630 JP0301630W WO03068854A1 WO 2003068854 A1 WO2003068854 A1 WO 2003068854A1 JP 0301630 W JP0301630 W JP 0301630W WO 03068854 A1 WO03068854 A1 WO 03068854A1
Authority
WO
WIPO (PCT)
Prior art keywords
film
coating layer
coating
polyester
compound
Prior art date
Application number
PCT/JP2003/001630
Other languages
English (en)
French (fr)
Japanese (ja)
Inventor
Toshihiro Koda
Masato Fujita
Original Assignee
Mitsubishi Polyester Film Corporation
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Mitsubishi Polyester Film Corporation filed Critical Mitsubishi Polyester Film Corporation
Priority to KR10-2004-7011993A priority Critical patent/KR20040086334A/ko
Publication of WO2003068854A1 publication Critical patent/WO2003068854A1/ja

Links

Classifications

    • 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
    • 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
    • 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
    • C08J7/044—Forming conductive coatings; Forming coatings having anti-static properties
    • 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
    • C08J7/00—Chemical treatment or coating of shaped articles made of macromolecular substances
    • C08J7/08—Heat treatment
    • 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
    • C08J2323/00—Characterised by the use of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Derivatives of such polymers
    • C08J2323/02—Characterised by the use of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Derivatives of such polymers not modified by chemical after treatment
    • C08J2323/04—Homopolymers or copolymers of ethene
    • C08J2323/06—Polyethene
    • 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
    • C08J2429/00—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 at least one being terminated by an alcohol, ether, aldehydo, ketonic, acetal, or ketal radical; Hydrolysed polymers of esters of unsaturated alcohols with saturated carboxylic acids; Derivatives of such polymer
    • C08J2429/02—Homopolymers or copolymers of unsaturated alcohols
    • C08J2429/04—Polyvinyl alcohol; Partially hydrolysed homopolymers or copolymers of esters of unsaturated alcohols with saturated carboxylic acids

Definitions

  • the present invention relates to a coating film having good antistatic performance, preventing adhesion of dust and the like, and having few optical defects.
  • biaxially stretched polyester films have excellent properties such as mechanical strength, dimensional stability, flatness, heat resistance, chemical resistance, and transparency, they are used for base films of magnetic recording media, films for plate making, and packaging. It is used for a wide range of applications, including films and optical films.
  • plastic films generate static electricity and are easily charged, which causes problems such as poor running performance of processed films or processed products, and the attraction of dust around the film.
  • an antistatic method for a polyester film a method of kneading a compound of a low molecular weight anionic surfactant type such as an organic sulfonate, a method of vapor-depositing a metal compound, an anionic compound and a cationic compound, Alternatively, there is a method of applying a so-called conductive compound to the surface.
  • a compound of a low molecular weight anionic surfactant type such as an organic sulfonate
  • a method of vapor-depositing a metal compound, an anionic compound and a cationic compound Alternatively, there is a method of applying a so-called conductive compound to the surface.
  • the method of kneading an anionic compound has the advantage that it can be manufactured at low cost, but has a limit in the antistatic effect. Furthermore, since a low molecular weight compound is used, the anionic compound is collected on the polyester film surface by so-called blooming, and the adhesive force between the polyester film and the overcoat layer is reduced, or the anionic compound is transferred to the film or the transport roll. Or other problems. This also reduces the durability of the antistatic performance.
  • the method of depositing metal compounds has excellent antistatic properties, and in recent years, transparent conductive films Although its use is expanding as a system, its manufacturing cost is high and it is suitable for specific uses, but it is difficult to use it as a general antistatic film.
  • the method of applying a conductive compound such as a conductive resin has a comparatively good antistatic effect and has an advantage that it can be manufactured relatively inexpensively, but has a drawback that the transparency of the film is deteriorated.
  • a method for producing a biaxially stretched polyester film having a coating layer a method of applying a film in a film production process is widely used, particularly from the viewpoint of economy and characteristics.
  • polyester films have become more diverse. For example, if the polyester films are left at a high temperature of 100 ° C or more, they will leach out from inside the film surface Since such oligomers are precipitated, various problems are caused by processing or using the film under such conditions.
  • methods for preventing the precipitation of oligomers include reducing the amount of oligomers contained in the raw material by solid-phase polymerization, and improving the hydrolysis resistance of polyester films by using terminal blocking agents.
  • reducing the amount of oligomers contained in the raw material by solid-phase polymerization and improving the hydrolysis resistance of polyester films by using terminal blocking agents.
  • terminal blocking agents there is a problem that the prevention of the precipitation of oligosaccharides is not satisfied or the production cost becomes too high.
  • the present invention has been made in view of the above circumstances, and a problem to be solved is a polyester having excellent antistatic performance, preventing adhesion of dust and the like, and having few optical defects. To provide film.
  • the present inventors have made intensive studies on the above problems, and as a result, have found that the provision of a coating layer having a specific configuration can solve the above problems, and have completed the present invention.
  • the gist of the present invention is a polyester film having a coating layer on one side, wherein the surface specific resistance of the coating layer surface is 1 ⁇ 10 13 ⁇ or less, and the film is kept at 180 ° C. at 30 ° C.
  • the amount of the polyester oligomer on the surface of the coating layer after the heat treatment for one minute is not more than eight times the amount of the polyester oligomer before the heat treatment.
  • the polyester constituting the polyester film of the present invention is a polyester obtained by polycondensation of a dicarboxylic acid component and a glycol component.
  • dicarboxylic acid components include terephthalic acid, isophthalic acid, phthalic acid, 2,6-naphthalenedicarboxylic acid, adipic acid, sebacic acid, 4,4, diphenyldicarboxylic acid, 1,4-cyclohexyldicarboxylic acid
  • the glycol component include ethylene glycol, diethylene glycol, triethylene glycol, propylene glycol, butanediol, trimethylene glycol, tetramethylene glycol, neopentyl glycol, 1,4-cyclohexane dimethanol, and the like.
  • polyester used in the present invention include polyethylene terephthalate, polyethylene-1,6-naphthalate, poly-1,4-cyclohexanedimethylene terephthalate, and the like. It may be a polyester obtained by copolymerizing an acid component and a glycol component, and may contain other components and additives as necessary.
  • the polyester film of the present invention has an easy-to-use Particles may be included for the purpose of imparting lubricity.
  • Particles used for such purposes include, for example, silica, calcium carbonate, magnesium carbonate, calcium phosphate, kaolin, talc, aluminum oxide, titanium oxide, alumina, barium sulfate, calcium fluoride, lithium fluoride, zeolite And inorganic particles such as molybdenum sulfide, crosslinked polymer particles, organic particles such as calcium oxalate, and precipitated particles during the polyester production process.
  • the particle size and content of the particles used are selected according to the application and purpose of the film, but the average particle size is usually 0.005 to 5.0 m, preferably 0.01 to 3.0 m. Range. If the average particle size exceeds 5.0 m, the surface roughness of the film may become too rough, or the particles may easily fall off the film surface. If the average particle size is less than 0.005, the surface roughness may be too small to provide sufficient lubricity.
  • the particle content is usually from 0.001 to 30.0% by weight, preferably from 0.01 to 10.0% by weight, based on polyester. When the particle amount is large, the mechanical properties and transparency of the film tend to be impaired, and when it is small, the lubricity tends to be poor.
  • additives may be added in addition to the above particles.
  • additives include, for example, antistatic agents, stabilizers, lubricants, crosslinking agents, antiblocking agents, antioxidants, dyes, pigments, light-blocking agents, and ultraviolet absorbers.
  • the polyester film in the present invention may have a multilayer structure as long as it satisfies the requirements of the present invention.
  • the polyester film may include a layer other than polyester.
  • the coating layer is provided on only one side or both sides of the film is naturally included in the concept of the present invention, and at least one side of the coating layer satisfies the requirements of the present invention. I just need.
  • the polyester film of the present invention is a coating film characterized in that the surface resistivity of the surface of the coating layer is 1 ⁇ 10 13 ⁇ or less. It is 1 ⁇ 10 12 ⁇ or less, more preferably 1 ⁇ 10 10 ⁇ or less. Surface intrinsic resistance When the pile exceeds 1 ⁇ 10 13 ⁇ , when unwinding a film wound in a roll, or when sequentially transporting a stack of single films, adhesion and processing of films are performed. Causes problems such as defects, adhesion of foreign matter and dust.
  • the amount of the polyester oligomer on the surface of the coating layer after heat-treating the film at 180 ° C. for 30 minutes is 8 times or less of the value before performing the heat treatment. It is preferable that the amount of the polyester oligomer on the surface of the coating layer after heat treatment at 180 ° C. for 30 minutes is 3.0 O mg Zm 2 or less.
  • the use of the polyester film is limited.
  • a polyester film provided with a release layer is provided with an adhesive layer and bonded to another member, and then used as a release film in which the polyester film and the release layer are removed, oligomers precipitated from the film may be used.
  • crystallization occurs in the adhesive layer, which causes optical defects such as ⁇ points.
  • the appearance is impaired by haze-up, and when an overcoat layer is used, the adhesion to the overcoat layer is reduced, or the processing equipment is soiled and the productivity is reduced. The problem mentioned above occurs.
  • the polyester film is provided with a coating layer having a performance of lowering the surface resistivity and sealing the deposition of the oligomer.
  • a coating layer having a performance of lowering the surface resistivity and sealing the deposition of the oligomer.
  • a compound having a quaternary ammonium base or polyvinyl alcohol is preferably used as a component constituting the coating layer provided on the film.
  • the compound having a quaternary ammonium base refers to a compound having a constituent element containing a quaternary ammonium base in the main chain or side chain in the molecule.
  • constituents include a pyrrolidinium ring, a quaternized alkylamine, a copolymer thereof with acrylic acid and methacrylic acid, a quaternized N-alkylaminoacrylamide, and vinylbenzyltrimethylammonium. Salt, 2-hydroxy 3 — Methacryloxypropyltrimethylammonium salt and the like. Further, these may be combined or copolymerized with another resin.
  • the compound having a quaternary ammonium base is preferably a polymer compound. If the molecular weight is too low, it may be easily removed from the coating layer, causing a deterioration in performance over time, or the coating layer may be sticky. When the molecular weight is low, the heat stability may be poor. In order to avoid such problems, the number average molecular weight of the compound having a quaternary ammonium base is usually at least 100, more preferably at least 200, and particularly at least 500. desirable. On the other hand, when the molecular weight of such a compound is too high, there may be a problem that the viscosity of the coating solution becomes too high. In order not to cause such problems, the number average molecular weight is preferably 5,000 or less.
  • the polyvinyl alcohol used in the present invention can be synthesized by a usual polymerization reaction, and is preferably water-soluble.
  • polyvinyl alcohol degree of polymerization of polyvinyl alcohol is not particularly limited, it is usually 1
  • the degree of saponification of polyvinyl alcohol is not particularly limited, but is usually a saponified polyvinyl acetate of 70 mol% or more, preferably 80 mol% or more and 99.9 mol% or less. Used above.
  • one or more water-soluble or water-dispersible binder-resin other than those described above can be used in the coating layer, if necessary.
  • a binder resin include polyester, polyurethane, acryl resin, vinyl resin, epoxy resin, and amide resin. Each of these may have a substantially complex structure in which the respective skeletal structures are copolymerized. Has a composite structure
  • the binder resin include acrylic resin graft polyester, acrylic resin graft polyurethane, vinyl resin graft polyester, vinyl resin graft polyurethane, and the like.
  • a crosslinking reactive compound may be contained.
  • the cross-linking conjugate improves the cohesiveness, surface hardness, abrasion resistance, solvent resistance, and water resistance of the coating layer by mainly performing a cross-linking reaction with the functional groups contained in the components of the coating layer. It is preferable that you can.
  • the coating layer of the film of the present invention includes a surfactant, an antifoaming agent, a coating improver, a thickener, an antistatic agent, an organic lubricant, organic particles, inorganic particles, an antioxidant, an ultraviolet absorber, and foaming. It may contain additives such as agents, dyes and pigments. These additives may be used alone or in combination of two or more as necessary.
  • the proportion of the compound having a quaternary ammonium base in the constituent components of the coating layer is usually 10 to 99% by weight, preferably 20 to 95% by weight. If the ratio is too high or too low, the desired antistatic performance and oligomer-precipitating ability may not be obtained.
  • the coating solution used in the present invention is preferably an aqueous solution or a water dispersion in terms of handling and working environment.
  • water is the main medium, and an organic solvent is used as long as it does not exceed the gist of the present invention. It may be contained.
  • the solid content of the coating solution is not particularly limited, but is usually 3 to 65% by weight, preferably 0.5 to 30% by weight, and more preferably 1 to 20% by weight. When the concentration is too high or too low, it may be difficult to provide a coating layer having a thickness necessary for sufficiently exhibiting the function.
  • the thickness of the coating layer is dry thickness, usually between 0.003 and 1.5 m, preferably between 0.05 and 0.5 / m, more preferably between 0.01 and 0.3 m. is there. If the thickness of the coating layer is less than 0.003 m, sufficient performance may not be obtained, and if it exceeds 1.5 / m, blocking between the films tends to occur.
  • the method of providing a coating layer on a polyester film is as follows.
  • a method of applying a coating liquid during the manufacturing process is suitably employed.
  • the polyester film was left in an oven at 180 ° C for 30 minutes in a nitrogen atmosphere for heat treatment.
  • DMF dimethylformamide
  • the recovered DMF is supplied to liquid chromatography (Shimadzu LC-7A) to determine the amount of oligomers of polyester in DMF, and the value of the amount of oligomers is divided by the area of the film to which DMF has been contacted to obtain the oligomer on the film surface. Amount (mg / m 2 ).
  • the film is heat-treated at 180 ° C for 30 minutes by the method described in (2) above.
  • the amount of oligomer on the film surface is measured by the method described in (3) above.
  • the release layer shown in the following (R-1) was provided so that the coating amount was 0.1 g / m 2 (after drying) to obtain a release film.
  • an acrylic pressure-sensitive adhesive was applied on the release layer, and dried at 180 ° C. for 5 minutes to provide a 20-m-thick pressure-sensitive adhesive layer.
  • the adhesive layer sample was adhered to a glass plate and the release film was removed.Then, the adhesive layer sample was placed on the stage of a polarization microscope, and the two polarizers sandwiching the sample were set in a crossed Nicols state. Optical defects such as bright spots were observed. The optical defect counts only the size of more than 0. 5 ⁇ ⁇ , after converting the number thereof per area of the adhesive layer was evaluated by the following criteria.
  • Optical defects are 0.5 / m 2 or more, and 1.0 are less than Zm 2 (practically a little problem)
  • Optical defects are 1.0 defects / m 2 or more (problematic in practical use)
  • This uniaxially oriented film is stretched 4.0 times in the width direction at 100 ° C by a tenter stretching machine, and is further heat-treated at 230 ° C to obtain a biaxially oriented polyethylene terephthalate film having a film thickness of 50 / ⁇ m.
  • the film was coated and dried. Specifically, in the film manufacturing process according to the same procedure as in Comparative Example 1, The coating solution as shown in the following (A) was applied to one surface of the uniaxially oriented film before the transverse stretching. Next, drying was performed using heat in a tenter stretching machine. Thereafter, in the same manner as in Comparative Example 1, a laminated biaxially stretched oriented polyethylene terephthalate film having a coating layer in an amount of 0.05 g / m 2 on a base film having a thickness of 5 Om was obtained.
  • SHEAROL DC—303 P / Saponification degree 88 mol 0 / manufactured by Daiichi Kogyo Seiyaku Co., Ltd., which is a polymer having a pipidine ring in the main chain.
  • Example 2 In the same manner as in Example 1, except that the content of the coating solution was changed to the following (B), (C), and (D), a 0.05 g / m 2 A laminated biaxially stretched oriented polyethylene terephthalate film provided with an amount of coating layer was obtained, and was referred to as Example 2, Example 3, or Example 4, respectively.
  • Shiyaro Le DC- 3 03 P / saponification degree 88 mole 0/0
  • a Poribiniruaru Korunome Toki caulking Chi melamine degree of polymerization 500
  • large Nippon Ink Chemical Industries Pecamine Z An aqueous coating solution containing silica sol with an average particle size of 0.05 m in a weight ratio of 40 / 20X35 / 5 in terms of solid content.
  • a compound (D-1) was obtained by copolymerizing quaternary trimethylaminoethyl methacrylate / methyl methacrylate at a weight composition ratio of 65/35 by a conventional method.
  • D-1 / saponification degree 88 mole 0/0
  • Example 1 the following contents of the coating solution (E), except that the (F) is in the same way, the thickness is in the amount of 0. 05 g / m 2 on a substrate film of 50 m coated A laminated biaxially oriented polyethylene terephthalate film provided with layers was obtained, and they were designated as Comparative Row 2 and Comparative Example 3, respectively.
  • Degree of saponification 88 mol 0/0

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  • Chemical & Material Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Organic Chemistry (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Laminated Bodies (AREA)
  • Coating Of Shaped Articles Made Of Macromolecular Substances (AREA)
PCT/JP2003/001630 2002-02-18 2003-02-17 Film applique WO2003068854A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
KR10-2004-7011993A KR20040086334A (ko) 2002-02-18 2003-02-17 도포 필름

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2002039960A JP2003237005A (ja) 2002-02-18 2002-02-18 塗布フィルム
JP2002-39960 2002-02-18

Publications (1)

Publication Number Publication Date
WO2003068854A1 true WO2003068854A1 (fr) 2003-08-21

Family

ID=27678278

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/JP2003/001630 WO2003068854A1 (fr) 2002-02-18 2003-02-17 Film applique

Country Status (5)

Country Link
JP (1) JP2003237005A (enrdf_load_stackoverflow)
KR (1) KR20040086334A (enrdf_load_stackoverflow)
CN (1) CN1305941C (enrdf_load_stackoverflow)
TW (1) TWI284137B (enrdf_load_stackoverflow)
WO (1) WO2003068854A1 (enrdf_load_stackoverflow)

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2004137413A (ja) * 2002-10-21 2004-05-13 Mitsubishi Polyester Film Copp 蒸着用ポリエステルフィルム
JP4571549B2 (ja) * 2005-07-19 2010-10-27 三菱樹脂株式会社 離型フィルム
JP2007023174A (ja) * 2005-07-19 2007-02-01 Mitsubishi Polyester Film Copp 保護フィルム用ポリエステルフィルム
JP2009214360A (ja) * 2008-03-09 2009-09-24 Mitsubishi Plastics Inc 光学用積層ポリエステルフィルム
JP2011037936A (ja) * 2009-08-07 2011-02-24 Mitsubishi Plastics Inc 両面積層ポリエステルフィルム
JP5281554B2 (ja) * 2009-11-30 2013-09-04 三菱樹脂株式会社 離型フィルム
CN102303443B (zh) * 2011-08-03 2013-11-06 宁波长阳科技有限公司 一种超薄型聚酯薄膜及其制备方法
KR101686393B1 (ko) 2011-10-22 2016-12-14 미쓰비시 쥬시 가부시끼가이샤 도포 필름
JP5877122B2 (ja) * 2012-05-21 2016-03-02 藤森工業株式会社 表面処理フィルム、表面保護フィルム及びそれが貼り合わされた精密電気・電子部品
JP5694260B2 (ja) * 2012-09-04 2015-04-01 三菱樹脂株式会社 積層ポリエステルフィルム
JP6176270B2 (ja) * 2015-02-21 2017-08-09 三菱ケミカル株式会社 離型フィルム
CN108034065B (zh) * 2018-01-05 2020-12-01 合肥乐凯科技产业有限公司 一种光学聚酯薄膜及其制备方法

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