WO2009057799A1 - ポリカーボネート樹脂積層体 - Google Patents
ポリカーボネート樹脂積層体 Download PDFInfo
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- WO2009057799A1 WO2009057799A1 PCT/JP2008/069994 JP2008069994W WO2009057799A1 WO 2009057799 A1 WO2009057799 A1 WO 2009057799A1 JP 2008069994 W JP2008069994 W JP 2008069994W WO 2009057799 A1 WO2009057799 A1 WO 2009057799A1
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D133/00—Coating compositions based on 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 only one carboxyl radical, or of salts, anhydrides, esters, amides, imides, or nitriles thereof; Coating compositions based on derivatives of such polymers
- C09D133/04—Homopolymers or copolymers of esters
- C09D133/06—Homopolymers or copolymers of esters of esters containing only carbon, hydrogen and oxygen, the oxygen atom being present only as part of the carboxyl radical
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- 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
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- 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
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- 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
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- 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
- C08L33/14—Homopolymers or copolymers of esters of esters containing halogen, nitrogen, sulfur, or oxygen atoms in addition to the carboxy oxygen
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L61/00—Compositions of condensation polymers of aldehydes or ketones; Compositions of derivatives of such polymers
- C08L61/20—Condensation polymers of aldehydes or ketones with only compounds containing hydrogen attached to nitrogen
- C08L61/26—Condensation polymers of aldehydes or ketones with only compounds containing hydrogen attached to nitrogen of aldehydes with heterocyclic compounds
- C08L61/28—Condensation polymers of aldehydes or ketones with only compounds containing hydrogen attached to nitrogen of aldehydes with heterocyclic compounds with melamine
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D133/00—Coating compositions based on 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 only one carboxyl radical, or of salts, anhydrides, esters, amides, imides, or nitriles thereof; Coating compositions based on derivatives of such polymers
- C09D133/04—Homopolymers or copolymers of esters
- C09D133/14—Homopolymers or copolymers of esters of esters containing halogen, nitrogen, sulfur or oxygen atoms in addition to the carboxy oxygen
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- 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
- C08J2369/00—Characterised by the use of polycarbonates; Derivatives of polycarbonates
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- 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
- C08J2433/00—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
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K5/00—Use of organic ingredients
- C08K5/16—Nitrogen-containing compounds
- C08K5/34—Heterocyclic compounds having nitrogen in the ring
- C08K5/3467—Heterocyclic compounds having nitrogen in the ring having more than two nitrogen atoms in the ring
- C08K5/3477—Six-membered rings
- C08K5/3492—Triazines
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2312/00—Crosslinking
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T428/00—Stock material or miscellaneous articles
- Y10T428/26—Web or sheet containing structurally defined element or component, the element or component having a specified physical dimension
- Y10T428/263—Coating layer not in excess of 5 mils thick or equivalent
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T428/00—Stock material or miscellaneous articles
- Y10T428/26—Web or sheet containing structurally defined element or component, the element or component having a specified physical dimension
- Y10T428/263—Coating layer not in excess of 5 mils thick or equivalent
- Y10T428/264—Up to 3 mils
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T428/00—Stock material or miscellaneous articles
- Y10T428/26—Web or sheet containing structurally defined element or component, the element or component having a specified physical dimension
- Y10T428/263—Coating layer not in excess of 5 mils thick or equivalent
- Y10T428/264—Up to 3 mils
- Y10T428/265—1 mil or less
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T428/00—Stock material or miscellaneous articles
- Y10T428/26—Web or sheet containing structurally defined element or component, the element or component having a specified physical dimension
- Y10T428/266—Web or sheet containing structurally defined element or component, the element or component having a specified physical dimension of base or substrate
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T428/00—Stock material or miscellaneous articles
- Y10T428/31504—Composite [nonstructural laminate]
- Y10T428/31507—Of polycarbonate
Definitions
- the present invention relates to a polystrength Ponate resin laminate. More specifically, the present invention relates to a thermosetting resin composition containing a methylated methyl melamine, a specific acrylic copolymer, a cross-linking agent, a triazine-based ultraviolet light absorber, and nitric acid on a polystreptone resin sheet.
- the present invention relates to a laminate having a film obtained by curing a material and excellent in weather resistance 1, heat and humidity resistance, wear resistance and moldability. Background art
- Polycarbonate resin is excellent in transparency, heat resistance, heat and humidity resistance, processability and mechanical strength, and is widely used in electrical parts, building material parts, automobile parts, etc., but its surface is soft and easily damaged.
- a method of applying a transparent cured film on the surface of a polystrength resin sheet is used as a method for solving the surface damage.
- Such a polycarbonate resin sheet having a transparent cured film when a thermosetting resin is used for the cured film, LCD televisions, projection TVs, mobile phones, car navigation display displays, helmet shields, motorcycles, scooters, etc. Used for motorcycle windshields.
- Patent Document 1 proposes to solve the above problems by using a photocured product of a specific (meth) acrylate monomer for the cured film.
- Patent Document 2 proposes to solve the above problems by using an ultraviolet cured product of a specific bifunctional urethane acrylate oligomer.
- a light (ultraviolet ray) curable resin for the cured film, there is a drawback that the wear resistance of the molded product obtained is inferior to the case where a thermosetting resin is used.
- Patent Document 3 provides a transparent polycarbonate resin laminate having good wear resistance and excellent moldability by blending an acryl copolymer having a specific structure. It has been proposed.
- poly-strength Ponate resin is inferior in weather resistance, and when used outdoors, it immediately deteriorates, such as yellowing.
- weather resistance and moisture and heat resistance that can withstand outdoor use are required.
- the US Federal Automobile Safety Standards Federa 1 Motor Vehicle Safety and Std
- No. 205 etc. strict standards are set such that the weather resistance is revised.
- a benzophenone-based ultraviolet absorber is added to the polycarbonate resin resin laminate proposed in Patent Document 3 for the purpose of imparting weather resistance, the moldability becomes insufficient.
- maleic acid is blended as a curing catalyst, there arises a problem that the heat and humidity resistance becomes insufficient.
- Patent Document 1 Japanese Patent Laid-Open No. 10-036440
- Patent Document 2 Japanese Patent Application Laid-Open No. 11-343460
- Patent Document 3 Japanese Unexamined Patent Publication No. 2007-112862 Disclosure of Invention
- An object of the present invention is to provide a thermosetting resin composition that provides a cured film excellent in transparency, abrasion resistance, weather resistance, heat and humidity resistance, and molding processability.
- the purpose of the present invention is to provide a thermosetting film that has a cured film with excellent adhesion to a polycarbonate resin sheet. It is in providing a conductive resin composition.
- thermosetting a thermosetting resin composition containing a methylated methylol melamine (A), a specific acrylic copolymer (B) and a triazine-based ultraviolet absorber (C) has a moldability, It was found that extensibility is excellent. Further, when nitric acid (D) was used as a curing agent in the thermosetting resin composition, it was found that a cured film excellent in moisture and heat resistance was obtained, and the present invention was completed.
- X is a hydrogen atom or a methyl group, and ⁇ is an alkyl group having from ⁇ to).
- the total of (B-1) to (B-3) units is at least 70 mol%
- thermosetting resin composition containing
- Acrylic copolymer (B) contains 50-99 mol% ethyl methacrylate (B-1 unit), 0-35 mol% cyclohexyl methacrylate (B-2 unit) and 1-35 mol% 2.
- R 4 is a carbon number;! To 18 alkyl group, one CH 2 CH (OH) CH 2 ⁇ — substituent represented by R 8 or one CH (CH 3 ) C ( ⁇ ) ⁇ — R the substituent represented (R 8 wherein an alkyl group having 1 to 18 carbon atoms, R 9 is an alkyl group having 1 to 18 carbon atoms.) represented by 9.
- R 5 is a hydrogen atom
- the number of carbon atoms Represents an alkyl group having 1 to 18 carbon atoms or an alkoxy group having 1 to 18 carbon atoms
- R 6 and R 7 each independently represents a hydrogen atom, an alkyl group having 1 to 18 carbon atoms, an alkoxy group having 1 to 18 carbon atoms, or Represents an alkyl group having 1 to 18 carbon atoms or a phenyl group optionally substituted with a halogen atom
- V represents a hydrogen atom, an OH group, or an alkyl group having 1 to 12 carbon atoms.
- the crosslinking agent (E) is at least one selected from the group consisting of ethylene glycol, diethylene glycol, butanediol, hexanediol, octanediol, decanediol, triethylene glycol, polyethylene glycol, and cyclohexanedimethanol.
- the resin composition according to item 1 is at least one selected from the group consisting of ethylene glycol, diethylene glycol, butanediol, hexanediol, octanediol, decanediol, triethylene glycol, polyethylene glycol, and cyclohexanedimethanol.
- a laminate comprising a polycarbonate resin sheet and a cured film laminated on at least one surface thereof, wherein the cured film is a film obtained by thermosetting the thermosetting resin composition described in item 1 above.
- Xenon arc light source Irradiance 60WZm 2 , Black panel temperature 70Sat 3 ° C, Relative humidity 50 ⁇ 5%, Water spray cycle 120min irradiation 18min spraying, Integrated exposure 306MJ / m 2 ⁇ Total light transmittance before and after exposure test ( ⁇ t) is 3% or less, and ⁇ yellowing value ( ⁇ ) is 5 or less,
- thermosetting resin composition described in 1 above to a polycarbonate sheet and forming a coating film
- thermosetting the coating film to form a cured film.
- a polycarbonate resin sheet is used.
- the thickness of the polycarbonate resin sheet is not particularly limited, but a range of 0.4 to 8.0 mm is preferable, and a range of 0.5 to 5.0 mm is more preferable.
- the polycarbonate resin sheet is preferably transparent. That is, the haze value of the polycarbonate resin sheet is preferably 10% or less, more preferably 5% or less, and particularly preferably 1% or less.
- the polycarbonate resin sheet used in the present invention is produced by an arbitrary method using the following polycarbonate resin, but can be easily produced by a melt extrusion method.
- the polystrength Ponate resin used in the present invention is, for example, an aromatic polycarbonate resin obtained by reacting divalent phenol with a strong Ponate precursor.
- dihydric phenols used here are 2,2-bis (4-hydroxyphenyl) propane (commonly called bisphenol A;), 2,2-bis (3-methyl-4-hydroxyphenyl). ) Propane, 2,2-bis (3,5-dimethyl-4-hydroxyphenyl) Propane, 1,1-bis (4-hydroxyphenyl) ethane, 1,1 bis (4-hydroxyphenyl) cyclo Hexane, 2, 2-bis
- Examples of the strong monoponate precursor include phosgene, diphenyl carbonate, and bischloroformate of the above divalent phenols, among which phosgene and diphenyl carbonate are particularly preferable.
- a solution method using phosgene as a carbonate precursor or a melting method using diphenyl carbonate as a carbonate precursor is preferably adopted.
- the solution method using phosgene is reacted in the presence of an acid binder and an organic solvent.
- an acid binder for example, an alkali metal hydroxide such as sodium hydroxide or rhodium hydroxide, or an amine compound such as pyridine is used, and as the solvent, for example, a methylene chloride or a black benzene is used. Hydrocarbons are used.
- a catalyst such as a quaternary amine or a quaternary ammonium salt can be used.
- the reaction temperature is usually 0 to 40 ° C, and the reaction time is several minutes to 5 hours. It is.
- a melting method using diphenyl carbonate that is, a transesterification method
- a melting method using diphenyl carbonate is produced by stirring a divalent phenol component in a predetermined ratio in an inert gas atmosphere while heating with diphenyl carbonate. It is carried out by a method of distilling alcohol or phenols.
- the reaction temperature varies depending on the boiling point of the alcohol or phenol produced, but is usually in the range of 120 to 350 ° C.
- the reaction is completed while distilling off the alcohol or phenol produced by reducing the pressure from the beginning.
- a usual catalyst for transesterification can also be used.
- the molecular weight of the polystrength Ponate resin is preferably 10,000 to 50,000 S, more preferably 15,000 to 35,000 in terms of viscosity average molecular weight (M).
- M viscosity average molecular weight
- a polycarbonate resin having such a viscosity average molecular weight is preferable because sufficient strength can be obtained and the melt fluidity during molding is good.
- the viscosity average molecular weight is obtained by inserting the specific viscosity (?? sp ) obtained from a solution obtained by dissolving 0.7 g of a polycarbonate resin in 100 ml of methyl chloride at 20 ° C into the following equation. is there.
- Such polycarbonate resins include stabilizers such as phosphites, phosphate esters, and phosphonates, tetrabromobisphenol A, tetrabutylbisphenol A low molecular weight polycarbonate, Flame retardants such as diphenol, coloring agents, lubricants, etc. can be added.
- thermosetting resin composition of the present invention comprises 100 parts by weight of methylated methylol melamine (A), 1 to 100 parts by weight of acryl copolymer (B), 4 to 28 parts by weight of triazine-based ultraviolet absorber ( C), 2 to 9 parts by weight of nitric acid (D), 10 to 200 parts by weight of crosslinking agent (E), and 200 to 42,000 parts by weight of solvent (F).
- Methylated methylol melamine (A) is self-cross-linking, 1.4 to 2.0 mer It is desirable that If it is smaller than 1 ⁇ tetramer, the reactivity is high, so that the storage stability in a solution state is poor, and if it is larger than 2.0mer, the resulting cured film has low elongation and poor moldability.
- thermosetting resin composition contains an acrylic copolymer (B).
- Acrylic copolymer (B) Acrylic copolymer (B)
- X is a hydrogen atom or a methyl group
- R 1 is an alkyl group having 1 to 5 carbon atoms.
- Y is a hydrogen atom or a methyl group
- R 2 is a cycloalkyl group having 6 to 20 carbon atoms
- Z is a hydrogen atom or a methyl group
- R 3 is an alkylene group having 2 to 5 carbon atoms.
- the total of (B-1) to (B-3) units Is at least 70 mol%, preferably at least 80 mol%, more preferably at least 90 mol%.
- alkyl (meth) acrylates corresponding to B-1 units include methyl methacrylate or ethyl methacrylate, butyl methacrylate, methyl acrylate, ethyl acrylate, and propyl acrylate. Can be mixed and used. Of these, ethyl methacrylate is preferably used.
- An acrylate or methacrylate monomer having a cycloalkyl group having 6 to 20 carbon atoms corresponding to 2 units includes an acrylate having at least one cycloalkyl group having 6 to 20 carbon atoms in the molecule. There is no particular limitation as long as it is ⁇ or metaclave ⁇ .
- cyclohexyl acrylate 4-methyl cyclohexyl acrylate, 2,4-dimethyl cyclohexyl acrylate, 2, 4, 6-trimethyl cyclohexyl acrylate, 4 tert-butyl cyclohexyl acrylate, Hexylmethyl acrylate, 4-methylcyclohexylmethylacrylate, 2,4-dimethylcyclohexylmethylacrylate, 2, 4, 6-1-trimethyl hexylmethylacrylate, 4-tert-butylcyclohexylmethyl Acrylate, cyclohexyl methacrylate, 4-methylcyclohexyl methacrylate, 2,4-dimethylcyclohexyl methacrylate, 2,4,6-trimethylcyclohexyl methacrylate, 4-tert-butylcyclohexyl methacrylate, cyclohex Xylmethyl Methacrylate, 4-methylcyclohexylmethyl methacrylate
- acrylate or methacrylate monomers having a hydroxy group corresponding to B-3 units include 2-hydroxyethyl acrylate, 2-hydroxy Drokishtilme acrylate, 2-hydroxypropyl acrylate, 2-hydroxypropyl methacrylate, 3-hydroxypropyl acrylate, 3-hydroxypropyl methacrylate, 4-hydroxybutyl acrylate, 4-hydroxybutyl methacrylate, Examples include 3-hydroxybutyl acrylate, 3-hydroxybutyl methacrylate, 2-hydroxybutyl acrylate, 2-hydroxybutyl methacrylate, and the like. These can be used alone or in admixture of two or more. Of these, 2-hydroxyethyl methacrylate is preferably used.
- the acrylic copolymer (B) contains 50 to 99 mol% of ethyl methacrylate (B—1 unit), 0 to 35 mol% of cyclohexyl methacrylate (B—2 unit) and It is preferable to contain 1 to 35 mol% of 2-hydroxyethyl methacrylate (B-3 unit).
- the ratio of B-1 units in 100 mol% of all repeating units of the acrylic copolymer (B) is 50 to 99 mol%, preferably 60 to 99 mol%, more preferably 7 0-9 9 mol%.
- the ratio of B-2 units is 0 to 35 mol%, preferably 1 to 35 mol%, more preferably 5 to 30 mol%.
- the ratio of B-3 units is 1 to 35 mol%, preferably 3 to 25 mol%, and more preferably 5 to 15 mol%.
- the ratio of B—1 unit is less than 50 mol%, appearance defects such as whitening will be caused, which is not preferable. If the ratio of B-2 units exceeds 35 mol%, the adhesion and abrasion resistance between the cured film and the substrate are lowered, which is not preferable. B-If the proportion of 3 units exceeds 35 mol%, the abrasion resistance of the cured film will decrease, which is not preferred. If it is less than 1 mol%, the hydroxyl group will be insufficient, and the thermosetting resin is the main component of acryl copolymer. Sufficient reactivity with resin 3 ⁇ 41 Firstly, the coating film durability is not obtained, which is not preferable.
- the acryl copolymer in the present invention may contain other repeating units for imparting functionality or the like.
- the other repeating unit is preferably in the range of 30 mol% or less, more preferably in the range of 20 mol% or less, particularly preferably 10 mol%, based on 100 mol% of all repeating units of the acrylic copolymer.
- the range is as follows. These other iterations
- the returning unit can be introduced by copolymerizing vinyl monomers copolymerizable with acrylate or methacrylate monomers.
- acrylic acid, methacrylic acid, acrylic acid amide, methacrylic acid amide, 2-ethylhexyl acrylate, 2-ethylhexyl methacrylate— ⁇ , dodecyl Acrylate, dodecyl methacrylate and the like may be copolymerized. These can be used alone or in admixture of two or more. In addition, it is not necessary to use an acrylic copolymer having a single composition alone, and two or more kinds of acryl copolymers may be mixed and used.
- the molecular weight of the acrylic copolymer (B) is preferably 20,000 or more in terms of weight average molecular weight, more preferably 50,000 or more, and more than 10 million in terms of weight average molecular weight. Are preferably used.
- the content of the acrylic copolymer (B) in the thermosetting resin composition is 1 to 100 parts by weight, preferably 3 to 9 parts per 100 parts by weight of methylated methylol melamine (A). 0 parts by weight, more preferably 5 to 70 parts by weight. By setting it within this range, it is possible to obtain a laminated body having excellent moldability while having sufficient abrasion resistance of the melamine resin.
- triazine UV absorber (C) is used as the UV absorber.
- the content of the triazine ultraviolet absorber (C) in the thermosetting resin composition is 4 parts by weight or more, preferably 6 parts by weight or more, based on 100 parts by weight of methylated methylol melamine (A). 8 parts by weight or more, more preferably 10 parts by weight or more, more preferably 28 parts by weight or less, preferably 24 parts by weight or less, more preferably 20 parts by weight or less, and 18 parts by weight. Part or less is more preferable. If the content is too low, weather resistance cannot be imparted, and if it is too high, the surface of the coating film after the weather resistance test will deteriorate such as white spots. By using a triazine-based ultraviolet absorber, the moldability of the cured film, particularly the elongation, is improved.
- triazine-based ultraviolet absorber (C) a triazine-based ultraviolet absorber represented by the following formula (4) is preferable.
- R 4 is an alkyl group having 1 to 18 carbon atoms, preferably 3 to 16 carbon atoms, more preferably 4 to 8 carbon atoms, one CH 2 CH (OH) CH 2 O1 substituent represented by R 8 or one CH (CH 3 ) C (O) 0 represents a substituent represented by R 9 .
- R 8 is an alkyl group having 1 to 18 carbon atoms, preferably 3 to 16 carbon atoms, more preferably 6 to 14 carbon atoms.
- R 9 is an alkyl group having 1 to 18 carbon atoms, preferably 3 to 16 carbon atoms, more preferably 6 to 10 carbon atoms. Examples of the alkyl group for R 4 , R 8 , and R 9 include an ethyl group, a propyl group, a butyl group, a pentyl group, and a hexyl group.
- R 5 represents a hydrogen atom, an alkyl group having 1 to 18 carbon atoms, or an alkoxy group having 1 to 18 carbon atoms.
- the carbon number of the alkyl group is preferably 1-8, more preferably 1-4.
- Examples of the alkyl group include a methyl group, an ethyl group, a propyl group, a butyl group, a pentyl group, and a hexyl group.
- the number of carbon atoms of the alkoxy group is preferably 1-8, more preferably 1-4.
- Examples of the alkoxy group include methoxy group, ethoxy group, propoxy group, and butoxy group.
- R 6 and R 7 are each independently substituted with a hydrogen atom, an alkyl group having 1 to 18 carbon atoms, an alkoxy group having 1 to 18 carbon atoms, an alkyl group having 1 to 18 carbon atoms, or a halogen atom. Represents a good phenyl group.
- the carbon number of the alkyl group is preferably 1 to 8, more preferably 1 to 4.
- Examples of the alkyl group include a methyl group, an ethyl group, a propyl group, a butyl group, a pentyl group, and a hexyl group.
- the number of carbon atoms of the alkoxy group is preferably 1 to 8, more preferably 1 to 4.
- Examples of the alkoxy group include an ethoxy group, a propoxy group, and a butoxy group.
- the number of carbon atoms of the alkyl group substituted on the phenyl group is preferably 3 to 16, more preferably 4 to 8. It is.
- Examples of the alkyl group include ethyl group, propyl group, butyl group, pentyl group, hexyl group and the like.
- Examples of the halogen atom include a fluorine atom, a chlorine atom, and a bromine atom.
- V represents a hydrogen atom, an OH group, or an alkyl group having 1 to 12 carbon atoms.
- the carbon number of the alkyl group is preferably 1 to 8, more preferably 1 to 4.
- Examples of the alkyl group include ethyl group, propyl group, butyl group, pentyl group, hexyl group and the like.
- the triazine UV absorber represented by the formula (4) is manufactured by Ciba Specialty Chemicals,
- Tinuvin 1577 (R 4 is a hexyl group, R 5 , R 6 , R 7 and V are hydrogen atoms),
- Tinuvin 400 R 4 one CH 2 CH (OH) CH 2 0- 8 (R 8 is dodecyl group and tridecyl group), R 5, R 6, R 7 and V is hydrogen
- Tinuvin 405 (R 4 is one CH 2 CH (OH) CH 2 O1 R s (R 8 is an octal group), R 5 , R 6 , R 7 and V are methyl groups),
- Tinuvin 460 (R 4 is a butyl group, R 5 , R 6 , R 7 are a butyroxy group, V is an OH group),
- Tinuvin 479 (R 4 is one CH (CH 3 ) C ( ⁇ ) O— R 9 (R 9 is an octyl group), R 5 is a hydrogen atom, R 6 and R 7 are a phenyl group, V is a hydrogen Atom), and the like. These can be used alone or in admixture of two or more.
- Nitric acid (D) is used as the curing agent.
- the content of nitric acid (D) is 2 to 9 parts by weight, preferably 3 to 8 parts by weight, more preferably 3 to 8 parts by weight, based on 100 parts by weight of methylated methylolmelamine (A) as a 60% by weight aqueous solution of nitric acid. 4 to 7 parts by weight. Therefore, the HN0 3, a 1.2 to 5.4 parts by weight with respect to methylation melamine (A) 100 by weight parts, preferably 1.8 to 4.8 parts by weight der is, more preferably 2 4 to 4.2 parts by weight. If the content is too low, curing will not occur completely and wear resistance will be reduced, and if it is too high, corrosion will occur in metal production facilities. Such as problems occur.
- maleic acid When maleic acid is used as the curing agent, maleic acid is less volatile and remains in the cured film, which tends to deteriorate the cured film, but nitric acid is more volatile than maleic acid, There is an advantage that the durability of the cured film can be maintained with little risk of remaining.
- crosslinking agent (E) examples include ethylene glycol, diethylene glycol, butanediol, hexanediol, octanediol, decanediol, triethylene glycol, polyethylene glycol, and cyclohexane dimethanol. These can be used alone or in combination.
- the content of the cross-linking agent (E) is estimated to be equimolar amounts of the functional group of the methylated methylol melamine and the functional group of the cross-linking agent. With respect to 100 parts by weight of the methylated methylol melamine (A), The amount is preferably 10 to 200 parts by weight, more preferably 20 to 150 parts by weight.
- the solvent (F) examples include alkyl alcohols having 1 to 5 carbon atoms such as methanol, ethanol, isopropyl alcohol, isobutyl alcohol, and the like, such as ethylene glycol monomethyl ether and diethylene glycol monobutyl ether, toluene, xylene, and the like. Aromatic hydrocarbons etc. are mentioned. These can be used alone or in combination.
- the content of the solvent (F) in the thermosetting resin composition is preferably 2 00 to 4 2 and 0 0,000 parts by weight with respect to 100 parts by weight of the methylated methylol melamine (A).
- thermosetting resin composition can be blended with various additives as required.
- additives include leveling agents, antifoaming agents, and antistatic agents.
- Thermosetting resin composition is methylated methylol melamine (A), acrylic copolymer It can be prepared by mixing the body (B), triazine ultraviolet absorber (C), nitric acid (D), crosslinking agent (E), and solvent (F).
- the laminate of the present invention is manufactured by (i) a step of applying the thermosetting resin composition to a polycarbonate resin sheet to form a coating film, and (ii) a step of thermosetting the coating film to form a cured film. be able to.
- the laminate of the present invention is highly reactive, it is preferable to add it immediately before it is applied to the polycarbonate resin sheet. Therefore, the laminate of the present invention is
- Methylated methylol melamine (A), acrylic copolymer (B), triazine UV absorber (C), cross-linking agent (E), and solvent (F) are mixed to form a thermosetting resin.
- thermosetting resin composition (i) a step of applying a thermosetting resin composition to a polystrand resin sheet and forming a coating film
- any method such as a spray coating method, a flow coating method, a date coating method, a roller one coating method, a barco one coating method, etc.
- the spray coating method, the flow coating method, and the dipping method are more preferable.
- the coating film may be formed on only one side or both sides depending on the application.
- thermosetting hot air drying, infrared drying, or the like is used, and it is usually preferable to heat in an atmosphere of 90 to: 40 ° C. for 10 to 90 minutes, and more preferably 110 to 1 3 It is more preferable to heat for 30 to 75 minutes in an atmosphere of 0 ° C.
- the heat treatment temperature is lower than 90 ° C., the crosslinking reaction is not sufficiently promoted, so that the obtained cured film is not suitable because it may be insufficient in wear resistance, adhesion, and other forces.
- deformation such as thermal warping may occur in the poly-plastic resin sheet.
- the thickness of the cured film obtained is preferably in the range of 1 to 10 m, more preferably in the range of 2 to 8 m. If the thickness of the cured film is less than 1 m, sufficient wear resistance cannot be obtained. If it is thicker than 10 m, it is not desirable because cracks are likely to occur in the cured film during molding. In forming a cured film, various pretreatments can be performed to further strengthen the adhesion between the cured film and the polycarbonate resin sheet.
- the surface of the polycarbonate resin plate is treated by corona discharge, ultraviolet irradiation, etc., and after applying a mixed solution of mono-aminoamine and isobutanol, at 90-120 ° C
- Examples include a method of drying by heating for several minutes and a method of providing an acrylic layer as a single layer of a liner.
- the laminate of the present invention is a laminate comprising a polycarbonate resin sheet and a cured film laminated on at least one surface thereof, and the cured film is a film obtained by thermosetting the thermosetting resin composition.
- the laminate of the present invention has good weather resistance, moist heat resistance and wear resistance, and is excellent in moldability.
- the weather resistance is in accordance with JISK 7 35 0-2, using a xenon weathering tester, a xenon arc light source, irradiance 60 WZm 2 , black panel temperature 70 ° 3 ° C, relative Humidity 50 ⁇ 5%, water spray cycle 1 20 minutes during irradiation 18 minutes, total exposure 30 6 MJ / m 2 after initial exposure from total light transmittance value after exposure test Evaluation is based on the value obtained by subtracting the transmittance value (AT t) and the degree of yellowing ( ⁇ YI). Total light transmittance and yellowing degree are measured according to JISK 7 10 5.
- the weather resistance of the laminate of the present invention is such that ⁇ t is preferably 3% or less, more preferably 2% or less, ⁇ ⁇ repulsive force S is preferably 5 or less, and more preferably 4 or less.
- Moisture and heat resistance is evaluated by visual inspection of the cured film surface after standing for 16 hours at 60 ° (:, relative humidity of 95%, and adhesion of the cured film, using a constant temperature and humidity chamber. Adhesion of the cured film is determined by making 1 to 100 squares each in the length and width of the cured film at intervals of 1 mm with a cutter. Adhesive tape (made by Co., Ltd.) was applied and peeled in a 90 ° direction at once, and then the cured film did not peel off, and the number of remaining squares was counted.
- the moisture and heat resistance of the laminate of the present invention is such that cracks, whitening, yuzu skin, peeling, etc. are not observed on the surface of the hard coating film by visual check, and adhesion is preferably 100.
- Wear resistance was measured according to JISK 6 7 3 5 using a Taber tester at a wear wheel CS of 10 F, a load of 500 g / wheel, and a rotation speed of 70 rpm. Is evaluated by the value obtained by subtracting the initial haze value from the haze value after 100 revolutions (the haze value to ⁇ ).
- the abrasion resistance of the laminate of the present invention is preferably 10% or less, more preferably 7% or less. Particularly preferably, it is 5% or less.
- the elongation rate of the cured film at 1700 ° C. is preferably 4.4% or more, and is excellent in thermoformability.
- the upper limit of elongation is 10% or less, which has a sufficient effect.
- Thickness 4.0 Samples were cut to size 6 8 X 6 8 mm in mm, xenon arc light source, irradiance 6 0 W / m 2, black panel temperature 7 3 ° C, relative humidity of 50%, Mizu ⁇ Mist cycle 1 2 0 minutes Irradiation 1 1 4 1 7 hours in a weathering test machine set to 8 minutes spraying, check the appearance of the sample after treatment, and the total light transmittance (%) before and after treatment Difference ⁇ Tt, yellowing difference ⁇ YI were measured by the following methods.
- T t was measured according to JISK 7 10 5 using an integrating sphere light transmittance measuring machine.
- Y I was measured according to J I S K 7 10 5 using a color difference meter.
- thermo-hygrostat set at 60 ° C and a relative humidity of 95% for 16 8 hours, and then the surface of the cured film No crack
- the skin was visually inspected for whitening, citron skin, and peeling. Thereafter, the adhesion of the cured film was confirmed by the method shown in (7).
- Judgment of stretchability of cured film is as follows: When elongation rate of cured film is 4.4% or more: ⁇ , 1.0% or more 4. Less than 4%: ⁇ , Less than 1.0%: X Indicated. ⁇
- Measurement was performed according to JISK 6735 using an integrating sphere haze meter.
- Measurements were made according to JI S K 6735 using a Taber tester.
- C S-10 F was used for the wear wheel, and the load was measured at a 500 gZ wheel with a rotation speed of 70 rpm. The measured value was obtained by subtracting the initial haze value from the haze value after 100 revolutions.
- Film refractive index using optical interference film thickness meter [MCPD-1000 manufactured by Otsuka Electronics Co., Ltd.] 1. Film thickness was measured at 55.
- Ethyl methacrylate (hereinafter abbreviated as EMA) 79.9 parts (0.7 mol), cyclohexyl methacrylate (hereinafter abbreviated as CHMA) 33.6 parts in a flask equipped with a reflux condenser and a stirrer and purged with nitrogen (0.2 mol), 2-hydroxyxetyl methacrylate (hereinafter abbreviated as HEMA) 13.0 parts (0.1 mol), methyl isobutyl ketone 126.6 parts (hereinafter abbreviated as MI BK) and 2 -Butanol (hereinafter abbreviated as 2-BuOH) 63. 3 parts were added and mixed.
- EMA Ethyl methacrylate
- CHMA cyclohexyl methacrylate
- HEMA 2-hydroxyxetyl methacrylate
- MI BK methyl isobutyl ketone 126.6 parts
- 2-BuOH 2 -Butanol
- the mixture was deoxygenated by bubbling nitrogen gas for 15 minutes, then heated to 70 ° C under a nitrogen gas stream, and azobisisoptyronitrile (hereinafter abbreviated as AI BN).
- AI BN azobisisoptyronitrile
- the reaction was carried out in a nitrogen gas stream at 70 ° C with stirring for 5 hours.
- 0.008 part of AI BN was added and the temperature was raised to 80 ° C and reacted for 3 hours to obtain an acryl copolymer solution (Bi) having a nonvolatile content of 39.6%.
- the weight average molecular weight of the acrylic copolymer was 125,000 in terms of polystyrene from GPC measurement (column; Shodex GPCA-804, eluent: THF).
- Triazine UV absorber [Ciba, Specialty Chemicals T I NUVIN—400] 6 parts,
- the obtained methylated methylol melamine paint was applied by a flow coat method, allowed to stand at room temperature for 10 minutes, and then heated and dried in a hot air circulating dryer at 120 ° C for 60 minutes to form a cured film having the thickness shown in Table 1.
- a laminated body was obtained.
- Example 6 Except for use of UV absorbers and curing catalysts listed in Table 1 in the amounts listed in Table 1. Prepared a methylated methylol melamine paint in the same manner as in Example 1 (i), and applied the methylated methylol melamine paint to the polycarbonate resin sheet in the same manner as in Example 1 (ii). A laminate having a cured film with the stated film thickness was obtained.
- Example 6
- Example 1 except that 100 parts of [Cymel 303 (Self-crosslinking degree: 1.7)] manufactured by Nippon Cytec Industries Co., Ltd.] was used as methylated methylol melamine
- a methylated methylol melamine paint was prepared in the same manner as in (i), and Example 1
- a methylated methylol melamine paint was applied to a polyponate resin sheet in the same manner as in (ii) to obtain a laminate having a cured film with the film thickness shown in Table 1.
- a methylated methylol melamine paint was prepared in the same manner as in Example 1 (i) except that 30 parts by weight of the acryl copolymer solution (B-ii) was used, and methylated in the same manner as in Example 1 (ii).
- a methylol melamine paint was applied to a polycarbonate resin sheet to obtain a laminate having a cured film having a film thickness shown in Table 1.
- Example 1 except that 10 parts by weight of triazine UV absorber [Ciba Specialty-TINUVIN-405 manufactured by Chemicals Co., Ltd.] was used as the UV absorber.
- a methylated methylol melamine paint was prepared in the same manner as in (i), and Example 1
- a methylated methylol melamine paint was applied to a polyponate resin sheet in the same manner as in (ii) to obtain a laminate having a cured film with the film thickness shown in Table 1.
- Viosorb-130 Benzophenone UV absorber (Kyodo Pharmaceutical Co., Ltd.)
- thermosetting resin composition of the present invention provides a cured film excellent in transparency, abrasion resistance, weather resistance, heat and humidity resistance, and moldability. Since the thermosetting resin composition of the present invention is also excellent in adhesiveness with a polycarbonate resin sheet, it is useful as a film of a poly-one-one resin sheet.
- the laminate of the present invention has transparency, abrasion resistance, weather resistance and wet heat resistance, and is excellent in moldability. According to the method for producing a laminate of the present invention, it is possible to produce a laminate excellent in transparency, abrasion resistance, weather resistance, moist heat resistance and molding processability. Industrial applicability
- the laminate of the present invention is particularly useful for windshields of motorcycles such as helmet shields and motorcycles that require the ability to withstand three-dimensional formability and outdoor use, and windows for construction vehicles.
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Wood Science & Technology (AREA)
- Thermal Sciences (AREA)
- Physics & Mathematics (AREA)
- Laminated Bodies (AREA)
- Compositions Of Macromolecular Compounds (AREA)
- Paints Or Removers (AREA)
- Coating Of Shaped Articles Made Of Macromolecular Substances (AREA)
Abstract
Description
Claims
Priority Applications (6)
Application Number | Priority Date | Filing Date | Title |
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JP2009539155A JP5273395B2 (ja) | 2007-10-29 | 2008-10-28 | ポリカーボネート樹脂積層体 |
ES08845981T ES2375685T3 (es) | 2007-10-29 | 2008-10-28 | Material estratificado de resina de policarbonato. |
US12/734,375 US20100255293A1 (en) | 2007-10-29 | 2008-10-28 | Polycarbonate resin laminate |
EP20080845981 EP2204413B1 (en) | 2007-10-29 | 2008-10-28 | Polycarbonate resin laminate |
AT08845981T ATE535572T1 (de) | 2007-10-29 | 2008-10-28 | Polycarbonatharzlaminat |
CN200880100065A CN101755006A (zh) | 2007-10-29 | 2008-10-28 | 聚碳酸酯树脂层叠体 |
Applications Claiming Priority (2)
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JP2007280232 | 2007-10-29 | ||
JP2007-280232 | 2007-10-29 |
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WO2009057799A1 true WO2009057799A1 (ja) | 2009-05-07 |
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PCT/JP2008/069994 WO2009057799A1 (ja) | 2007-10-29 | 2008-10-28 | ポリカーボネート樹脂積層体 |
Country Status (7)
Country | Link |
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US (1) | US20100255293A1 (ja) |
EP (1) | EP2204413B1 (ja) |
JP (1) | JP5273395B2 (ja) |
CN (1) | CN101755006A (ja) |
AT (1) | ATE535572T1 (ja) |
ES (1) | ES2375685T3 (ja) |
WO (1) | WO2009057799A1 (ja) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2013145875A1 (ja) * | 2012-03-30 | 2013-10-03 | 東レ株式会社 | 積層フィルムおよびその製造方法 |
JP2020203964A (ja) * | 2019-06-14 | 2020-12-24 | 三井化学株式会社 | 熱硬化性樹脂組成物、硬化物および積層体 |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
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JP5975032B2 (ja) * | 2011-06-30 | 2016-08-23 | Jnc株式会社 | 耐候性積層フィルム |
CN105745075B (zh) * | 2013-11-26 | 2018-12-04 | 三菱瓦斯化学株式会社 | 透明树脂叠层体 |
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- 2008-10-28 JP JP2009539155A patent/JP5273395B2/ja active Active
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WO2013145875A1 (ja) * | 2012-03-30 | 2013-10-03 | 東レ株式会社 | 積層フィルムおよびその製造方法 |
JPWO2013145875A1 (ja) * | 2012-03-30 | 2015-12-10 | 東レ株式会社 | 積層フィルムおよびその製造方法 |
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JP2020203964A (ja) * | 2019-06-14 | 2020-12-24 | 三井化学株式会社 | 熱硬化性樹脂組成物、硬化物および積層体 |
JP7325238B2 (ja) | 2019-06-14 | 2023-08-14 | 三井化学株式会社 | 熱硬化性樹脂組成物、硬化物および積層体 |
Also Published As
Publication number | Publication date |
---|---|
EP2204413A1 (en) | 2010-07-07 |
JP5273395B2 (ja) | 2013-08-28 |
CN101755006A (zh) | 2010-06-23 |
EP2204413B1 (en) | 2011-11-30 |
ES2375685T3 (es) | 2012-03-05 |
EP2204413A4 (en) | 2010-10-20 |
US20100255293A1 (en) | 2010-10-07 |
JPWO2009057799A1 (ja) | 2011-03-17 |
ATE535572T1 (de) | 2011-12-15 |
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