WO2016139950A1 - 樹脂組成物、フィルムおよびそれらの製造方法、成形体、並びに物品 - Google Patents
樹脂組成物、フィルムおよびそれらの製造方法、成形体、並びに物品 Download PDFInfo
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- WO2016139950A1 WO2016139950A1 PCT/JP2016/001170 JP2016001170W WO2016139950A1 WO 2016139950 A1 WO2016139950 A1 WO 2016139950A1 JP 2016001170 W JP2016001170 W JP 2016001170W WO 2016139950 A1 WO2016139950 A1 WO 2016139950A1
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- PQQKPALAQIIWST-UHFFFAOYSA-N oxomolybdenum Chemical compound [Mo]=O PQQKPALAQIIWST-UHFFFAOYSA-N 0.000 description 1
- GNRSAWUEBMWBQH-UHFFFAOYSA-N oxonickel Chemical compound [Ni]=O GNRSAWUEBMWBQH-UHFFFAOYSA-N 0.000 description 1
- HBEQXAKJSGXAIQ-UHFFFAOYSA-N oxopalladium Chemical compound [Pd]=O HBEQXAKJSGXAIQ-UHFFFAOYSA-N 0.000 description 1
- MUMZUERVLWJKNR-UHFFFAOYSA-N oxoplatinum Chemical compound [Pt]=O MUMZUERVLWJKNR-UHFFFAOYSA-N 0.000 description 1
- RVTZCBVAJQQJTK-UHFFFAOYSA-N oxygen(2-);zirconium(4+) Chemical compound [O-2].[O-2].[Zr+4] RVTZCBVAJQQJTK-UHFFFAOYSA-N 0.000 description 1
- 229910052763 palladium Inorganic materials 0.000 description 1
- 229910003445 palladium oxide Inorganic materials 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- GYDSPAVLTMAXHT-UHFFFAOYSA-N pentyl 2-methylprop-2-enoate Chemical compound CCCCCOC(=O)C(C)=C GYDSPAVLTMAXHT-UHFFFAOYSA-N 0.000 description 1
- ULDDEWDFUNBUCM-UHFFFAOYSA-N pentyl prop-2-enoate Chemical compound CCCCCOC(=O)C=C ULDDEWDFUNBUCM-UHFFFAOYSA-N 0.000 description 1
- JRKICGRDRMAZLK-UHFFFAOYSA-L peroxydisulfate Chemical compound [O-]S(=O)(=O)OOS([O-])(=O)=O JRKICGRDRMAZLK-UHFFFAOYSA-L 0.000 description 1
- 239000005011 phenolic resin Substances 0.000 description 1
- 239000000049 pigment Substances 0.000 description 1
- 239000004014 plasticizer Substances 0.000 description 1
- 229910003446 platinum oxide Inorganic materials 0.000 description 1
- 229920000636 poly(norbornene) polymer Polymers 0.000 description 1
- 229920001748 polybutylene Polymers 0.000 description 1
- 229920001707 polybutylene terephthalate Polymers 0.000 description 1
- 239000004417 polycarbonate Substances 0.000 description 1
- 229920000515 polycarbonate Polymers 0.000 description 1
- 229920000647 polyepoxide Polymers 0.000 description 1
- 229920001225 polyester resin Polymers 0.000 description 1
- 239000004645 polyester resin Substances 0.000 description 1
- 229920000573 polyethylene Polymers 0.000 description 1
- 238000010094 polymer processing Methods 0.000 description 1
- 229920006124 polyolefin elastomer Polymers 0.000 description 1
- 229920005672 polyolefin resin Polymers 0.000 description 1
- 229920001955 polyphenylene ether Polymers 0.000 description 1
- 229920000069 polyphenylene sulfide Polymers 0.000 description 1
- 229920002223 polystyrene Polymers 0.000 description 1
- 229920002742 polystyrene-block-poly(ethylene/propylene) -block-polystyrene Polymers 0.000 description 1
- 229920002635 polyurethane Polymers 0.000 description 1
- 239000004814 polyurethane Substances 0.000 description 1
- 229920002451 polyvinyl alcohol Polymers 0.000 description 1
- 239000005033 polyvinylidene chloride Substances 0.000 description 1
- 229920002981 polyvinylidene fluoride Polymers 0.000 description 1
- VMWODKUOULUAOS-UHFFFAOYSA-M potassium;boric acid;dihydrogen phosphate Chemical compound [K+].OB(O)O.OP(O)([O-])=O VMWODKUOULUAOS-UHFFFAOYSA-M 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- NHARPDSAXCBDDR-UHFFFAOYSA-N propyl 2-methylprop-2-enoate Chemical compound CCCOC(=O)C(C)=C NHARPDSAXCBDDR-UHFFFAOYSA-N 0.000 description 1
- 239000007870 radical polymerization initiator Substances 0.000 description 1
- 238000010526 radical polymerization reaction Methods 0.000 description 1
- 150000003254 radicals Chemical group 0.000 description 1
- 229910052761 rare earth metal Inorganic materials 0.000 description 1
- 150000002910 rare earth metals Chemical class 0.000 description 1
- 239000002964 rayon Substances 0.000 description 1
- 239000012966 redox initiator Substances 0.000 description 1
- 239000013074 reference sample Substances 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
- 150000003873 salicylate salts Chemical class 0.000 description 1
- 150000003839 salts Chemical class 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
- 229910052710 silicon Inorganic materials 0.000 description 1
- 239000010703 silicon Substances 0.000 description 1
- 229910052814 silicon oxide Inorganic materials 0.000 description 1
- 229920002379 silicone rubber Polymers 0.000 description 1
- 239000004945 silicone rubber Substances 0.000 description 1
- 229910052709 silver Inorganic materials 0.000 description 1
- 239000004332 silver Substances 0.000 description 1
- 229910001923 silver oxide Inorganic materials 0.000 description 1
- 239000001632 sodium acetate Substances 0.000 description 1
- 235000017281 sodium acetate Nutrition 0.000 description 1
- 229940080264 sodium dodecylbenzenesulfonate Drugs 0.000 description 1
- 229910052938 sodium sulfate Inorganic materials 0.000 description 1
- 235000011152 sodium sulphate Nutrition 0.000 description 1
- FYKDNWHPKQOZOT-UHFFFAOYSA-M sodium;dihydrogen phosphate;2-hydroxypropane-1,2,3-tricarboxylic acid Chemical compound [Na+].OP(O)([O-])=O.OC(=O)CC(O)(C(O)=O)CC(O)=O FYKDNWHPKQOZOT-UHFFFAOYSA-M 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 238000004544 sputter deposition Methods 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 229920001935 styrene-ethylene-butadiene-styrene Polymers 0.000 description 1
- 238000004381 surface treatment Methods 0.000 description 1
- 239000000725 suspension Substances 0.000 description 1
- ISXSCDLOGDJUNJ-UHFFFAOYSA-N tert-butyl prop-2-enoate Chemical compound CC(C)(C)OC(=O)C=C ISXSCDLOGDJUNJ-UHFFFAOYSA-N 0.000 description 1
- DHCDFWKWKRSZHF-UHFFFAOYSA-L thiosulfate(2-) Chemical compound [O-]S([S-])(=O)=O DHCDFWKWKRSZHF-UHFFFAOYSA-L 0.000 description 1
- 229910052718 tin Inorganic materials 0.000 description 1
- 239000011135 tin Substances 0.000 description 1
- XOLBLPGZBRYERU-UHFFFAOYSA-N tin dioxide Chemical compound O=[Sn]=O XOLBLPGZBRYERU-UHFFFAOYSA-N 0.000 description 1
- 229910001887 tin oxide Inorganic materials 0.000 description 1
- 229910052719 titanium Inorganic materials 0.000 description 1
- 239000010936 titanium Substances 0.000 description 1
- OGIDPMRJRNCKJF-UHFFFAOYSA-N titanium oxide Inorganic materials [Ti]=O OGIDPMRJRNCKJF-UHFFFAOYSA-N 0.000 description 1
- VZCYOOQTPOCHFL-UHFFFAOYSA-N trans-butenedioic acid Natural products OC(=O)C=CC(O)=O VZCYOOQTPOCHFL-UHFFFAOYSA-N 0.000 description 1
- 238000002834 transmittance Methods 0.000 description 1
- 150000003918 triazines Chemical class 0.000 description 1
- 229910001935 vanadium oxide Inorganic materials 0.000 description 1
- 238000007740 vapor deposition Methods 0.000 description 1
- 230000000007 visual effect Effects 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
- 238000009816 wet lamination Methods 0.000 description 1
- 239000002023 wood Substances 0.000 description 1
- 125000005023 xylyl group Chemical group 0.000 description 1
- 229910052725 zinc Inorganic materials 0.000 description 1
- 239000011701 zinc Substances 0.000 description 1
- 239000011787 zinc oxide Substances 0.000 description 1
- 229910001928 zirconium oxide Inorganic materials 0.000 description 1
Classifications
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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
- C08L33/06—Homopolymers or copolymers of esters of esters containing only carbon, hydrogen and oxygen, which oxygen atoms are present only as part of the carboxyl radical
- C08L33/10—Homopolymers or copolymers of methacrylic acid esters
- C08L33/12—Homopolymers or copolymers of methyl methacrylate
-
- 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
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- 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
- B32B15/00—Layered products comprising a layer of metal
- B32B15/04—Layered products comprising a layer of metal comprising metal as the main or only constituent of a layer, which is next to another layer of the same or of a different material
- B32B15/08—Layered products comprising a layer of metal comprising metal as the main or only constituent of a layer, which is next to another layer of the same or of a different material of synthetic resin
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- 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
- B32B27/06—Layered products comprising a layer of synthetic resin as the main or only constituent of a layer, which is next to another layer of the same or of a different material
- B32B27/08—Layered products comprising a layer of synthetic resin as the main or only constituent of a layer, which is next to another layer of the same or of a different material of synthetic resin
-
- 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
- B32B9/00—Layered products comprising a layer of a particular substance not covered by groups B32B11/00 - B32B29/00
- B32B9/04—Layered products comprising a layer of a particular substance not covered by groups B32B11/00 - B32B29/00 comprising such particular substance as the main or only constituent of a layer, which is next to another layer of the same or of a different material
- B32B9/045—Layered products comprising a layer of a particular substance not covered by groups B32B11/00 - B32B29/00 comprising such particular substance as the main or only constituent of a layer, which is next to another layer of the same or of a different material of synthetic resin
-
- 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
- C08F120/00—Homopolymers 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 a salt, anhydride, ester, amide, imide or nitrile thereof
- C08F120/02—Monocarboxylic acids having less than ten carbon atoms; Derivatives thereof
- C08F120/10—Esters
- C08F120/12—Esters of monohydric alcohols or phenols
- C08F120/14—Methyl esters, e.g. methyl (meth)acrylate
-
- 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
- C08F297/00—Macromolecular compounds obtained by successively polymerising different monomer systems using a catalyst of the ionic or coordination type without deactivating the intermediate polymer
- C08F297/02—Macromolecular compounds obtained by successively polymerising different monomer systems using a catalyst of the ionic or coordination type without deactivating the intermediate polymer using a catalyst of the anionic type
-
- 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
- C08F297/00—Macromolecular compounds obtained by successively polymerising different monomer systems using a catalyst of the ionic or coordination type without deactivating the intermediate polymer
- C08F297/02—Macromolecular compounds obtained by successively polymerising different monomer systems using a catalyst of the ionic or coordination type without deactivating the intermediate polymer using a catalyst of the anionic type
- C08F297/026—Macromolecular compounds obtained by successively polymerising different monomer systems using a catalyst of the ionic or coordination type without deactivating the intermediate polymer using a catalyst of the anionic type polymerising acrylic acid, methacrylic acid or derivatives thereof
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L53/00—Compositions of block copolymers containing at least one sequence of a polymer obtained by reactions only involving carbon-to-carbon unsaturated bonds; Compositions of derivatives of such polymers
-
- 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
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/03—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor characterised by the shape of the extruded material at extrusion
- B29C48/07—Flat, e.g. panels
- B29C48/08—Flat, e.g. panels flexible, e.g. films
-
- 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
- B29K2033/12—Polymers of methacrylic acid esters, e.g. PMMA, i.e. polymethylmethacrylate
-
- 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
- C08J2333/10—Homopolymers or copolymers of methacrylic acid esters
- C08J2333/12—Homopolymers or copolymers of methyl methacrylate
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2201/00—Properties
- C08L2201/10—Transparent films; Clear coatings; Transparent materials
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2203/00—Applications
- C08L2203/16—Applications used for films
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2205/00—Polymer mixtures characterised by other features
- C08L2205/02—Polymer mixtures characterised by other features containing two or more polymers of the same C08L -group
- C08L2205/025—Polymer mixtures characterised by other features containing two or more polymers of the same C08L -group containing two or more polymers of the same hierarchy C08L, and differing only in parameters such as density, comonomer content, molecular weight, structure
-
- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
- C23C14/00—Coating by vacuum evaporation, by sputtering or by ion implantation of the coating forming material
- C23C14/02—Pretreatment of the material to be coated
-
- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
- C23C14/00—Coating by vacuum evaporation, by sputtering or by ion implantation of the coating forming material
- C23C14/06—Coating by vacuum evaporation, by sputtering or by ion implantation of the coating forming material characterised by the coating material
- C23C14/14—Metallic material, boron or silicon
- C23C14/20—Metallic material, boron or silicon on organic substrates
Definitions
- the present invention relates to a resin composition containing a methacrylic resin (A) and a triblock copolymer (B) and a method for producing the same. Moreover, it is related with the molded object which comprises the molded object formed from the said resin composition, the film which comprises the layer which consists of the said resin composition, its manufacturing method, and articles
- Methacrylic resins have excellent optical properties such as transparency and weather resistance, and the molded body has a beautiful appearance.
- methacrylic resins have been used for optical devices such as lighting fixtures, signboards, display components, and display components. It has been used in various applications including members, interior members, building members, electronic / electrical members, and medical members.
- the methacrylic resin is a brittle material, it has been difficult to use it as it is in applications that require flexibility, bending resistance, impact resistance, or the like.
- a film consisting only of a methacrylic resin is very fragile.
- Patent Document 1 proposes an acrylic resin film blended with core-shell type particles.
- Patent Document 2 proposes an acrylic resin film in which a polyvinyl acetal resin is alloyed.
- Patent Document 3 a block having at least one structure in the molecule in which a highly syndiotactic poly (methacrylic acid) alkyl ester block is bonded to both ends of the thermoplastic resin (a) and the poly (acrylic acid) alkyl ester block.
- a polymer composition containing the copolymer (b) in a specific ratio has been proposed.
- Patent Document 4 a block copolymer having an acrylic ester polymer block containing a specific amount of a structural unit derived from an alkyl acrylate ester and a structure derived from an aromatic (meth) acrylate is used.
- a resin composition is disclosed.
- Patent Document 5 discloses an acrylic resin composition comprising 0.3 to 3 parts by mass of a polymer processing aid (B) per 100 parts by mass of an acrylic block copolymer (A). Has been.
- Patent Documents 1 to 5 various properties such as brittleness of the methacrylic resin can be improved.
- the required performance of resin compositions in recent years is high, high designability is required, and there is a need for resin compositions having a plurality of characteristics in a well-balanced manner in molded articles, films, articles, and the like. Specifically, it is required to have high transparency, excellent surface hardness, and excellent surface smoothness, and in particular, in the field of optical applications, whitening is small when heated.
- a material having high impact resistance is required.
- the present invention has been made in view of the above background, and the object thereof is a resin composition excellent in transparency, surface hardness and surface smoothness, and having a small whitening when heated, and a method for producing the same
- An object of the present invention is to provide a molded article, a film and an article which are made of such a resin composition and have excellent impact resistance.
- Methacrylic resin (A) 65 to 65 having a structural unit derived from methyl methacrylate of 80% by mass or more and having a melt viscosity ⁇ (A) of 1500 to 3500 Pa ⁇ s at 220 ° C. and a shear rate of 122 / sec.
- a triblock copolymer (B) in which a methacrylic ester polymer block (b2) is bonded to both ends of the acrylic ester polymer block (b1),
- the triblock copolymer (B) has an acrylate polymer block (b1) of 30 to 60% by mass and a methacrylic acid ester polymer block (b2) of 40 to 70% by mass, and the triblock copolymer (B) has a melt viscosity ⁇ (B) at 220 ° C.
- the mass% of the methacrylic acid ester polymer block (b2) bonded to both ends of the acrylate polymer block (b1) is Are different from each other,
- a ratio by mass of the block (b2 (L)) and (b2 (H)) / (b2 (L)) is 1.3 or more.
- a molded article comprising a molded article formed from the resin composition according to any one of [1] to [3].
- a film comprising at least a resin film (R) formed from the resin composition according to any one of [1] to [3].
- [6] The film according to [5], wherein the haze of the resin film (R) is 0.7% or less.
- [8] The film according to any one of [5] to [7], wherein the pencil hardness of the surface of at least one surface of the resin film (R) is HB or more.
- [9] The film of any one of [5] to [8], wherein the impact resistance of the resin film (R) is 40 mJ or more.
- a methacrylic resin (A) having a structural unit derived from methyl methacrylate of 80% by mass or more and having a melt viscosity ⁇ (A) of 1500 to 3500 Pa ⁇ s at 220 ° C. and a shear rate of 122 / sec is obtained.
- the methacrylate polymer block (b2) is bonded to both ends of the acrylic ester polymer block (b1), and the acrylic acid ester polymer block (b1) is 30 to 60% by mass.
- the melt-kneading step is a method for producing a resin composition, which is carried out at a shear rate of 10 to 1000 / sec and a temperature of 180 to 300 ° C.
- the manufacturing method of a film is 60 to 130 ° C.
- a resin composition excellent in transparency, surface hardness, and surface smoothness, and having a small whitening when heated and a method for producing the same, and a molded article and a film comprising the resin composition and excellent in impact resistance
- a molded article and a film comprising the resin composition and excellent in impact resistance
- the numerical value specified by this specification shows the value obtained when it measures by the method described in the Example mentioned later.
- the numerical values “A to B” specified in the present specification indicate ranges that are larger than the numerical values A and A and satisfy the values smaller than the numerical values B and B.
- the “film” of the present invention is not limited to a thickness or the like, but includes a “sheet” defined in JIS.
- the resin composition of the present invention contains 65 to 99 parts by mass, preferably 75 to 90 parts by mass of a methacrylic resin (A) described later in 100 parts by mass of the resin mixture (M), and contains a triblock copolymer (B 1 to 35 parts by mass, preferably 10 to 25 parts by mass.
- a methacrylic resin (A) described later in 100 parts by mass of the resin mixture (M)
- a triblock copolymer (B 1 to 35 parts by mass preferably 10 to 25 parts by mass.
- the methacrylic resin (A) used in the present invention is a methacrylic resin having a structural unit derived from methyl methacrylate of 80% by mass or more and having a melt viscosity of 1500 to 3500 Pa ⁇ s at 220 ° C. and a shear rate of 122 / sec. .
- the proportion of the structural units derived from methyl methacrylate in the methacrylic resin (A) needs to be 80% by mass or more, preferably 90% by mass or more, more preferably 95% by mass or more. That is, the proportion of structural units derived from monomers other than methyl methacrylate is 20% by mass or less, preferably 10% by mass or less, more preferably 5% by mass or less, and all monomers are methyl methacrylate.
- the structure which is is also included.
- Examples of the monomer other than methyl methacrylate include methyl acrylate, ethyl acrylate, n-propyl acrylate, isopropyl acrylate, n-butyl acrylate, isobutyl acrylate, sec-butyl acrylate, and tert-acrylic acid.
- the stereoregularity of the methacrylic resin (A) is not particularly limited, and for example, those having stereoregularity such as isotactic, heterotactic and syndiotactic may be used.
- the melt viscosity of the methacrylic resin (A) at 220 ° C. and a shear rate of 122 / sec is in the range of 1500 to 3500 Pa ⁇ s.
- the melt viscosity is preferably 2000 Pa ⁇ s or more, more preferably 2300 Pa ⁇ s or more, and particularly preferably 2600 Pa ⁇ s or more. Further, it is preferably 3300 Pa ⁇ s or less, more preferably 3100 Pa ⁇ s or less, and particularly preferably 3000 Pa ⁇ s or less.
- the methacrylic resin (A) can be obtained by polymerizing under suitable conditions in consideration of the degree of polymerization when polymerizing one or more monomers containing 80% by mass or more of methyl methacrylate.
- methacrylic resin (A) of the present invention examples include “Parapet H1000B” (MFR: 22 g / 10 min (230 ° C., 37.3 N)) and “Parapet GF” (MFR: 15 g / 10 min (230 ° C., 37.3 N).
- the triblock copolymer (B) used in the present invention is a resin in which the methacrylic ester polymer block (b2) is bonded to both ends of the acrylate polymer block (b1).
- the triblock copolymer (B) has 30 to 60% by mass of an acrylate polymer block (b1) and 40 to 70% by mass of a methacrylic acid ester polymer block (b2).
- a polymer (B) having a melt viscosity of 75 to 1500 Pa ⁇ s at 220 ° C. and a shear rate of 122 / sec is used.
- the acrylic ester polymer block (b1) is mainly composed of a structural unit derived from an acrylic ester.
- the proportion of structural units derived from the acrylate ester in the acrylate polymer block (b1) is preferably 50% by mass or more, more preferably 70% by mass or more, further preferably 80% by mass or more, and particularly preferably 90% by mass. %, And a composition of 100% by mass is also included.
- acrylate ester examples include methyl acrylate, ethyl acrylate, n-propyl acrylate, isopropyl acrylate, n-butyl acrylate, isobutyl acrylate, sec-butyl acrylate, tert-butyl acrylate, and acrylic.
- the acrylic acid ester polymer block (b1) can be formed by polymerizing these acrylic acid esters alone or in combination of two or more. Of these, those polymerized with n-butyl acrylate alone are preferred from the viewpoints of cost, low temperature characteristics, and the like.
- the acrylic ester polymer block (b1) may contain a structural unit derived from a monomer other than the acrylic ester as long as the purpose and effect of the present invention are not hindered.
- the proportion of structural units derived from monomers other than the acrylate ester contained in the acrylate polymer block (b1) is preferably 50% by mass or less, more preferably 30% by mass or less, and still more preferably 20% by mass. Hereinafter, it is particularly preferably 10% by mass or less, including the case where all the structural units are monomers derived from an acrylate ester.
- the acrylate ester polymer block (b1) is used by copolymerizing the acrylate ester together with one or two or more of them. Can be formed.
- the methacrylic acid ester polymer block (b2) is mainly composed of a structural unit derived from a methacrylic acid ester.
- the proportion of the structural unit derived from the methacrylic acid ester in the methacrylic acid ester polymer block (b2) is preferably 80% by mass or more, more preferably 90% by mass or more, further preferably 95% by mass or more, and particularly preferably 98% by mass. %, And all structural units are monomers derived from methacrylic acid esters.
- the two methacrylic acid ester polymer blocks (b2) bonded to both ends of the acrylic acid ester polymer block (b1) are the types of monomers constituting, the proportion of structural units derived from the methacrylic acid ester, Each of the weight average molecular weight and stereoregularity may be the same or different.
- methacrylic acid ester examples include methyl methacrylate, ethyl methacrylate, n-propyl methacrylate, isopropyl methacrylate, n-butyl methacrylate, isobutyl methacrylate, sec-butyl methacrylate, tert-butyl methacrylate, methacrylic acid.
- Amyl acid Isoamyl methacrylate, n-hexyl methacrylate, cyclohexyl methacrylate, 2-ethylhexyl methacrylate, pentadecyl methacrylate, dodecyl methacrylate, isobornyl methacrylate, phenyl methacrylate, benzyl methacrylate, phenoxyethyl methacrylate, methacrylic acid Examples include 2-hydroxyethyl, 2-methoxyethyl methacrylate, glycidyl methacrylate, and allyl methacrylate.
- methacrylic acid such as methyl methacrylate, ethyl methacrylate, isopropyl methacrylate, n-butyl methacrylate, tert-butyl methacrylate, cyclohexyl methacrylate, and isobornyl methacrylate.
- Alkyl esters are preferred, and methyl methacrylate is more preferred.
- a methacrylic acid ester polymer block (b2) can be formed by polymerizing these methacrylic acid esters alone or in combination of two or more.
- the methacrylic acid ester polymer block (b2) may contain a structural unit derived from a monomer other than the methacrylic acid ester as long as the object and effect of the present invention are not hindered.
- the proportion of structural units derived from monomers other than methacrylate ester contained in the methacrylate polymer block (b2) is preferably 20% by mass or less, more preferably 10% by mass or less, and further preferably 5% by mass. Hereinafter, it is particularly preferably 2% by mass or less.
- Examples of monomers other than methacrylic acid esters include acrylic acid esters, unsaturated carboxylic acids, aromatic vinyl compounds, olefins, conjugated dienes, acrylonitrile, methacrylonitrile, acrylamide, methacrylamide, vinyl acetate, vinyl pyridine, Examples thereof include vinyl ketone, vinyl chloride, vinylidene chloride, and vinylidene fluoride.
- a methacrylic acid ester polymer block (b2) can be formed by copolymerizing these monomers other than the methacrylic acid ester alone or in combination of two or more with the above methacrylic acid ester.
- the stereoregularity of the methacrylic acid ester polymer block (b2) is preferably such that the triplet-represented syndiotacticity (rr) is 60% or more from the viewpoint of improving heat resistance.
- the syndiotacticity is 60% or more from the viewpoint of improving heat resistance.
- the glass transition temperature is increased and excellent heat resistance is exhibited in the resin composition of the present invention. More preferably, it is 65% or more, more preferably 70% or more, and most preferably 75% or more.
- the proportion of the methacrylic acid ester polymer block (b2) in the triblock copolymer (B) is 100% by mass with respect to the total of the acrylic acid ester polymer block (b1) and the methacrylic acid ester polymer block (b2). From the viewpoint of transparency, surface hardness, moldability, and surface smoothness, it is preferably 40% by mass or more, more preferably 43% by mass or more, and still more preferably 47% by mass or more. Moreover, it is preferable that it is 70 mass% or less, it is more preferable that it is 65 mass% or less, and it is still more preferable that it is 60 mass% or less.
- the methacrylic acid ester polymer block (b2) is present at both ends of the triblock copolymer (B).
- the ratio of said methacrylic ester polymer block (b2) is calculated based on the total mass of the methacrylic ester polymer block (b2) at both ends.
- the melt viscosity of the triblock copolymer (B) at 220 ° C. and a shear rate of 122 / sec is in the range of 75 to 1500 Pa ⁇ s.
- the melt viscosity is more preferably 150 Pa ⁇ s or more, and particularly preferably 300 Pa ⁇ s or more. Further, it is more preferably 1000 Pa ⁇ s or less, and particularly preferably 700 Pa ⁇ s or less.
- the triblock copolymer (B) has a triblock copolymer weight of (b2)-(b1)-(b2) in which the bond between the acrylate polymer block (b1) and the methacrylic ester polymer block (b2) is Must be united.
- the acrylic polymer block is located at the end as in (b1)-(b2)-(b1), the problem is that the adhesiveness at high temperature is increased and the film is in close contact with the roll during molding processing such as film production. Occurs.
- the diblock copolymer (b1)-(b2) is used, there is a problem that the adhesiveness at a high temperature increases and the film adheres to a roll during molding processing, and the impact resistance of the film. Tend to decrease.
- the two methacrylic acid ester polymer blocks (b2) bonded to both ends of the acrylate polymer block (b1) may have substantially the same mass%, but improve the fluidity at the time of melting. From a viewpoint, it is preferable that the mass% in a triblock copolymer (B) differs. That is, when the triblock copolymer (B) is 100% by mass, the mass% of the methacrylic acid ester polymer block (b2) bonded to both ends of the acrylate polymer block (b1) is It is preferable to make them different. By improving the fluidity at the time of melting, a film or a molded body excellent in surface smoothness and haze can be obtained.
- a block having a high mass% is defined as (b2 (H)
- a block having a low mass% is defined as (b2 (L)).
- the ratio of the mass% of (b2 (H)) to the mass% of the block (b2 (L)) in the copolymer (B), (b2 (H)) / (b2 (L)) is 1.3 or more. It is more preferable.
- (B2 (H)) / (b2 (L)) is more preferably 1.8 or more, and the upper limit thereof is preferably 4 or less, and more preferably 3 or less.
- the triblock copolymer (B) may have a functional group such as a hydroxyl group, a carboxyl group, an acid anhydride, or an amino group in the molecular chain or at the molecular chain end as necessary.
- the method for producing the triblock copolymer (B) is not particularly limited, and a method according to a known method can be employed.
- a method of living polymerizing monomers constituting each polymer block is generally used.
- living polymerization methods include anionic polymerization in the presence of mineral acid salts such as alkali metals or alkaline earth metal salts using organic alkali metal compounds as polymerization initiators, and polymerization of organic alkali metal compounds.
- a method for anionic polymerization in the presence of an organoaluminum compound as an initiator a method for polymerization using an organic rare earth metal complex as a polymerization initiator, a method for radical polymerization in the presence of a copper compound using an ⁇ -halogenated ester compound as an initiator Etc.
- the monomer which comprises each block is polymerized using a polyvalent radical polymerization initiator and a polyvalent radical chain transfer agent, and it manufactures as a mixture containing the triblock copolymer (B) used for this invention And so on.
- the triblock copolymer (B) can be obtained with high purity, the molecular weight and the composition ratio can be easily controlled, and it is economical.
- a method of anionic polymerization in the presence of an organoaluminum compound used as an agent is preferred.
- the ratio ⁇ (A) / ⁇ (B) of the melt viscosity ⁇ (A) to the melt viscosity ⁇ (B) is in the range of 1-20.
- the value of ⁇ (A) / ⁇ (B) is preferably 3 or more, more preferably 5 or more, and particularly preferably 7 or more.
- the value of ⁇ (A) / ⁇ (B) is preferably 15 or less, more preferably 12 or less, and particularly preferably 9 or less.
- ⁇ (A) / ⁇ (B) is smaller than 1 or larger than 20
- the dispersibility of the methacrylic resin (A) and the triblock copolymer (B) is lowered, and haze and impact resistance are lowered. Tend to.
- the resin composition of the present invention is a processing aid with respect to 100 parts by mass of the resin composition from the viewpoint of compatibility with the resin composition and film thickness accuracy when producing a resin film (R) comprising the resin composition.
- the amount of the processing aid is less than 0.3 parts by mass, the film yield tends to decrease due to a decrease in film thickness accuracy at the end of the resin film (R) when the resin film (R) is thin. Moreover, it tends to break.
- the amount of the processing aid exceeds 3.0 parts by mass, the transparency of the resin film (R) tends to decrease.
- the processing aid preferably comprises 60% by mass or more of methyl methacrylate units and 40% by mass or less of vinyl monomer units copolymerizable therewith. More preferably, it comprises 70 to 90% by mass of methyl acid units and 10 to 30% by mass of vinyl monomer units copolymerizable therewith.
- vinyl monomers copolymerizable with methyl methacrylate include methacrylic acid esters such as ethyl methacrylate, butyl methacrylate, cyclohexyl methacrylate; ethyl acrylate, methyl acrylate, butyl acrylate, cyclohexyl acrylate, etc.
- aromatic vinyl compounds such as styrene, p-methylstyrene, o-methylstyrene
- maleimide compounds such as N-propylmaleimide, N-cyclohexylmaleimide, N-o-chlorophenylmale
- butyl acrylate is preferred from the viewpoint of compatibility with the resin composition of the present invention.
- the processing aid preferably has an average degree of polymerization in the range of 3,000 to 40,000, and in the range of 15,000 to 30,000, from the viewpoint of improving compatibility with the resin composition. More preferably, it is in the range of 20,000 to 25,000.
- the processing aid preferably has an intrinsic viscosity of 3 to 6 dl / g. If the intrinsic viscosity is less than 3, the effect of improving moldability is low, and if it is greater than 6, the melt fluidity of the resin composition tends to decrease.
- the polymerization method for producing the processing aid is not particularly limited, but is preferably emulsion polymerization.
- the emulsifying material that can be used for emulsion polymerization include dialkyl sulfosuccinates such as sodium dioctyl sulfosuccinate and sodium dilauryl sulfosuccinate as anionic emulsifiers, alkylbenzene sulfonates such as sodium dodecylbenzene sulfonate, dodecyl sulfate, and the like.
- Alkyl sulfates such as sodium, polyoxyethylene alkyl ethers that are nonionic emulsifiers, polyoxyethylene nonylphenyl ether sulfates, polyoxyethylene alkyl ether sulfates such as sodium polyoxyethylene alkyl ether sulfates, polyoxyethylene tridecyl ethers Alkyl ether carboxylates such as sodium acetate can be used.
- a suitable pH adjuster can be used to prevent hydrolysis of the methacrylic acid alkyl ester and acrylic acid alkyl ester.
- the pH adjuster used is boric acid-potassium chloride-potassium hydroxide, potassium dihydrogen phosphate-sodium hydrogen phosphate, boric acid-potassium chloride-potassium carbonate, citric acid-potassium hydrogen citrate, dihydrogen phosphate Potassium-boric acid, sodium dihydrogen phosphate-citric acid and the like can be used.
- the polymerization initiator may be a water-soluble initiator or an oil-soluble initiator alone, or a redox-type initiator.
- the water-soluble initiator include a normal inorganic initiator such as persulfate alone.
- a redox initiator may be used in combination with sulfite, hydrogen sulfite, thiosulfate, or the like.
- Typical products of such processing aids include Kaneka Corporation PA Series, Mitsubishi Rayon Corporation Metabrene P Series, and Dow Paraloid K Series.
- additives such as an antioxidant, a heat stabilizer, a lubricant, an antistatic agent, an antioxidant, and a colorant are added to the resin composition used in the present invention as necessary, as long as the effects of the present invention are not impaired. Further, an impact resistance aid or the like may be added. In view of the mechanical properties and surface hardness of the film of the present invention, it is preferable not to add a large amount of a foaming agent, a filler, a matting agent, a light diffusing agent, a softening agent or a plasticizer.
- the transparency that is the subject of the present invention may not be obtained, but if the transparency is ensured in the resin composition that does not contain the coloring component. It satisfies the “transparency” standard of the present invention.
- the ultraviolet absorber is a compound having an ability to absorb ultraviolet rays.
- the ultraviolet absorber is a compound that is said to have a function of mainly converting light energy into heat energy.
- Examples of the ultraviolet absorber include benzophenones, benzotriazoles, triazines, benzoates, salicylates, cyanoacrylates, succinic anilides, malonic esters, formamidines, and the like. These can be used alone or in combination of two or more. Among these, benzotriazoles and hydroxyphenyltriazines are preferred, and hydroxyphenyltriazines are particularly preferred because of their high ability to suppress resin degradation when irradiated with ultraviolet rays and high compatibility with the resin.
- benzotriazoles examples include 2,2′-methylenebis [4- (1,1,3,3-tetramethylbutyl) 6- (2H-benzotriazol-yl) phenol] (manufactured by Adeka Corporation; Adeka Stub LA-31, Adeka Corporation; Adeka Stab LA-31RG), 2- (2H-benzotriazol-2-yl) -4- (1,1,3,3-tetramethylbutyl) phenol (BASF; TINUVIN329), 2- ( 2H-benzotriazol-2-yl) -4,6-bis (1-methyl-1-phenylethyl) phenol (manufactured by BASF; TINUVIN234).
- hydroxyphenyltriazines examples include 2,4-bis (2-hydroxy-4-butyroxyphenyl) -6- (2,4-butyroxyphenyl) -1,3,5-triazine (manufactured by BASF: TINUVIN460).
- the resin composition used in the present invention can be used by mixing with other polymers other than the methacrylic resin (A) and the triblock copolymer (B) within a range not impairing the effects of the present invention.
- other polymers include polyolefin resins such as polyethylene, polypropylene, polybutene-1, poly-4-methylpentene-1, and polynorbornene; ethylene ionomers; polystyrene, styrene-maleic anhydride copolymer, and high impact polystyrene.
- AS resin AS resin, ABS resin, AES resin, AAS resin, ACS resin, MBS resin and other styrene resins; methyl methacrylate-styrene copolymer; polyethylene terephthalate, polybutylene terephthalate and other polyester resins; nylon 6, nylon 66, polyamide Polyamides such as elastomers; polycarbonate, polyvinyl chloride, polyvinylidene chloride, polyvinyl alcohol, ethylene-vinyl alcohol copolymer, polyacetal, polyvinylidene fluoride Polyurethanes, modified polyphenylene ether, polyphenylene sulfide, silicone-modified resins; acrylic rubber, silicone rubber; SEPS, SEBS, styrene-based thermoplastic elastomers such as SIS, IR, EPR, and olefin-based rubber such as EPDM and the like.
- the method for preparing the resin composition used in the present invention is not particularly limited, but, for example, a melt kneading method is recommended in order to improve the dispersibility of each component constituting the resin composition.
- a melt kneading method is recommended in order to improve the dispersibility of each component constituting the resin composition.
- these and an additive may be mixed at the same time as necessary, or the methacrylic resin (A) is mixed with the additive. Then, you may mix with a triblock copolymer (B).
- the kneading operation can be performed using a known mixing or kneading apparatus such as a kneader ruder, an extruder, a mixing roll, or a Banbury mixer.
- a twin screw extruder from the viewpoint of improving the kneadability and compatibility of the methacrylic resin (A) and the triblock copolymer (B).
- the shear rate during melt kneading is preferably 10 to 1000 / sec.
- the temperature at the time of mixing and kneading is suitably adjusted according to the melting temperature of the methacrylic resin (A) and triblock copolymer (B) used, etc., preferably in the range of 110 to 300 ° C., More preferably, it is in the range of 180 to 300 ° C.
- the resin composition of this invention can be obtained with arbitrary forms, such as a pellet and powder.
- the resin composition in the form of pellets, powders and the like is suitable for use as a molding material.
- the triblock copolymer (B) is dissolved in a mixed solution of an acrylic monomer that is a monomer unit of the methacrylic resin (A) and a solvent such as toluene, and the acrylic monomer is polymerized to obtain a triblock copolymer.
- the resin composition used for this invention containing a block copolymer (B) can also be prepared.
- the molded product of the present invention is a molded product comprising a molded product formed from the resin composition of the present invention.
- a melt extrusion molding method such as a T-die method, a calendar method, an inflation method, an injection molding method, or the like can be applied.
- the molded product of the present invention may be a molded product composed only of the resin composition of the present invention, or a molded product composed of the resin composition of the present invention and a molded product composed of another resin composition, for example. It may be a molded body integrated by, for example.
- the film of the present invention has at least a resin film (R) formed from the resin composition of the present invention. That is, the film of the present invention may be a film composed only of the resin film (R) or a film in which other layers are laminated.
- the resin film (R) formed from the resin composition of the present invention can be produced using a known method such as a T-die method, an inflation method, a melt casting method, or a calendar method. From the viewpoint of obtaining a resin film (R) having good surface smoothness and low haze, the molten kneaded product is extruded from a T die in a molten state, and both surfaces thereof are brought into contact with a mirror roll surface or a mirror belt surface and molded. A method comprising steps is preferred. The roll or belt used at this time is preferably made of metal.
- the pinching pressure by the mirror roll or the mirror belt is preferably 3 N / mm or more as a linear pressure, more preferably 5 N / mm or more, and particularly preferably 7 N / mm or more.
- the upper limit is preferably 50 N / mm or less, more preferably 30 N / mm or less, and particularly preferably 15 N / mm or less.
- an extruder type melt extrusion apparatus with a single screw or a twin screw extrusion screw can be used.
- the melt extrusion temperature for producing the resin film (R) is preferably 200 ° C. or higher, more preferably 220 ° C. or higher. Moreover, it is preferable to set it as 300 degrees C or less, and it is more preferable to set it as 270 degrees C or less. Further, when melt extrusion is performed using a melt extrusion apparatus, it is preferable to use a vent and perform melt extrusion under reduced pressure or melt extrusion under a nitrogen stream from the viewpoint of suppressing coloring.
- the surface temperature of the mirror roll or mirror belt sandwiching the resin film (R) is 60 ° C. or higher. It is preferable that the temperature be 70 ° C. or higher. Moreover, it is preferable to set it as 130 degrees C or less, and it is more preferable to set it as 100 degrees C or less. When the surface temperature of the mirror roll or mirror belt sandwiching the resin film (R) is less than 60 ° C, the surface smoothness and haze of the resulting resin film (R) tend to be insufficient, and the surface temperature exceeds 130 ° C.
- the roughness of at least one surface of the resin film (R) is preferably 2.5 nm or less, more preferably 1.5 nm or less. As a result, it has excellent surface smoothness, excellent handleability at the time of cutting and punching, etc., and when used in applications requiring design properties, it has excellent surface gloss and can be printed on the film of the present invention. When it is applied, it is excellent in the sharpness of the pattern layer. Moreover, in optical use, it is excellent in optical characteristics such as light transmittance and in shaping accuracy when performing surface shaping.
- the haze of the resin film (R) is preferably 0.7% or less, more preferably 0.3% or less, and further preferably 0.2% or less. Thereby, when it is used for the use for which designability is required, it is excellent in surface gloss and sharpness of a picture layer printed on the film of the present invention. Moreover, in optical uses, such as a liquid-crystal protective film and a light guide film, since the utilization efficiency of a light source increases, it is preferable. Furthermore, it is preferable because it is excellent in shaping accuracy when performing surface shaping.
- the resin film (R) has a smaller haze temperature dependency. Accordingly, in applications where transparency is required in a wide temperature range or when used at high temperatures, transparency is not impaired and is advantageous.
- the impact resistance of the resin film (R) is preferably 40 mJ or more, more preferably 50 mJ or more. This is preferable because a film that is difficult to break is obtained and the productivity of the film is improved.
- the thickness of the resin film (R) is preferably 500 ⁇ m or less. If it is thicker than 500 ⁇ m, the laminating property, the handling property at the time of cutting or punching, etc. are lowered, it becomes difficult to use as a resin film (R), and the unit price per unit area increases, which is economically disadvantageous. Therefore, it is not preferable.
- the resin film (R) may be subjected to a stretching treatment.
- a resin film (R) that has high mechanical strength and is difficult to crack can be obtained.
- the stretching method is not particularly limited, and examples thereof include a simultaneous biaxial stretching method, a sequential biaxial stretching method, a tuber stretching method, and a rolling method.
- the temperature during stretching is a temperature at which the lower limit is 5 ° C. higher than the glass transition temperature of the methacrylic resin and the upper limit is the glass transition temperature of the methacrylic resin from the viewpoint that the resin film (R) having high strength can be obtained uniformly.
- the temperature is 40 ° C higher. If the stretching temperature is too low, the molded body tends to break during stretching.
- the stretching temperature is too high, the effect of the stretching treatment is not sufficiently exhibited and the strength of the molded product is difficult to increase. Stretching is usually performed at 100 to 5000% / min. If the stretching speed is low, the strength is hardly increased and the productivity is also lowered. On the other hand, if the stretching speed is high, the molded body may be broken and uniform stretching may be difficult. It is preferable to perform heat setting after stretching. A film with little heat shrinkage can be obtained by heat setting. The thickness of the film obtained by stretching is preferably 10 to 200 ⁇ m.
- Resin film (R) may be colored.
- a coloring method a composition of the methacrylic resin (A) and the triblock copolymer (B) itself contains a pigment or a dye, and the resin itself before film formation is colored; a resin film (R)
- the dyeing method include coloring in a liquid in which the dye is dispersed, but the method is not particularly limited thereto.
- the resin film (R) may be printed on at least one surface. Patterns and colors such as pictures, characters and figures are added by printing.
- the pattern may be chromatic or achromatic.
- printing is preferably performed on the side in contact with another thermoplastic resin or thermosetting resin described later.
- the resin film (R) has at least one surface having a pencil hardness measured in accordance with JIS-K5600-5-4, preferably HB or harder, more preferably F or harder. Since the resin film (R) whose surface is harder than HB or harder than it is hard to be damaged, it is suitably used as a decorative and protective film for the surface of a molded product requiring a design property.
- the film of the present invention has at least one layer of (i) a layer made of a metal and / or a metal oxide, (ii) a thermoplastic resin layer, and (iii) a base material layer on at least one surface of the resin film (R). May be a laminated film.
- the method of laminating other layers is not particularly limited, and the layers can be laminated directly or via an adhesive layer.
- a base material layer non-woody fibers, such as a wooden base material and kenaf, etc. are mentioned, for example.
- One or more of these layers can be stacked.
- the film of this invention can laminate
- the thickness of the film of the present invention may vary depending on the application and is not limited, but is preferably 500 ⁇ m or less from the viewpoint of secondary workability.
- thermoplastic resins suitable for lamination include polycarbonate resin, polyethylene terephthalate resin, polyamide resin, polyethylene resin, polypropylene resin, polystyrene resin, polyvinyl chloride resin, other (meth) acrylic resins, ABS (acrylonitrile-butadiene- Styrene copolymer), ethylene vinyl alcohol resin, polyvinyl butyral resin, polyvinyl acetal resin, styrene thermoplastic elastomer, olefin thermoplastic elastomer, acrylic thermoplastic elastomer, and the like.
- the method for producing the laminated film is not particularly limited.
- a method of laminating continuously between heating rolls, a method of thermocompression bonding with a press, compressed air or vacuum forming A method of laminating simultaneously, a method of laminating with an adhesive layer (wet lamination);
- a method of obtaining a film in which and are laminated in which and are laminated.
- surface treatment such as corona treatment may be applied to the bonding surface side of the resin film (R) or other thermoplastic resin film before lamination. .
- examples of the metal include aluminum, silicon, magnesium, palladium, zinc, tin, nickel, silver, copper, gold, indium, Stainless steel, chromium, titanium, etc.
- examples of the metal oxide include aluminum oxide, zinc oxide, antimony oxide, indium oxide, calcium oxide, cadmium oxide, silver oxide, gold oxide, chromium oxide, Silicon oxide, cobalt oxide, zirconium oxide, tin oxide, titanium oxide, iron oxide, copper oxide, nickel oxide, platinum oxide, palladium oxide, bismuth oxide, magnesium oxide, manganese oxide, molybdenum oxide, vanadium oxide, barium oxide, etc. Can be used.
- metals and metal oxides may be used alone or as a mixture of two or more.
- indium has an excellent design, and it is difficult to lose its gloss even when deep drawing a film in which a metal layer is provided on the resin film (R) by vapor deposition and the other layers are laminated. This is preferable.
- Aluminum is particularly preferable when it does not require a deep drawing because it has an excellent design and can be obtained industrially at a low cost.
- a vacuum deposition method is usually used, but a method such as ion plating, sputtering, CVD (Chemical Vapor Deposition) may be used.
- the thickness of the deposited film made of metal and / or metal oxide is generally about 5 to 100 nm. When deep drawing is performed after the layer is formed, the thickness is preferably 5 to 250 nm.
- the resin film (R) may be used alone, in the inner layer or a part thereof, or in the outermost layer.
- the other resin used for the lamination is preferably a transparent resin such as a methacrylic resin from the viewpoint of the design of the film.
- the outermost layer preferably has high surface hardness and weather resistance, and for example, a film made of a methacrylic resin or a resin film (R) is preferable.
- the article of the present invention is such that the film of the present invention is provided on the surface of an article such as another thermoplastic resin, thermosetting resin, wood base material or non-wood fiber base material.
- thermoplastic resins used in the article include polycarbonate resin, polyethylene terephthalate resin, polyamide resin, polyethylene resin, polypropylene resin, polystyrene resin, polyvinyl chloride resin, other (meth) acrylic resins, ABS (acrylonitrile-butadiene) -Styrene copolymerization) resin, ethylene vinyl alcohol resin, polyvinyl butyral resin, polyvinyl acetal resin, styrene thermoplastic elastomer, olefin thermoplastic elastomer, acrylic thermoplastic elastomer, and the like.
- thermosetting resins include epoxy resins, phenol resins, and melamine resins.
- the article of the present invention may be one in which the film of the present invention or the laminated film of the present invention is provided on the surface of a base material made of non-woody fibers such as a wooden base material or kenaf.
- the method for producing the article of the present invention is not particularly limited.
- the film of the present invention or laminated film to the surface of another thermoplastic resin, thermosetting resin, wooden base material or non-wood fiber base material by heating under vacuum forming, pressure forming, or compression molding.
- the article of the present invention can be obtained.
- a film comprising the resin film (R) formed from the resin composition of the present invention is provided on the outermost layer of a molded body or a substrate, whereby surface smoothness, surface Excellent hardness and surface gloss.
- a pattern or the like is clearly displayed.
- mirror glossiness equivalent to a metal is acquired.
- a preferred method is a method generally called an injection molding simultaneous bonding method.
- the film of the present invention is inserted between male and female molds for injection molding, and a thermoplastic resin melted from one surface of the film is injected into the mold to form an injection molded body. At the same time, the film is bonded to the molded body.
- the film to be inserted into the mold may be a flat film as it is, or may be preliminarily formed into a concavo-convex shape by vacuum forming, pressure forming or the like.
- the preforming of the film may be performed by a separate molding machine, or may be preformed in a mold of an injection molding machine used for the injection molding simultaneous bonding method.
- the latter method that is, a method of injecting a molten resin on one surface after preforming a film is called an insert molding method.
- the other thermoplastic resin layers laminated are arranged on the resin side to be injection-molded, that is, the film of the present invention is the outermost surface. . In this way, an article provided with the film of the present invention on the outermost layer can be obtained.
- the resin composition of the present invention is excellent in transparency, surface hardness, surface smoothness, etc., is less whitened when heated, and is excellent in impact resistance. Therefore, the molded body and film formed using the resin composition of the present invention are excellent in transparency, surface hardness, surface smoothness, etc., are less whitened when heated, and are further excellent in impact resistance. According to the present invention, this excellent feature can be utilized to be suitably used for products requiring design properties and optical applications.
- the present invention will be described more specifically with reference to examples and comparative examples.
- this invention is not restrict
- the present invention includes all aspects that are obtained by arbitrarily combining the above-described items representing technical characteristics such as characteristic values, forms, manufacturing methods, and uses.
- the measurement of the physical-property value in an Example and a comparative example was implemented with the following method.
- melt viscosity The melt viscosity of the methacrylic resin (A) and the triblock copolymer (B) at 220 ° C. and a shear rate of 122 / sec is 220 ° C. using a capillograph (Model 1D manufactured by Toyo Seiki Seisakusho Co., Ltd.) with a diameter of 1 mm ⁇ , long Extrusion was performed from a 10 mm long capillary at a piston speed of 10 mm / min, and the value was evaluated from the shear stress generated at that time.
- a capillograph Model 1D manufactured by Toyo Seiki Seisakusho Co., Ltd.
- the observation area of the sample was 5 ⁇ m ⁇ 5 ⁇ m, and the measurement frequency was 0.5 Hz.
- the number of scan lines was 512 on the X axis and 512 on the Y axis.
- the measurement was performed in an atmospheric environment at 25 ° C. ⁇ 2 ° C. and humidity 30 ⁇ 5%.
- the obtained measurement data was analyzed by data processing software attached to the apparatus, and the average surface roughness Ra was obtained. That is, after selecting the [Third-order tilt correction] command in the [Tool] menu of the measurement software of the apparatus and correcting the entire tilt of the film and large waviness, the [Surface roughness analysis] command in the [Analysis] menu is selected.
- the average surface roughness Ra was selected.
- the average surface roughness Ra is a value obtained by averaging the absolute values of deviations from the reference surface to the designated surface, and is defined by the following equation.
- F (X, Y) represents a height value in the (X, Y) coordinates.
- Z 0 represents the average value of Z data defined below.
- S 0 represents the area of the measurement region.
- This average surface roughness Ra was measured at 10 different regions on both sides of the film (for convenience, the A surface and the B surface), and the average value of the average surface roughness Ra at 10 locations was defined as the surface roughness of the film. .
- the cubic inclination correction was performed by fitting the measured sample surface with a cubic surface by least square approximation to eliminate the influence of the inclination and waviness of the film sample.
- shock resistance A film was affixed to a steel mounting plate having a gap, and an iron ball having a weight of 20 g was freely dropped onto the film in the gap. The free fall height was changed in increments of 10 cm, and the impact strength was evaluated from the highest height that did not break.
- the thickness at a position of 50 mm from the end is set to 20 by 10 mm along the flow direction using a micrometer (manufactured by Mitutoyo; MPC-25MXT). The point was measured. The difference between the maximum value and the minimum value of the measured thickness was calculated and evaluated according to the following criteria. Excellent: The thickness difference is less than 2 ⁇ m. Good: The difference in thickness is 2 ⁇ m or more and less than 4 ⁇ m. Possible: thickness difference is 4 ⁇ m or more and less than 5 ⁇ m. Poor: The thickness difference is 5 ⁇ m or more.
- the compound was dried and purified by a conventional method and degassed with nitrogen.
- the compound was transferred and supplied in a nitrogen atmosphere.
- a pressure-resistant polymerization tank 420 parts by mass of the mixed liquid and 210 parts by mass of the raw material liquid were charged, and the polymerization reaction was started at a temperature of 70 ° C. while stirring in a nitrogen atmosphere. After 3 hours from the start of the polymerization reaction, the temperature was raised to 90 ° C. and stirring was continued for 1 hour to obtain a liquid in which the bead copolymer was dispersed. Although some polymer adhered to the wall of the polymerization tank or the stirring blade, there was no foaming and the polymerization reaction proceeded smoothly.
- the obtained copolymer dispersion is washed with an appropriate amount of ion-exchanged water, and the bead-shaped copolymer is taken out with a bucket-type centrifuge and dried with a hot air dryer at 80 ° C. for 12 hours.
- (A) (hereinafter referred to as “methacrylic resin (A-1)”) was obtained.
- the resulting methacrylic resin (A-1) had a methyl methacrylate content of 100% by mass, a melt viscosity of 220 Pa, a shear rate of 122 / sec, and 3000 Pa ⁇ s.
- Reference Example 2 Synthesis of methacrylic resin (A-2)] In the same manner as in Reference Example 1, except that the monomers used were 99.3 parts by weight of methyl methacrylate and 0.7 parts by weight of methyl acrylate, and the amount of the chain transfer agent was changed to 0.24 parts by weight. Resin (A-2) was polymerized and produced. The resulting methacrylic resin (A-2) had a methyl methacrylate content of 99.3% by mass, a melt viscosity at 220 ° C. and a shear rate of 122 / sec was 2780 Pa ⁇ s.
- the obtained triblock copolymer has a tribook structure of (b2-1)-(b1)-(b2-2), and (b2-1)-(b1)-(b2-2)
- the composition ratio was 15 mass% -50 mass% -35 mass%.
- the melt viscosity of the triblock copolymer (B-1) at 220 ° C. and a shear rate of 122 / sec was 377 Pa ⁇ s.
- the block (b2-2) when the triblock copolymer (B) is 100% by mass, the block (b2-2) is more mass% than the block (b2-1).
- the mass ratio of (b2-2) / (b2-1), that is, (b2 (H)) / (b2 (L)) was 2.3.
- Example 1 85 parts by weight of methacrylic resin (A-1), 15 parts by weight of triblock copolymer (B-1), processing aid A (manufactured by Dow; Paraloid K125; 79% by weight of methyl methacrylate and 21 parts by weight of butyl acrylate units) % Copolymer and 1.5 parts by weight of average polymerization degree 20,000), and 1 part by weight of UV-blocking agent B (manufactured by BASF; Tinuvin 479) were added at 82 / sec, 250 by a twin screw extruder.
- the resin composition pellets were manufactured by melt-kneading at 0 ° C., extruding into strands, and cutting with a pelletizer.
- the obtained resin composition was melted by a 65 mm ⁇ vent type single screw extruder, extruded from a die having a width of 900 mm at an extrusion temperature of 250 ° C. at a discharge rate of 40 kg / h, and a metal elastic roll having a surface temperature of 80 ° C. and a surface temperature of 80
- the resin film (R) having a thickness of 75 ⁇ m was produced by sandwiching between metal rigid rolls at 0 ° C. at a linear pressure of 9 N / mm and taking it out at 10 m / min.
- the haze, pencil hardness, surface roughness, stress whitening, and temperature whitening (80 ° C.) of the obtained resin film (R) were measured.
- Example 2 Except for following the formulation shown in Table 1, a film was obtained by the same method as in Example 1, and physical properties were evaluated by the same method.
- the processing aid B and the ultraviolet absorber A in Table 1 are processing aids B (manufactured by Mitsubishi Rayon Co., Ltd .; methabrene P530A; methyl methacrylate 80% by mass and butyl acrylate units 20% by mass). And an average degree of polymerization of 24,000) and an ultraviolet absorber A (manufactured by ADEKA; LA31RG). The results are shown in Table 1.
- a methacrylic resin (A) having a structural unit derived from methyl methacrylate of 80% by mass or more and having a melt viscosity ⁇ (A) of 1500 to 3500 Pa ⁇ s at 220 ° C. and a shear rate of 122 / sec. 65 to 99 parts by mass, and 40 to 70% by mass of the methacrylic acid ester polymer block (b2) and 30 to 60% by mass of the acrylate polymer block (b1), and 220 ° C. and a shear rate of 122 / sec. 1 to 35 parts by mass of a triblock copolymer (B) having a melt viscosity ⁇ (B) of 75 to 1500 Pa ⁇ s at 220 ° C.
- a resin composition having a ratio ( ⁇ (A) / ⁇ (B)) of 1 to 20 is excellent in transparency, surface hardness, surface smoothness, etc., has low whitening when heated to a high temperature, and has high resistance. It turns out that it is a composition which can form the film and molded object excellent in impact property. Moreover, the article produced using the laminated film of Example 1 had good specular gloss.
- the molded article, film or article of the present invention utilizes a good handleability, a good surface smoothness and a high surface hardness, and is a molded article requiring a design property or a high optical characteristic,
- Billboard parts such as advertising tower, stand signboard, sleeve signboard, bamboard signboard, rooftop signboard; display parts such as showcases, partition plates, store displays; fluorescent lamp covers, mood lighting covers, lamp shades, light ceilings, light walls, Lighting parts such as chandeliers; Interior parts such as furniture, pendants, mirrors; Building parts such as doors, domes, safety window glass, partitions, staircases, balconies, roofs of leisure buildings; aircraft windshields, pilot visors , Motorcycle, motor boat windshield, bus shading plate, automotive side visor, rear visor, head wing, headlight Transportation equipment-related parts such as covers, automobile interior parts, automobile exterior parts such as bumpers; electronic equipment parts such as nameplates for audio visuals, stereo covers, TV protective masks, vending machines, mobile phones, personal computers; incubators,
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Abstract
Description
アクリル酸エステル重合体ブロック(b1)の両末端に其々メタクリル酸エステル重合体ブロック(b2)が結合したトリブロック共重合体(B)1~35質量部を含み、
トリブロック共重合体(B)中にアクリル酸エステル重合体ブロック(b1)を30~60質量%、メタクリル酸エステル重合体ブロック(b2)を40~70質量%有し、且つトリブロック共重合体(B)の220℃、せん断速度122/secにおける溶融粘度η(B)が75~1500Pa・sであり、
更に、溶融粘度η(A)と溶融粘度η(B)の比η(A)/η(B)が、1~20である樹脂組成物。
[2] トリブロック共重合体(B)を100質量%としたときに、アクリル酸エステル重合体ブロック(b1)の両末端に其々結合するメタクリル酸エステル重合体ブロック(b2)の質量%が互いに異なるものであり、
前記質量%の高いブロックを(b2(H))、前記質量%の低いブロックを(b2(L))としたときに、トリブロック共重合体(B)における(b2(H))の質量%とブロック(b2(L))の質量%の比、(b2(H))/(b2(L))が1.3以上である、[1]の樹脂組成物。
[3] 前記樹脂組成物100質量部に対して、メタクリル酸メチル単位60質量%以上およびメタクリル酸メチルと共重合可能なビニル系単量体単位40質量%以下からなり且つ平均重合度が3,000~40,000である加工助剤0.3~3質量部をさらに含有する、[1]又は[2]の樹脂組成物。
[4] [1]~[3]のいずれかの樹脂組成物から形成されてなる成形物を具備する成形体。
[5] [1]~[3]のいずれかの樹脂組成物から形成されてなる樹脂フィルム(R)を少なくとも具備するフィルム。
[6] 樹脂フィルム(R)のヘーズが0.7%以下である、[5]のフィルム。
[7] 樹脂フィルム(R)の少なくとも一方の面の表面粗度が2.5nm以下である、[5]又は[6]のフィルム。
[8] 樹脂フィルム(R)の少なくとも一方の面の表面の鉛筆硬度がHB以上である、[5]~[7]のいずれかのフィルム。
[9] 樹脂フィルム(R)の耐衝撃性が40mJ以上である、[5]~[8]のいずれかのフィルム。
[10] 樹脂フィルム(R)の少なくとも一方の面に印刷が施されている、[5]~[9]のいずれかのフィルム。
[11] 樹脂フィルム(R)の少なくとも一方の面に、(i)金属および/または金属酸化物よりなる層、(ii)熱可塑性樹脂層および(iii)基材層の少なくとも1層が積層されている、[5]~[10]のいずれかのフィルム。
[12] [5]~[11]のいずれかのフィルムを表面に設けた物品。
[13] メタクリル酸メチルに由来する構造単位を80質量%以上有し、且つ220℃、せん断速度122/secにおける溶融粘度η(A)が1500~3500Pa・sであるメタクリル樹脂(A)を得る工程と、
アクリル酸エステル重合体ブロック(b1)の両末端に其々メタクリル酸エステル重合体ブロック(b2)が結合し、且つアクリル酸エステル重合体ブロック(b1)が30~60質量%、メタクリル酸エステル重合体ブロック(b2)が40~70質量%含まれ、220℃、せん断速度122/secにおける溶融粘度η(B)が75~1500Pa・sであるトリブロック共重合体(B)を得る工程と、
メタクリル樹脂(A)65~99質量部およびトリブロック共重合体(B)1~35質量部を含む樹脂組成物を溶融混練する工程とを含み、
溶融粘度η(A)と溶融粘度η(B)の比η(A)/η(B)が1~20であり、
前記溶融混練する工程は、せん断速度10~1000/sec、温度180~300℃で行う樹脂組成物の製造方法。
[14] [1]~[3]のいずれかの樹脂組成物をTダイから押出し、鏡面ロール又はベルトで挟み込むフィルムの製造方法であって、前記鏡面ロール又はベルトの表面温度を60~130℃とする、フィルムの製造方法。
紫外線吸収剤としては、ベンゾフェノン類、ベンゾトリアゾール類、トリアジン類、ベンゾエート類、サリシレート類、シアノアクリレート類、蓚酸アニリド類、マロン酸エステル類、ホルムアミジン類などが挙げられる。これらは1種単独でまたは2種以上を組み合わせて用いることができる。これらの中でも、紫外線に照射された場合の樹脂劣化の抑制力が高く、樹脂との相溶性が高いことから、ベンゾトリアゾール類、ヒドロキシフェニルトリアジン類が好ましく、ヒドロキシフェニルトリアジン類が特に好ましい。
ヒドロキシフェニルトリアジン類としては、2,4-ビス(2-ヒドロキシ-4-ブチロキシフェニル)-6-(2,4-ブチロキシフェニル)-1,3,5-トリアジン(BASF社製:TINUVIN460)、2-(4-((2-ヒドロキシ-3-(2-エチル)ヘキシル)オキシ)-2-ヒドロキシフェニル)-4、6-ビス(2,4-ジメチルフェニル)-1,3,5トリアジン(BASF社製;TINUVIN405)、2-(2-ヒドロキシ-4-(1-オクチルオキシカルボニルエトキシ)フェニル)-4,6-ビス(4-フェニル)-1,3,5-トリアジン(BASF社製;TINUVIN479)、BASF社製;TINUVIN1477などが挙げられる。
二軸押出機を使用し溶融混練する場合、着色抑制の観点から、ベントを使用し、減圧下での溶融混練または窒素気流下での溶融混練を行うことが好ましい。このようにして、本発明の樹脂組成物を、ペレット、粉末などの任意の形態で得ることができる。ペレット、粉末などの形態の樹脂組成物は、成形材料として使用するのに好適である。
また、トリブロック共重合体(B)を、メタクリル樹脂(A)の単量体単位であるアクリル系モノマーとトルエン等の溶媒の混合溶液に溶解し、該アクリル系モノマーを重合することにより、トリブロック共重合体(B)を含む、本発明に用いられる樹脂組成物を調製することもできる。
積層に適した他の熱可塑性樹脂としては、ポリカーボネート樹脂、ポリエチレンテレフタレート樹脂、ポリアミド樹脂、ポリエチレン樹脂、ポリプロピレン樹脂、ポリスチレン樹脂、ポリ塩化ビニル樹脂、他の(メタ)アクリル樹脂、ABS(アクリロニトリル-ブタジエン-スチレン共重合)、エチレンビニルアルコール樹脂、ポリビニルブチラール樹脂、ポリビニルアセタール樹脂、スチレン系熱可塑性エラストマー、オレフィン系熱可塑性エラストマー、アクリル系熱可塑性エラストマーなどが挙げられる。
これらの方法のうち、(1)または(2)の方法では、ラミネート前に、樹脂フィルム(R)または他の熱可塑性樹脂フィルムの貼り合せ面側にコロナ処理などの表面処理を施してもよい。
本発明の物品は、本発明のフィルムが、他の熱可塑性樹脂、熱硬化性樹脂、木質基材または非木質繊維基材等の物品の表面に設けられてなるものである。
この射出成形同時貼合法は、本発明のフィルムを射出成形用雌雄金型間に挿入し、その金型に該フィルムの一方の面から溶融した熱可塑性樹脂を射出して、射出成形体を形成すると同時に、その成形体に前記フィルムを貼合する方法である。
フィルムの予備成形は、別個の成形機で行ってもよいし、射出成形同時貼合法に用いる射出成形機の金型内で予備成形を行ってもよい。後者の方法、即ち、フィルムを予備成形した後その片面に溶融樹脂を射出する方法は、インサート成形法と呼ばれる。
本発明のフィルムを用いる場合には、積層された他の熱可塑性樹脂の層が射出成形される樹脂側になるように、即ち、本発明のフィルムが最表面となるように配置することが好ましい。このようにして、最表層に本発明のフィルムが設けられた物品を得ることができる。
メタクリル樹脂およびトリブロック共重合体の各構成単位の割合は、各モノマーの仕込み量より算出した。
メタクリル樹脂(A)およびトリブロック共重合体(B)の、220℃、せん断速度122/secにおける溶融粘度は、キャピログラフ(東洋精機製作所社製 型式1D)を用いて220℃で、直径1mmΦ、長さ10mmのキャピラリーより、ピストンスピード10mm/分の速度で押出し、その際に生じるせん断応力から評価される数値とした。
65mmΦベント式一軸押出機を用い、幅900mmのダイより押出温度250℃にて、吐出量40kg/hにて押出し、表面温度80℃の金属弾性ロールと表面温度80℃の金属剛体ロール間で、線圧9N/mmで挟み込み、10m/分で引き取り、厚さ75μmのフィルムを製造した。
前述の製造条件より製造されたフィルムを50mm×50mmに切り出して試験片とし、JIS K7136に準拠して23℃にてヘーズを測定した。
前述の製造条件より製造されたフィルムを10cm×10cmに切り出して試験片とし、JIS-K5600-5-4に準拠して鉛筆硬度を測定した。
前述の製造条件より製造されたフィルムを5mm×5mmに切り出して試験片とした。原子間力顕微鏡(エスアイアイ・ナノテクノロジー社製SPI4000プローブステーションE-sweep環境制御ユニット)を用いて、表面の形状をDFMモードによって測定した。プローブはエスアイアイ・ナノテクノロジー社製SI-DF20(背面Al)を用いた。試料測定に先立ち、ピッチ10μm、段差100nmの参照試料を測定し、装置のX軸、Y軸の測定誤差が10μmに対して5%以下、Z軸の誤差が100nmに対して5%以下であることを確認した。
3次傾き補正は、測定した試料表面を3次の曲面で最小2乗近似によってフィッティングすることによって行い、フィルム試料の傾きおよびうねりの影響を排除するために行った。
前述の製造条件より製造されたフィルムを用いて、50mm×50mmの試験片を切り出し、JIS K7136に準拠してのヘーズ(加熱前)を測定後、80℃のオーブンの中に10分間放置した。試験片をオーブンから取り出し、直ちに、ヘーズメーター(村上色彩技術研究所社製 ヘーズメーターHM-150)によりJIS K7136に準拠してヘーズ(加熱後)を測定し、以下の評価基準で判定した。なお、ここでヘーズの変化とは、以下の式で表されるものである。
ヘーズの変化=ヘーズ(加熱後)-ヘーズ(加熱前)
優(Excellent):ヘーズの変化が0.1%以下。
良(Good):ヘーズの変化が0.1%より大きく、0.5%以下。
劣(Poor):ヘーズの変化が0.5%より大きい。
前述の製造条件により製造された樹脂フィルム(R)を20cm×30cmに切り出して、その片面にコロナ放電処理を施し、次いでアルミニウムを真空蒸着法により蒸着し、積層フィルムを得た。アルミニウム層の厚さは30nmであった。この積層フィルムの非蒸着面の鏡面光沢性を目視にて外観評価した。
優(Excellent):鏡面光沢あり。
良(Good):やや鏡面光沢あり。
劣(Poor):鏡面光沢なし。
空隙の開いた鋼製取り付け板にフィルムを貼り付け、そこの空隙部分のフィルムに重さ20gの鉄球を自由落下させた。自由落下させる高さを10cm刻みで変更し、その破断しない最高の高さより衝撃強度を評価した。
前述の製造条件により製造された樹脂フィルム(R)について、端部から50mmの位置の厚さを、マイクロメーター(Mitutoyo社製;MPC-25MXT)を用いて、流れ方向に沿って10mm毎に20点測定した。測定した厚さの最大値と最小値の差を計算し、以下の基準で評価した。
優(Excellent):厚さの差が2μm未満。
良(Good):厚さの差が2μm以上、4μm未満。
可(Possible):厚さの差が4μm以上、5μm未満。
劣(Poor):厚さの差が5μm以上。
下記実施例1の条件により得られた積層フィルムに真空圧空成形機を用いて、加熱温度160℃でABS樹脂を貼り合わせることで物品を得た。
メタクリル酸メチル100質量部からなる単量体に重合開始剤(2,2’-アゾビス(2-メチルプロピオニトリル)、水素引抜能:1%、1時間半減期温度:83℃)0.1質量部および連鎖移動剤(n-オクチルメルカプタン)0.21質量部を加え溶解させて原料液を得た。
イオン交換水100質量部、硫酸ナトリウム0.03質量部および懸濁分散剤0.45質量部を混ぜ合わせて混合液を得た。耐圧重合槽に、前記混合液420質量部と前記原料液210質量部を仕込み、窒素雰囲気下で撹拌しながら、温度を70℃にして重合反応を開始させた。重合反応開始後、3時間経過時に、温度を90℃に上げ、撹拌を引き続き1時間行って、ビーズ状共重合体が分散した液を得た。なお、重合槽壁面あるいは撹拌翼にポリマーが若干付着したが、泡立ちもなく、円滑に重合反応が進んだ。
得られた共重合体分散液を適量のイオン交換水で洗浄し、バケット式遠心分離機により、ビーズ状共重合体を取り出し、80℃の熱風乾燥機で12時間乾燥し、ビーズ状のメタクリル樹脂(A)(以下「メタクリル樹脂(A-1)」と称する)を得た。
得られたメタクリル樹脂(A-1)は、メタクリル酸メチル含量が100質量%であり、220℃、せん断速度122/secの溶融粘度が3000Pa・sであった。
使用した単量体をメタクリル酸メチル99.3質量部、アクリル酸メチル0.7質量部にし、連鎖移動剤の量を0.24質量部に変更した以外は、参考例1と同様にしてメタクリル樹脂(A-2)を重合、製造した。得られたメタクリル樹脂(A-2)は、メタクリル酸メチル含量が99.3質量%であり、220℃、せん断速度122/secの溶融粘度が2780Pa・sであった。
トルエン溶液中、ヘキサメチルトリエチレンテトラミン、イソブチルビス(2,6-ジ-tert-ブチル-4-メチルフェノキシ)アルミニウムの触媒下で、sec-ブチルリチウムを重合開始剤として重合した。15質量部のメタクリル酸メチルを滴下してメタクリル酸エステル重合体ブロック(b2-1)を重合した後、50質量部のアクリル酸n-ブチルを滴下してアクリル酸エステル重合体ブロック(b1)を重合し、さらに35質量部のメタクリル酸メチルを滴下してメタクリル酸エステル重合体ブロック(b2-2)を重合し、最後にメタノールで停止して、トリブロック共重合体(B-1)を得た。得られたトリブロック共重合体は、(b2-1)-(b1)-(b2-2)のトリブック構造をしており、(b2-1)-(b1)-(b2-2)の組成比は、15質量%-50質量%-35質量%であった。また、トリブロック共重合体(B-1)の220℃、せん断速度122/secの溶融粘度は377Pa・sであった。ブロック(b2-1)とブロック(b2-2)は、トリブロック共重合体(B)を100質量%としたときに、ブロック(b2-2)の方がブロック(b2-1)より質量%が高く、(b2-2)/(b2-1)の質量%の比、即ち、(b2(H))/(b2(L))は2.3であった。
参考例3と同様の溶媒、触媒条件下、重合開始剤を調整することで分子量を調整し、重合性単量体の量を調整し、メタクリル酸メチルからなる(b2-1)-アクリル酸ブチルからなる(b1)-メタクリル酸メチルからなる(b2-2)の構造を有するトリブロック共重合体(B-2)を得た。(b2-1)-(b1)-(b2-2)の組成比は、15質量%-70質量%-15質量%であった。また、得られたトリブロック共重合体(B-2)の220℃、せん断速度122/secの溶融粘度は650Pa・sであった。(b2-1)の質量%に対する(b2-2)の質量%の比、(b2-1)/(b2-2)は1であった。
参考例3と同様の溶媒、触媒条件下、重合開始剤を調整することで分子量を調整し、重合性単量体の量を調整し、メタクリル酸メチルからなる(b2)-アクリル酸n-ブチル/アクリル酸ベンジル=50/50(質量比)からなる(b1)の構造を有するジブロック共重合体(B-3)を得た。(b2)-(b1)の組成比は、50質量%-50質量%である。得られたジブロック共重合体(B-3)の220℃、せん断速度122/secの溶融粘度は407Pa・sであった。
メタクリル樹脂(A-1)85質量部、トリブロック共重合体(B-1)15質量部、加工助剤A(ダウ社製;パラロイドK125;メタクリル酸メチル79質量%およびアクリル酸ブチル単位21質量%からなる共重合体であり、且つ平均重合度20,000)1.5質量部、紫外線防止剤B(BASF社製;チヌビン479)1質量部を、二軸押出機により82/sec、250℃で溶融混練し、ストランド状に押出し、ペレタイザーでカットすることで、樹脂組成物のペレットを製造した。
得られた樹脂組成物を65mmΦベント式1軸押出機で溶融し、幅900mmのダイより押出温度250℃にて吐出量40kg/hにて押出し、表面温度80℃の金属弾性ロールと表面温度80℃の金属剛体ロール間で線圧9N/mmで挟み込み、10m/分で引き取り、厚さ75μmの樹脂フィルム(R)を製造した。得られた樹脂フィルム(R)のヘーズ、鉛筆硬度、表面粗度、応力白化、温度白化(80℃)を測定した。また、この樹脂フィルム(R)の片面にコロナ放電処理を施し、次いでアルミニウムを真空蒸着法により蒸着した。アルミニウム層の厚さは30nmであった。こうして得られたフィルムの鏡面光沢性を評価した。表1にこれらの結果を示した。
表1に示す配合処方に従った以外は、実施例1と同じ方法でフィルムを得て、同じ方法で物性評価を行った。なお、表1における加工助剤Bおよび紫外線吸収剤Aは、加工助剤B(三菱レイヨン社製;メタブレンP530A;メタクリル酸メチル80質量%およびアクリル酸ブチル単位20質量%からなる共重合体であり、且つ平均重合度24,000)および紫外線吸収剤A(アデカ社製;LA31RG)である。結果を表1に示す。
表1に示す配合処方に従った以外は、実施例1と同じ方法でフィルムを得て、同じ方法で物性評価を行った。その結果を表1に示す。
Claims (14)
- メタクリル酸メチルに由来する構造単位を80質量%以上有し、且つ220℃、せん断速度122/secにおける溶融粘度η(A)が1500~3500Pa・sであるメタクリル樹脂(A)65~99質量部、および
アクリル酸エステル重合体ブロック(b1)の両末端に其々メタクリル酸エステル重合体ブロック(b2)が結合したトリブロック共重合体(B)1~35質量部を含み、
トリブロック共重合体(B)中にアクリル酸エステル重合体ブロック(b1)を30~60質量%、メタクリル酸エステル重合体ブロック(b2)を40~70質量%有し、且つトリブロック共重合体(B)の220℃、せん断速度122/secにおける溶融粘度η(B)が75~1500Pa・sであり、
更に、溶融粘度η(A)と溶融粘度η(B)の比η(A)/η(B)が、1~20である樹脂組成物。 - トリブロック共重合体(B)を100質量%としたときに、アクリル酸エステル重合体ブロック(b1)の両末端に其々結合するメタクリル酸エステル重合体ブロック(b2)の質量%が互いに異なるものであり、
前記質量%の高いブロックを(b2(H))、前記質量%の低いブロックを(b2(L))としたときに、トリブロック共重合体(B)における(b2(H))の質量%とブロック(b2(L))の質量%の比、(b2(H))/(b2(L))が1.3以上である、請求項1に記載の樹脂組成物。 - 前記樹脂組成物100質量部に対して、メタクリル酸メチル単位60質量%以上およびメタクリル酸メチルと共重合可能なビニル系単量体単位40質量%以下からなり且つ平均重合度が3,000~40,000である加工助剤0.3~3質量部をさらに含有する、請求項1又は2に記載の樹脂組成物。
- 請求項1~3のいずれか1項に記載の樹脂組成物から形成されてなる成形物を具備する成形体。
- 請求項1~3のいずれか1項に記載の樹脂組成物から形成されてなる樹脂フィルム(R)を少なくとも具備するフィルム。
- 樹脂フィルム(R)のヘーズが0.7%以下である、請求項5に記載のフィルム。
- 樹脂フィルム(R)の少なくとも一方の面の表面粗度が2.5nm以下である、請求項5又は6に記載のフィルム。
- 樹脂フィルム(R)の少なくとも一方の面の表面の鉛筆硬度がHB以上である、請求項5~7のいずれか1項に記載のフィルム。
- 樹脂フィルム(R)の耐衝撃性が40mJ以上である、請求項5~8のいずれか1項に記載のフィルム。
- 樹脂フィルム(R)の少なくとも一方の面に印刷が施されている、請求項5~9のいずれか1項に記載のフィルム。
- 樹脂フィルム(R)の少なくとも一方の面に、(i)金属および/または金属酸化物よりなる層、(ii)熱可塑性樹脂層および(iii)基材層の少なくとも1層が積層されている、請求項5~10のいずれか1項に記載のフィルム。
- 請求項5~11のいずれか1項に記載のフィルムを表面に設けた物品。
- メタクリル酸メチルに由来する構造単位を80質量%以上有し、且つ220℃、せん断速度122/secにおける溶融粘度η(A)が1500~3500Pa・sであるメタクリル樹脂(A)を得る工程と、
アクリル酸エステル重合体ブロック(b1)の両末端に其々メタクリル酸エステル重合体ブロック(b2)が結合し、且つアクリル酸エステル重合体ブロック(b1)が30~60質量%、メタクリル酸エステル重合体ブロック(b2)が40~70質量%含まれ、220℃、せん断速度122/secにおける溶融粘度η(B)が75~1500Pa・sであるトリブロック共重合体(B)を得る工程と、
メタクリル樹脂(A)65~99質量部およびトリブロック共重合体(B)1~35質量部を含む樹脂組成物を溶融混練する工程とを含み、
溶融粘度η(A)と溶融粘度η(B)の比η(A)/η(B)が1~20であり、
前記溶融混練する工程は、せん断速度10~1000/sec、温度180~300℃で行う樹脂組成物の製造方法。 - 請求項1~3のいずれか1項に記載の樹脂組成物をTダイから押出し、鏡面ロール又はベルトで挟み込むフィルムの製造方法であって、前記鏡面ロール又はベルトの表面温度を60~130℃とする、フィルムの製造方法。
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JP7177776B2 (ja) | 2017-08-24 | 2022-11-24 | 株式会社クラレ | 積層体およびその製造方法 |
JP7460464B2 (ja) | 2020-06-24 | 2024-04-02 | 株式会社クラレ | メタクリル系樹脂組成物及びその製造方法 |
CN116284553A (zh) * | 2021-12-20 | 2023-06-23 | 上海凯虹特种材料科技有限公司 | 一种超疏油疏水树脂及其制备方法 |
CN116284553B (zh) * | 2021-12-20 | 2024-03-15 | 上海凯虹特种材料科技有限公司 | 一种超疏油疏水树脂及其制备方法 |
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US10329394B2 (en) | 2019-06-25 |
JP6594404B2 (ja) | 2019-10-23 |
KR102475496B1 (ko) | 2022-12-07 |
CN107406657B (zh) | 2020-05-05 |
EP3266828A4 (en) | 2018-10-31 |
KR20170125042A (ko) | 2017-11-13 |
TW201641578A (zh) | 2016-12-01 |
US20180030223A1 (en) | 2018-02-01 |
CN107406657A (zh) | 2017-11-28 |
EP3266828A1 (en) | 2018-01-10 |
JPWO2016139950A1 (ja) | 2017-12-14 |
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