WO2012020618A1 - 粉体成形用塩化ビニル樹脂組成物、塩化ビニル樹脂成形体及び積層体 - Google Patents
粉体成形用塩化ビニル樹脂組成物、塩化ビニル樹脂成形体及び積層体 Download PDFInfo
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- WO2012020618A1 WO2012020618A1 PCT/JP2011/065697 JP2011065697W WO2012020618A1 WO 2012020618 A1 WO2012020618 A1 WO 2012020618A1 JP 2011065697 W JP2011065697 W JP 2011065697W WO 2012020618 A1 WO2012020618 A1 WO 2012020618A1
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- vinyl chloride
- chloride resin
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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
- C08L27/00—Compositions of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a halogen; Compositions of derivatives of such polymers
- C08L27/02—Compositions of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a halogen; Compositions of derivatives of such polymers not modified by chemical after-treatment
- C08L27/04—Compositions of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a halogen; Compositions of derivatives of such polymers not modified by chemical after-treatment containing chlorine atoms
- C08L27/06—Homopolymers or copolymers of vinyl chloride
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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
- B32B27/30—Layered products comprising a layer of synthetic resin comprising vinyl (co)polymers; comprising acrylic (co)polymers
- B32B27/304—Layered products comprising a layer of synthetic resin comprising vinyl (co)polymers; comprising acrylic (co)polymers comprising vinyl halide (co)polymers, e.g. PVC, PVDC, PVF, PVDF
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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
- B32B27/065—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 foam
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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
- C08K5/04—Oxygen-containing compounds
- C08K5/10—Esters; Ether-esters
- C08K5/12—Esters; Ether-esters of cyclic polycarboxylic acids
-
- 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
- B32B2605/00—Vehicles
- B32B2605/003—Interior finishings
-
- 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
- C08K2201/00—Specific properties of additives
- C08K2201/014—Additives containing two or more different additives of the same subgroup in C08K
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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
- Y10T428/249921—Web or sheet containing structurally defined element or component
- Y10T428/249953—Composite having voids in a component [e.g., porous, cellular, etc.]
- Y10T428/249987—With nonvoid component of specified composition
- Y10T428/249991—Synthetic resin or natural rubbers
Definitions
- the present invention provides a vinyl chloride resin composition for powder molding which gives a molded body having good heat aging resistance even when laminated polyurethane foams are laminated and generating little volatile matter even when heated, and the above powder molding
- the present invention relates to a vinyl chloride resin molded article formed by powder slush molding of a vinyl chloride resin composition for use, and a laminate provided with the vinyl chloride resin molded article and a foamed polyurethane molded article.
- An automobile instrument panel has a structure in which a polyurethane foam layer is provided between a skin made of a vinyl chloride resin and a base material.
- the skin made of vinyl chloride resin discolors over time and its heat aging resistance decreases.
- One of the causes of this discoloration is the vinyl chloride of the tertiary amine used as a catalyst during the formation of the polyurethane foam layer. It is a chemical reaction that accompanies the transition to the epidermis made of resin.
- a granular catcher agent that traps volatile organic compounds generated in the polyurethane foam layer is covered with a sheet material of open cells, and the vicinity of the sealing portion of the polyurethane polyurethane layer terminal by the skin material and the base material
- the urethane integrated foam molded product arranged in (1) was examined (for example, see Patent Document 1).
- Patent Document 1 there is a portion where the skin and the polyurethane foam layer are in contact with each other, discoloration of the skin material due to the chemical reaction cannot be prevented for a long time, and the heat aging resistance of the skin material is lowered.
- Patent Document 2 a laminate in which a synthetic resin foam layer for joining the core material and the skin is provided, and a gas vent hole for discharging gas generated in the foam layer is provided in the core material has been studied (for example, Patent Document 2).
- the skin and the synthetic resin foam layer are also in contact with each other, discoloration of the skin material due to the chemical reaction cannot be prevented for a long period of time, and the heat aging resistance of the skin material is reduced.
- a molded article comprising a polyurethane molded article, a skin layer containing a vinyl chloride resin and covering at least one surface of the polyurethane molded article, and an amine catcher agent layer interposed between the polyurethane molded article and the skin layer.
- the amine catcher agent is easy to volatilize, and the transition of the tertiary amine to the skin made of vinyl chloride resin cannot be prevented for a long time, so the discoloration of the skin material due to the chemical reaction cannot be prevented for a long time, and the skin material The heat aging resistance is reduced.
- a vinyl chloride resin composition for powder molding in which a specific trimellitate plasticizer is blended has been studied as a raw material for a skin material of an automobile interior material (for example, see Patent Document 4).
- the blending amount of the plasticizer must be increased, and a sticky feeling derived from the plasticizer occurs. To do.
- the problem to be solved by the present invention is a vinyl chloride resin composition for powder molding which gives a molded article having good heat aging resistance even when a polyurethane foam layer is laminated, and generating little volatile matter even when heated. Is an offer.
- Another problem to be solved by the present invention is that the above-mentioned vinyl chloride resin composition for powder molding is formed by powder slush molding and has good heat aging resistance even when a polyurethane foam layer is laminated, and volatilizes even when heated.
- the present invention provides a vinyl chloride resin molded body with a small amount of product generated, and a laminate provided with the vinyl chloride resin molded body and the polyurethane foam molded body.
- the inventors of the present invention have intensively studied to solve the above problems, and as a result, (a) a vinyl chloride resin, (b) a specific trimellitate plasticizer, and (c) a specific phthalic acid diester plasticizer are blended.
- the vinyl chloride resin composition for powder molding thus formed has found that the above-mentioned problems can be solved, and the present invention has been completed.
- the present invention includes (a) 100 parts by weight of a vinyl chloride resin, (b) 65 to 105 parts by weight of a trimellitate plasticizer represented by the following formula (1), (c) a phthalic acid diester system represented by the following formula (2)
- a vinyl chloride resin composition for powder molding comprising 10 to 50 parts by mass of a plasticizer, wherein the blending ratio of (c) phthalic acid diester represented by the following formula (2) to the total plasticizer is 5 to 50% by mass It is a thing.
- R 1 to R 3 are alkyl groups which may be the same or different from each other, and the straight chain ratio of R 1 to R 3 is 90 mol% or more, and R 1
- the ratio of the alkyl group having 7 or less carbon atoms to the total alkyl groups of R 3 to R 3 is 0 to 10 mol%, and the ratio of the alkyl groups of 8 and 9 carbon atoms to the total alkyl groups of R 1 to R 3 is 0 to 85
- the ratio of the alkyl group having 10 carbon atoms to the total alkyl groups of R 1 to R 3 is 15 to 100 mol%, and the alkyl group having 11 or more carbon atoms to the total alkyl groups of R 1 to R 3 ratio is 0 to 10 mol%.
- a linear rate of R 1 ⁇ R 3 is the ratio of the linear alkyl group to whole alkyl groups of R 1 ⁇ R 3.
- R ′ 1 and R ′ 2 are alkyl groups which may be the same or different from each other, and the linearity of R ′ 1 and R ′ 2 is 60 mol% or more.
- the ratio of the alkyl group having 8 or less carbon atoms to the total alkyl groups of R ′ 1 and R ′ 2 is 0 to 10 mol%, and the alkyl group of 9 carbon atoms to the total alkyl groups of R ′ 1 and R ′ 2
- the ratio of the alkyl group having 10 carbon atoms to the total alkyl groups of R ′ 1 and R ′ 2 is 30 to 50 mol%, and the total alkyl of R ′ 1 and R ′ 2
- the vinyl chloride resin composition for powder molding according to the present invention provides a molded body having good heat aging resistance even when a foamed polyurethane layer is laminated, and generating little volatile matter even when heated.
- the vinyl chloride resin composition for powder molding of the present invention contains (a) a vinyl chloride resin.
- the (a) vinyl chloride resin includes a copolymer containing vinyl chloride units, preferably 50% by mass or more, more preferably 70% by mass or more, in addition to a vinyl chloride homopolymer.
- Specific examples of comonomers of the vinyl chloride copolymer include olefins such as ethylene and propylene; halogenated olefins such as allyl chloride, vinylidene chloride, vinyl fluoride, and ethylene trifluoride; vinyl acetate and propionic acid.
- Carboxylic acid vinyl esters such as vinyl; vinyl ethers such as isobutyl vinyl ether and cetyl vinyl ether; allyl ethers such as allyl-3-chloro-2-oxypropyl ether and allyl glycidyl ether; acrylic acid, maleic acid, itaconic acid, acrylic 2-hydroxyethyl acid, methyl methacrylate, monomethyl maleate, diethyl maleate, maleic anhydride and other unsaturated carboxylic acids, their esters or acid anhydrides; acrylonitrile, methacrylonitrile and other unsaturated nitriles; Acrylamide, N- methylol acrylamide, acrylamido-2-methylpropanesulfonic acid, (meth) acrylamides such as acrylamide propyl trimethyl ammonium chloride; allyl amine benzoates, allylamine and its derivatives such as diallyl dimethyl ammonium chloride; and the like.
- the monomers exemplified above are only a part of the monomers copolymerizable with vinyl chloride, and “polyvinyl chloride”, Nikkan Kogyo Shimbun (1988) 75-104, edited by Kinki Chemical Association Vinyl Division.
- Various monomers exemplified on the page can be used. One or more of these monomers can be used.
- the above-mentioned (a) vinyl chloride resin can be used for resins such as ethylene-vinyl acetate copolymer, ethylene-methyl methacrylate copolymer, ethylene-ethyl acrylate copolymer, chlorinated polyethylene, (1) vinyl chloride or ( 2) Also includes a resin obtained by graft polymerization of the above-mentioned copolymerizable monomer with vinyl chloride.
- the vinyl chloride resin can be produced by any conventionally known production method such as a suspension polymerization method, an emulsion polymerization method, a solution polymerization method, or a bulk polymerization method.
- a vinyl chloride resin produced by a suspension polymerization method is preferable.
- the average polymerization degree of the above (a) vinyl chloride resin is 1000 or more, preferably 1500 to 3000.
- the average degree of polymerization of the vinyl chloride resin (a) is 1000 or more, the powder fluidity of the vinyl chloride resin composition for powder molding can be further improved.
- the average degree of polymerization is measured according to JIS K 6720-2.
- the average particle diameter of the above (a) vinyl chloride resin is not particularly limited.
- the average particle size is preferably 50 to 500 ⁇ m, more preferably 50 to 250 ⁇ m, and still more preferably 100 to 200 ⁇ m.
- (a) the average particle diameter of the vinyl chloride resin is 500 ⁇ m or less, the smoothness of a molded article formed by powder slush molding of the vinyl chloride resin composition can be improved.
- the average particle diameter is measured according to a sieving method using a JIS standard sieve specified in JIS Z 8801.
- the vinyl chloride resin composition for powder molding of the present invention contains (b) a trimellitate plasticizer represented by the following formula (1).
- R 1 to R 3 are alkyl groups which may be the same or different from each other, and the linearity of R 1 to R 3 is 90 mol% or more, preferably 95 mol%
- the ratio of the alkyl group having 7 or less carbon atoms to the total alkyl groups of R 1 to R 3 is 0 to 10 mol%
- the alkyl group having 8 and 9 carbon atoms to the total alkyl groups of R 1 to R 3 a proportion of 0 to 85 mol% of the proportion of alkyl groups having 10 carbon atoms to the total alkyl groups of R 1 ⁇ R 3 is 15 to 100 mol%, the number of carbon atoms to the total alkyl groups of R 1 ⁇ R 3
- the ratio of 11 or more alkyl groups is 0 to 10 mol%.
- a linear rate of R 1 ⁇ R 3 is the ratio of the linear alkyl group to whole alkyl groups of R 1 ⁇ R 3.
- linear alkyl group examples include methyl group, ethyl group, n-propyl group, n-butyl group, n-pentyl group, n-hexyl group, n-heptyl group, n-octyl group and n-nonyl group.
- branched alkyl group examples include i-propyl group, i-butyl group, i-pentyl group, i-hexyl group, i-heptyl group, i-octyl group, i-nonyl group, i-decyl group, i -Undecyl group, i-dodecyl group, i-tridecyl group, i-hexadecyl group, i-pentadecyl group, i-hexadecyl group, i-heptadecyl group, i-octadecyl group, t-butyl group, t-pentyl group, t -Hexyl, t-heptyl, t-octyl, t-nonyl, t-decyl, t-undecyl, t-dodecyl, i-
- the trimellitate plasticizer may be a single compound or a mixture. Usually, what is marketed is a mixture, and it is preferable to select a commercially available mixture that satisfies the above-mentioned regulations.
- a specific example of a commercially available product is Trimerix N-08 manufactured by Kao Corporation.
- the blending amount of the trimellitate plasticizer represented by the above formula (1) with respect to 100 parts by mass of (a) vinyl chloride resin is 65 to 105 parts by mass.
- the vinyl chloride resin composition for powder molding of the present invention contains (c) a phthalic acid diester plasticizer represented by the following formula (2).
- R ′ 1 and R ′ 2 are linear or branched alkyl groups, which may be the same or different from each other, and the linear ratio of R ′ 1 and R ′ 2 is It is 60 mol% or more, preferably 70 mol% or more, more preferably 80 mol% or more.
- the ratio of the alkyl group having 8 or less carbon atoms to the total alkyl groups of R ′ 1 and R ′ 2 is 0 to 10 mol%, and the ratio of the alkyl group of 9 carbon atoms to the total alkyl groups of R ′ 1 and R ′ 2 Is 10 to 30 mol%, the ratio of the alkyl group having 10 carbon atoms to the total alkyl groups of R ′ 1 and R ′ 2 is 30 to 50 mol%, and is based on the total alkyl groups of R ′ 1 and R ′ 2
- the ratio of the alkyl group having 11 carbon atoms is 30 to 50 mol%, and the ratio of the alkyl group having 12 or more carbon atoms to all alkyl groups of R ′ 1 and R ′ 2 is 0 to 10 mol%.
- a linear rate of R '1 and R' 2 is the ratio of the linear alkyl group to whole alkyl groups of R '1 and R' 2.
- the phthalic acid diester plasticizer is commercially available.
- a specific example of a commercially available product is PL-200 manufactured by CG Esther.
- the blending amount of the phthalic acid diester plasticizer with respect to 100 parts by mass of the (a) vinyl chloride resin is 10 to 50 parts by mass.
- the blended amount of the phthalic acid diester plasticizer is too small, the heat aging resistance of a vinyl chloride resin molded article obtained by powder slush molding a vinyl chloride resin composition for powder molding in which a foamed polyurethane molded article is laminated. descend.
- the blending amount of the phthalic acid diester plasticizer is too large, the amount of volatiles generated during heating of a vinyl chloride resin molded product obtained by powder slush molding of a vinyl chloride resin composition for powder molding increases. .
- the vinyl chloride resin composition for powder molding of the present invention may contain a plasticizer other than the above two plasticizers.
- plasticizers other than the above two plasticizers include epoxidized vegetable oils such as epoxidized soybean oil and epoxidized linseed oil; dimethyl phthalate, diethyl phthalate, dibutyl phthalate, di- (2-ethylhexyl) phthalate, di-n Phthalic acid derivatives such as octyl phthalate, diisobutyl phthalate, diheptyl phthalate, diphenyl phthalate, diisodecyl phthalate, ditridecyl phthalate, diundecyl phthalate, dibenzyl phthalate, butyl benzyl phthalate, dinonyl phthalate, dicyclohexyl phthalate; dimethyl isophthalate, di -Isophthalic acid derivatives such as (2-ethylhe
- the blending ratio of the phthalic acid diester plasticizer represented by the above formula (2) to the total plasticizer is 5 to 50% by mass.
- the heat aging resistance of a vinyl chloride resin molded article obtained by powder slush molding of a powdered vinyl chloride resin composition laminated with a polyurethane foam molded article is lowered.
- molding will increase.
- the vinyl chloride resin composition for powder molding of the present invention may contain a saturated fatty acid having a hydroxyl group and / or a metal soap.
- the saturated fatty acid having a hydroxyl group include hydroxystearic acid, hydroxymyristic acid, and hydroxylauric acid.
- metal soaps include lithium stearate, magnesium stearate, aluminum stearate, calcium stearate, strontium stearate, barium stearate, zinc stearate, calcium laurate, barium laurate, zinc laurate, 2-ethylhexanoic acid Barium, zinc 2-ethylhexanoate, barium ricinoleate, zinc ricinoleate and the like.
- the metal soap is preferably a fatty acid metal salt, more preferably a fatty acid polyvalent metal salt, and even more preferably a fatty acid zinc salt.
- a saturated fatty acid and / or metal soap having one or more hydroxyl groups is blended.
- the compounding quantity of the saturated fatty acid and / or metal soap which has a hydroxyl group is not limited to a specific range.
- a preferable blending amount is 0.1 to 3 parts by mass with respect to 100 parts by mass of (a) vinyl chloride resin.
- the vinyl chloride resin composition for powder molding of the present invention may contain hydrotalcite.
- Hydrotalcite is a non - stoichiometric compound represented by the general formula [Mg 1-x Al x (OH) 2 ] x + [(CO 3 ) x / 2 ⁇ mH 2 O] x- and is a positively charged base layer It is an inorganic substance having a layered crystal structure consisting of [Mg 1-x Al x (OH) 2 ] x + and a negatively charged intermediate layer [(CO 3 ) x / 2 ⁇ mH 2 O] x- .
- x is a number in a range greater than 0 and less than or equal to 0.33.
- Natural hydrotalcite is Mg 6 Al 2 (OH) 16 CO 3 .4H 2 O. Synthesized hydrotalcite Mg 4.5 Al 2 (OH) 13 CO 3 .3.5H 2 O is commercially available. A method for synthesizing synthetic hydrotalcite is described in Japanese Patent Publication “Japanese Patent Publication No. 61-174270”. The hydrotalcite may be one that has been treated with perchloric acid.
- the blending amount of hydrotalcite is not limited to a specific range.
- a preferable blending amount is 0.5 to 10 parts by mass with respect to 100 parts by mass of (a) vinyl chloride resin.
- the vinyl chloride resin composition for powder molding of the present invention can contain zeolite as a stabilizer.
- Zeolite has the general formula M x / n ⁇ [(AlO 2 ) x ⁇ (SiO 2 ) y ] ⁇ zH 2 O
- M is a metal ion of valence n
- x + y is the number of tetrahedrons per singleton lattice
- z is the number of moles of water.
- monovalent or divalent metals such as Na, Li, Ca, Mg, Zn, and mixed types thereof.
- the blending amount of zeolite is not limited to a specific range.
- a preferable blending amount is 0.1 to 5 parts by mass with respect to 100 parts by mass of (a) vinyl chloride resin.
- the vinyl chloride resin composition for powder molding of the present invention may contain a dusting agent (powder fluidity improver).
- dusting agents include inorganic fine particles such as calcium carbonate, talc, and aluminum oxide; vinyl chloride resin fine particles, polyacrylonitrile resin fine particles, poly (meth) acrylate resin fine particles, polystyrene resin fine particles, polyethylene resin fine particles.
- Organic fine particles such as polypropylene resin fine particles, polyester resin fine particles, and polyamide resin fine particles.
- inorganic fine particles having an average particle diameter of 10 to 100 nm and vinyl chloride resin fine particles having an average particle diameter of 0.1 to 10 ⁇ m are preferable.
- the degree of polymerization of the vinyl chloride resin constituting the vinyl chloride resin fine particles as the dusting agent is 500 to 2000, preferably 800 to 1500.
- the addition amount of the vinyl chloride resin fine particles as the dusting agent is not limited to a specific range.
- the amount added is preferably 30 parts by mass or less, more preferably 25 parts by mass or less, with respect to 100 parts by mass of the above (a) vinyl chloride resin.
- the vinyl chloride resin composition for powder molding of the present invention comprises a colorant, an impact modifier, a perchloric acid compound (sodium perchlorate, potassium perchlorate, etc.), an antioxidant, an antifungal agent, and a flame retardant.
- a perchloric acid compound sodium perchlorate, potassium perchlorate, etc.
- an antioxidant an antioxidant
- an antifungal agent an antifungal agent
- a flame retardant e.g., stannous perchlorate, sodium perchlorate, potassium perchlorate, etc.
- Additives such as antistatic agents, fillers, ultraviolet absorbers, light stabilizers, foaming agents, ⁇ -diketones, and the like may be contained.
- the colorant are quinacridone pigments, perylene pigments, polyazo condensation pigments, isoindolinone pigments, copper phthalocyanine pigments, titanium white, and carbon black.
- the quinacridone pigment is obtained by treating p-phenylene dianthranilic acid with concentrated sulfuric acid and exhibits a yellowish red to reddish purple hue.
- Specific examples of the quinacridone pigment are quinacridone red, quinacridone magenta, and quinacridone violet.
- the perylene pigment is obtained by a condensation reaction of perylene-3,4,9,10-tetracarboxylic anhydride and an aromatic primary amine, and exhibits a hue from red to magenta and brown.
- the perylene pigment are perylene red, perylene orange, perylene maroon, perylene vermilion, and perylene bordeaux.
- the polyazo condensation pigment is obtained by condensing an azo dye in a solvent to obtain a high molecular weight, and exhibits a hue of a yellow or red pigment.
- Specific examples of the polyazo condensation pigment are polyazo red, polyazo yellow, chromophthal orange, chromophthal red, and chromophthal scarlet.
- the isoindolinone pigment is obtained by a condensation reaction of 4,5,6,7-tetrachloroisoindolinone and an aromatic primary diamine, and exhibits a hue of greenish yellow to red and brown.
- the isoindolinone pigment is isoindolinone yellow.
- the copper phthalocyanine pigment is a pigment in which copper is coordinated to phthalocyanines, and exhibits a hue of yellowish green to vivid blue.
- Specific examples of the copper phthalocyanine pigment are phthalocyanine green and phthalocyanine blue.
- Titanium white is a white pigment made of titanium dioxide and has a large hiding power, and there are anatase type and rutile type.
- Carbon black is a black pigment containing carbon as a main component and containing oxygen, hydrogen, and nitrogen. Specific examples of carbon black are thermal black, acetylene black, channel black, furnace black, lamp black, and bone black.
- the impact modifier include acrylonitrile-butadiene-styrene copolymer, methyl methacrylate-butadiene-styrene copolymer, chlorinated polyethylene, and vinyl chloride graft copolymer to ethylene-vinyl acetate copolymer. Ethylene-vinyl acetate copolymer, chlorosulfonated polyethylene, and the like.
- One or more impact modifiers can be used.
- the impact resistance improver is dispersed as a heterogeneous phase of fine elastic particles in the vinyl chloride resin composition. The chain and the polar group graft-polymerized on the elastic particles are compatible with the vinyl chloride resin (a), and the impact resistance of the vinyl chloride resin composition is improved.
- antioxidants include phenolic antioxidants, sulfur antioxidants, and phosphorus antioxidants.
- antifungal agent examples include aliphatic ester antifungal agents, hydrocarbon antifungal agents, organic nitrogen antifungal agents, and organic nitrogen sulfur antifungal agents.
- flame retardants are halogen flame retardants such as chlorinated paraffin; phosphorus flame retardants such as phosphate esters; inorganic hydroxides such as magnesium hydroxide and aluminum hydroxide;
- antistatic agent examples include anionic antistatic agents such as fatty acid salts, higher alcohol sulfates and sulfonates; cationic antistatic agents such as aliphatic amine salts and quaternary ammonium salts; polyoxyethylene alkyl ethers And nonionic antistatic agents such as polyoxyethylene alkylphenol ethers.
- filler examples include silica, talc, mica, calcium carbonate, clay and the like.
- light stabilizers include benzotriazole-based, benzophenone-based, nickel chelate-based ultraviolet absorbers, hindered amine-based light stabilizers, and the like.
- blowing agent examples include azo compounds such as azodicarbonamide and azobisisobutyronitrile, nitroso compounds such as N, N′-dinitrosopentamethylenetetramine, p-toluenesulfonyl hydrazide, p, p-oxybis (benzene)
- Organic foaming agents such as sulfonyl hydrazide compounds such as sulfonyl hydrazide); volatile hydrocarbon compounds such as chlorofluorocarbon gas, carbon dioxide gas, water and pentane; gas-based foaming agents such as microcapsules enclosing these;
- ⁇ -diketones are used in order to more effectively suppress fluctuations in the initial color tone of a vinyl chloride resin molded article obtained by powder molding the vinyl chloride resin composition for powder molding of the present invention.
- Specific examples of ⁇ -diketones are dibenzoylmethane, stearoylbenzoylmethane, palmitoylbenzoylmethane, and the like. These ⁇ -diketones may be used alone or in combination of two or more.
- the blending amount of ⁇ -diketones is not limited to a specific range.
- a preferable blending amount is 0.1 to 3 parts by mass with respect to 100 parts by mass of (a) vinyl chloride resin.
- A vinyl chloride resin
- trimellitate plasticizer represented by the above formula (1) (b) trimellitate plasticizer represented by the above formula (1)
- phthalic acid diester plasticizer represented by the above formula (2) and others added as necessary
- the method of mixing the additives is not limited.
- a preferred mixing method is dry blending.
- dry blending it is preferable to use a Henschel mixer.
- the temperature during dry blending is preferably 50 to 100 ° C., more preferably 70 to 80 ° C.
- the vinyl chloride resin molded body of the present invention is obtained by powder slush molding (also referred to as “powder molding” in the present invention) of the vinyl chloride resin composition for powder molding of the present invention.
- the mold temperature during powder slush molding is preferably 200 to 300 ° C, more preferably 220 to 280 ° C.
- the vinyl chloride resin molded body of the present invention is a powder molding vinyl chloride resin composition of the present invention sprinkled on a mold in the above temperature range and left for 5 to 30 seconds, and then the excess of the composition is shaken off. Further, after allowing to stand for 30 seconds to 3 minutes, the mold is cooled to 10 to 60 ° C., and the vinyl chloride resin molded article of the present invention is removed from the mold.
- the vinyl chloride resin molded article of the present invention is suitably used as an automobile interior material, for example, a skin of an instrument panel, a door trim or the like.
- the laminate of the present invention is obtained by laminating the vinyl chloride resin molded article of the present invention and the polyurethane foam molded article.
- the lamination method is a method in which a vinyl chloride resin molded body and a foamed polyurethane molded body are separately prepared, and then bonded together by heat fusion, thermal bonding, or using a known adhesive; on the vinyl chloride resin molded body
- polymerization is performed by reacting isocyanates and polyols, which are raw materials of the foamed polyurethane molded body, and a method of laminating by foaming polyurethane by a known method.
- the latter is more preferable because the process is simple and the vinyl chloride resin molded body and the polyurethane foam molded body can be securely bonded even when obtaining laminates of various shapes. .
- the laminate of the present invention is suitably used as an automobile interior material, such as an instrument panel or a door trim.
- the molded sheet was placed in a 210 mm ⁇ 300 mm ⁇ 10 mm mold, and 40 parts by mass of 4,4′-diphenylmethane-diisocyanate (MDI) and a polyether polyol (EXENOL 820 manufactured by Asahi Glass Urethane Co., Ltd., trifunctional And a hydroxyl value of 34 mg KOH / g, containing 1.0% by mass of triethylenediamine and 1.6% by mass of water) and pouring a mixture with 80 parts by mass onto the molded sheet, sealing the mold, and after 10 minutes, 1 mm thickness
- a sample made of a vinyl chloride resin molded sheet and a foamed polyurethane molded product 9 mm thick was lined from the mold.
- the foamed polyurethane layer was peeled off from the sample, the obtained vinyl chloride resin molded sheet was punched out with a No. 1 dumbbell, and the breaking elongation of the sheet was measured at ⁇ 35 ° C. based on JIS-K-6301. Further, the sample was put in an oven and heated at 130 ° C. for 100 hours and 250 hours, and then the elongation at break was measured in the same manner. When the elongation at break is 100% or more, the heat aging resistance is good.
- the plasticizer After the plasticizer is added to the temperature of 80 ° C., the plasticizer is added, followed by dry-up (the plasticizer is absorbed by the vinyl chloride resin particles, which means that the above mixture is further improved), and then the composition.
- a paste vinyl chloride resin as a dusting agent was added to prepare a vinyl chloride resin composition for powder molding. Thereafter, the heat aging resistance (breaking elongation at low temperature after initial aging and heat aging) and the glossiness (glossiness retention rate of the glass plate) were measured according to the above-described methods. The results are shown in Table 1.
- Example 1 [Examples 2 and 3 and Comparative Examples 1 to 4] The same operation as in Example 1 was performed except that the ingredients were changed as shown in Table 1. The results are shown in Table 1.
- ZEST2000Z average degree of polymerization 2000, average particle size 125 ⁇ m
- Trimerix N-08 manufactured by Kao Corporation
- PL-200 manufactured by CG Esther Co., Ltd.
- Mizuscalar DS made by Mizusawa Chemical Co., Ltd.
- the vinyl chloride resin composition for powder molding of Comparative Example 1 that does not contain the phthalic acid diester represented by the above formula (2) and the powder of Comparative Example 3 in which the content of the phthalic acid diester represented by the above formula (2) is too small
- the heat aging resistance of the vinyl chloride resin molded product when a vinyl chloride resin molded product obtained by powder slush molding of a vinyl chloride resin composition for body molding and a polyurethane foam molded product are laminated is compared with that of the example. Then it was low.
- the heat aging resistance of the vinyl chloride resin molded body when laminated with the polyurethane foam molded body was lower than that of the example, and the amount of volatiles generated during heating of the vinyl chloride resin molded body was large. .
- the vinyl chloride resin composition for powder molding is preferably used for powder slush molding.
- the present invention also provides a powder slush molding composition including the vinyl chloride resin composition for powder molding according to the present invention.
- the present invention is a vinyl chloride resin molded article obtained by powder slush molding the above-mentioned vinyl chloride resin composition for powder molding.
- the vinyl chloride resin molded body is preferably an automobile instrument panel skin.
- the present invention is a laminate provided with a foamed polyurethane molded product and the vinyl chloride resin molded product.
- the preferred laminate is a laminate for an automobile instrument panel.
- the vinyl chloride resin composition for powder molding of the present invention is suitably molded on the skin of automobile interior materials such as instrument panels and door trims.
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- Organic Chemistry (AREA)
- Compositions Of Macromolecular Compounds (AREA)
- Moulding By Coating Moulds (AREA)
- Vehicle Interior And Exterior Ornaments, Soundproofing, And Insulation (AREA)
- Manufacture Of Macromolecular Shaped Articles (AREA)
- Laminated Bodies (AREA)
Abstract
Description
Mx/n・[(AlO2)x・(SiO2)y]・zH2O
(式中のMは原子価nの金属イオン、x+yは単子格子当たりの四面体数、zは水のモル数である)で表されるものであって、該式中のMの種類としてはNa、Li、Ca、Mg、Znなどの一価又は二価の金属及びこれらの混合型が挙げられる。
粉体成形用塩化ビニル樹脂組成物を250℃に加熱したシボ付き金型に振りかけ、10秒間放置して溶融させ、余剰の当該組成物を振り落とした。当該組成物を金型に振りかけてから60秒経過した時点で金型を冷却水により冷却し、金型温度が40℃まで冷却された時点で145mm×175mm×1mmの塩化ビニル樹脂成形シートを金型から脱型した。当該成形シートを210mm×300mm×10mmの金型の中に敷き、4,4’-ジフェニルメタン-ジイソシアナート(MDI)40質量部とポリエーテルポリオール(旭硝子ウレタン(株)製エクセノール820、3官能性、水酸基価34mgKOH/g、トリエチレンジアミン1.0質量%、水1.6質量%含有)80質量部との混合物を当該成形シートの上に注ぎ、金型を密閉し、10分後、1mm厚の塩化ビニル樹脂成形シートからなる表皮に9mm厚の発泡ポリウレタン成形体が裏打ちされた試料を金型から取り出した。発泡ポリウレタン層を当該試料から剥離して除き、得られた塩化ビニル樹脂成形シートを1号ダンベルで打ち抜き、当該シートの破断伸びをJIS-K-6301に基づいて-35℃で測定した。更に、当該試料をオーブンに入れ、130℃で100時間、250時間加熱した後、破断伸びを同様にして測定した。破断伸びが100%以上であると、耐熱老化性は良好である。
4,4’-ジフェニルメタン-ジイソシアナート(MDI)とポリエーテルポリオールとの混合物と接する前の状態の、1mm厚の塩化ビニル樹脂成形シートから、直径80mmの試験片を打ち抜いた。得られた試験片をガラス瓶に入れ、透明なガラス板で蓋をした。ガラス板で蓋をしたガラス瓶を100℃のシリコーンオイルバス中に3時間放置し、その後、ガラス板を外してガラス板を23℃下で1時間放置した。次いで、ガラス板の60°反射率を光沢度試験機((有)東京電色製GP-60)を用いて測定した。試験前のガラス板の60°反射率を上記光沢度試験機で予め測定しておき、下記式(3)によりガラス板の光沢度保持率を求めた。光沢度保持率が高いほど、加熱時の揮発物の発生量が少ない。
光沢度保持率(%)=100×(試験後のガラス板の光沢度)/(試験前のガラス板の光沢度) (3)
[実施例1]
表1に示す配合成分のうち可塑剤(花王(株)製トリメリックスN-08及びシージーエスター(株)製PL-200)及びペースト塩化ビニル樹脂を除く成分をヘンシェルミキサーに入れて混合し、混合物の温度が80℃に上昇した時点で可塑剤を添加後、ドライアップ(可塑剤が塩化ビニル系樹脂粒子に吸収されて、上記混合物がさらさらになった状態をいう。)し、その後、組成物が70℃以下に冷却された時点でダスティング剤であるペースト塩化ビニル樹脂を添加し、粉体成形用塩化ビニル樹脂組成物を調製した。その後、上記した方法に従って耐熱老化性(初期及び熱老化後の低温下での破断伸び)及び光沢度(ガラス板の光沢度保持率)を測定した。結果を表1に示す。
配合成分を表1に示すように変更する以外、実施例1と同一の操作を行った。結果を表1に示す。
2)花王(株)製トリメリックスNー08
3)シージーエスター(株)製PL-200
4)ジ-(2-エチルヘキシル)フタレート
5)(株)ADEKA製O-130P
6)協和化学工業(株)製アルカマイザー5
7)水澤化学工業(株)製ミズカライザーDS
8)RHODIA社製RHODIASTAB50
9)チバスペシャリティーケミカルズ社製IRGANOX1010
10)(株)ADEKA製アデカスタブLA-67
11)チバスペシャリティーケミカルズ社製TINUVIN P
12)ペースト塩化ビニル樹脂(新第一塩ビ(株)製ZEST PQLT、重合度800、平均粒子径1μm)
13)5.0質量部の大日精化(株)製DA PX 1720(A)ブラック
実施例1~3の粉体成形用塩化ビニル樹脂組成物をパウダースラッシュ成形してなる塩化ビニル樹脂成形体と発泡ポリウレタン成形体が積層されたときの当該塩化ビニル樹脂成形体の耐熱老化性は高く、当該塩化ビニル樹脂成形体の加熱時の揮発物の発生量は少なかった。
本発明の一態様において、上記粉体成形用塩化ビニル樹脂組成物は、好ましくはパウダースラッシュ成形に用いられる。換言すれば本発明は、本発明に係る粉体成形用塩化ビニル樹脂組成物を含むパウダースラッシュ成形用組成物も提供する。
Claims (6)
- (a)塩化ビニル樹脂100質量部、(b)下記式(1)で示されるトリメリテート系可塑剤65~105質量部、(c)下記式(2)で示されるフタル酸ジエステル系可塑剤10~50質量部を配合してなり、
全可塑剤に対する(c)下記式(2)で示されるフタル酸ジエステル系可塑剤の配合割合が5~50質量%である粉体成形用塩化ビニル樹脂組成物。
- パウダースラッシュ成形に用いられる、請求項1に記載された粉体成形用塩化ビニル樹脂組成物。
- 請求項1又は2に記載された粉体成形用塩化ビニル樹脂組成物をパウダースラッシュ成形してなる塩化ビニル樹脂成形体。
- 自動車インスツルメントパネル表皮である、請求項3に記載された塩化ビニル樹脂成形体。
- 発泡ポリウレタン成形体と請求項3又は4に記載された塩化ビニル樹脂成形体が設けられている積層体。
- 自動車インスツルメントパネル用積層体である、請求項5に記載された積層体。
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US13/703,562 US20130089728A1 (en) | 2010-08-12 | 2011-07-08 | Vinyl chloride resin composition for powder molding, and molded article and laminate of vinyl chloride resin |
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JP2017014480A (ja) * | 2015-06-30 | 2017-01-19 | 新日本理化株式会社 | エポキシシクロヘキサンジカルボン酸ジエステルを含有してなる自動車内装用塩化ビニル系樹脂組成物及び自動車内装材 |
JP2017036225A (ja) * | 2015-08-07 | 2017-02-16 | 新日本理化株式会社 | 分子構造中にエポキシ基を有する新規な脂環式ジカルボン酸ジエステル |
JP2017048308A (ja) * | 2015-09-02 | 2017-03-09 | 新日本理化株式会社 | トリメリット酸トリエステルを含有する塩化ビニル系樹脂用可塑剤 |
WO2017110479A1 (ja) * | 2015-12-25 | 2017-06-29 | 日本ゼオン株式会社 | 塩化ビニル樹脂組成物、塩化ビニル樹脂成形体及び積層体 |
JP2017148199A (ja) * | 2016-02-24 | 2017-08-31 | 新日本理化株式会社 | エポキシシクロヘキサンジカルボン酸ジエステルを含有してなる医療用塩化ビニル系樹脂組成物及び医療用材料 |
JP2021134335A (ja) * | 2020-02-28 | 2021-09-13 | 日本ゼオン株式会社 | 粉体成形用塩化ビニル樹脂組成物、粉体成形用塩化ビニル樹脂成形体および積層体 |
JP7567173B2 (ja) | 2020-02-28 | 2024-10-16 | 日本ゼオン株式会社 | 粉体成形用塩化ビニル樹脂組成物、粉体成形用塩化ビニル樹脂成形体および積層体 |
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JP5803921B2 (ja) | 2015-11-04 |
EP2604652A4 (en) | 2014-02-26 |
CN102918102A (zh) | 2013-02-06 |
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US20130089728A1 (en) | 2013-04-11 |
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CN102918102B (zh) | 2015-01-07 |
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