Abstract

The purpose of the present invention is to provide a thermoplastic resin composition capable of providing a molded article, which has excellent stringing resistance during hot plate welding, has a highly satisfactory surface appearance, has sufficient impact resistance as a lamp housing material, wherein the amount of gas generated by materials of the molded article is small. The thermoplastic resin composition is characterized by containing a thermoplastic resin component (A) and a saponified fatty acid ester (B), wherein the content of the saponified fatty acid ester (B) is 0.1-10 parts by mass with respect to 100 parts by mass of the thermoplastic resin component (A).

IPC Classes  ?

• C08L 101/00 - Compositions of unspecified macromolecular compounds
• C08K 5/098 - Metal salts of carboxylic acids

Abstract

Provided are: a thermoplastic resin composition which exhibits good moldability and excellent impact resistance, low-temperature impact resistance, weather resistance and appearance of a molded article due to a graft copolymer that uses a rubbery polymer having a high gel content; and a molded article of this thermoplastic resin composition. A rubbery polymer (A) which is a polymerization reaction product of a starting material mixture that contains an alkyl (meth)acrylate, a crosslinking agent (1) represented by formula (1) and a hydrophobic substance so that the content of the hydrophobic substance relative to 100 parts by mass of the total of the alkyl (meth)acrylate and the crosslinking agent (1) is 0.1-10 parts by mass, and which has a gel content of 80-100%. A graft copolymer which uses this rubbery polymer; and a thermoplastic resin composition. CH2=CR1-CO-(X)-COCR1=CH2 (1) In the formula, X represents a diol residue selected from among a polyalkylene glycol residue, a polyester diol residue and a polycarbonate diol residue; and R1 represents H or CH3.

IPC Classes  ?

• C08F 2/44 - Polymerisation in the presence of compounding ingredients, e.g. plasticisers, dyestuffs, fillers
• C08F 265/04 - Macromolecular compounds obtained by polymerising monomers on to polymers of unsaturated monocarboxylic acids or derivatives thereof as defined in group on to polymers of esters
• C08F 289/00 - Macromolecular compounds obtained by polymerising monomers on to macromolecular compounds not provided for in groups

Abstract

Provided are: a reinforced thermoplastic resin composition which has favorable moldability and is capable of increasing in a molded article obtained therefrom, rigidity, impact resistance, mechanical strength, heat resistance, flame retardancy, and adhesive strength with front glass adhesives; and a molded article having high rigidity, impact resistance, mechanical strength, heat resistance, flame retardancy, and adhesive strength with front glass adhesives. The reinforced thermoplastic resin composition contains, at a certain ratio: a resin main component (AC) comprising 80-100 mass% of a polycarbonate resin (AA) and 0-20 mass% of a specific graft copolymer (AG); a recycled and/or repelleted polyethylene terephthalate resin (AB); an inorganic filler (D); a glycidyl ether unit-containing polymer (E) having a mass average molecular weight of 3,800-60,000; and a phosphate ester-based flame retardant (AF) having a mass average molecular weight of greater than 326.

IPC Classes  ?

• C08L 69/00 - Compositions of polycarbonatesCompositions of derivatives of polycarbonates
• C08K 3/00 - Use of inorganic substances as compounding ingredients
• C08K 3/04 - Carbon
• C08K 5/521 - Esters of phosphoric acids, e.g. of H3PO4
• C08K 7/06 - Elements
• C08K 7/14 - Glass
• C08L 51/04 - Compositions of graft polymers in which the grafted component is obtained by reactions only involving carbon-to-carbon unsaturated bondsCompositions of derivatives of such polymers grafted on to rubbers
• C08L 67/02 - Polyesters derived from dicarboxylic acids and dihydroxy compounds

Abstract

Provided are a reinforced thermoplastic resin composition having good moldability and capable of increasing the rigidity, impact resistance, mechanical strength, heat resistance, and flame retardance of the molded articles obtained, and molded articles having high rigidity, impact resistance, mechanical strength, heat resistance, flame retardance, and weld strength. A reinforced thermoplastic resin composition containing in specific proportions a resin main component (C) comprising 80-100 mass% of a polycarbonate resin (A) and 0-20 mass% of a specific graft copolymer (G); a polyethylene terephthalate resin (B) obtained by solid-phase polymerization of a recycled and/or repelletized material; an inorganic filler (D); and a polymer (E) containing glycidyl ether units and having a mass-average molecular weight of 3,800-60,000.

IPC Classes  ?

• C08L 69/00 - Compositions of polycarbonatesCompositions of derivatives of polycarbonates
• C08K 3/00 - Use of inorganic substances as compounding ingredients
• C08K 5/521 - Esters of phosphoric acids, e.g. of H3PO4
• C08L 51/04 - Compositions of graft polymers in which the grafted component is obtained by reactions only involving carbon-to-carbon unsaturated bondsCompositions of derivatives of such polymers grafted on to rubbers
• C08L 63/00 - Compositions of epoxy resinsCompositions of derivatives of epoxy resins
• C08L 67/02 - Polyesters derived from dicarboxylic acids and dihydroxy compounds

Abstract

Provided are: graft copolymers having satisfactory moldability and continuous moldability and being capable of providing molded thermoplastic resins having excellent impact resistance; processes for producing the graft copolymers; and thermoplastic resin compositions including the graft copolymers. One of the graft copolymers is a graft copolymer (B-I) obtained by graft-polymerizing at least one vinyl monomer (b-I) selected from the group consisting of aromatic vinyls, alkyl (meth)acrylates, and vinyl cyanide with a rubbery-polymer mixture comprising: a rubbery polymer (A-I) that comprises units of an alkyl (meth)acrylate and units of a polyfunctional monomer copolymerizable with the alkyl (meth)acrylate; and one or more hydrophobic substances that comprise, as the main component, a hydrocarbon having a dynamic viscosity at 40ºC of 5 mm2/s or greater or a dynamic viscosity at 100ºC of 2-4 mm2/s. A thermoplastic resin composition includes this graft copolymer (B-I), and a molded article obtained from this resin composition is further provided.

IPC Classes  ?

• C08F 265/06 - Polymerisation of acrylate or methacrylate esters on to polymers thereof
• C08L 51/00 - Compositions of graft polymers in which the grafted component is obtained by reactions only involving carbon-to-carbon unsaturated bondsCompositions of derivatives of such polymers

Abstract

Provided is a graft copolymer which has excellent impact resistance-imparting effect, and which is capable of providing a thermoplastic resin composition that has excellent weather resistance and color developability. A graft copolymer (C) which is obtained by graft polymerizing one or more monomers (B), which are selected from among a (meth)acrylate, an aromatic vinyl, vinyl cyanide, an N-substituted maleimide and maleic acid, to a composite rubbery polymer (A) that is obtained by polymerizing a mixture (Ac) containing a polyorganosiloxane (Aa) and an acrylate (Ab) after the formation of a mini-emulsion in an aqueous solvent. A thermoplastic resin composition which contains this graft copolymer (C) and a thermoplastic resin (D).

IPC Classes  ?

• C08F 291/02 - Macromolecular compounds obtained by polymerising monomers on to macromolecular compounds according to more than one of the groups on to elastomers
• C08F 2/22 - Emulsion polymerisation
• C08F 2/44 - Polymerisation in the presence of compounding ingredients, e.g. plasticisers, dyestuffs, fillers
• C08F 20/20 - Esters of polyhydric alcohols or phenols
• C08F 279/00 - Macromolecular compounds obtained by polymerising monomers on to polymers of monomers having two or more carbon-to-carbon double bonds as defined in group
• C08L 51/06 - Compositions of graft polymers in which the grafted component is obtained by reactions only involving carbon-to-carbon unsaturated bondsCompositions of derivatives of such polymers grafted on to homopolymers or copolymers of aliphatic hydrocarbons containing only one carbon-to-carbon double bond
• C08L 101/00 - Compositions of unspecified macromolecular compounds

Abstract

The reinforced thermoplastic resin composition according to the present invention contains, at a specific proportion: a resin main component (C) including 50-100 mass% of a polycarbonate resin (A) and 0-50 mass% of a graft copolymer (B) obtained by polymerizing, in the presence of a rubbery polymer (B1), a monomer mixture containing an aromatic alkenyl compound monomer (a) and a vinyl cyanide compound monomer (b); an inorganic filler (D); a glycidyl ether unit-containing polymer (E) that has a glycidyl ether unit and a mass average molecular weight of 3,800-60,000; and a polyamide 6/66 (F) having a moisture content not higher than 0.1%.

IPC Classes  ?

• C08L 69/00 - Compositions of polycarbonatesCompositions of derivatives of polycarbonates
• C08K 5/521 - Esters of phosphoric acids, e.g. of H3PO4
• C08K 7/06 - Elements
• C08K 7/14 - Glass
• C08L 55/02 - ABS [Acrylonitrile-Butadiene-Styrene] polymers
• C08L 63/00 - Compositions of epoxy resinsCompositions of derivatives of epoxy resins
• C08L 77/00 - Compositions of polyamides obtained by reactions forming a carboxylic amide link in the main chainCompositions of derivatives of such polymers

Abstract

A reinforced thermoplastic resin composition according to the present invention comprises, in specific ratios: a resin component (C) composed of 80-100 mass% of a polycarbonate resin (A) and 0-20 mass% of a specific graft copolymer (G) (in which the total of the polycarbonate resin (A) and the graft copolymer (G) is 100 mass%); a polyethylene terephthalate resin (B) that is recycled and/or re-pelleted; an inorganic filler (D); and a glycidyl ether unit-containing polymer (E) having a mass-average molecular mass of 3,800-60,000.

IPC Classes  ?

• C08L 69/00 - Compositions of polycarbonatesCompositions of derivatives of polycarbonates
• C08K 5/521 - Esters of phosphoric acids, e.g. of H3PO4
• C08K 7/06 - Elements
• C08K 7/14 - Glass
• C08L 51/04 - Compositions of graft polymers in which the grafted component is obtained by reactions only involving carbon-to-carbon unsaturated bondsCompositions of derivatives of such polymers grafted on to rubbers
• C08L 63/00 - Compositions of epoxy resinsCompositions of derivatives of epoxy resins
• C08L 67/02 - Polyesters derived from dicarboxylic acids and dihydroxy compounds

Abstract

This thermoplastic resin composition contains: a graft copolymer (B) obtained by polymerizing a vinyl-based monomer component (m1) while in the presence of a composite rubber polymer (A) comprising a polyogranosiloxane (Aa) and a poly(meth)acrylic acid ester (Ab); and a (meth)acrylic acid ester resin (C) obtained by polymerizing a vinyl-based monomer component (m2) in the presence of the same. Therein: the polyorganosiloxane (Aa) content relative to the total 100 mass% of the composite rubber polymer (A) is 1-20 mass%; the volume-average particle diameter of the composite rubber polymer (A) is 0.05-0.15μm; and the maleimide compound content relative to the total 100 mass% of the vinyl-based monomer component (m2) is 1-30 mass%, and the aromatic vinyl compound content relative thereto is 5.5-15 mass%.

IPC Classes  ?

• C08L 51/00 - Compositions of graft polymers in which the grafted component is obtained by reactions only involving carbon-to-carbon unsaturated bondsCompositions of derivatives of such polymers
• C08F 285/00 - Macromolecular compounds obtained by polymerising monomers on to preformed graft polymers
• C08F 291/02 - Macromolecular compounds obtained by polymerising monomers on to macromolecular compounds according to more than one of the groups on to elastomers
• C08L 33/04 - Homopolymers or copolymers of esters

Abstract

The present invention is a reinforced thermoplastic resin composition containing a main resin component (C) obtained from a polycarbonate resin (A) and a graft copolymer (B) as a discretionary component, an inorganic filler (D), a glycidyl ether unit-containing polymer (E) (excluding (B)) of 3,800 - 60,000 Mw, and a phosphorus-containing modified polyester resin (H) in which a phosphorus-containing polyester resin (F) has been modified with a polycarbodiimide compound (G). In the reinforced thermoplastic resin composition: (B) is a polymer obtained by polymerizing a monomer mixture comprising an aromatic alkenyl compound monomer (a) and a vinyl cyanide compound monomer (b) in the presence of a rubber polymer (B1); in (C), the contents of (A) and (B) are 80-100 mass% and 0-20 mass% respectively, and the total content of (A) and (B) is 100 mass%; (F) comprises the cyclic phosphorus compound-containing dicarboxylic acid component of formula (1); the phosphorus content is at least 4 mass%; the proportion of (D) is 20-50 mass% with respect to the reinforced thermoplastic resin composition; the content of (E) is 1-10 parts by mass with respect to 100 parts by mass of (C); and the content of (H) is 3-10 parts by mass with respect to 100 parts by mass of (C).

IPC Classes  ?

• C08L 69/00 - Compositions of polycarbonatesCompositions of derivatives of polycarbonates
• C08G 81/00 - Macromolecular compounds obtained by interreacting polymers in the absence of monomers, e.g. block polymers
• C08J 5/00 - Manufacture of articles or shaped materials containing macromolecular substances
• C08K 7/06 - Elements
• C08K 7/14 - Glass
• C08L 67/02 - Polyesters derived from dicarboxylic acids and dihydroxy compounds

Abstract

Provided is a thermoplastic resin composition having an excellent balance among physical properties including impact resistance, fluidability and heat resistance. A thermoplastic resin composition comprising: 10 to 95 parts by weight of a polycarbonate resin (A); 5 to 90 parts by weight of a graft copolymer (B) as mentioned below; and 0 to 50 parts by weight of a copolymer (C) as mentioned below. The graft copolymer (B): a graft copolymer which is produced by the graft polymerization of 10 to 80 parts by weight of a rubbery polymer with 20 to 90 parts by weight of a monomer component comprising an aromatic vinyl monomer and/or a cyanide vinyl monomer, wherein the rubbery polymer has a weight average particle size of 150 to 450 nm and also has a 10 wt% particle size of 50 to 250 nm and a 90 wt% particle size of 450 to 650 nm in a particle size cumulative weight fraction. The copolymer (C): a copolymer which is produced by copolymerizing an aromatic vinyl monomer, a cyanide vinyl monomer and another vinyl monomer with one another.

IPC Classes  ?

• C08L 69/00 - Compositions of polycarbonatesCompositions of derivatives of polycarbonates
• C08F 265/06 - Polymerisation of acrylate or methacrylate esters on to polymers thereof
• C08F 291/02 - Macromolecular compounds obtained by polymerising monomers on to macromolecular compounds according to more than one of the groups on to elastomers
• C08L 25/12 - Copolymers of styrene with unsaturated nitriles
• C08L 51/04 - Compositions of graft polymers in which the grafted component is obtained by reactions only involving carbon-to-carbon unsaturated bondsCompositions of derivatives of such polymers grafted on to rubbers
• C08L 55/02 - ABS [Acrylonitrile-Butadiene-Styrene] polymers

Abstract

In the present invention, a reinforced thermoplastic resin composition comprises: a resin primary component (C), which is formed from 50 to 100 mass% of a polycarbonate resin (A) and 0 to 50 mass% of a graft copolymer (B) obtained by polymerization of a monomer mixture comprising an aromatic alkenyl compound monomer (a) and a vinyl cyanide compound monomer (b) in the presence of a rubber polymer (B1); an inorganic filler (D); a glycidyl ether units-containing polymer (E) which has glycidyl ether units and a mass-average molecular weight of 3,800 to 60,000; and (F) a polyamide having a water content of 0.1% or less.

IPC Classes  ?

• C08L 69/00 - Compositions of polycarbonatesCompositions of derivatives of polycarbonates
• C08K 3/04 - Carbon
• C08L 55/02 - ABS [Acrylonitrile-Butadiene-Styrene] polymers
• C08L 77/00 - Compositions of polyamides obtained by reactions forming a carboxylic amide link in the main chainCompositions of derivatives of such polymers

Abstract

Provided is a thermoplastic resin composition which has excellent thermal discoloration resistance during the retention period of molding and provides a molded article that has excellent fluidity, impact resistance, heat resistance, surface appearance, color developability and vibration damping properties. A thermoplastic resin composition which contains 20-70 parts by mass of a graft copolymer (A) which is obtained by graft copolymerizing a vinyl monomer that is selected from the group consisting of unsaturated nitrile monomers, aromatic vinyl monomers and (meth)acrylic acid ester monomers in the presence of a rubbery polymer (a) having a volume average particle diameter of 80-600 nm and 30-80 parts by mass of a copolymer (B) which is obtained by copolymerizing a vinyl monomer mixture that contains a vinyl monomer selected from the group consisting of unsaturated nitrile monomers, aromatic vinyl monomers and (meth)acrylic acid ester monomers, while essentially containing styrene and α-methyl styrene as aromatic vinyl monomers, with the total of (A) and (B) being 100 parts by mass.

IPC Classes  ?

• C08L 25/08 - Copolymers of styrene
• C08F 2/18 - Suspension polymerisation
• C08F 220/16 - Esters of monohydric alcohols or phenols of phenols or of alcohols containing two or more carbon atoms
• C08L 51/04 - Compositions of graft polymers in which the grafted component is obtained by reactions only involving carbon-to-carbon unsaturated bondsCompositions of derivatives of such polymers grafted on to rubbers
• C08L 51/06 - Compositions of graft polymers in which the grafted component is obtained by reactions only involving carbon-to-carbon unsaturated bondsCompositions of derivatives of such polymers grafted on to homopolymers or copolymers of aliphatic hydrocarbons containing only one carbon-to-carbon double bond

Abstract

Provided is a thermoplastic resin composition which has excellent continuous moldability and excellent appearance improvability of a molded article. A thermoplastic resin composition which contains 0.1-0.3 part of an alkaline earth metal oxide (M) per a total of 100 parts of 18-44 parts of a graft copolymer (A) described below and 56-82 parts of a copolymer (B) described below. Graft copolymer (A): a graft copolymer obtained by graft copolymerizing 35-65 parts of a composite rubber polymer (I) having a particle diameter of 180-500 nm and configured of 5-90% of a diene rubber (i), which is obtained from a small particulate diene rubber and an acid group-containing copolymer, and 95-10% of a crosslinked acrylic acid ester polymer (ii) and 35-65 parts of a monomer mixture (II) containing 60-95% of an aromatic vinyl monomer and 5-40% of a vinyl cyanide monomer Copolymer (B): a copolymer obtained by polymerizing a monomer mixture containing 60-95% of an aromatic vinyl monomer and 5-40% of a vinyl cyanide monomer

IPC Classes  ?

• C08L 25/12 - Copolymers of styrene with unsaturated nitriles
• C08K 3/22 - OxidesHydroxides of metals
• C08L 51/04 - Compositions of graft polymers in which the grafted component is obtained by reactions only involving carbon-to-carbon unsaturated bondsCompositions of derivatives of such polymers grafted on to rubbers

Abstract

A polylactic acid-containing thermoplastic resin composition which enables the production of a molded article that can be molded in a practically satisfactory molding cycle and has excellent mechanical properties including impact resistance, excellent heat resistance, excellent weld appearance and the like. The polylactic acid-containing thermoplastic resin composition comprises: 100 parts by weight of a polylactic acid-containing thermoplastic resin component which comprises 50 to 95 parts by weight of a polylactic acid resin (A) and 5 to 50 parts by weight of a rubber-reinforced resin (B); 0.1 to 3 parts by weight of a nucleating agent (C); 1 to 15 parts by weight of a filler (D); and 0.03 to 3 parts by weight of a dispersant (E). The rubber-reinforced resin (B) comprises 30 to 100% by weight of a rubber-containing graft copolymer (b-1) and 0 to 70% by weight of a hard (co)polymer (b-2).

IPC Classes  ?

• C08L 67/04 - Polyesters derived from hydroxy carboxylic acids, e.g. lactones
• C08K 7/00 - Use of ingredients characterised by shape
• C08L 51/04 - Compositions of graft polymers in which the grafted component is obtained by reactions only involving carbon-to-carbon unsaturated bondsCompositions of derivatives of such polymers grafted on to rubbers
• C08L 55/02 - ABS [Acrylonitrile-Butadiene-Styrene] polymers
• C08L 101/16 - Compositions of unspecified macromolecular compounds the macromolecular compounds being biodegradable

Abstract

Provided is a reinforced thermoplastic resin composition which contains, in specific proportions, a resin primary component (C) comprising 50-100 mass% of a polycarbonate resin (A) and 0-50 mass% of a graft copolymer (B) obtained by polymerization of a monomer mixture that includes an aromatic alkenyl compound monomer (a) and a vinyl cyanide compound monomer (b) in the presence of a rubber polymer (B1); glass fibers (D); a glycidyl ether unit-containing polymer (E) having glycidyl ether units and mass-average molecular weight of 3,800-60,000; a phosphoric acid-based flame retardant (F); and an organic modified siloxane compound (G).

IPC Classes  ?

• C08L 69/00 - Compositions of polycarbonatesCompositions of derivatives of polycarbonates
• C08K 5/521 - Esters of phosphoric acids, e.g. of H3PO4
• C08K 7/14 - Glass
• C08L 51/04 - Compositions of graft polymers in which the grafted component is obtained by reactions only involving carbon-to-carbon unsaturated bondsCompositions of derivatives of such polymers grafted on to rubbers
• C08L 51/08 - Compositions of graft polymers in which the grafted component is obtained by reactions only involving carbon-to-carbon unsaturated bondsCompositions of derivatives of such polymers grafted on to macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds
• C08L 63/00 - Compositions of epoxy resinsCompositions of derivatives of epoxy resins
• C08L 83/04 - Polysiloxanes

Abstract

This graft copolymer is obtained by polymerizing a vinyl monomer mixture (m1) including an aromatic vinyl compound and a vinyl cyanide compound, in the presence of: an ethylene/α-olefin copolymer (A) which has a mass average molecular weight (Mw) in the range of 17×104 to 35×104, and a molecular weight distribution (Mw/Mn) in the range of 1-3; or a crosslinked ethylene/α-olefin copolymer (C) obtained by crosslinking the ethylene/α-olefin copolymer (A).

IPC Classes  ?

• C08F 255/04 - Macromolecular compounds obtained by polymerising monomers on to polymers of hydrocarbons as defined in group on to polymers of olefins having two or three carbon atoms on to ethene-propene copolymers
• C08F 2/44 - Polymerisation in the presence of compounding ingredients, e.g. plasticisers, dyestuffs, fillers
• C08F 291/02 - Macromolecular compounds obtained by polymerising monomers on to macromolecular compounds according to more than one of the groups on to elastomers
• C08L 33/10 - Homopolymers or copolymers of methacrylic acid esters
• C08L 51/00 - Compositions of graft polymers in which the grafted component is obtained by reactions only involving carbon-to-carbon unsaturated bondsCompositions of derivatives of such polymers
• C08L 51/04 - Compositions of graft polymers in which the grafted component is obtained by reactions only involving carbon-to-carbon unsaturated bondsCompositions of derivatives of such polymers grafted on to rubbers

Abstract

A reinforced thermoplastic resin composition comprising: (A) a polycarbonate resin; (B) a graft copolymer which is produced by polymerizing a monomer mixture comprising an aromatic alkenyl compound monomer (a) and a vinyl cyanide compound monomer (b) in the presence of a rubbery polymer (B1); (D) a glass fiber of which the surface is treated with a water-soluble polyurethane and which has a ratio of a major axis diameter to a minor axis diameter is 2 or more on the cross section of the fiber; (E) a polymer containing a glycidyl ether unit, which has a glycidyl ether unit and has a mass average molecular weight of 3,800 to 60,000; (F1) a phosphate-ester-type flame retardant agent having a mass average molecular weight of 300 to 430; (F2) a phosphate-ester-type flame retardant agent having a mass average molecular weight of 550 to 692; and (G) a sulfonic acid metal salt.

IPC Classes  ?

• C08L 69/00 - Compositions of polycarbonatesCompositions of derivatives of polycarbonates
• C08J 5/08 - Reinforcing macromolecular compounds with loose or coherent fibrous material using pretreated fibrous materials glass fibres
• C08K 5/42 - Sulfonic acidsDerivatives thereof
• C08K 5/521 - Esters of phosphoric acids, e.g. of H3PO4
• C08K 9/04 - Ingredients treated with organic substances
• C08L 51/04 - Compositions of graft polymers in which the grafted component is obtained by reactions only involving carbon-to-carbon unsaturated bondsCompositions of derivatives of such polymers grafted on to rubbers

Abstract

[Problem] To provide a lubricating thermoplastic resin composition which exhibits excellent lubricating properties of a molded product, has an excellent surface outer appearance, and permanently maintains lubricating properties. [Solution] A lubricating thermoplastic resin composition containing: an acid modified copolymer (A) which is formed from a monomer mixture containing an aromatic vinyl and a vinyl cyanide and which has a carboxyl group in the molecular chain; and a functional-group-imparted lubricant (B) having, within the same molecule, a functional group (B1) which may react with a carboxyl group and a lubricant site (B2) exhibiting lubricating properties. The lubricating thermoplastic resin composition may also contain a graft copolymer (C), and/or another thermoplastic resin (D) excluding the acid modified copolymer (A).

IPC Classes  ?

• C08L 25/12 - Copolymers of styrene with unsaturated nitriles
• C08F 212/10 - Styrene with nitriles
• C08J 5/16 - Manufacture of articles or materials having reduced friction
• C08F 2/50 - Polymerisation initiated by wave energy or particle radiation by ultraviolet or visible light with sensitising agents
• C08F 4/04 - Azo-compounds
• C08F 4/32 - Organic compounds

Abstract

Provided is a plastic chassis which, through resinification, can be made lighter, thinner and more complex in shape, which, even when made thinner and lighter, has durability under high-temperature conditions and rigidity equivalent to that of magnesium metal chasses, and which can ensure product safety by suppressing decreased dimensional precision and warpage due to being thinner and lighter. Also provided is an electrical product component formed by adhering a component substrate configured from a thermoplastic resin to the aforementioned plastic chassis. This invention relates to a plated plastic chassis having a plastic chassis body formed from a filler reinforced plastic with a 4,000-22,000MPa flexural modulus according to ISO 178:2001, and a 5-50μm thick plating layer formed on at least a portion of the surface of the plastic chassis body.

IPC Classes  ?

• H05K 7/04 - Arrangements of circuit components or wiring on supporting structure on conductive chassis
• C23C 18/16 - Chemical coating by decomposition of either liquid compounds or solutions of the coating forming compounds, without leaving reaction products of surface material in the coatingContact plating by reduction or substitution, i.e. electroless plating
• C25D 5/56 - Electroplating of non-metallic surfaces of plastics

Abstract

This strengthened thermoplastic resin composition contains 50-90 mass% of a polycarbonate resin (A) and 10-50 mass% of a graft copolymer (B) wherein a polymer (B2) having an aromatic alkenyl compound monomer (a) unit and a vinyl cyanide compound monomer (b) unit has been graft polymerized in the presence of a rubbery polymer (B1), and for every total of 100 parts by mass of the polycarbonate resin (A) and the graft copolymer (B), the strengthened thermoplastic resin composition contains 61-129 parts by mass of glass fibers (D) that have been surface treated with a water-soluble urethane, 0.5-20 parts by mass of a polymer (E) containing a glycidyl ether unit, and 10-40 parts by mass of a phosphate ester-based flame retardant (F).

IPC Classes  ?

• C08L 69/00 - Compositions of polycarbonatesCompositions of derivatives of polycarbonates
• C08K 5/521 - Esters of phosphoric acids, e.g. of H3PO4
• C08K 9/04 - Ingredients treated with organic substances
• C08L 55/02 - ABS [Acrylonitrile-Butadiene-Styrene] polymers
• C08L 63/00 - Compositions of epoxy resinsCompositions of derivatives of epoxy resins

Abstract

[Problem] To provide an acrylic rubber-based graft copolymer capable of providing a thermoplastic resin composition of which impact resistance, stiffness, and external appearance are all excellent, and to provide a thermoplastic resin composition including the acrylic rubber-based graft copolymer. [Solution] An acrylic rubber-based graft copolymer that is a graft copolymer formed by graft polymerization of a vinyl monomer in the presence of a rubber polymer including acrylic ester-based monomer units and polyfunctional monomer units, wherein the total volume of the polyfunctional monomer units in the rubber polymer is 0.3-3 parts by mass with respect to 100 parts by mass of the acrylic ester-based monomer units, and 30-95% by mass of polyfunctional monomer units having two unsaturated bonds and 5-70% by mass of polyfunctional monomer units having three unsaturated bonds are included in the total volume of 100% by mass of the polyfunctional monomer units. A thermoplastic resin composition including the acrylic rubber-based graft copolymer.

IPC Classes  ?

• C08F 265/06 - Polymerisation of acrylate or methacrylate esters on to polymers thereof
• C08L 51/06 - Compositions of graft polymers in which the grafted component is obtained by reactions only involving carbon-to-carbon unsaturated bondsCompositions of derivatives of such polymers grafted on to homopolymers or copolymers of aliphatic hydrocarbons containing only one carbon-to-carbon double bond
• C08L 101/00 - Compositions of unspecified macromolecular compounds

Abstract

Provided are various molded bodies exhibiting excellent design characteristics, impact resistance, weather resistance, and the like, as well as a graft copolymer and a polyorganosiloxane latex as the starting material. A polyorganosiloxane latex, with the weight average particle diameter (Dw) of the polyorganosiloxane particles being 100-200 nm, and the ratio (Dw/Dn) of the weight average particle diameter (Dw) to the number average particle diameter (Dn) being 1.0-1.7. A polyorganosiloxane-containing vinyl copolymer (g) obtained, in the presence of the latex, by polymerization of one or more vinyl monomers. A graft copolymer (G) obtained, in the presence of the copolymer, by graft-polymerizing one or more vinyl monomers. A thermoplastic resin composition, including the graft copolymer (Ga) and another thermoplastic resin (Ha). A molded body obtained by molding the resin composition. A lamp housing for a vehicular lamp, including the molded body obtained by molding the resin composition.

IPC Classes  ?

• C08G 77/06 - Preparatory processes
• C08F 290/06 - Polymers provided for in subclass
• C08F 291/00 - Macromolecular compounds obtained by polymerising monomers on to macromolecular compounds according to more than one of the groups
• C08L 51/00 - Compositions of graft polymers in which the grafted component is obtained by reactions only involving carbon-to-carbon unsaturated bondsCompositions of derivatives of such polymers
• C08L 101/00 - Compositions of unspecified macromolecular compounds
• F21S 8/10 - specially adapted for vehicles

Abstract

Disclosed are an acid modified propylene aqueous dispersion (I) having superior film forming properties in low-temperature dry conditions and superior solvent resistance in addition to superior adhesiveness for molded articles of polyolefin without containing an organic solvent and polymer containing chlorine atoms, a water-based coating composition (M) containing that acid modified propylene aqueous dispersion (I), and a method for producing an acid modified propylene aqueous dispersion (I2) and a water-based coating composition (L) containing that acid modified propylene aqueous dispersion (I2). A first embodiment is characterized by the acid modified propylene aqueous dispersion (I) containing an acid modified polymer material (G), anionic surface active agent (C), basic substance (D) and water (E1), by being an aqueous dispersion not containing an organic solvent and polymer containing chlorine atoms and by the acid modified polymer material (G) containing a first acid modified propylene polymer (A).

IPC Classes  ?

• C08L 23/10 - Homopolymers or copolymers of propene
• C08J 3/05 - Making solutions, dispersions, lattices or gels by other methods than by solution, emulsion or suspension polymerisation techniques in aqueous media from solid polymers
• C08K 3/22 - OxidesHydroxides of metals
• C08K 5/09 - Carboxylic acidsMetal salts thereofAnhydrides thereof
• C08L 23/26 - Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bondCompositions of derivatives of such polymers modified by chemical after-treatment
• C09D 123/26 - Coating compositions based on homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bondCoating compositions based on derivatives of such polymers modified by chemical after-treatment

Abstract

Provided is a flame-retardant thermoplastic resin composition in which excellent flame retardance meeting UL 94V-2 is attained using a phosphorus-based flame retardant without using a halogenated flame retardant. Further, the flame-retardant thermoplastic resin composition exhibits excellent anti-drip properties when burnt, and has well-balanced physical properties. Specifically provided is a flame-retardant thermoplastic resin composition obtained by blending 100 parts by mass of a copolymer mixture consisting of (A) a graft copolymer obtained by graft-polymerizing a rubbery polymer with a vinyl cyanide and a polymerizable vinyl compound and (B) a vinyl copolymer that is obtained by copolymerizing a vinyl cyanide with a copolymerizable vinyl compound and that has a mass-average molecular weight of 90,000 to 160,000 with 5 to 20 parts by mass of (C) a phosphorus-based flame retardant. The content (CB1) of vinyl cyanide units in the acetone-insoluble fraction of the copolymer mixture is 22.0 to 32.0% by mass, and the content (CB2) of vinyl cyanide units in the acetone-soluble fraction thereof is 22.0 to 34.0% by mass, with CB1 and CB2 satisfying the relationship: |CB1 - CB2| = 0 to 3.0% by mass.

IPC Classes  ?

• C08L 51/04 - Compositions of graft polymers in which the grafted component is obtained by reactions only involving carbon-to-carbon unsaturated bondsCompositions of derivatives of such polymers grafted on to rubbers
• C08K 5/49 - Phosphorus-containing compounds
• C08L 25/12 - Copolymers of styrene with unsaturated nitriles
• C08L 33/18 - Homopolymers or copolymers of nitriles

Abstract

Disclosed is a reinforced thermoplastic resin composition which comprises 50-90 mass% polycarbonate resin (A), 10-50 mass% graft copolymer mixture (B) obtained by graft-polymerizing the unit of an aromatic alkenyl compound monomer (a) and the unit of a vinyl cyanide compound monomer (b) with a rubbery polymer (B1) (the sum of the ingredient (A) and the ingredient (B) being 100 mass%), and an inorganic filler (D), the surface of which has been treated with a water-soluble polyamide, the amount of the filler (D) being 6-22 parts by mass per 100 parts by mass of the sum of the polycarbonate resin (A) and the graft copolymer mixture (B). The reinforced thermoplastic resin composition has excellent moldability and generates little gas during molding. The reinforced thermoplastic resin composition can give a molded article having enhanced rigidity and enhanced resistance to the impact of falling thereof.

IPC Classes  ?

• C08L 69/00 - Compositions of polycarbonatesCompositions of derivatives of polycarbonates
• C08K 5/521 - Esters of phosphoric acids, e.g. of H3PO4
• C08K 9/04 - Ingredients treated with organic substances
• C08L 51/04 - Compositions of graft polymers in which the grafted component is obtained by reactions only involving carbon-to-carbon unsaturated bondsCompositions of derivatives of such polymers grafted on to rubbers

Abstract

An electrically conductive thermoplastic resin composition, which comprises (i) 100 parts by mass of a thermoplastic resin component comprising 1 to 100% by mass of a polycarbonate resin (A) and 0 to 99% by mass of a rubber-reinforced resin (B) obtained by polymerizing at least one vinyl monomer selected from the group consisting of aromatic vinyl, vinyl cyanide and (meth)acrylic esters in the presence of a rubbery polymer and (ii) 0.1 to 20 parts by mass of fine carbon fibers (C). The fine carbon fibers (C) are each composed of aggregates which are connected in a head-to-tail manner with spaces left therebetween, said aggregates being each composed of 2 to 30 temple-bell-shaped structural units which are coaxially stacked. Each temple-bell-shaped structural unit is made of a graphite net plane consisting only of carbon atoms, and has a closed top and an open-bottomed body. The electrically conductive thermoplastic resin composition can yield a molded product which exhibits high electric conductivity and excellent surface appearance and impact resistance.

IPC Classes  ?

• C08L 69/00 - Compositions of polycarbonatesCompositions of derivatives of polycarbonates
• C01B 31/02 - Preparation of carbon; Purification
• C08K 7/06 - Elements
• C08L 51/04 - Compositions of graft polymers in which the grafted component is obtained by reactions only involving carbon-to-carbon unsaturated bondsCompositions of derivatives of such polymers grafted on to rubbers

Abstract

Disclosed is a resin composition for plating use, and a resin plated product, which have excellent plating adhesion strength, formability, shock resistance, and a low coefficient of linear expansion. This resin composition for plating use is characterized in that a graft copolymer (A), formed by graft polymerization of a specific monomeric component, and a specific copolymer (B), are included in a rubbery polymer (d) formed from a conjugated diene rubber, with the ratio of the rubbery polymer (d) being 10-20 mass% with respect to a total mass% of 100 for the graft copolymer (A) and copolymer (B), and with 1-8 parts by mass of an oxidation inhibitor (C) with a melting point of 25-100°C blended with respect to a total of 100 parts by mass of the graft copolymer (A) and copolymer (B).

IPC Classes  ?

• C08L 51/04 - Compositions of graft polymers in which the grafted component is obtained by reactions only involving carbon-to-carbon unsaturated bondsCompositions of derivatives of such polymers grafted on to rubbers
• C08K 5/00 - Use of organic ingredients
• C08L 25/12 - Copolymers of styrene with unsaturated nitriles
• C25D 5/56 - Electroplating of non-metallic surfaces of plastics

Abstract

Disclosed is a reinforced thermoplastic resin composition having excellent moldability, processability and mechanical strength, while having improved drop impact resistance (surface impact strength determined by a ball drop test). Specifically disclosed is a reinforced thermoplastic resin composition containing 10-60% by mass of a graft copolymer (A) wherein a graft chain (A2) is grafted to a rubbery polymer (A1), and 40-90% by mass of a matrix polymer (B) composed of one or more polymers selected from the group consisting of vinyl copolymers (B-1), polycarbonate resins (B-2) and polyester resins (B-3). The reinforced thermoplastic resin composition further contains, per 100 parts by mass of the total of the graft copolymer (A) and the matrix polymer (B), 0.1-50 parts by mass of an inorganic filler (D) and 0.5-20 parts by mass of a glycidyl ether unit-containing polymer (E) having a mass average molecular weight of 3,000-200,000.

IPC Classes  ?

• C08L 51/04 - Compositions of graft polymers in which the grafted component is obtained by reactions only involving carbon-to-carbon unsaturated bondsCompositions of derivatives of such polymers grafted on to rubbers
• C08K 3/00 - Use of inorganic substances as compounding ingredients
• C08K 5/521 - Esters of phosphoric acids, e.g. of H3PO4
• C08L 25/12 - Copolymers of styrene with unsaturated nitriles
• C08L 63/00 - Compositions of epoxy resinsCompositions of derivatives of epoxy resins
• C08L 67/02 - Polyesters derived from dicarboxylic acids and dihydroxy compounds
• C08L 69/00 - Compositions of polycarbonatesCompositions of derivatives of polycarbonates

Abstract

Disclosed is a reinforced resin composition for plating bases, which has high moldability and mechanical strength, while exhibiting excellent platability. This reinforced resin composition for plating bases enables an molded article thereof to have a good surface appearance after plating. Specifically disclosed is a reinforced resin composition for plating bases, which contains 10-60% by mass of a graft copolymer (A) wherein a graft chain (A2) is grafted to a rubbery polymer (A1) having a specific particle size, and 40-90% by mass of a matrix polymer (B) composed of one or more polymers selected from the group consisting of vinyl copolymers (B-1), polycarbonate resins (B-2) and polyester resins (B-3). The reinforced resin composition for plating bases further contains, per 100 parts by mass of the total of the component (A) and the component (B), 0.1-60 parts by mass of an inorganic filler (D) and 0.5-20 parts by mass of a glycidyl ether unit-containing polymer (E). When the total of the component (A) and the matrix polymer component (B) is taken as 100% by mass, the rubbery polymer (A1) is contained in an amount of 5-25% by mass.

IPC Classes  ?

• C08L 55/02 - ABS [Acrylonitrile-Butadiene-Styrene] polymers
• C08L 25/12 - Copolymers of styrene with unsaturated nitriles
• C08L 63/00 - Compositions of epoxy resinsCompositions of derivatives of epoxy resins
• C08L 67/00 - Compositions of polyesters obtained by reactions forming a carboxylic ester link in the main chainCompositions of derivatives of such polymers
• C08L 69/00 - Compositions of polycarbonatesCompositions of derivatives of polycarbonates
• C25D 5/56 - Electroplating of non-metallic surfaces of plastics

Abstract

Disclosed is a method for producing an enlarged rubber, which is characterized by blending 0.1-10 parts by mass of a condensed acid salt (B) and 0.1-10 parts by mass, in terms of solid content, of an acid group-containing copolymer latex (C) per 100 parts by mass of the solid content of a rubbery polymer latex (A). Also disclosed are a graft copolymer obtained by polymerization in the presence of an enlarged rubber obtained by the above-described production method, a thermoplastic resin composition containing such a graft copolymer, and a molded article obtained by molding such a thermoplastic resin composition. Acid group-containing copolymer latex (C): a latex of an acid group-containing copolymer which is obtained by polymerizing a monomer mixture containing 5-30% by mass of an acid group-containing monomer and 95-70% by mass of an unsaturated carboxylic acid ester monomer in water.

IPC Classes  ?

• C08C 1/07 - Increasing the size of dispersed rubber particles characterised by the agglomerating agents used
• C08F 265/06 - Polymerisation of acrylate or methacrylate esters on to polymers thereof
• C08L 51/04 - Compositions of graft polymers in which the grafted component is obtained by reactions only involving carbon-to-carbon unsaturated bondsCompositions of derivatives of such polymers grafted on to rubbers
• C08L 101/00 - Compositions of unspecified macromolecular compounds

Abstract

A thermoplastic resin composition capable of providing composite moldings which are excellent in chemical resistance and surface appearance, in the close adhesion of surface layers made of the composition to substrate resins such as PS resin or waste thereof, and in fabricability (such as chipping resistance) and endurance (such as heat cycle resistance); and composite moldings with surface layers made of the composition. A thermoplastic resin composition comprising 100 parts by mass of the first vinyl (co)polymer (I) which is obtained by (co)polymerizing one or more monomers selected from the group consisting of aromatic vinyl compounds, vinyl cyanide and other vinyl monomers copolymerizable therewith and 1 to 100 parts by mass of a vinyl copolymer (II) which is obtained by copolymerizing vinyl cyanide with other vinyl monomer copolymerizable with vinyl cyanide and in which the vinyl cyanide content of the acetone solubles is 0.1 to 15% by mass.

IPC Classes  ?

• C08L 25/02 - Homopolymers or copolymers of hydrocarbons
• C08L 33/18 - Homopolymers or copolymers of nitriles
• C08L 51/00 - Compositions of graft polymers in which the grafted component is obtained by reactions only involving carbon-to-carbon unsaturated bondsCompositions of derivatives of such polymers