An object of the present invention is to propose a novel thermoplastic resin composition having high impact resistance without degrading weather resistance even when the content of an impact modifier is small. A thermoplastic resin composition includes 100 parts by weight of a thermoplastic resin (a) and 0.5 to 20 parts by weight of an impact modifier (b) containing a graft copolymer (b-1) containing at least one (meth)acrylate flexible polymer phase and a rigid polymer phase serving as the outermost part of the graft copolymer, a water-soluble polymer compound (b-2) having a physical gel-forming property, and a gelling agent (b-3). In the thermoplastic resin composition, the content of the water-soluble polymer compound (b-2) having the physical gel-forming property is 0.01 to 3.0 parts by weight relative to 100 parts by weight of the graft copolymer (b-1) and the content of the rigid polymer phase serving as the outermost part in the graft copolymer (b-1) is 0.5 to 10 percent by weight.

Thermoplastic Resin Composition

A thermoplastic resin composition is described, which comprises 100 parts by weight of a resin mixture consisting of (A) 40 to 90 parts by weight of an aromatic polycarbonate, (B) 1 to 60 parts by weight of a graft copolymer prepared by graft copolymerizing an aromatic vinyl monomer and a monomer copolymerizable with the aromatic vinyl monomer in the presence of a rubbery polymer, and (C) 0 to 40 parts by weight of a copolymer prepared by copolymerizing an aromatic vinyl monomer and a monomer copolymerizable with the aromatic vinyl monomer and (D) 1 to 30 parts by weight of a phosphazene. This composition may be used as a flame retardant.

Flame-retardant thermoplastic resin composition

This invention provides a gap clogging member for vehicles using an olefinic thermoplastic elastomer that is wide in a regulatable range of gloss value representing gloss, can provide a high initial gloss value, and is also excellent in mechanical properties such as scratch resistance, chemical resistance, and adhesion, and recycling properties. The gap clogging member for vehicles is a member which is mounted in the peripheral part of a plate-like body for vehicle windows, for clogging a gap between a vehicle body in its opening part and the plate-like body for vehicle windows. The gap clogging member for vehicles comprises an olefinic thermoplastic elastomer comprising: an olefinic graft copolymer comprising an olefinic polymer or olefinic copolymer segment formed of an α-olefinic monomer and a vinyl copolymer segment, particles of one of the segments being dispersed in the other segment, the average particle diameter of the particles being 0.01 to 1 μm; and an acrylic rubber produced by copolymerizing a monomer mixture composed mainly of methoxyethyl acrylate, an alkyl acrylate, acrylonitrile, and allyl methacrylate.

Gap clogging member for vehicles, and plate-like body for vehicle windows with gap clogging member using the same

The objective of the present invention is to provide a thermoplastic resin composition having an excellent balance of chemical resistance, heat resistance and impact resistance and a molded article comprising this thermoplastic resin composition The present thermoplastic resin composition comprises a rubber-reinforced resin, an ethylene•(meth)acrylic acid ester•carbon monoxide copolymer, and polytetrafluoroethylene, and contents of ethylene•(meth)acrylic acid ester•carbon monoxide copolymer and polytetrafluoroethylene are respectively from 05 to 20 parts by weight and from 001 to 5 parts by weight, with respect to 100 parts by weight of the rubber-reinforced resin A modified polyolefin resin may be contained

Thermoplastic resin composition and molded article

PROBLEM TO BE SOLVED: To obtain a thermoplastic resin composition to become a molding having high toughness even in a very small amount of a saccharide compound added without impairing basic physical properties of a thermoplastic resin at all and a thermoplastic resin molding obtained from the thermoplastic resin composition. SOLUTION: The thermoplastic resin composition comprises 0.002 part by mass-1.5 parts by mass of a saccharide compound alone or at least any one of a saccharide compound and a polyhydric phenol compound based on 100 parts by mass of a thermoplastic resin. The saccharide compound comprises at least one of a monosaccharide, a disaccharide, an oligosaccharide and a polysaccharide. The polyhydric phenol compound contains a tannin compound. COPYRIGHT: (C)2006,JPO&NCIPI

Thermoplastic resin composition and thermoplastic resin molding

PROBLEM TO BE SOLVED: To obtain a thermoplastic resin composition that excels in chemical resistance without crazing and cracking of moldings of the composition on contact with liquid chemicals while maintaining characteristics such as good mechanical properties and molding processability. SOLUTION: This resin composition comprises (A) 1-80 pts.wt. of a graft copolymer at graft ratio of 15-100% which is obtained by graft polymerization of (I) 5-80 pts.wt. of a diene-based rubber having 0.1-2.0μm weight-average particle size and (II) 95-20 pts.wt of a monomer mixture composed of 45-85wt.% of an aromatic vinyl compound and/or an α,β-unsaturated carboxylic ester, 15-55wt.% of vinyl cyanide and 0-40wt.% of another copolymerizable vinyl monomer, and (B) 0-90 pts.wt. of a copolymer obtained by copolymerization of the monomer mixture of the component II of the component A, and (C) 1-20 pts.wt of a copolymer composed of ethylene/(meth)acrylic ester/CO. The reduced viscosity of the acetone-soluble components of this composition is 0.1-1.0dl/g.

Chemical-resistant thermoplastic resin composition

PROBLEM TO BE SOLVED: To obtain the subject composition having excellent stress cracking resistance, etc, by blending a rubber-containing graft copolymer, a specific copolymer and a specific terpolymer SOLUTION: This resin composition is composed of (A) 0-60 ptswt of a graft polymer having a grafting ratio of 15-100wt% and composed of (a) 5-80 ptswt of a diene rubber having a weight-average particle diameter of 01-20μm and (b) 95-20 ptswt of a monomer mixture composed of (i) 45-80wt% of an aromatic vinyl compound and/or an α,β-unsaturated carboxylic acid ester compound, (ii) 15-55wt% of a vinyl cyanide compound and (iii) 0-40wt% of other copolymerizable vinyl monomer, (B) 20-95 ptswt of a copolymer of a monomer mixture composed of 45-75wt% of the component (i), 25-55wt% of the component (ii) and 0-40wt% of the component (iii) and (C) 1-20 ptswt of a copolymer composed of ethylene/(meth)acrylic acid ester/carbon monoxide The reduced viscosity of its acetone-soluble component is 01-10dl/g and the triple sequence content in the component (ii) of the component B is <=10wt%

Thermoplastic resin composition having chemical resistance

PROBLEM TO BE SOLVED: To obtain a thermoplastic resin composition excellent in balance between the flex fatigue resistance and molding processability of thin-walled parts. SOLUTION: This thermoplastic resin composition for thin-wall molded products is obtained by compounding 100 pts.wt. of a resin composition comprising (A) 15-50 pts.wt. of a graft copolymer of specific composition using a rubbery polymer 0.1-1.5 μm in weight-average particle size and (B) 85-50 pts.wt. of a vinyl copolymer of specific composition 0.3-0.6 dL/g in the intrinsic viscosity [η]of the acetone solubles therein with (C) 1-15 pts.wt. of a copolymer composed of ethylene/(meth)acrylic ester/carbon monoxide.

Thermoplastic resin composition for thin-wall molded product and molded product

PROBLEM TO BE SOLVED: To obtain an antistatic resin compsn. excellent in permanent antistatic properties by compounding an arom. vinyl compd.-vinyl cyanide compd. copolymer, a graft copolymer formed by grafting an arom. vinyl compd. and a vinyl cyanide compd. onto a rubber, a functional-group-modified vinyl copolymer, a polyamide elastomer, etc. SOLUTION: This resin compsn. is prepd. by compounding 10-40 pts.wt. graft copolymer formed by grafting an arom. vinyl compd. and a vinyl cyanide compd. onto a rubbery polymer, 13-81.8 pts.wt. arom. vinyl compd./vinyl cyanide compd. copoylmer, 8-30 pts.wt. polyamide elastomer, 0.1-15 pts.wt. vinyl copolymer modified by functional groups such as carboxyl, epoxy, or amino groups, and 0.1-2 pts.wt. acrylamide copolymer. The graft copolymer may be the one obtd. by grafting, onto the rubbery polymer, an α,β-unsatd. carboxylic ester in place of the arom. vinyl compd. or in additio to the arom. vinyl compd. and the vinyl cyanide compd. A pref. rubbery polymer is polybutadiene or SBR. A pref. arom. vinyl compd. is a styrene compd. Thus prepd. resin compsn. is permanently antistatic, is excellent in moldability, mechanical strengths, etc., and does not cause layered separation.

Antistatic resin composition

PROBLEM TO BE SOLVED: To obtain the subject composition excellent in chemical resistance, antistress cracking property, antistatic property, etc., by blending a cyanated vinyl-based copolymer having a specific structure with a polyamide elastomer, a modified vinyl-based copolymer and a graft copolymer containing a rubber. SOLUTION: This chemical resistant thermoplastic polymer composition consists of (A) 10-50 pt.wt. graft copolymer consisting of 5-80 pt.wt. rubber-based polymer and 95-20 pt.wt. monomer mixture consisting of at least one or more kinds of monomers of (i) an aromatic vinyl-based monomer, (ii) a cyanated vinyl-based monomer and (iii) another vinylbased monomer capable of copolymerizable with the above monomers, (B) 10 84.9 pt.wt. cyanated vinyl- based copolymer consisting of 75-45wt.% component (i), 25-55wt.% component (ii) and 0-60wt.% component (iii) and also having <=10wt.% ratio of three consecutive sequences of the component (ii), (C) 5-25 pt.wt. polyamide elastomer and (D) 0.1-15 pt. wt. modified vinyl-based copolymer having a functional group such as carboxyl, epoxy, amino, etc.

Nishizawa Masahiro

Papers

Chemical-resistant thermoplastic resin composition

Thermoplastic resin composition having chemical resistance

Thermoplastic resin composition for thin-wall molded product and molded product

Antistatic resin composition

Chemical resistant thermoplastic resin composition and molded product therefrom