Abstract: A vinyl chloride resin composition having excellent impact resistance even at a low temperature and good weather resistance is disclosed. Such vinyl chloride resin composition comprises:(A) a vinyl chloride resin, and(B) a compound rubber type graft copolymerwherein one or more vinyl monomers are graft-polymerized onto a compound rubber that has an average particle diameter of 0.08 to 0.6 .mu.m and possesses such a structure that 1 to 10 wt. % of a polyorganosiloxane rubber component and 90 to 99 wt. % of a polyalkyl (meth)acrylate rubber component are entangled in an inseparable fashion, and the total amount of the polyorganosiloxane rubber component and the polyalkyl (meth)acrylate rubber component is 100 wt. %.

Abstract: A methacrylic resin cast plate having an excellent antistatic property comprises (A) 100 weight parts of a polymer comprising 50 to 100 weight % of methyl methacrylate units and 0 to 50 weight % of copolymerizable monomer units and (B) 0.1 to 20 weight parts of a polymer comprising 20 to 100 weight & of units derived from a monomer having a quaternary ammonium base, which is represented by the formula (I): ##STR1## wherein R.sub.1 is H or CH.sub.3, R.sub.2 through R.sub.4 are H or (C1-9) alkyl which may have a substituent, m is from 1 to 10 and X.sup.- is an anion of a quaternizing agent, and 0 to 80 weight % of copolymerizable monomer units. The cast plate is obtained by polymerizing methyl methacrylate, a monomer mixture comprising at least 50 weight & of methyl methacrylate and up to 50 weight % of a copolymerizable monomer or a partial polymerization product thereof in the presence of the polymer (B).

Abstract: A high-impact resin is prepared from a combination of (A) a polyphenylene ether, (B) a styrene polymer and (C) a rubbery elastomer composition having a particle diameter distribution, determined by the histogram method in units of 0.01 .mu.m, such that at least 80%, based on the number, of particles have a particle diameter of from 0.03 to 9 .mu.m and that the particle diameter distribution has two peak values: one of from 0.1 to 1 .mu.m and another of from 2 to 8 .mu.m. The rubbery elastomer composition is a blend of 50-95 weight % of a rubbery elastomer having a particle diameter distribution such that a peak occurs in the range of 0.1 to 1 .mu.m, with a rubbery elastomer having a particle diameter distribution such that a peak occurs in the range of 2 to 8 .mu.m.

Abstract: A methacrylic resin cast plate having an excellent antistatic property comprises (A) 100 weight parts of a polymer comprising 50 to 100 weight % of methyl methacrylate units and 0 to 50 weight % of copolymerizable monomer units and (B) 0.1 to 20 weight parts of a polymer comprising 20 to 100 weight % of units derived from a monomer having a quaternary ammonium base, which is represented by the formula (I): ##STR1## wherein R.sub.1 is H or CH.sub.3, R.sub.2 through R.sub.4 are H or (Cl-9)alkyl which may have a substituent, m is from 1 to 10 and X.sup.- is an anion of a quaternizing agent,and 0 to 80 weight % of copolymerizable monomer units. The cast plate is obtained by polymerizing methyl methacrylate, a monomer mixture comprising at least 50 weight % of methyl methacrylate and up to 50 weight % of a copolymerizable monomer or a partial polymerization product thereof in the presence of the polymer (B).

Abstract: A flame retardant polyphenylene ether resin composition excellent in heat aging resistance and impact resistance is disclosed. The composition comprises(A) a polyphenylene ether resin,(B) an aromatic alkenyl resin,(C) a modified polyorganosiloxane having an average particle diameter of 0.08 to 0.6 .mu.m,(D) a phosphate, and(E) a particulate silicic acid.

Abstract: A thermoplastic resin composition superior in heat stability and impact resistance, which comprises 95-5% by weight of a thermoplastic polymer (A) selected from homopolymers and copolymers of ethylenic unsaturated monomers or from polymers of bifunctionally reactive compounds and 5-95% by weight of a compound-rubber-based graft copolymer which is produced by the graft polymerization of one or more vinyl monomers onto compound rubber particles having an average diameter of 0.08-0.6 .mu.m and structures in which 10-90% by weight of a polyorganosiloxane rubber component and 90-10% by weight of a polyalkyl(meth)acrylate rubber component are tangled together so as not to be separable from each other.

Abstract: An impact-resistant resin composition having excellent impact resistance, weather resistance, surface appearance and wear characteristics is disclosed.The resin composition comprises:(A) a compound rubber type graft copolymer wherein at least one vinyl monomers is graft-polymerized onto a compound rubber that has an average particle diameter of 0.08 to 0.6 .mu.m and possesses such a structure that 10 to 90 wt. % of a polyorganosiloxane rubber component and 10 to 90 wt. % of a polyalkyl (meth)acrylate rubber component are entangled in an inseparable fashion, and the total amount of the polyorganosiloxane rubber component and the polyalkyl (meth)arcylate rubber component is 100 wt. %; and(B) a vinyl polymer obtained by polymerizing 70 to 100 wt. % of at least one vinyl monomer selected from the group consisting of aromatic alkenyl compounds, vinyl cyanide compounds, and alkyl (meth)acrylates with 0 to 30 wt. % of other vinyl monomer copolymerizable with them.

Abstract: A vinyl chloride resin composition having excellent impact resistance even at a low temperature and good weather resistance is disclosed. Such vinyl chloride resin composition comprises:(A) a vinyl chloride resin, and(B) a compound rubber type graft copolymer wherein one or more vinyl monomers are graft-polymerized onto a compound rubber that has an average particle diameter of 0.08 to 0.6 .mu.m and possesses such a structure that 1 to 99 wt. % of a polyorganosiloxane rubber component and 1 to 990 wt. % of a polyalkyl (meth)acrylate rubber component are entangled in an inseparable fashion, and the total amount of the polyorganosiloxane rubber component and the polyalkyl (meth)acrylate rubber component is 100 wt. %.

Abstract: A thermoplastic polyester resin composition comprising from 10 to 80% by weight of a thermoplastic polyester (A); from 5 to 55% by weight of a compound rubber type graft copolymer (B) having at least one vinyl monomer graft-polymerized onto a compound rubber composed of from 10 to 90% by weight of a polyorganosiloxane rubber and from 10 to 90% by weight of a polyalkyl (meth)acrylate rubber in a total amount of 100% by weight in an inseparably interlocking fashion and having an average particle size of from 0.08 to 0.6 .mu.m; from 5 to 70% by weight of a thermoplastic polyester elastomer (C); and from 0 to 60% by weight of a filler (D), with the total amount of components (A) to (D) being 100% by weight.

Abstract: A polymethacrylimide resin composition having an improved impact resistance and thermal resistance is prepared by blending a polymethacrylimide resin with a polyorganosiloxane type graft copolymer formed by graft-polymerizing at least one ethylenically unsaturated monomer onto a polyorganosiloxane rubber copolymerized with a graft-crosslinking agent.

Abstract: A polyphenylene ether resin composition comprising(A) a polyphenylene ether resin,(B) a polystyrene resin, and(C) a graft copolymerprepared by graft-polymerizing one or more vinyl monomers onto a compound rubber having an average particle diameter of 0.08 to 0.6 .mu.m and a structure wherein 10 to 90% by weight of a polyorganosiloxane rubber component and 90 to 10% by weight of a polyalkyl (meth)acrylate rubber component are tangled with each other so as not to separate, the total amount of the polyorganosiloxane rubber component and the polyalkyl (meth)acrylate rubber component being 100% by weight of the compound rubber. This resin composition provides molded products superior in impact resistance, heat resistance, mechanical strength, and surface appearance and is superior in moldability and flow properties.

Abstract: A polyphenylene ether resin composition superior in impact resistance, heat resistance, mechanical strength, moldability, and flow properties, comprising a polyphenylene ether resin (A), a polystyrene resin (B), and a polyorganosiloxane-based graft copolymer (C) produced by graft polymerizing one or more vinyl monomers onto a polyorganosiloxane rubber which contains a graft-linking agent copolymerized and exhibits a degree of swelling of 3 to 15 measured in toluene.

Abstract: A polycarbonate resin composition comprising a polycarbonate resin (A) or a mixture (A') of a polycarbonate resin with a saturated polyester resin and/or a polyester elastomer, and a compound rubber type graft copolymer (B) having at least one vinyl monomer graft-polymerized onto a compound rubber composed of from 10 to 90% by weight of a polyorganosiloxane rubber and from 10 to 90% by weight of a polyalkyl (meth)acrylate rubber in a total amount of 100% by weight in an inseparable interlocking fashion and having an average particle size of from 0.08 to 0.6 .mu.m, or a mixture (B') of such a compound rubber type graft copolymer (B) with a vinyl monomer, wherein component (B) or (B') is in an amount such that the compound rubber is from 0.5 to 60% by weight based on the entire resin composition.

Abstract: A synthetic resin molded article having good antistatic properties is disclosed, which is composed of a body of a synthetic resin (B) having a surface layer which is predominantly comprised of an antistatic polymer (A) and is integral with the body (B). The antistatic polymer (A) mainly composed of units of a quaternary ammonium base monomer of the formula: ##STR1##wherein R.sub.1 is H or methyl, R.sub.2 through R.sub.4 are H, unsubstituted or substituted (C.sub.1-9) alkyl, m is 1-10 and X.sup.- is an anion of a quaternizing agent. The molded article is made by forming a film of the antistatic polymer (A) on the molding surface of a casting mold, casting a polymerizable material to be formed into the synthetic resin (B) as the base material in the casting mold, and polymerizing the polymerizable material to form a body of the synthetic resin (B), simultaneously rendering the film of the polymer (A) integral with the body of the base material.

Abstract: A polycarbonate resin composition excellent in chemical resistance, weather resistance, heat resistance, and low-temperature impact resistance, which comprises,either a polycarbonate resin (A) or a mixture (A') of the polycarbonate resin and a saturated polyester and/or a polyester elastomer andeither a siloxane based graft copolymer (B) obtained by graft polymerization of 95 to 10% by weight of at least one vinyl monomer onto 5 to 90% by weight of a polyorganosiloxane rubber which exhibits a degree of swelling of 3 to 30 as measured to toluene at 25.degree. C., contains constitutional units derived from a graft-linking agent, and has an average particle size of 0.08 to 0.8 .mu.m or a mixture (B) of the siloxane-based graft copolymer and a vinyl polymer,wherein the component (B) is blended so that the content of the polyorganosiloxane rubber may be from 0.5 to 60% by weight based on the whole resin composition.

Abstract: Disclosed is an antistatic thermoplastic resin composition which comprises a thermoplastic resin and a minor amount of an antistatic property-imparting material which is a polymer comprising 20 to 100 weight % of units of a monomer having a quaternary ammonium base represented by the formula (I): ##STR1## wherein R.sub.1 represents hydrogen or methyl, R.sub.2 through R.sub.4 represent hydrogen or (C1-9) alkyl, which may have a substituent, n is a number of 1 to 10, and X.sup.- represents a monovalent acid group or a corresponding equivalent of an acid, and up to 80 weight % of units of a copolymerizable vinyl or vinylidene monomer.

Abstract: A thermoplastic polyester resin composition capable of providing a molded article superior in impact resistance, heat resistance, cold resistance, and weather resistance, which comprises a blend of 10 to 80% by weight of a thermoplastic polyester (A), 5 to 55% by weight of a polyorganosiloxane-based graft copolymer (B) obtained by graft-polymerizing 95 to 10% by weight of at least one vinyl monomer onto 5 to 90% by weight of a polyorganosiloxane rubber which exhibits a degree of swelling of 3.0 to 15.0 measured in toluene at 25.degree. C. and contains a graft-linking agent, 5 to 55% by weight of a thermoplastic polyester elastomer (C), and 0 to 60% by weight of a filler (D), wherein the total amount of the components (A) to (D) is 100% by weight.

Abstract: A polyorganosiloxane-based high-impact thermoplastic graft copolymer superior in impact resistance, light resistance, surface gloss and color fastness produced by the emulsion graft polymerization of at least one vinyl monomer on an emulsion-polymerized polyorganosiloxane which consists of90 to 99.8 mole % of an organosiloxane unit represented by the formulaR'.sub.2 SiO.sub.2/2 (I)wherein R' is the same or different and denotes methyl, ethyl, propyl, or phenyl,0.1 to 10 mole % of a unit derived from a graft-linking agent, said unit being represented by the formula ##STR1## wherein; R.sup.2 denotes methyl, ethyl, propyl, or phenyl; n denotes a number of 0, 1, and 2; and p denotes a number of 1 to 6, and0.1 to 10 mole % of a unit derived from a tetrafunctional silane crosslinking agent, said unit being represented by the formulaSiO.sub.

Abstract: There is disclosed a blood anticoagulant consisting essentially of a salt formed by reacting ethylenediaminetetraacetic acid with an alkylenediamine having 2 to 8 carbon atoms in a molar ratio of ethylenediaminetetraacetic acid to alkylenediamine ranging from 1:0.5 to 1:2, or with an alkylamine having 1 to 8 carbon atoms in a molar ratio of ethylenediaminetetraacetic acid to alkylamine ranging from 1:1 to 1:3. This blood anticoagulant is suitable for preventing coagulation of blood collected for purpose of hematological examination.

Abstract: There is disclosed a blood anticoagulant consisting essentially of a sulfonated polyethyleneimine formed by sulfonating 1 mole % or more of the --NH-- and --NH.sub.2 groups present in a polyethyleneimine having a molecular weight of 300 or greater. This blood anticoagulant is suitable for preventing coagulation of blood collected for purpose of hematological examination.