Sumitomo Naugatuck Co., Ltd.

Sumitamo Naugatuck Co., Ltd.

Takesaburo Shima

Tomio Yoshida

Hiroshi Kozima

Joji Nakamura

A process for producing a thermoplastic resin having excellent impact resistance and processability, which comprises: polymerizing an aromatic monovinyl monomer and a vinyl cyanide monomer in the presence of an aqueous elastomeric latex, mixing with agitation the resulting copolymer latex with an aromatic monovinyl monomer and a vinyl cyanide monomer in the presence of a polyalkylene oxide and a coagulant to give a stable suspension phase, and polymerizing the mixture, and said thermoplastic resin thus produced, and a composition comprising said thermoplastic resin and a copolymer produced from an aromatic monovinyl monomer and a vinyl cyanide monomer.

Process for producing thermoplastic resin

A process for producing a thermoplastic resin having excellent impact resistance and processability, which comprises polymerizing an aromatic monovinyl monomer and a vinyl cyanide monomer in the presence of an aqueous elastomeric latex, mixing with agitation the resulting copolymer latex with an aromatic monovinyl monomer and a vinyl cyanide monomer in the presence of a polyalkylene oxide and a coagulant to give a stable suspension phase, and polymerizing the mixture, and said thermoplastic resin thus produced, and a composition comprising said thermoplastic resin and a copolymer produced from an aromatic monovinyl monomer and a vinyl cyanide monomer.

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Saijo, Japan

Takesaburo Shima