THERMOPLASTIC RESIN MOLDING AND ITS PRODUCTION

PROBLEM TO BE SOLVED: To obtain a thermoplastic resin molding excellent in chemical resistance by blended molding of an ABS-based resin and a resin composition comprising an acrylic rubbery polymer containing carboxyl- or hydroxyl-bearing monomer and a vinyl copolymer containing an aromatic vinyl mo...

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Hauptverfasser: SAITO KIYOTAKA, NIIMURA TETSUYA
Format: Patent
Sprache:eng
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Zusammenfassung:PROBLEM TO BE SOLVED: To obtain a thermoplastic resin molding excellent in chemical resistance by blended molding of an ABS-based resin and a resin composition comprising an acrylic rubbery polymer containing carboxyl- or hydroxyl-bearing monomer and a vinyl copolymer containing an aromatic vinyl monomer, etc. SOLUTION: This thermoplastic resin molding is obtained by molding after simultaneous feeding of the followings to a molding machine, (I) 5-40wt.% of an acrylic rubbery polymer-contg. resin comprising (A) 50-100wt.% of a vinyl resin-contg. acrylic rubbery polymer, i.e., a polymer prepared by polymerizing 50-200 pts.wt. of at least one kind of vinyl monomer in the presence of 100 pts.wt. of an acrylic rubbery polymer containing 0.05-10wt.% of carboxyl- or hydroxyl-bearing monomer unit in the constituent monomer units and (B) 0-50wt.% of a vinyl copolymer composed of 50-80wt.% of aromatic vinyl monomer unit, 20-50wt.% of vinyl cyanide monomer unit and 0-30wt.% of vinyl monomer unit copolymerizable therewith and (II) 60-95wt.% of an ABS-based resin.