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公开(公告)号：US4985496A
公开(公告)日：1991-01-15
申请号：US366653
申请日：1989-06-15
申请人： Kazuo Kishida , Kiyokazu Kitai , Masaaki Mohri
发明人： Kazuo Kishida , Kiyokazu Kitai , Masaaki Mohri
摘要： Disclosed is a thermoplastic resin composition comprising (A) a graft copolymer obtained by emulsion-graft-polymerizing 0 to 20% by weight of an acrylic monomer and 0 to 60% by weight of an aromatic vinyl monomer in the presence of 40 to 80% by weight (as solids) of a diene type rubber polymer latex containing at least 50% by weight of a diene type rubber polymer having a weight average particle diameter of at least 0.3 .mu.m, and (B) a copolymer of an .alpha.,.beta.-unsaturated cyclic anhydride and an aromatic vinyl compound. The thermoplastic resin composition has a high heat resistance and impact resistance.
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2.发明授权Impact modifier for thermoplastic resin having good heat discoloration resistance and heat deterioration resistance, and thermoplastic resin composition comprising this impact modifier 失效具有良好耐热变色性和耐热劣化性的热塑性树脂的抗冲改性剂和包含该抗冲改性剂的热塑性树脂组合物
公开(公告)号：US5008313A
公开(公告)日：1991-04-16
申请号：US329256
申请日：1989-03-27
申请人： Kazuo Kishida , Kiyokazu Kitai , Masaaki Mohri
发明人： Kazuo Kishida , Kiyokazu Kitai , Masaaki Mohri
CPC分类号： C08J3/226 , C08K5/005 , C08J2451/00
摘要： An impact modifier for a thermoplastic resin is disclosed, which comprises (I) 100 parts by weight of a graft copolymer formed by graft-polymerizing (B) a monomer having a vinyl group in the molecule onto (A) a butadiene polymer and, incorporated therein, (II) 0.01 to 5 parts by weight of a thioether type heat stabilizer, (III) 0.01 to 5 parts by weight of a phosphite type heat stabilizer and (IV) 0.01 to 5 parts by weight of a phenol type heat stabilizer having a molecular eight of at least 500. A thermoplastic resin composition having this impact modifier incorporated therein exhibits a good heat discoloration resistance and heat deterioration resistance under high-temperature conditions, as well as an improved impact resistance.
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公开(公告)号：US5132362A
公开(公告)日：1992-07-21
申请号：US500462
申请日：1990-03-28
申请人： Kazuo Kishida , Kohji Matsumoto , Masaaki Mohri
发明人： Kazuo Kishida , Kohji Matsumoto , Masaaki Mohri
IPC分类号： C08L51/04 , C08F279/02 , C08L67/02 , C08L69/00 , C08L101/00
CPC分类号： C08F279/02 , C08L101/00 , C08L67/02 , C08L69/00
摘要： Disclosed is a thermoplastic resin composition of an enhanced impact strength comprising 100 parts by weight of a thermoplastic resin and 2 to 50 parts by weight of a graft copolymer (A) obtained by emulsion-graft-polymerizing a monomer mixture comprised of a major amount of an acrylic monomer and a minor amount of a monomer selected from aromatic vinyl monomers and vinyl cyanide monomers in the presence of 60 to 90% by weight (as solids), based on the weight of the graft copolymer (A), of a diene type rubber latex containing more than 50% by weight of a diene type rubber polymer having a weight average particle diameter of at least 0.3 .mu.m.
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