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52. 发明授权

US5631323A Composition of styrene-acrylonitrile copolymer matrix with particles of graft copolymer and crosslinked copolymer 失效
标题翻译：苯乙烯 - 丙烯腈共聚物基体与接枝共聚物和交联共聚物颗粒的组成
公开(公告)号：US5631323A
公开(公告)日：1997-05-20
申请号：US567056
申请日：1995-12-04
申请人： Norbert Guntherberg , Ekkehard Jahns , Wolfgang Fischer , Graham E. McKee , Bernhard Rosenau
发明人： Norbert Guntherberg , Ekkehard Jahns , Wolfgang Fischer , Graham E. McKee , Bernhard Rosenau
IPC分类号： C08F2/18 , C08F2/20 , C08F212/06 , C08F212/10 , C08L25/12 , C08L51/00 , C08L51/04 , C08L55/02 , C08L35/04
CPC分类号： C08L25/12 , C08F212/10 , C08L55/02 , C08L51/04
摘要： Thermoplastic molding materials preparedA) from 35 to 99.5% by weight of a matrix copolymer (A) ofa.sub.1) from 50 to 95% by weight of styrene and/or .alpha.-methylstyrene,a.sub.2) from 5 to 50% by weight of acrylonitrile anda.sub.3) from 0 to 20% by weight of further comonomersB) from 0 to 50% by weight of a particulate graft copolymer (B) which is insoluble in (A), has a median particle diameter of from 0.03 to 1 .mu.m and preparedb.sub.1) from 30 to 80% by weight of a core comprising an elastomeric polymer having a glass transition temperature of less than -10.degree. C. andb.sub.2) from 20 to 70% by weight of a graft shell comprising a polymer which is compatible or partly compatible with (A)andC) from 0.5 to 30% by weight of a particulate crosslinked copolymer (C) which is insoluble in (A), has a median particle diameter of from 0.5 to 50 .mu.m and comprisesc.sub.1) from 50 to 89.95% by weight of styrene and/or .alpha.-methylstyrene,c.sub.2) from 10 to 50% by weight of acrylonitrile,c.sub.3) from 0.05 to 5% by weight of a polyfunctional, crosslinking monomer,c.sub.4) from 0 to 10% by weight of a monomer which contains acidic or basic groups andc.sub.5) from 0 to 20% by weight of further comonomers.
摘要翻译：制备的热塑性成型材料A）35至99.5重量％的a1）的基质共聚物（A），50-95重量％的苯乙烯和/或α-甲基苯乙烯，a2）5-50重量％的丙烯腈和a3）0至20重量％的另外的共聚单体B）0至50重量％的不溶于（A）的颗粒接枝共聚物（B），其中值粒径为0.03至1μm 并且制备b1）30至80重量％的芯，其包含玻璃化转变温度低于-10℃的弹性体聚合物，和b2）20至70重量％的包含聚合物的接枝壳，所述聚合物是与（A）和C）相容或部分相容的0.5至30重量％的不溶于（A）的颗粒状交联共聚物（C），其中值粒径为0.5至50μm，并包含c1）苯乙烯和/或α-甲基苯乙烯的50至89.95重量％，c2）10至50重量％的丙烯腈，c 3）0.05至5重量％ t的多官能交联单体，c4）0至10重量％的含酸性或碱性基团的单体，和c 5）0至20重量％的其它共聚单体。

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