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1. 发明授权

US06660806B1 Rubber-modified styrenic resin composition and molded article thereof 失效
标题翻译：橡胶改性苯乙烯树脂组合物及其成型品
公开(公告)号：US06660806B1
公开(公告)日：2003-12-09
申请号：US09458959
申请日：1999-12-10
申请人： Shuji Yoshimi , Hayato Kihara , Takahiro Ishii
发明人： Shuji Yoshimi , Hayato Kihara , Takahiro Ishii
IPC分类号： C08F27901
CPC分类号： C08L51/04 , C08L23/08 , C08L83/04 , C08L2666/04 , C08L2666/02
摘要： A rubber-modified styrenic resin composition comprising (A) 100 wt. parts of a rubber-modified styrenic resin which contains 10 to 35 wt. % of soft component particles having an average particle size of 0.1 to 0.5 &mgr;m, where said soft component particles have a single occlusion structure comprising a core part which consists of a single continuous phase of a styrenic resin and a shell part which comprises a rubber polymer and occludes said core part, and (B) 0.1 to 10 wt. parts of a polymer having a solubility parameter (SP) of 8.45 to 8.70 and having no aromatic vinyl compound unit therein. This composition has excellent plane impact strength and gloss properties, as well as moldability and other physical properties, and satisfies properties required for exterior materials, wrapping materials and molded foam articles.
摘要翻译：橡胶改性苯乙烯树脂组合物，其包含（A）100重量％橡胶改性苯乙烯树脂的一部分，其含有10〜35重量％％的平均粒径为0.1〜0.5μm的软组分颗粒，其中所述软组分颗粒具有包含由单一连续相的苯乙烯树脂组成的核心部分和包含橡胶聚合物的壳部分的单一闭塞结构并封闭所述核心部分，（B）0.1〜10wt。部分溶解度参数（SP）为8.45〜8.70的聚合物，其中没有芳族乙烯基化合物单元。该组合物具有优异的平面冲击强度和光泽性能，以及成型性等物理性能，并且满足外部材料，包装材料和模塑泡沫制品所需的性能。

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