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    • 31. 发明授权
    • Antistatic styrene polymer compositions
    • 抗静电苯乙烯聚合物组合物
    • US06825270B1
    • 2004-11-30
    • US09806710
    • 2001-06-07
    • Christophe Lacroix
    • Christophe Lacroix
    • C08L7700
    • C08L25/06C08L23/08C08L35/06C08L51/00C08L77/12C08L2666/02
    • A composition and articles, e.g. computer casings comprising, per 100 parts by weight: 99 to 60 parts of a styrene polymer (A), 1 to 40 parts of (B)+(C), (B) being a copolymer containing polyamide blocks and polyether blocks comprising essentially ethylene oxide units —(C2H4—O)—, (C) being a compatibilizer chosen from (C1) low-mass copolymers of styrene and of an unsaturated carboxylic acid anhydride, (C2) copolymers of ethylene and of an unsaturated carboxylic acid anhydride, (C3) copolymers of ethylene and of an unsaturated epoxy, (C4) block copolymers (C4) SBS or SIS grafted by an unsaturated carboxylic acid or an unsaturated carboxylic acid anhydride and mixtures thereof, the weight ratio (B)/(C) being between 2 and 10.
    • 组合物和制品,例如 计算机外壳,每100份重量:99至60份苯乙烯聚合物(A),1至40份(B)+(C),(B)为含聚酰胺嵌段和聚醚嵌段的共聚物, 氧化物单元 - (C 2 H 4 O) - ,(C)是选自(C1)苯乙烯和不饱和羧酸酐的低质量共聚物的增容剂,(C2)乙烯和不饱和羧酸酐的共聚物( C3)不饱和环氧树脂的共聚物,(C4)嵌段共聚物(C4)通过不饱和羧酸或不饱和羧酸酐及其混合物接枝的SBS或SIS,其重量比(B)/(C)在 2和10。