Antistatic expandable styrene polymers in bead form
    13.
    发明授权
    Antistatic expandable styrene polymers in bead form 失效
    珠粒中抗静电可膨胀的苯乙烯聚合物

    公开(公告)号:US5110835A

    公开(公告)日:1992-05-05

    申请号:US740351

    申请日:1991-08-05

    IPC分类号: C08J9/224

    CPC分类号: C08J9/224 C08J2325/00

    摘要: An antistatic expandable styrene polymer in bead form, containinga) a styrene polymer,b) from 0.5 to 3% by weight, based on a), of a coating containingb1) from 10 to 70% by weight of finely divided silica;b2) from 20 to 80% by weight of a hydroxy-containing quaternary ammonium salt and, if desired, p1 b3) from 0.05 to 20% by weight of a conventional coupling agent and/orc) from 1 to 8% by weight, based on a), of a C.sub.3 to C.sub.6 hydrocarbon as blowing agent,and, if desired,d) conventional additives in effective amounts.

    摘要翻译: 一种珠粒形式的抗静电可发性苯乙烯聚合物,其包含a)苯乙烯聚合物,b)基于a)0.5-3重量%的包含b1)10-70重量%细碎二氧化硅的涂层; b2)20至80重量%的含羟基季铵盐,如果需要,p1 b3)为0.05至20重量%的常规偶联剂和/或c)1至8重量% 基于a),C3至C6烃作为发泡剂,并且如果需要,d)有效量的常规添加剂。