Anti-clumping agents for expandable vinylaromatic-acrylonitrile
polymeric materials
    1.
    发明授权
    Anti-clumping agents for expandable vinylaromatic-acrylonitrile polymeric materials 失效
    用于可膨胀乙烯基芳香族 - 丙烯腈聚合物材料的抗凝结剂

    公开(公告)号:US5006565A

    公开(公告)日:1991-04-09

    申请号:US516020

    申请日:1990-04-27

    IPC分类号: C08J9/224

    CPC分类号: C08J9/224 C08J2325/00

    摘要: The clumping together of expandable vinylaromatic-acrylonitrile copolymer particles during expansion of such particles is substantially completely reduced by coating the unexpanded virgin particles with from 0.2 to 1.5 weight percent, based on weight of expandable copolymer particles, of particulate magnesium oxide.

    摘要翻译: 通过以0.2〜1.5重量%的可膨胀共聚物颗粒的重量的颗粒状氧化镁涂覆未膨胀的原始颗粒,基本上完全降低了在这种颗粒膨胀期间可膨胀乙烯基芳族 - 丙烯腈共聚物颗粒的聚集在一起。