Propylene copolymer foams
    2.
    发明授权
    Propylene copolymer foams 有权
    丙烯共聚物泡沫

    公开(公告)号:US06800669B2

    公开(公告)日:2004-10-05

    申请号:US10021774

    申请日:2001-12-12

    IPC分类号: C08J900

    摘要: A foam comprising a propylene copolymer material comprising at least 50 weight percent of units derived from propylene, based on the total propylene copolymer material, and units derived from ethylenically unsaturated comonomers and having a melt flow rate in the range of from 0.5 to 8 g/10 min, a melt strength of at least 5 cN, and a melt drawability of at least 20 mm/s, process for making a foam using such a propylene copolymer material, process for making a foam in the form of thermoplastic foam beads using such a propylene copolymer material, and an expandable composition comprising such a propylene copolymer material.

    摘要翻译: 一种包含丙烯共聚物材料的泡沫体,其包含至少50重量%的衍生自丙烯的单元,基于丙烯共聚物材料总量,衍生自烯键式不饱和共聚单体的单元,其熔体流动速率范围为0.5-8g / 10分钟,至少5cN的熔体强度和至少20mm / s的熔体拉伸性,使用这种丙烯共聚物材料制造泡沫的方法,使用这种丙烯共聚物材料制造泡沫塑料泡沫形式的泡沫的方法 丙烯共聚物材料和包含这种丙烯共聚物材料的可发性组合物。