Method for the preparation of polymer foams
    1.
    发明授权
    Method for the preparation of polymer foams 失效
    制备聚合物泡沫的方法

    公开(公告)号:US4314035A

    公开(公告)日:1982-02-02

    申请号:US179864

    申请日:1980-08-20

    IPC分类号: C08J9/00 C08J9/02

    摘要: Foamable copolymers and copolymer mixtures comprising 35% to 98% by weight ethylene, 1% to 30% by weight vinyl alcohol, 1% to 30% by weight acrylic acid esters of secondary or tertiary alcohols, and 0 to 5% by weight vinyl ester are disclosed. All percentages are based upon the total weight of the copolymer or mixture. Methods of foaming such materials, foamed materials made therefrom, and methods of preparation thereof are also disclosed.

    摘要翻译: 包含35重量%至98重量%乙烯,1重量%至30重量%乙烯醇,1重量%至30重量%的仲醇或叔醇的丙烯酸酯和0至5重量%乙烯基酯的可发泡共聚物和共聚物混合物 被披露。 所有百分数都是基于共聚物或混合物的总重量。 还公开了这种材料的发泡方法,由其制成的泡沫材料及其制备方法。