Hydrogenated vinyl aromatic polymer foams
    3.
    发明授权
    Hydrogenated vinyl aromatic polymer foams 有权
    氢化乙烯基芳族聚合物泡沫

    公开(公告)号:US06310112B1

    公开(公告)日:2001-10-30

    申请号:US09713408

    申请日:2000-11-15

    IPC分类号: C08J900

    摘要: This invention provides a thermoplastic polymer foam having a density of up to 800 kg/m3. The foam is made from a hydrogenated vinyl aromatic polymer that contains pendant cycloaliphatic groups. This polymer is conveniently made by hydrogenating a poly(vinyl aromatic) polymer such as polystyrene or a polystyrene-butadiene block copolymer. A suitable blowing agent is a mixture comprising (a) one or more fluorine-containing carbon compounds and (b) carbon dioxide, nitrogen, an alcohol having from 1 to 4 carbon atoms, a linear or cyclic hydrocarbon having from 1 to 6 carbon atoms, a ketone, an alkyl ether, an alkyl halide, water or a mixture thereof.

    摘要翻译: 本发明提供一种密度高达800kg / m 3的热塑性聚合物泡沫体。 泡沫由包含侧链脂环族基团的氢化乙烯基芳族聚合物制成。 该聚合物方便地通过聚合聚(乙烯基芳族)聚合物如聚苯乙烯或聚苯乙烯 - 丁二烯嵌段共聚物来制备。 合适的发泡剂是包含(a)一种或多种含氟碳化合物和(b)二氧化碳,氮,具有1至4个碳原子的醇,具有1至6个碳原子的直链或环状烃的混合物 ,酮,烷基醚,烷基卤,水或其混合物。

    LOW RELATIVE CRYSTALLINITY DIE DRAWING PROCESS FOR A CAVITATED FILLED ORIENTED POLYMER COMPOSITION
    6.
    发明申请
    LOW RELATIVE CRYSTALLINITY DIE DRAWING PROCESS FOR A CAVITATED FILLED ORIENTED POLYMER COMPOSITION 审中-公开
    用于密封填充的聚合物组合物的低相对结晶度绘图方法

    公开(公告)号:US20100072660A1

    公开(公告)日:2010-03-25

    申请号:US12527511

    申请日:2008-03-13

    申请人: Felix Achille

    发明人: Felix Achille

    IPC分类号: B29C47/88

    摘要: Drawing a filled polymer composition through a drawing die at a critical drawing temperature that is below the polymer composition's melting temperature yet above the polymer composition's crystallization temperature allows production of cavitated filled oriented polymer compositions by drawing from a low crystalline polymer state.

    摘要翻译: 在低于聚合物组合物的熔融温度但高于聚合物组合物的结晶温度的临界拉伸温度下通过拉伸模头拉伸填充的聚合物组合物允许通过从低结晶聚合物状态拉伸而制备空化填充的取向聚合物组合物。