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    Plastic foam material composed of a polyolefin based resin composition and method for making same
    2.
    发明公开
    Plastic foam material composed of a polyolefin based resin composition and method for making same 失效
    Plastikschaum auf der Basis von Polyolefinharz und Verfahren zu seiner Herstellung

    公开(公告)号：EP0704476A1

    公开(公告)日：1996-04-03

    申请号：EP94115508.7

    申请日：1994-09-30

    申请人： SEKISUI CHEMICAL CO., LTD.

    发明人： Shibayama, Kouichi ,  Suzuki, Masao ,  Ogasa, Masao ,  Iuchi, Kenji

    IPC分类号： C08J9/10 ,  C08L23/10

    CPC分类号： C08J9/10 ,  C08J9/0061 ,  C08J2323/02 ,  C08J2323/12 ,  C08J2423/00 ,  C08J2433/00 ,  C08L23/06 ,  C08L23/12 ,  C08L23/14 ,  C08L2203/14 ,  C08L2312/00 ,  C08L2312/06 ,  C08L2666/06

    摘要： A plastic foam material composed of a polyolefin based resin composition, consists essentially of specified amounts of polypropylene based resins and polyethylene based resins, included from about 20 to about 65 weight percent of a cross linked portion. The cross linked portion consists of from about 55 to about 95 weight percent of a cross linked polypropylene and from about 5 to about 45 weight percent of cross linked polyethylene. The amount of cross-linkage can be determined by a xylene extraction technique. The plastic foam material may further include specified amounts of a cross-linking agent and specified amounts of an organic thermodecomposition foaming agent. The thermodecomposition foaming agent decomposes at sufficiently high temperatures to yield a plastic foam material, which exhibits superior adherence properties and fewer deformities of its surface exemplified by swelling, shrinkage and wrinkling of its surface. A method to produce the plastic foam material is also disclosed.

    摘要翻译： 由聚烯烃基树脂组合物组成的塑料泡沫材料基本上由特定量的聚丙烯基树脂和聚乙烯基树脂组成，包括约20至约65重量％的交联部分。 交联部分由约55至约95重量％的交联聚丙烯和约5至约45重量％的交联聚乙烯组成。 交联量可以通过二甲苯萃取技术测定。 塑料泡沫材料还可以包括指定量的交联剂和指定量的有机热分解发泡剂。 热分解发泡剂在足够高的温度下分解以产生塑料泡沫材料，其表现出优异的粘附性能和较少的表面形状，例如其表面的膨胀，收缩和起皱。 还公开了一种生产塑料泡沫材料的方法。