Thermoplastic elastomer powder composition for powder molding, powder
molding method using the same and molded article thereof
    2.
    发明授权
    Thermoplastic elastomer powder composition for powder molding, powder molding method using the same and molded article thereof 失效
    用于粉末成型的热塑性弹性体粉末组合物,使用其的粉末成型方法及其模制品

    公开(公告)号:US5585431A

    公开(公告)日:1996-12-17

    申请号:US957187

    申请日:1992-10-07

    摘要: A thermoplastic elastomer powder composition for powder molding, comprising 100 parts by weight of the following thermoplastic elastomer powder (A) and 0.05 to 20 parts by weight of a fine powder having an average particle diameter of 30 .mu.m or less:(A) (i) a powder of a thermoplastic elastomer comprising a composition composed of an ethylene-.alpha.-olefin copolymer rubber and a polyolefin resin or (ii) a powder of a thermoplastic elastomer comprising a partially crosslinked composition composed of an ethylene-.alpha.-olefin copolymer rubber and a polyolefin resin, the thermoplastic elastomer powder having a complex dynamic viscosity .eta.*(1), as measured at a frequency of 1 radian/sec and at 250.degree. C., of 1.5.times.10.sup.5 poise or less and a Newtonian viscosity index n, calculated from the following formula by using the above-mentioned complex dynamic viscosity .eta.*(1) and the complex dynamic viscosity .eta.*(100) measured at a frequency of 100 radian/sec of 0.67 or less:n=(log.eta.*(1)-log.eta.*(100))/2.

    摘要翻译: 一种用于粉末成型的热塑性弹性体粉末组合物,包含100重量份的以下热塑性弹性体粉末(A)和0.05〜20重量份的平均粒径为30μm以下的细粉末:(A)( i)包含由乙烯-α-烯烃共聚物橡胶和聚烯烃树脂组成的组合物的热塑性弹性体粉末,或(ii)包含由乙烯-α-烯烃共聚物橡胶组成的部分交联组合物的热塑性弹性体粉末 和聚烯烃树脂,以1弧度/秒和250℃的频率测定的1.5×10 5泊或更小的牛顿粘度指数n,具有复动态粘度eta *(1)的热塑性弹性体粉末, 通过使用上述复数动态粘度eta *(1)和在100弧度/秒的频率为0.67以下测定的复数动态粘度eta *(100)由下式计算:n =(log eta *( 1)-l og eta *(100))/ 2。

    Thermoplastic elastomer composition, covering materials for industrial
parts comprising the composition and laminates comprising the covering
materials
    9.
    发明授权
    Thermoplastic elastomer composition, covering materials for industrial parts comprising the composition and laminates comprising the covering materials 失效
    热塑性弹性体组合物,用于包含该组合物的工业部件的覆盖材料和包括覆盖材料的层压材料

    公开(公告)号:US5407991A

    公开(公告)日:1995-04-18

    申请号:US141668

    申请日:1993-10-26

    CPC分类号: C08L23/16 B32B27/08

    摘要: The invention provides an olefinic thermoplastic elastomer composition which is excellent in flexibility, processability into sheet and appearance of the resulting sheet and which is able to substitute for flexible polyvinyl chloride. The invention further provides a covering material for industrial parts comprising said composition and a laminate comprising said covering material.The composition comprises a partially crosslinked thermoplastic elastomer I containing an oil-extended olefinic copolymer rubber comprising an olefinic copolymer rubber having a Mooney viscosity of 200-350 or the thermoplastic elastomer I and a partially crosslinked thermoplastic elastomer II containing an oil-extended olefinic copolymer rubber comprising an olefinic copolymer rubber having a Mooney viscosity of 120 or higher and lower than 200 and the composition has a specific viscoelastic characteristics.

    摘要翻译: 本发明提供了一种烯烃类热塑性弹性体组合物,该组合物的柔软性,加工性能优于片材,并且得到的片材外观可以替代柔性聚氯乙烯。 本发明还提供了一种用于包含所述组合物的工业部件的覆盖材料和包括所述覆盖材料的层压体。 组合物包含部分交联的热塑性弹性体I,其含有油扩展的烯烃共聚物橡胶,其包含门尼粘度为200-350的烯烃共聚物橡胶或热塑性弹性体I和部分交联的热塑性弹性体II,其含有油延伸的烯烃共聚物橡胶 包含门尼粘度为120以上且低于200的烯烃共聚物橡胶,该组合物具有特定的粘弹性特性。