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    • 3. 发明授权
    • Process for the production of fine-cell polyolefin foams
    • 用于生产细胞聚烯烃泡沫的方法
    • US3966651A
    • 1976-06-29
    • US513126
    • 1974-10-08
    • Frank Gerald KleinerKarl Heinz Muller
    • Frank Gerald KleinerKarl Heinz Muller
    • C08J9/06C08J9/10
    • C08J9/06C08J2323/02Y10S521/91
    • A process for the production of a fine-celled foam from a mixture of a polyolefin, a peroxide capable of peroxidically cross-linking the polyolefin and a principal blowing agent having a decomposition point or decomposition range above about 190.degree.C, wherein a further blowing agent, an auxiliary blowing agent, having a decomposition range of from 130.degree. to about 190.degree.C is added in a quantity of from 0.1 to 1.5 percent by weight, based on said principal blowing agent, to said mixture, the mixture thus obtained is worked up under such conditions that neither cross-linking nor appreciable foaming takes place to a moulding, which is subsequently, cross-linked and foamed by heating to temperatures above 190.degree.C.
    • 一种从聚烯烃,能够使聚烯烃过氧化交联的过氧化物和分解点或分解范围高于约190℃的主发泡剂的混合物生产细胞泡沫的方法,其中进一步吹制 将所述主发泡剂的0.1〜1.5重量%的分解范围为130〜190℃的辅助发泡剂加入到所述混合物中,得到的混合物为 在这样的条件下进行处理,即,不会发生交联,也不会发生明显的起泡发生在随后通过加热至高于190℃的温度交联并发泡的模制品。