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    • 3. 发明授权
    • Vinyl chloride copolymers
    • VINYL氯化物共聚物
    • US3666720A
    • 1972-05-30
    • US3666720D
    • 1970-08-11
    • ICI LTD
    • NIELD ERICROSE JOHN BREWSTER
    • C08F22/36C08F214/06C08G20/00
    • C08F214/06C08F22/36
    • Improved thermoplastic materials are provided which are polymeric products comprising from 99 to 1 percent by weight of vinyl chloride units, from 1 to 90 percent by weight of N-aryl maleimide units and from 0 to 49 percent by weight of units derived from at least one other copolymerisable ethylenically unsaturated compound. Very interesting materials are obtained when the said compound comprises not more than 20 percent by weight of the polymeric product. The preferred products contain from 60 to 99 percent by weight of vinyl chloride residues, from 1 to 40 percent by weight of N-aryl maleimide residues and 0 to 20 percent by weight of residues derived from the other monoethylenically unsaturated compound.
    • 提供了改进的热塑性材料,其是包含99至1重量%的氯乙烯单元,1至90重量%的N-芳基马来酰亚胺单元和0至49重量%的衍生自至少一种 其他可共聚烯键式不饱和化合物。 当所述化合物包含不超过聚合产物的20重量%时,获得非常有趣的材料。 优选的产品含有60至99重量%的氯乙烯残基,1至40重量%的N-芳基马来酰亚胺残基和0至20重量%的衍生自其它单烯属不饱和化合物的残基。