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    • 1. 发明授权
    • Modified polyolefin particles and process for preparation thereof
    • 改性聚烯烃颗粒及其制备方法
    • US5523358A
    • 1996-06-04
    • US235419
    • 1994-04-22
    • Toshiyuki HiroseHajime InagakiMamoru KiokaAkinori ToyotaNorio Kashiwa
    • Toshiyuki HiroseHajime InagakiMamoru KiokaAkinori ToyotaNorio Kashiwa
    • C08F255/00C08J3/09C08J3/11C08L23/26
    • C08F255/00
    • A process for preparation of modified polyolefin particles which comprises contacting and reacting(A) 100 wt. parts of polyolefin particles with(B) 0.01 to 50 wt. parts of at least one ethylenic unsaturated compound selected from the group consisting of carboxyl group-containing ethylenic unsaturated compounds or their carboxylic anhydrides or their carboxylic acid derivatives, hydroxyl group-containing ethylenic unsaturated compounds, amino-group-containing ethylenic unsaturated compounds, and glycidyl group-containing ethylenic unsaturated compounds,in the presence of(C) more than 10 wt. parts to not more than 50 wt. parts of a medium of a liquid state at ordinary temperature whose solubility in water at 20.degree. C. is 0.5 wt. % or less and which is capable of swelling the polyolefin, and(D) 0.01 to 10 wt. parts of a radical initiator; andmodified polyolefin particles prepared by the aforesaid process.
    • 一种制备改性聚烯烃颗粒的方法,其包括使(A)100重量% (B)0.01〜50wt。 至少一种选自含羧基的烯属不饱和化合物或其羧酸酐或其羧酸衍生物,含羟基的烯属不饱和化合物,含氨基的烯属不饱和化合物和缩水甘油基中的至少一种烯属不饱和化合物 在(C)大于10重量%存在下,含有基团的烯属不饱和化合物。 部分至不超过50wt。 常温下液态介质的一部分在20℃下在水中的溶解度为0.5wt。 %以下,能够使聚烯烃溶胀,(D)0.01〜10重量% 部分自由基引发剂; 和通过上述方法制备的改性聚烯烃颗粒。