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    • 3. 发明授权
    • Solution modification of polyolefins
    • 聚烯烃的溶液改性
    • US06262182B1
    • 2001-07-17
    • US09453892
    • 2000-03-14
    • Robert Lee EaganLisa Kay Templeton
    • Robert Lee EaganLisa Kay Templeton
    • C08F25500
    • C08F255/02C08F255/04C08F222/06
    • The invention enables solution modification of a polyolefin with an unsaturated anhydride, unsaturated acid, or unsaturated ester, with high efficiency without the formation of undesirable impurities resulting from the competing reaction of the solvent with the unsaturated anhydride, unsaturated acid, or unsaturated ester. The process entails combining a polyolefin; a solvent; an unsaturated anhydride, unsaturated acid or unsaturated ester and a free-radical initiator to form a reaction mixture. The solvent is selected from the group consisting of substituted aromatic solvents which do not contain benzylic hydrogens and mixtures thereof. This reaction mixture is reacted under suitable conditions to produce a modified polyolefin.
    • 本发明可以高效率地使用不饱和酸酐,不饱和酸或不饱和酯进行聚烯烃的溶液改性,而不会由于溶剂与不饱和酸酐,不饱和酸或不饱和酯的竞争反应而产生不希望的杂质。 该方法需要组合聚烯烃; 溶剂; 不饱和酸酐,不饱和酸或不饱和酯和自由基引发剂以形成反应混合物。 溶剂选自不含苄基氢的取代芳族溶剂及其混合物。 该反应混合物在合适的条件下反应生成改性聚烯烃。