METHOD FOR PRODUCING A FUNCTIONAL VINYL HALIDE POLYMER
    1.
    发明申请
    METHOD FOR PRODUCING A FUNCTIONAL VINYL HALIDE POLYMER 审中-公开
    制备功能性乙烯基卤化物聚合物的方法

    公开(公告)号:US20090143547A1

    公开(公告)日:2009-06-04

    申请号:US11947646

    申请日:2007-11-29

    IPC分类号: C08F2/04

    CPC分类号: C08F214/06

    摘要: This invention offers a functional vinyl halide polymer that has excellent processing properties for the end-user processing without any extra processing aid. This functional vinyl halide polymer has good fusion, lubrication and melting strength in processing. The finished products show a good characterization of high transparence, low air-mark and low flow-mark. The functional vinyl halide polymer is produced by a solution, bulk or suspension polymerization. Vinyl halide or a monomer mixture comprising mainly vinyl halide is polymerized in an aqueous medium in the presence of an acrylic copolymer latex/powder to obtain the functional vinyl halide polymer. The functional vinyl halide polymer manufacturing process mainly comprises the copolymerization or graft-polymerization of: (A) 90.0 wt %˜99.9 wt % based on the total composition of the vinyl halide or the monomer mixture, and (B) 10.0 wt %˜0.1 wt % based on the total composition of the alkyl acrylate monomers or the acrylic polymer latex/powder, wherein the former can be added stepwisely or all in one time and the later can be charged continuously into reactor during polymerization or charged into a reactor before polymerization.

    摘要翻译: 本发明提供了一种功能性乙烯基卤化物聚合物,其具有优异的加工性能,用于最终用户加工而没有任何额外的加工助 该功能性卤代乙烯聚合物在加工中具有良好的熔融,润滑和熔融强度。 成品表现出高透明度,低气标和低流动痕迹的良好表征。 功能性乙烯基卤化物聚合物通过溶液,本体或悬浮聚合制备。 主要是乙烯基卤化物的乙烯基卤化物或单体混合物在水性介质中在丙烯酸共聚物胶乳/粉末存在下聚合,得到功能性乙烯基卤聚合物。 功能性卤代乙烯聚合物的制备方法主要包括:(A)基于乙烯基卤化物或单体混合物的总组成为90.0重量%〜99.9重量%的共聚或接枝聚合,(B)10.0重量%〜0.1 基于丙烯酸烷基酯单体或丙烯酸聚合物胶乳/粉末的总组成的重量%,其中前者可以一次性地逐步或全部添加,并且随后可以在聚合期间连续地加入到反应器中或在聚合之前装入反应器 。