METHOD FOR PREPARING VINYL CHLORIDE-BASED POLYMER, VINYL CHLORIDE-BASED POLYMER, AND VINYL CHLORIDE-BASED POLYMER COMPOSITION
申请人:LG Chem, Ltd.
公开号:EP3357942A1
公开(公告)日:2018-08-08
The present invention relates to a method of preparing a vinyl chloride-based polymer, which comprises bulk-polymerizing a vinyl chloride-based monomer in the presence of an initiator (Step 1); and preparing a vinyl chloride-based polymer after the bulk polymerization (Step 2), wherein a phosphite is added in the step 1, a vinyl chloride-based polymer, and a vinyl chloride-based polymer composition comprising the vinyl chloride-based polymer.
本发明涉及一种氯乙烯基聚合物的制备方法,该方法包括在引发剂存在下对氯乙烯基单体进行大体积聚合(步骤 1);以及在大体积聚合后制备氯乙烯基聚合物(步骤 2),其中在步骤 1 中添加亚磷酸酯、氯乙烯基聚合物以及包含氯乙烯基聚合物的氯乙烯基聚合物组合物。