首页>
外国专利>
METHOD FOR PRODUCING POST CHLORINATED POLYVINYL CHLORIDE RESIN EXCELLENT IN PROCESSABILITY AND POST CHLORINATED POLYVINYL CHLORIDE RESIN COMPOSITION USED FOR PIPING
METHOD FOR PRODUCING POST CHLORINATED POLYVINYL CHLORIDE RESIN EXCELLENT IN PROCESSABILITY AND POST CHLORINATED POLYVINYL CHLORIDE RESIN COMPOSITION USED FOR PIPING
展开▼
机译:制备工艺上优异的氯化后聚氯乙烯树脂的方法和用于管道的氯化后聚氯乙烯组合物
展开▼
页面导航
摘要
著录项
相似文献
摘要
PROBLEM TO BE SOLVED: To provide a post chlorinated polyvinyl chloride resin improved in heat stability thereof and greatly improved in die pressure and extrusion torque. ;SOLUTION: The post chlorinated polyvinyl chloride resin is prepared by chlorinating in an aqueous suspension a polyvinyl chloride resin having an average degree of polymerization of 800-1,300 using as a suspension agent polyethylene oxide alone, polyethylene oxide and a water-soluble cellulose ether or polyethylene oxide and a partially saponified polyvinyl acetate to a degree of chlorination of 67.0-68.0.;COPYRIGHT: (C)2001,JPO
展开▼