Stabilized polyvinyl chloride resin composition

专利名称：Stabilized polyvinyl chloride resin

composition

发明人：Shigeo Miyata,Tsutomu Nosu申请号：US07/084842申请日：19870813公开号：US04751261A公开日：19880614

摘要：Magnesium oxide is incorporated into a polyvinyl chloride resin compositioncomprising a polyvinyl chloride, a hydrotalcite, a &bgr; - diketone compound and anorganic acid salt of zinc or a polyvinyl chloride resin composition comprising a polyvinylchloride, a hydrotalcite and an organic tin compound. Bubbling as well as discolorationcan be prevented in a molded article prepared from the polyvinyl chloride resin

composition. Magnesium oxide having a specific surface area of at least 50 m.sup.2 /g andan average secondary particle size smaller than 5 &mgr;m is preferably used.

申请人：KYOWA CHEMICAL INDUSTRY CO., LTD.

代理机构：Sherman & Shalloway

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