| abstract |
PURPOSE: A vinyl chloride copolymer capable of forming moldings having a delicate, mat surface and excellent in heat stability, prepared by copolymerizing vinyl chloride with a bisphenol A-modified di(meth)acrylate. n CONSTITUTION: 100pts.wt. vinyl chloride (if necessary, together with an equal or smaller amount of other copolymerizable monomers, e.g., vinyl acetate) is copolymerized with about 0.001W15pts.wt. bisphenol A-modified di(meth)acrylate of the formula, wherein X is H, CH 3 or OH and n is 1W80 (e.g., "Biscoat #700 ", a product of Osaka Yuki Kagaku Kogyo Co., Ltd.) at about 20W80°C in the presence of a polymerization initiator (e.g., lauryl peroxide). n COPYRIGHT: (C)1982,JPO&Japio |