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RELEASING AGENT FOR MOLDED ARTICLE OF SYNTHETIC RESIN IN MOLD AND METHOD FOR PROVIDING RELEASABILITY TO MOLDED ARTICLE OF SYNTHETIC RESIN IN MOLD
RELEASING AGENT FOR MOLDED ARTICLE OF SYNTHETIC RESIN IN MOLD AND METHOD FOR PROVIDING RELEASABILITY TO MOLDED ARTICLE OF SYNTHETIC RESIN IN MOLD
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机译:模具中的合成树脂模制件的释放剂和提供模具中的合成树脂模制件的可释放性的方法
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摘要
PURPOSE: To obtain a releasing agent for giving excellent releasability to molded articles of synthetic resin in molds, comprising a polysiloxane-polyvinyl graft copolymer consisting essentially of specific two kinds of siloxane units. ;CONSTITUTION: The objective releasing agent comprises a polysiloxane-polyvinyl graft copolymer consisting essentially of a siloxane unit of formula I and a siloxane unit of formula II [R1 to R3 are hydrocarbon containing carbon atom directly bonded to silicon atom, having no radical polymerizability; A is a bifunctional organic group containing carbon atom directly bonded to silicon atom and linked to B (vinyl polymer block)].;COPYRIGHT: (C)1993,JPO&Japio
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