Process for producing a polymer using a quinone compound condensation product polymer scale preventive agent
申请(专利)号：
US19930159250
申请日期：
1993-11-30
公开/公告号：
US5378774A
公开/公告日期：
1995-01-03
申请(专利权)人：
SHIN-ETSU CHEMICAL CO., LTD.
被引量：
摘要：
A polymer scale preventive agent for use in polymerization of a monomer having an ethylenically unsaturated double bond, comprising an alkaline solution containing (A) a condensation product having a molecular weight of 400 to 50,000 obtained by condensing a quinone compound. This agent is applied to the inner wall surfaces of a polymerization vessel, and dried to form a coating. Such a vessel is effective in preventing polymer scale deposition, not only on the areas located in the liquid-phase region but also on the areas around the interface between the gas and liquid phases in the vessel, and is useful in producing a polymer that shows few fish eyes and good whiteness when formed into sheets or the like.
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