Polymerization reaction.), which drives the drum, and a method for the prevention of approaches in polymerizations

摘要

1491115 Coated polymerization vessels B F GOODRICH CO 18 Sept 1975 [18 Sept 1974 8 April 1975 26 Aug 1975] 38309/75 Heading C3P [Also in Division B1] The build-up of polymer on the internal surfaces of a polymerization vessel is substantially reduced by coating the surfaces with a straight chain or branched polyaromatic amine of molecular weight greater than 250 and of specified structure (see Division B1). Olefinic monomers, e.g. vinyl chloride, are polymerized in an aqueous medium in contact with a surface having water-insoluble coating of, for example, a resinous polyaromatic amine of structure