When polymerizing olefinic monomers, such as vinyl halides, vinylidene halides, and vinylidene monomers having at least one terminal CH2 =C< grouping, and mixtures thereof, in the presence of said coating, {HEAD ~ polymer} build up on {TAIL ~ the inner surfaces} of the reaction vessel is substantially eliminated 
build up on
When polymerizing olefinic monomers , such as vinyl halides , vinylidene halides , and vinylidene monomers having at least one terminal CH2 = C < grouping , and mixtures thereof , in the presence of said coating , { HEAD ~ polymer } build up on { TAIL ~ the inner surfaces } of the reaction vessel is substantially eliminated
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