| 摘要 |
There is disclosed a method for terminating free radical initiated emulsion polymerizations which comprises adding to said free radical initiated emulsion polymerization systems at least one shortstopping agent selected from the group consisting of (A) amine salts of polyhydrosulfuric acids, and (B) mixtures of at least one amine salt of a polyhydrosulfuric acid and at least one compound selected from the group consisting of alkali metal salts of di-lower-alkyl dithiocarbamates; hydroxylamines; hydroxylamine salts; N,N-dialkylhydroxylamines and N,N'-dialkyl-N,N'-methylene bishydroxylamines.
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