| abstract |
The present invention is about a kind of method preparing polymer, and the method includes the dispersion phase polymerization procedure (E1) under reactive stabilizer exists, and wherein makes the following contact in aqueous phase :-at least one ethylenically unsaturated monomer;-at least one free radical source; With-reactive stabilizer, this reactivity stabilizer package containing polymer chain, this polymer chain include monomeric unit (N-vinyl lactam) and thiocarbonyl group methylthio group-S (C=S)-. |