HIGHLY FUNCTIONAL POLYMERIZING ADDITIVE AND METHOD FOR PREPARING A VINYL CHLORIDE-BASED SEED USING SAME

摘要

The present invention relates to a method for preparing a vinyl chloride-based seed by adding a vinyl chloride monomer, an emulsifier, and a polymerization initiator into an aqueous medium, and then homogenizing a liquid drop using a rotor-stator-type homogenizer pump. The method of the present invention can provide a more stable latex by minimizing residual monomers by performing polymerization after adding an aliphatic higher alcohol serving as a monomer absorption enhancer and then performing homogenization, and additionally, can improve productivity and reduce the scale of production by increasing the efficiency of monomer consumption during polymerization. Further, by applying the vinyl chloride-based seed to a seed emulsion polymerization of a vinyl chloride-based resin, polymer reactivity is improved to effectively reduce the reaction time of the seed emulsion polymerization, enabling the sizes of small and large particles to be controlled to thereby adjust the particle diameter of the vinyl chloride resin.