METHOD FOR PRODUCING SYNTHETIC RESIN EMULSION, POLYMER CEMENT COMPOSITION USING SYNTHETIC RESIN EMULSION OBTAINED BY PRODUCTION METHOD, AND COATED FILM WATERPROOF MATERIAL OBTAINED BY USING THE POLYMER CEMENT COMPOSITION

摘要

PROBLEM TO BE SOLVED: To provide a method for producing a synthetic resin emulsion capable of obtaining a cured coating film which is excellent in water resistance, is excellent balance between a strength and elongation, and prevents elution of a surface active agent.;SOLUTION: In a method for producing a synthetic resin emulsion obtained by subjecting a monomer component [I] to multistage emulsion polymerization, a reactive surface active agent containing an anionic type reactive surface active agent and a nonionic type reactive surface active agent is used as an emulsifier, an amount of the reactive surface active agent to be used is 4 pts.wt. or less with respect to 100 pts.wt. of the monomer component [I], a content ratio (weight ratio) of the anionic type reactive surface active agent and the nonionic type reactive surface active agent is 55/45 to 90/10, and an amount of the nonionic type reactive surface active agent to be used in polymerization of the last stage is 60 wt.% or more with respect to the whole nonionic type reactive surface active agent.;SELECTED DRAWING: None;COPYRIGHT: (C)2017,JPO&INPIT