Manufacturing method of the production method and a resin composition containing the same rubber-like polymer particles

Rubbery polymer aggregates removed impurities from an aqueous latex of particles, the dried powder, the method further producing a rubber-like polymer particle dispersion dispersed in an organic solvent efficiently, also the dispersion used, good dispersion state of the rubber-like polymer particles, and provides a method of making a small resin composition content of impurities efficiently. On the mixture obtained the aqueous latex of rubber-like polymer particles is mixed with an organic solvent showing partial solubility in water, it is brought into contact with water, to produce agglomerates of a rubber-like polymer particles, further coagulation by separating the aqueous phase from the mixture of Atsumaritai water phase to give aggregates of few impurities rubbery polymer particles. Further, a dispersion was obtained by adding an organic solvent to the aggregate, by mixing with the polymerizable organic compound having a reactive group such as epoxy resins, it is distilled off volatile components, the rubber-like polymer particles well dispersed, and obtaining a low impurity resin composition.