POLYORGANOSILOXANE-CONTAINING GRAFT COPOLYMER, RESIN COMPOSITIONS CONTAINING THE SAME AND PROCESS FOR PRODUCTION OF POLYORGANOSILOXANE EMULSIONS

摘要

Vinyl-based monomers in the presence of a latex state polyorganosiloxane (A) a polyfunctional monomer (B) and other copolymerizable monomer (C) containing two or more polymerizable unsaturated bond in the molecule (D) 0~ 10 parts by weight of the polymerization, and further the vinyl-based monomer by polymerizing the (E) a polyorganosiloxane-containing graft copolymer is obtained. ; Is blended in a thermoplastic resin as a flame retardant, the flame retardancy and impact resistance can be obtained an excellent resin composition. ; Process for producing a polyorganosiloxane emulsion of the cyclic organosiloxane in emulsion polymerization the addition of the resulting polyorganosiloxane condensation reactive organosilane or its partial hydrolysis and condensation under acidic conditions to less than pH5. ; It is possible to improve the polymerization conversion.