Process for preparing an impact resistant resin

Details Process for preparing an impact resistant resin Process for preparing an impact resistant resin

C - Chemistry, Metallurgy

08

F

400/2028

C08F 279/00 (2006.01) C08F 279/02 (2006.01) C08F 279/04 (2006.01)

Patent

CA 2003745

ABSTRACT A process for preparing an impact resistant resin, which comprises a step of graft copolymerizing a monomer mixture comprising an aromatic vinyl monomer and a monomer copolymerizable therewith, to a butadiene rubber- like polymeric latex in the presence of a redox polymerization initiator; a step of coagulating the resulting graft copolymer latex by mixing an antioxidant thereto and adding an alkaline earth metal salt thereto; and a step of washing the coagulated product by a washing water having the pH adjusted to a level of at most 7.

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