Particle agglomeration in rubber latices

Details Particle agglomeration in rubber latices Particle agglomeration in rubber latices

C - Chemistry, Metallurgy

08

J

400/1130, 400/30

C08J 3/16 (2006.01) C08C 1/07 (2006.01) C08F 279/02 (2006.01) C08F 291/02 (2006.01) C08L 21/02 (2006.01) C08L 51/04 (2006.01)

Patent

CA 1194634

ABSTRACT OF THE DISCLOSURE Particle size distribution in elastomeric latex preparations is advantageously controlled and improved by treatment of the prepared latex with an agglomerating agent (AgAg) copolymer having an elastomeric "core" and grafted thereto a "shell" of interpolymer comprising polymerized acid and ester comonomers. The grafted interpolymer can beneficially be a polymerized mixture of ethyl acrylate and meth- acrylic acid. Agglomerated latex product can be recovered for direct utilization of its favorably particle size-distributed elastomeric component or for other purposes such as grafted polymer blends, ABS and similar products.

442310

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