Process for preparing grafted rubber latices free of coagulum

Details Process for preparing grafted rubber latices free of coagulum Process for preparing grafted rubber latices free of coagulum

C - Chemistry, Metallurgy

08

L

400/3030

C08L 51/04 (2006.01) C08F 6/22 (2006.01) C08L 55/02 (2006.01)

Patent

CA 1105633

Case No. 08-12-0351 APPLICATION FOR LETTERS PATENT FOR PROCESS FOR PREPARING GRAFTED RUBBER LATICES FREE OF COAGULUM ABSTRACT OF THE DISCLOSURE There is disclosed a process for preparing a latex comprising grafted rubber particles for ABS poly- blends that is free of coagulum, the steps comprising, preparing said latex and passing it through a porous filter bed means comprising agglomerated particles of said latex, removing said coagulum and producing a filtered latex. The process also includes the steps of blending said latex with a matrix polymer latex to form a mixed latex and coagulating said mixed latex and recovering said grafted rubber particles and matrix polymer as an ABS polyblend. Inventors: William O. Dalton Glenn B. Hilton

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