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

1976-09-22

1977-12-20

Rzucidlo, Eugene C.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

260 297UP, 260880R, 260DIG22, C08L 5104

Patent

active

040640930

ABSTRACT:
There is disclosed a process for preparing a latex comprising grafted rubber particles for ABS polyblends 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.

REFERENCES:
patent: 3509237 (1970-04-01), Aubry
patent: 3509238 (1970-04-01), Aubry et al.
patent: 3558541 (1971-01-01), Dalton
patent: 3957912 (1976-05-01), Cincera

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