Process for polymerizing high nitrile ABS polyblends

Details Process for polymerizing high nitrile ABS polyblends Process for polymerizing high nitrile ABS polyblends

1977-08-22

1978-10-17

Michl, Paul R.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

C-metal

C08F29704

Patent

active

041208510

ABSTRACT:
The process relates to polymerizing mixtures of diene rubber with a monomer formulation comprising monovinylidene aromatic and ethylene unsaturated nitrile monomers wherein a late add of monovinylidene aromatic monomer is added after 85 to 98% conversion of the monomer formulation providing high nitrile ABS polyblends having improved color and toughness.

REFERENCES:
patent: 3671607 (1972-06-01), Lee
patent: 3880786 (1975-04-01), Feast
patent: 3991136 (1976-11-01), Dalton
patent: 4011283 (1977-03-01), Sturt
patent: 4042647 (1977-08-01), Cornell
patent: 4046839 (1977-09-01), Papetti

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