High-impact polystyrene and process for the production thereof

Details High-impact polystyrene and process for the production thereof High-impact polystyrene and process for the production thereof

1978-06-12

1979-05-08

Seccuro, Carman J.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

C-metal

C08L 906

Patent

active

041536452

ABSTRACT:
An improved high-impact polystyrene is disclosed comprising a blend of a polystyrene having a large rubber particle size and a polystyrene having a very fine rubber particle size, combined in such proportions that an improved balance of properties is achieved. Preferably, each polystyrene graft copolymer is prepared by a mass-suspension polymerization process and has a specific degree of grafting.

REFERENCES:
patent: 3592878 (1971-07-01), Kromolicki et al.
patent: 3663656 (1972-05-01), Ford et al.

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