Molding compositions with acrylonitrile-styrene-acrylate rubber

Details Molding compositions with acrylonitrile-styrene-acrylate rubber Molding compositions with acrylonitrile-styrene-acrylate rubber

1989-09-22

1991-11-26

Marquis, Melvyn I.

Synthetic resins or natural rubbers -- part of the class 520 ser

Synthetic resins

Mixing of two or more solid polymers; mixing of solid...

525 71, 525148, 264523, 264540, 264544, C08L 6900, B29C 4900, B29C 5100

Patent

active

050682857

ABSTRACT:
Carbonate polymers (PC) such as randomly branched carbonate polymers, linear carbonate polymers and blends thereof are blended with ABS polymers and acrylonitrile-styrene-acrylate rubber (ASA) polymers as impact modifiers. The ABS polymers have greater than 18% acrylonitrile. The ASA impact modifier is in the PC and the ABS resin interphases so that higher melt elasticity is achieved.

REFERENCES:
patent: 3944631 (1976-03-01), Yu et al.
patent: 4148842 (1979-04-01), Yu
patent: 4652602 (1987-03-01), Liu
patent: 4677162 (1987-06-01), Grigo
patent: 4764556 (1988-08-01), Lausberg
S. S. Schwartz and S. H. Goodman, Editors; "Plastics Materials and Processes"; Van Nostrand Reinhold (1982); pp. 527-540; 617-631; 632-650.

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