New processing aid (8-CB-10.483)

Details New processing aid (8-CB-10.483) New processing aid (8-CB-10.483)

1991-07-15

1993-04-27

Schofer, Joseph L.

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

Synthetic resins

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

525113, 525122, C08L 3306

Patent

active

052062961

ABSTRACT:
The invention deals with a processing aid for polymeric compositions. The processing aid is a terpolymer comprising 10-49% by weight of a vinyl aromatic monomer like styrene, 5-35% by weight of an acrylic nitrile, like acrylonitrile and 21-60% by weight of an alkylacrylate or alkylmethacrylate with a viscosity number of more than four as measured in dimethylformamide at 30.degree. C. at a concentration of 100 mg terpolymer per 100 ml dimethylformamide.

REFERENCES:
patent: 2646417 (1953-07-01), Jennings
patent: 3427275 (1969-02-01), Davis
patent: 3975315 (1976-08-01), Parks
patent: 4782127 (1988-11-01), Van Nuffel

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