Thermoplastic molding composition comprising a terpolymer of .al

Details Thermoplastic molding composition comprising a terpolymer of .al Thermoplastic molding composition comprising a terpolymer of .al

1976-05-10

1978-04-25

Wong, Jr., Harry

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

Synthetic resins

Polymers from only ethylenic monomers or processes of...

5263292, 526347, C08F 2610

Patent

active

040864103

ABSTRACT:
A thermoplastic molding composition comprising a terpolymer having a weight ratio of from about 20 to 50, preferably 20 to 30, parts .alpha.-methylstyrene, about 79 to 40, preferably 73 to 67, parts methyl methacrylate and about 1 to 10, preferably 3 to 6, parts N-vinyl-2-pyrrolidone. A particularly preferred terpolymer composition includes 25 parts .alpha.-methylstyrene, 70 parts methyl methacrylate and 5 parts N-vinyl-2-pyrrolidone. Thermoplastic molding compositions embodying this invention are characterized by excellent transparency, high flow rates and resistance to deformation at high temperatures.

REFERENCES:
patent: 2882262 (1959-04-01), Smith et al.
patent: 2938017 (1960-05-01), Grosser
patent: 3072622 (1963-01-01), Ham
patent: 3135723 (1964-06-01), Vandegaer

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