Impact resistant acrylic polymer composition

Details Impact resistant acrylic polymer composition Impact resistant acrylic polymer composition

1977-05-18

1978-04-18

Turer, Richard B.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

C-metal

260880R, C08L 5100, C08L 5300

Patent

active

040851664

ABSTRACT:
A molding composition of improved toughness, thermal stability, flow and stress craze resistance comprising (A) from about 70 to about 95% of a resinous terpolymer of 65 to 75 parts of methylmethacrylate, 18 to 24 parts of styrene and 2 to 12 parts of ethylacrylate and (B) 5% to 30% of polybutadiene grafted with 17 to 22 parts of methylmethacrylate, 4 to 7 parts of styrene and 0 to 3 parts of ethylacrylate, the ratio of polybutadiene to monomer in (B) ranging from 1:1 to 4:1, respectively.

REFERENCES:
patent: 3261887 (1966-07-01), Mann
patent: 3354238 (1967-11-01), Schmitt et al.
patent: 3956424 (1976-05-01), Murayama et al.

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