Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – Mixing of two or more solid polymers; mixing of solid...
Patent
1983-11-14
1985-10-01
Pertilla, Theodore E.
Synthetic resins or natural rubbers -- part of the class 520 ser
Synthetic resins
Mixing of two or more solid polymers; mixing of solid...
525148, 525468, C08L 6900
Patent
active
045447063
ABSTRACT:
Carbonate polymer compositions comprise extruded blends of a carbonate polymer and a copolymer consisting essentially of a monovinylidene aromatic comonomer and an .alpha.,.beta.-ethylenically unsaturated comonomer having a polar group. Optionally, a small amount of monovinylidene copolymer can be blended with said composition. Such compositions exhibit high impact strengths, improve the melt processability of the carbonate polymer and are advantageously highly transparent and exhibit low haze.
REFERENCES:
patent: 3239582 (1966-03-01), Keskkula et al.
patent: 3801673 (1974-04-01), O'Connell
patent: 3880783 (1975-04-01), Serini et al.
patent: 4439582 (1984-03-01), Henton
Evans Thomas E.
Finch Charles R.
Wallace Leslie E.
Pertilla Theodore E.
The Dow Chemical Company
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