Stabilized polyester-polycarbonate compositions

Details Stabilized polyester-polycarbonate compositions Stabilized polyester-polycarbonate compositions

1995-02-28

1996-03-26

Acquah, Samuel A.

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

Synthetic resins

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

528272, 528275, 528279, 528280, 528281, 528282, 528283, 528285, 528308, 5283086, 525437, 525446, 525461, 525464, 524 81, 524261, 524539, C08F 2000

Patent

active

055021190

ABSTRACT:
A polyester-polycarbonate composition comprising (A) at least one polyester prepared by the reaction of at least one alkanediol with at least one dicarboxylic acid or dialkyl ester thereof in the presence of a metallic catalyst, (B) at least one polycarbonate, (C) at least one organosilicate, the organosilicate being present in an amount effective to inhibit ester-carbonate interchange in the composition, optionally, (D) an organic or inorganic colorant, (E) an impact modifier, and (F) a stabilizer. A method for stabilizing polyester-polycarbonate compositions against ester-carbonate interchange is also provided.

REFERENCES:
patent: 4401804 (1983-08-01), Wooten et al.
patent: 4532290 (1985-07-01), Jaquiss et al.
patent: 4794141 (1988-12-01), Paul et al.
patent: 5025066 (1991-06-01), DeRudder et al.

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