Mixed polyester molding compositions

Details Mixed polyester molding compositions Mixed polyester molding compositions

1985-07-05

1987-11-03

Kight, John

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

Synthetic resins

Processes of preparing a desired or intentional composition...

524141, 524145, 524439, C08K 552

Patent

active

047044179

ABSTRACT:
Mixed polyester molding compositions comprising at least a pair of structurally different thermoplastic polyesters are stabilized against transesterification, whether during formulation or the downstream molding thereof, by having incorporated therein an effective amount of at least one mono-, di- or triester of orthophosphoric acid.

REFERENCES:
patent: 3953394 (1976-04-01), Fox et al.
patent: 3953539 (1976-04-01), Kawase et al.
patent: 4123420 (1978-10-01), Kyo et al.
K. Thinuis, "Stabiliserung und Alterung von Plastwerkstoffen", vol. 1, 1969, Akademie Verlag, Berlin, DE; p. 516.

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