Stabilized polyester compositions

Details Stabilized polyester compositions Stabilized polyester compositions

1975-01-31

1976-10-19

Marquis, Melvyn I.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

260 458NW, 260 459R, 260 459QA, 260 459QB, C08K 500

Patent

active

039870049

ABSTRACT:
Saturated polyester compositions stabilized against thermal degradation by the addition of small amounts of a synergistic stabilizing combination of a 5 or 6 membered, cyclic organic carbonate and an antioxidant selected from the group consisting of certain alkylated phenols, polyphenols, alkylphosphites, arylphosphites, aromatic amines and aromatic polyamines.

REFERENCES:
patent: 3301825 (1967-01-01), Hostettler et al.
patent: 3528936 (1970-09-01), Kent et al.
patent: 3551381 (1970-12-01), Stewart et al.
patent: 3620824 (1971-11-01), Slade et al.
patent: 3657191 (1972-04-01), Titzmann et al.
patent: 3775374 (1973-11-01), Wolfe, Jr.
patent: 3880803 (1975-04-01), Keizer

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