Thermally stabilized polyetherimides

Details Thermally stabilized polyetherimides Thermally stabilized polyetherimides

C - Chemistry, Metallurgy

08

L

400/3011, 400/70

C08L 79/08 (2006.01) C08K 5/00 (2006.01) C08K 5/13 (2006.01)

Patent

CA 1266539

THERMALLY STABILIZED POLYETHERIMIDES ABSTRACT OF THE DISCLOSURE A thermally stabilized polyetherimide is disclosed which contains a polyetherimide and a stabilizing amount of an antioxidant having a molecular weight of 400 and is selected from the group of hindered phenols, arylphosphosphonites, organic phosphites, thioesters or mixtures thereof. The stabilized polyetherimides exhibit a prolonged stability under conditions of elevated temperatures.

472816

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