Dianhydride coupled polymer stabilizers

Details Dianhydride coupled polymer stabilizers Dianhydride coupled polymer stabilizers

C - Chemistry, Metallurgy

07

D

260/154, 400/708

C07D 403/10 (2006.01) C07D 209/48 (2006.01) C07D 403/04 (2006.01) C07D 487/04 (2006.01) C07D 487/08 (2006.01) C08K 5/00 (2006.01) C08K 5/34 (2006.01)

Patent

CA 1331989

DIANHYDRIDE COUPLED POLYMER STABILIZERS ABSTRACT OF THE DISCLOSURE The present invention comprises reaction products resulting from the reaction of hydrazido- substitued or certain aminosubstituted polymer stabilizers and cyclic dianhydrides, as well as the use of such products. The polymer stabilizers of the invention are useful for protecting a large variety of synthetic polymeric organic materials from the degradative effects of heat, light and oxygen. Some of the modifiers are flame retardants and many are metal deactivators in addition to their primary activity.

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