Polymeric compositions stabilized with hindered phenolic N-(amido)imides
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United States of America Patent
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Mar 31, 1992
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app pub date -
Aug 20, 1991
filing date -
Feb 20, 1990
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Abstract
Phenolic N-(amido)imides are provided which are useful as antioxidant stabilizers for organic materials, including a large variety of synthetic polymers, typically subject to thermooxidative degradation. The antioxidant effectiveness of the phenolic N-(amido)imide stabilizers is enhanced by the deactivating potential of the amido-imide moiety towards metals or metal ions that frequently contaminate polymer compositions and serve to catalyze thermal degradation.
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