Derivatives of n-hals-substituted amic acid hydrazides

Details Derivatives of n-hals-substituted amic acid hydrazides Derivatives of n-hals-substituted amic acid hydrazides

C - Chemistry, Metallurgy

07

D

260/278, 400/708

C07D 211/58 (2006.01) C07D 211/94 (2006.01) C07D 401/04 (2006.01) C07D 405/12 (2006.01) C07F 7/10 (2006.01) C08J 3/20 (2006.01) C08K 5/3435 (2006.01)

Patent

CA 2030310

DERIVATIVES OF N-HALS-SUBSTITUTED AMIC ACID HYDRAZIDES Abstract of the Disclosure N-(2,2,6,6-tetraalkyl-4-piperidinyl)amic acid hydrazides contain a light stabilizing group, a heat stabilizing group and an amic acid hydrazide functionality in the same molecule. The amic acid hydrazide functionality in the compounds enhances the photooxidative stabilizing properties of the hindered amine groups and contributes thermal and oxidative stabilizing and metal complexing properties to the compounds. The novel compounds are excellent light stabilizers for polyolefins, have low volatility and are not readily lost from polymeric systems via volatilization, migration or extraction.

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