Polymeric substrates stabilized with n-substituted hindered...

C - Chemistry – Metallurgy – 08 – K

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400/3006, 400/70

C08K 5/32 (2006.01) C08K 5/3432 (2006.01) C08K 5/3435 (2006.01)

Patent

CA 2000891

A-17272/17273/-/CGC 1374 POLYMERIC SUBSTRATES STABILIZED WITH N-SUBSTITUTED HINDERED AMINES Abstract of the Disclosure Hindered amines based on various 2,2,6,6-tetralkylated nitrogen-containing heterocyclic moieties wherein the hindered nitrogen atom on the ring is substituted with OR1 substituents and the 4-position of the ring is substituted with OR2 substituents are effective in protecting a variety of polymeric substrates against the adverse effects of light, heat and oxygen.

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