Piperidine derivatives which are stabilisers for synthetic...

Details Piperidine derivatives which are stabilisers for synthetic... Piperidine derivatives which are stabilisers for synthetic...

C - Chemistry, Metallurgy

07

D

260/248, 400/708

C07D 211/46 (2006.01) C07D 211/58 (2006.01) C07D 401/00 (2006.01) C08K 5/34 (2006.01) C08K 5/3435 (2006.01)

Patent

CA 1152065

Abstract The invention relates to new piperidine compounds which act as light stabilisers, heat stabilisers and oxidation stabilisers for synthetic polymers, in particular for hydrocarbon polymers. The compounds are piperidinol carbamates of the formula: Image (I) in which R1, R2, R3, R4, R5, R6, R7 and A have the meanings defined in the description and y is an integer from 1 to 4 In particular, represents a monovalent to tetravalent radical, always bonded to the carboxy-piperidine radicals via nitrogen atoms.

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