Piperidine-triazine co-oligomers for use as stabilizers for...

Details Piperidine-triazine co-oligomers for use as stabilizers for... Piperidine-triazine co-oligomers for use as stabilizers for...

C - Chemistry, Metallurgy

07

D

C07D 401/14 (2006.01) C07D 401/12 (2006.01) C07D 413/14 (2006.01) C08F 226/06 (2006.01) C08G 73/02 (2006.01) C08G 73/06 (2006.01) C08L 39/08 (2006.01)

Patent

CA 2044310

The present invention relates to novel co-oligomers containing recurring units of the formulae (Ia} and (Ib) (see formula I) , (see formula II) which have a molecular weight of e.g. from 1,000 to 5,000 and a (Ia):(Ib) ratio of e.g. 1:1, and in which R1 and R5 are e.g. N-(2,2,6,6-tetramethyl-4-piperidyl)-n- butylamino, R2 is e.g. 2,2,6,6-tetramethyl-4-piperidyl, R3 is e.g. hexamethylene, R4 is e.g. hydrogen and X is e.g, a group (see formula III) These compounds are particularly suitable for stabilizing organic materials against light, heat and oxidation.

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