Polymeric compounds containing piperidine groups

Details Polymeric compounds containing piperidine groups Polymeric compounds containing piperidine groups

C - Chemistry, Metallurgy

08

G

402/33, 400/5403

C08G 69/44 (2006.01) C08G 63/685 (2006.01) C08G 73/00 (2006.01) C08L 23/02 (2006.01) C08L 77/12 (2006.01) C08L 101/00 (2006.01)

Patent

CA 1252596

Novel polymeric compounds containing piperidine groups Abstract of the Disclosure Novel polymeric compounds of the repeating structural unit (I) Image (I) in which R1 is hydrogen, O; CN, cyanomethyl, C1-C12-alkyl, C3-C12- alkenyl or C3-C12-alkynyl subject to the proviso that the carbon atom attached to the nitrogen atom is a primary carbon atom, C7-C12-aralkyl, C1-C12-acyl, 2,3-epoxypropyl or C2-C6-alkyl sub- stituted by OH, R2 is C2-C18-alkylene, C4-C18-alkylene substituted by 1 or 2 oxygen or nitrogen atoms in the chain, C5-C18-cyclo- alkylene, C6-C18-arylene or C8-C18-aralkylene, R3 is as defined for R2 or is a group of the formula (II) or (III) Image (II) (III) in which R4 is hydrogen or C1-C4-alkyl and R5 is C2-C12-alkylene, C4-C12-alkenylene subject to the proviso that the carbon atom attached to the nitrogen atom is a primary carbon atom, or is C8-C12-aralkylene are useful as light stabilizers, heat stabilizers and oxidation stabilizers for organic materials.

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