C - Chemistry – Metallurgy – 08 – G
Patent
C - Chemistry, Metallurgy
08
G
C08G 73/06 (2006.01) C08G 73/02 (2006.01) C08L 23/10 (2006.01) C08L 79/02 (2006.01) C08L 79/04 (2006.01) C09K 15/30 (2006.01)
Patent
CA 2093772
A-19057/A/CHM 66 Novel piperidine-triazine co-oligomers for use as stabilisers for organic materials Abstract of the disclosure Novel piperidine-triazine compounds comprising recurring units of the formulae (Ia) and (Ib) Image (Ia) (Ib) having a number-average molecular weight from 1,000 to 20,000 and a (Ia):(Ib) ratio from 4:1 to 1:4, in which R1 is e.g. an alkylamino group, R2 is e.g. 1,2,2,6,6-pentamethyl-4-piperidyl and R3 and R4 are e.g. C2-C12alkylene. These compounds are useful as light-stabilisers, heat-stabilisers and oxidation-stabilisers for organic materials. In particular, the compounds of the present invention exert a surprising light-stabilising action in polypropylene fibres.
Borzatta Valerio
Guizzardi Fabrizio
Ciba Specialty Chemicals Holding Inc.
Fetherstonhaugh & Co.
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