C - Chemistry – Metallurgy – 07 – F
Patent
C - Chemistry, Metallurgy
07
F
C07F 7/10 (2006.01) C07F 7/08 (2006.01) C07F 7/18 (2006.01) C08G 77/26 (2006.01) C08G 77/388 (2006.01) C08K 5/54 (2006.01) C08K 5/544 (2006.01) C08L 101/00 (2006.01)
Patent
CA 2057581
A-18467/A/CHM 57 Novel piperidine compound containing silane groups for use as stabilisers for organic materials Abstract of the Disclosure The present invention relates to novel piperidine compounds of the formula (I) Image (I) in which A is e.g. a group of the formula Image (I) where R4 is e.g. hydrogen or methyl, X3 is e.eg. -O- or -NH- and R5' is e.g. ethylene, propylene or deca?ethylene, R1 is e.g. methyl, methoxy, ethoxy or OH, R2 and R3 are e.g. methyl, m + n is e.g. a number from 1 to 40, n varies e.g. from zero to 50 % of the sum m + n, X1 is e.g. as defined for R1 or is a group Image and X2 is e.g. hydrogen, methyl, ethyl, a group (CH3)3Si- or a group Image , and when m + n is a number from 3 to 10, X1 and X2 together also form a direct bond. The compounds of the formula (1) are effective in stabilising an organic material against thermal, oxidative and light-induced degradation.
Borzatta Valerio
Carrozza Primo
Ciba Specialty Chemicals Holding Inc.
Fetherstonhaugh & Co.
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