C - Chemistry – Metallurgy – 07 – C
Patent
C - Chemistry, Metallurgy
07
C
400/7107, 31/73,
C07C 39/06 (2006.01) C08K 5/13 (2006.01) C09K 15/08 (2006.01)
Patent
CA 2020051
A composition containing a) a polystyrene, substituted polystyrene, copolymer or terpolymer of styrene or of a substituted styrene, polycarbonate, polyester-carbonate, polyurethane, polyamide, copolyamide, polyacetal or polyphenylene oxide and b) at least one compound of the formula I (see formula I) In which R1 is methyl or ethyl and R2 is C2-C30 alkyl. Compounds of the formula I in which R2 is C8-C30 alkyl are novel and are suitable for stabilizing organic materials against thermal, oxidative and actinic degradation.
Dubs Paul
Pitteloud Rita
Ag Ciba-Geigy
Ciba Specialty Chemicals Holding Inc.
Fetherstonhaugh & Co.
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