| 摘要 |
A composition comprising an organic material selected from the group consisting of polymers devoid of silicon atoms, naturally occuring and synthetic mineral oils, animal and vegetable fats, oils and waxes and synthetic ester-based oils, fats and waxes subject to oxidative, thermal and/or actinic degradation and as stabilizer at least a compound of formula (I) <IMG> (I) wherein n is the number 0, 1, 2 or 3 and R, R1 and R2 are independently hydrogen, alkyl of 1 to 36 carbon atoms, cycloalkyl of 5 to 12 carbon atoms, aralkyl of 7 to 9 carbon atoms or said aralkyl substituted by alkyl of 1 to 36 carbon atoms.
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