| abstract |
The use of compounds of the formula I wherein R1 denotes alkyl with 3 or 4 carbon atoms, R2 denotes alkyl with 1 - 4 carbon atoms, R3 denotes hydrogen or methyl, n denotes 1 or 2 and R4, if n is 1, denotes alkyl with 8 - 14 carbon atoms, cycloalkyl with 5 or 6 carbon atoms, benzyl, phenyl, phenyl substituted by 1 to 2 alkyl groups and/or alkoxy groups each with 1 - 8 carbon atoms, phenylthioalkyl with 8- 9 carbon atoms or aradical of the formula -(CH2)m-X-R(Ia) Wherein X is oxygen or sulphur, R is alkyl with 1 - 4 carbon atoms and m is 2 or 3, or, if n is 2, denotes alkylene with 2 - 8 carbon atoms, phenylene or a radical of the formula -(CH2)m-X-(CH2)g-(Ib) WHEREIN X is oxygen or sulphur and m and q independently of one another are 2 or 3, for stabilising elastomers. |