abstract |
A synergistic stabilizer mixture comprising a component a) and, for example, a component b), where component a) is at least one compound of the formula Iin whichR1 is C1-C10alkyl, C5-C12cycloalkyl, C1-C4alkyl-substituted C5-C12cycloalkyl, phenyl or C1-C10alkyl-substituted phenyl,R2 is C3-C10alkylene,R3 is hydrogen, C1-C8alkyl, O, -CH2CN, C3-C6alkenyl, C7-C9phenylalkyl, C7-C9phenylalkyl which is substituted on the phenyl radical by C1-C4alkyl; or C1-C8acyl, andn1 is a number from 1 to 50,and component b) another HALS compound. |