A stabilizer composition comprising (A) a compound of the formula I
wherein R is (CH2-CH2-O-)n-R2; -CH2-CH(OH)-CH2-O-R2; or -CH(R3)-CO-O-R4; n is 0 or 1; R2 is C1-C13alkyl or C2-C20alkenyl or C6-C12aryl or CO-C1-C18alkyl; R3 is H or C1-C8alkyl; R4 is C1-C12alkyl or C2-C12alkenyl or C5-C6cycloalkyl; and (B) one or more compounds selected from (i) to (xlv) as defined in claim 1 is especially effective towards stabilizing organic materials against degradation induced by light, heat or oxidation.
一种稳定剂组合物,包括(A)式I的化合物,其中R为(
CH2- -O-)n-R2;- -CH(OH)- -O-R2;或-CH(R3)-CO-O-R4;n为0或1;R2为C1-C13烷基或C2-C20烯基或C6-C12芳基或CO-C1-C18烷基;R3为H或C1-C8烷基;R4为C1-C12烷基或C2-C12烯基或C5-C6环烷基;以及(B)根据权利要求1所定义的(i)至(xlv)中的一种或多种化合物,对于稳定有机材料抵抗光、热或氧化引起的降解特别有效。