| 摘要 |
<p>Compsns. contain: (A) mixt. of (A1) at least one 2-hydroxyphenylbenztriazole (I) and (A2) at least one 2-hydroxyphenyltriazine (II), or (B) mixt. of (B1) at least one (II) and (B2) at least one 2-hydroxyphenyltriazine (III) and/or at least one oxanilide (IV). Opt. (A) may further contain (A3) at least one (III) and/or at least one (IV). (I) pref. has formula (1a). In (1a), R1 = H, 1-24 C alkyl, phenyl-1-4 C alkyl, 5-8 C cycloalkyl, or gp. of formula: -C(R4)(R5)-CnH2n + 1-m-Mm where R4, R5 = 1-5 C alkyl or R4 with CnH2n + 1-m = 5-12 C cycloalkyl m = 1 or 2; n = 2-20; m = -COOR6</p> |
