Synergistic uv absorber combination

A 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) a compound selected from benzotriazoles of the formula (IIa), 2-hydroxybenzophenones of the formula (IIb), oxalanilides of the formula (IIc), 2-hydroxyphenyltriazines of formula (IId), cinnamates of formula (IIe), and benzoates of formula (IIf)
• wherein T1 is hydrogen, C1-C18alkyl, or C1-C18alkyl which is substituted by phenyl,
• or T1 is a group of the formula
• L1 is a divalent group, for example —(CH2)n—, where n is from the range 1-8;
• T2 is hydrogen, C1-C18alkyl, or is C1-C18alkyl which is substituted by COOT5, C1-C18alkoxy, hydroxyl, phenyl or C2-C18acyloxy;
• T3 is hydrogen, halogen, C1-C18alkyl, C1-C18alkoxy, C2-C18acyloxy, phenyl, or is perfluoroalkyl of 1 to 12 carbon atoms;
• T5 is C1-C18alkyl or C4-C50alkyl interrupted by one or more O and/or substituted by OH or by a group
• G1, G2 and G3 independently are hydrogen, hydroxy or C1-C18alkoxy;
• wherein
• G4, G5, G6 and G7 independently are hydrogen, C1-C12alkyl or C1-C12alkoxy;
• wherein
• G8 is C1-C18alkyl, or is C4-C18alkyl which is interrupted by COO or OCO or O, or is interrupted by O and substituted by OH;
• G9, G10, G11 and G12 independently are hydrogen, methyl, hydroxy or OG8;
• wherein
• m is an integer from 1 to 4;
• G15 is hydrogen or phenyl;
• if n is 1, G16 is COO-G19;
• if n is 2, G16 is C2-C12alkane-dioxycarbonyl;
• if n is 3, G16 is C3-C12alkane-trioxycarbonyl;
• if n is 4, G16 is C4-C12alkane-tetraoxycarbonyl;
• G17 is hydrogen, CN, or is COO-G19;
• G18 is hydrogen or methoxy;
• G19 is C1-C18alkyl;
• wherein
• k is 1 or 2;
• when k is 1, G20 is C1-C18alkyl, phenyl or phenyl substituted by C1-C12alkyl, and G21 is hydrogen;
• when k is 2, G20 and G21 together are the tetravalent group
• G22 and G24 independently are hydrogen or C1-C8alkyl;
• G23 is hydrogen or hydroxy,
• provided that R in formula (I) is (CH2—CH2—O—)n—R2 if component (B) contains a 2-hydroxyphenyltriazine of formula (IId) wherein G9, G10, G11 or G12 are methyl.