| 摘要 |
Biaxially oriented mono- or multilayered polyester film containing at least one UV stabilizer according to formula (I): wherein R1 is —H, C1-C12-alkyl, -aryl, —S—(C1-C12)-alkyl or —O—R9 or —O—(C1-C5)-alkylene-C(O)O—R9, wherein R9 is -aryl or C1-C12-alkyl, R3 and R4 and R2, R5, R6, R7 and R8 independently from each other represent —H, —(C1-C12)-alkyl, —O—(C1-C12)-alkyl, -aryl or —O-aryl, wherein said alkyl radicals with more than two C-atoms and alkylene radicals with more than one C-atom can be linear or branched.
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