abstract |
An optical film for a flat panel display comprising the components (A) a thermoplastic polymer; (B) a mixture containing two or more different compounds selected from the group consisting of the compounds of the formulae (B-I) and (B-II); wherein E 1 is hydrogen, C 1 -C 18 alkyl, C 1 -C 18 alkyl substituted by 1, 2 or 3 radicals selected from the group consisting of -OH, C 2 -C 18 alkenyloxy, -C(O)OX 1 and -OC(O)X 2 with X 1 and X 2 being independently C 1 -C 18 alkyl; C 3 -C 50 alkyl interrupted by oxygen or C 3 -C 50 hydroxyalkyl interrupted by oxygen; E 2 , E 3 , E 4 and E 5 are independently hydrogen, C 1 -C 18 alkyl, phenyl or phenyl substituted by 1, 2 or 3 C 1 -C 4 alkyl; wherein A 1 , A 2 , A 3 and A 4 are independently hydrogen, C 1 -C 18 alkyl, C 1 -C 18 alkyl substituted by 1, 2 or 3 radicals selected from the group consisting of -OH, C 2 -C 18 alkenyloxy, -C(O)OY 1 and -OC(O)Y 2 with Y 1 and Y 2 being independently C 1 -C 18 alkyl; C 3 -C 50 alkyl interrupted by oxygen or C 3 -C 50 hydroxyalkyl interrupted by oxygen; and optionally (C) at least one 2,2,6,6-tetramethylpiperidine derivative. |