Ultra violet light resistant carbonate polymers with...

Details Ultra violet light resistant carbonate polymers with... Ultra violet light resistant carbonate polymers with...

C - Chemistry, Metallurgy

08

K

400/7503

C08K 5/34 (2006.01) C08K 5/3475 (2006.01) C08K 5/43 (2006.01)

Patent

CA 1314649

ABSTRACT This invention relates to ultra violet light resistant polycarbonate compositions which have processing or heat stability and which are produced by adding compatible UV absorbing compounds and aromatic sulfonimides to the compositions. The UV absorbing compounds are used in amounts of from 0.01 to 5.0 percent by weight and the sulfonimides are used in an amount of from 0.0001 to 10.0 percent. The preferred UV absorber is 2-(2'-hydroxy-5'-t-octylphenyl)-benzo- triazole. The preferred sulfonimide is N-(p-tolyl- sulfonyl)-p-toluenesulfonimide. 35,768-F

574269

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