Compositions stabilized with 5-sulfonyl-substituted benotriazole

Details Compositions stabilized with 5-sulfonyl-substituted benotriazole Compositions stabilized with 5-sulfonyl-substituted benotriazole

1993-11-01

1995-07-25

Higel, Floyd D.

Organic compounds -- part of the class 532-570 series

Organic compounds

Heterocyclic carbon compounds containing a hetero ring...

524 91, 526259, 526261, 548260, 5483071, C07D24920, C07D24916, C07D24918, C08F23208, C08F12036

Patent

active

054363497

ABSTRACT:
2-(2-Hydroxyphenyl)-2H-benzotriazole UV-absorbers substituted at the 5-position of the benzo ring by a sulfoxide or sulfone group exhibit enhanced absorption in the near visible range (over 350 nm) allowing said compounds to be particularly effective in protecting polymer systems which are prone to degradation caused by actinic irradiation with wavelengths over 350 nm.

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PCT Search Report.

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