2-Hydroxyphenyl-s-Triazines substituted with ethylenically unsaturated moieties

摘要

s-Triazine UV absorbers of formula I <IMAGE> (I) where R1 is <IMAGE> <IMAGE> -CH2-C(=CH2)-R10, -(CH2)p-SiR11R11'-CH=CH2, -C(=O)-(CH2)q-CH=CH2 or -C(=O)-O-CH2-C(=CH2)-R10; and E1 and E2 are phenyl groups which may be unsubstituted or substituted with a variety of substituents including inter alia alkyl, OH and R1; are polymerizable and are effective stabilizers for a variety of polymeric and other organic substrates.