2-Hydroxyphenyl-s-Triazines substituted with ethylenically unsaturated moieties
US5672704A · kind A · utility
12Cited by
6References
4Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Sep 28, 1995 |
| Grant date | Sep 30, 1997 |
| Priority date | — |
| Expiry date | Sep 28, 2015 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC08K5/34926
- WIPO fieldMacromolecular chemistry, polymers
- WIPO sectorChemistry
Abstract
s-Triazine UV absorbers of formula I ##STR1## where R.sub.1 is ##STR2## --CH.sub.2 --C(.dbd.CH.sub.2)--R.sub.10, --(CH.sub.2).sub.p --SiR.sub.11 R.sub.11 '--CH.dbd.CH.sub.2, --C(.dbd.O)--(CH.sub.2).sub.q --CH.dbd.CH.sub.2 or --C(.dbd.O)--O--CH.sub.2 --C(.dbd.CH.sub.2)--R.sub.10 ; and E.sub.1 and E.sub.2 are phenyl groups which may be unsubstituted or substituted with a variety of substituents including inter alia alkyl, OH and R.sub.1 ; are polymerizable and are effective stabilizers for a variety of polymeric and other organic substrates.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.