Sulfonium salt compounds and initiators of polymerization
US5639903A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Dec 11, 1995 |
| Grant date | Jun 17, 1997 |
| Priority date | — |
| Expiry date | Dec 11, 2015 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC08G59/687
- WIPO fieldMacromolecular chemistry, polymers
- WIPO sectorChemistry
Abstract
The present invention is related to sulfonium salt compounds useful as an initiator of cationic polymerization and represented by a following general formula (I): ##STR1## wherein R.sub.1 is benzyl, phenyl, etc., R.sub.2, R.sub.3 and R.sub.4 are each independently hydrogen, alkyl, etc., R.sub.5 is hydrogen, alkyl, phenyl, etc., R.sub.6 is a group represented by a formula, --(CH.sub.2).sub.m --R.sub.11 wherein R.sub.11 is COR.sub.12, COOR.sub.13, OR,.sub.14, nitrile, OCOR.sub.15 or SOR.sub.16, wherein R.sub.12, R.sub.13, R.sub.14, R.sub.15 and R.sub.16 are each independently hydrogen, alkyl or phenyl, m is 0 or 1, and X represents SbF.sub.6, AsF.sub.6, PF.sub.6 or BF.sub.4.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.