Sulfonium salt compounds, polymerization initiator, curable composition and curing method
US6093753A · kind A · utility
Assignee
Inventor
Key dates
| Filing date | Feb 19, 1998 |
| Grant date | Jul 25, 2000 |
| Priority date | — |
| Expiry date | Feb 19, 2018 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG03F7/0045
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
The present invention is to provide curable compositions usable appropriately in coatings, adhesives, photoresists, etc. and directed to sulfonium salt compounds represented by general formula [I]; ##STR1## wherein R.sub.1 and R.sub.2 represent alkyl, hydroxy, alkoxy, alkylcarbonyl, aromatic carbonyl, aromatic thio or halogeno; R.sub.3 represents alkyl; R.sub.4 represents optionally substituted alkyl, alkenyl or cycloalkyl; m and n are each 0, 1, 2 or 3; and X represents a non-nucleophilic anionic residue; a cationic polymerization initiator containing the compound; and a curable composition which contains the compound and a cationically polymerizable compound optionally together with a sensitizer.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.