Siloxane photoinitiators with aryoyl formate groups
US4507187A · kind A · utility
19Cited by
2References
13Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Apr 19, 1984 |
| Grant date | Mar 26, 1985 |
| Priority date | — |
| Expiry date | Apr 19, 2004 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10S522/904
- WIPO fieldMacromolecular chemistry, polymers
- WIPO sectorChemistry
Abstract
Polyorganosiloxane photoinitiators containing aryoyl formate photomoieties bonded to silicon atoms via non-hydrolyzable Si-C bonds. They may be prepared from alkenyl or alkynyl aryoyl formates and polyorganosiloxanes containing silicon hydride groups via hydrosilation. They are effective photoinitiators for photocurable silicone resins and for ethylenically unsaturated monomers, producing cured films with good weatherability and low temperature flexibility.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.