Photopolymerizable element having initiator in adhesive layer
US4289843A · kind A · utility
13Cited by
5References
10Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Nov 21, 1978 |
| Grant date | Sep 15, 1981 |
| Priority date | — |
| Expiry date | Nov 21, 1998 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10S430/124
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
A photopolymerizable element suitable for use in the production of photorelief printing plates comprises a film or sheet, an adhesive layer and a photopolymerizable layer wherein the adhesive layer comprises a non-photopolymerizable plastics binder and a photopolymerization initiator comprising an admixture of a compound of the formula: ##STR1## preferably 4,4'-bis(dimethylamino)-benzophenone in an amount 0.01 to 2.0% by weight based upon the weight of the binder and another photopolymerization initiator in an amount 0.1 to 7% by weight based upon the weight of the binder.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.