Alkyl phenylglyoxylates as radical photoinitiators creating negative photoimages1
- 1 January 1997
- journal article
- research article
- Published by Royal Society of Chemistry (RSC) in Journal of Materials Chemistry
- Vol. 7 (9) , 1737-1740
- https://doi.org/10.1039/a701797i
Abstract
Alkyl phenylglyoxylates are shown to be efficient photoinitiators for acrylate polymerization. Benzoyl and phenyl radicals derived from intermolecular hydrogen abstraction are the initiating species. A negative photoimage system was developed based on this observation. The imaging material consists of a polymeric phenylglyoxylate initiator and to-be-crosslinked diacrylate monomers. The contrast and sensitivity of this system have been measured.Keywords
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