NEW CLEAVAGE PHOTOINITIATORS FOR RADICAL POLYMERIZATION .2. SYNTHESISAND PHOTOCHEMICAL STUDY OF DIHYDROXY DERIVATIVES OF DIBENZOYLMETHANE

Citation
P. Bosch et al., NEW CLEAVAGE PHOTOINITIATORS FOR RADICAL POLYMERIZATION .2. SYNTHESISAND PHOTOCHEMICAL STUDY OF DIHYDROXY DERIVATIVES OF DIBENZOYLMETHANE, Journal of photochemistry and photobiology. A, Chemistry, 78(1), 1994, pp. 79-84
Citations number
21
Categorie Soggetti
Chemistry Physical
ISSN journal
10106030
Volume
78
Issue
1
Year of publication
1994
Pages
79 - 84
Database
ISI
SICI code
1010-6030(1994)78:1<79:NCPFRP>2.0.ZU;2-6
Abstract
Dihydroxy derivatives of para-substituted dibenzoylmethanes were prepa red. On continuous irradiation, these compounds undergo homolytic frag mentation in the position Lu to the CO group. The quantum yields of ch romophore destruction are high and are indicative of high rates of rad ical production. A photocalorimetric and real time IR (RTIR) study of the radical polymerization of acrylic monomers shows that these compou nds are excellent photoinitiators.