Bosch, P. and Delmonte, F. and Mateo, J.L. and Davidson, R.S. (1993) New cleavage photoinitiators for radical polymerization - synthesis and photochemical study of dibromo derivatives of dibenzoylmethane. Journal of Photochemistry and Photobiology a-Chemistry, 73 (3). pp. 197-204. ISSN 1010-6030.
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Dibromo derivatives of p-substituted dibenzoylmethanes have been prepared. Elucidation of the fragmentation mechanism on continuous irradiation has shown that homolytic fragmentation of the C-Br bond is produced. The quantum yields for chromophore destruction are high and are indicative of high rates of radical production. A photocalorimetric and real time IR (RTIR) study of radical polymerization of acrylic monomers has shown that these compounds are excellent photoinitiators, the bromine radical being the initiating species.
|Subjects:||Q Science > QD Chemistry|
|Divisions:||Faculties > Science Technology and Medical Studies > School of Biosciences|
|Depositing User:||R.F. Xu|
|Date Deposited:||09 Oct 2009 16:28|
|Last Modified:||09 Oct 2009 16:28|
|Resource URI:||http://kar.kent.ac.uk/id/eprint/20806 (The current URI for this page, for reference purposes)|
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