Enhanced imaging composition containing an azinium activator

Details Enhanced imaging composition containing an azinium activator Enhanced imaging composition containing an azinium activator

G - Physics

03

C

96/155

G03C 1/72 (2006.01) G03F 7/027 (2006.01) G03F 7/028 (2006.01) G03F 7/031 (2006.01)

Patent

CA 1329044

ENHANCED IMAGING COMPOSITION CONTAINING AN AZINIUM ACTIVATOR Abstract of the Disclosure An imaging composition is disclosed com- prised of an organic component containing ethylenic unsaturation sites and capable of selective hardening by addition at the sites of ethylenic unsaturation, an azinium salt activator, a photosensitizer having a reduction potential which in relation to the reduc- tion potential of the azinium salt activator is at most 0.1 volt more positive, and an image enhancing amount of benzene substituted with an electron dona- ting amino group and one or more groups capable of imparting a net Hammett sigma value electron with- drawing characteristic of at least +0.20 volt to said benzene ring.

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