Photopolymerizable compositions containing organoboron compounds

Radiation imagery chemistry: process – composition – or product th – Imaging affecting physical property of radiation sensitive... – Radiation sensitive composition or product or process of making

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430781, 430783, 430271, 430300, 430915, 430916, 522 25, G03C 173, G03F 7027

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active

049718916

ABSTRACT:
Disclosed is a photopolymerizable composition comprising (i) a monomer having at least one ethylenic unsaturated group which is polymerizable by means of active light, (ii) an organoboron compound, and (iii) a pyrylium or thiopyrylium dye. The composition is useful, for example, as photosensitive layers for photosensitive printing plates which are sensitive and respond to an argon laser light source.

REFERENCES:
patent: 3775130 (1973-11-01), Enomoto et al.
patent: 4307182 (1981-12-01), Dalzell et al.
patent: 4343891 (1982-08-01), Aasen et al.
patent: 4416961 (1983-11-01), Drexhage
patent: 4474868 (1984-10-01), Yamaoka et al.

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