Heat sensitive imaging element and a method for producing lithog

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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4302751, 4302781, G03C 173

Patent

active

059811447

ABSTRACT:
According to the present invention there is provided a heat sensitive imaging element comprising on a hydrophilic surface of a lithographic base an image forming layer comprising hydrophobic thermoplastic polymer particles dispersed in a water insoluble alkali soluble or swellable resin and a compound capable of converting light into heat, said compound being present in said image forming layer or a layer adjacent thereto, characterized in that said alkali swellable or soluble resin comprises phenolic hydroxy groups.

REFERENCES:
patent: 4004924 (1977-01-01), Vrancken et al.
patent: 5618645 (1997-04-01), Nakano et al.

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