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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430909, 430322, 430944, 430330, G03C 172, G03C 516

Patent

active

059485914

ABSTRACT:
According to the present invention there is provided a heat sensitive imaging element comprising a lithographic base with a hydrophilic surface, an image forming layer including a hydrophobic thermoplastic polymer latex and a compound capable of converting light into heat being present in said image forming layer or a layer adjacent thereto, characterized in that the image forming layer includes an alkali soluble copolymer containing acetal groups and hydroxy groups which have at least partially reacted with a compound with at least two carboxyl groups.

REFERENCES:
patent: 3847614 (1974-11-01), Mattor
patent: 4004924 (1977-01-01), Vrancken et al.
patent: 4115613 (1978-09-01), Inoue et al.
patent: 4828959 (1989-05-01), Pawlowksi et al.
patent: 5126504 (1992-06-01), Mueller-Hess et al.

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