Heat sensitive imaging element and a method for producing lithog

Details Heat sensitive imaging element and a method for producing lithog Heat sensitive imaging element and a method for producing lithog

1998-05-06

2000-08-22

Hamilton, Cynthia

Radiation imagery chemistry: process, composition, or product th

Imaging affecting physical property of radiation sensitive...

Radiation sensitive composition or product or process of making

430926, 430944, G03F 7004

Patent

active

061069965

ABSTRACT:
According to the present invention there is provided a heat-sensitive imaging element for making lithographic printing plates comprising a lithographic base having a hydrophilic surface, a hydrophobic first layer that is sensitive to heat including at least a hydrophobic polymer and a compound that is capable of converting light into heat, said layer having a decreased or increased capacity for being penetrated and/or solubilized by an aqueous developer upon exposure to actinic light, characterized in that said imaging element comprises a second layer located between the first layer and the hydrophilic surface and including a dispersed hydrophobic thermoplastic polymer latex, said second layer being soluble or dispersible in an aqueous solution.

REFERENCES:
patent: 3679410 (1972-07-01), Vrancken et al.
patent: 5811215 (1998-09-01), Van Damme et al.
Patent Abstracts of Japan, vol. 010, No. 055 (M-458), Mar. 5, 1986, & JP 60 201987 A (Ricoh KK), Oct. 12, 1985.

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