Image recording material

Details Image recording material Image recording material

2007-10-30

2007-10-30

Chu, John S. (Department: 1752)

Radiation imagery chemistry: process, composition, or product th

Imaging affecting physical property of radiation sensitive...

Radiation sensitive composition or product or process of making

C430S271100, C430S302000

Reexamination Certificate

active

10828172

ABSTRACT:
The infrared laser-compatible positive-type image recording materials according to the present invention include a support and a photo/thermosensitive layer formed on the support; and the photo/thermosensitive layer contains an alkali-soluble resin (A), a photothermal converting substance (B) and an ester compound (C) represented by the following General Formula (I), and increases solubility thereof to an alkaline developer as a result exposure to an infrared laser. In the following formula, R1represents a hydrocarbon group having a pKa of R1OH in a range of 3 to 10; and R2represents a hydrocarbon group or a substituted carbonyl group. The invention provides image recording materials compatible with high-output lasers that enable highly-sensitive direct plate making by using digital data from a computer or the like, and provide images excellent in development latitude, contrast, and resolution

REFERENCES:
patent: 6399279 (2002-06-01), Urano et al.
patent: 6410207 (2002-06-01), Nagasaka et al.

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