Positive-working printing plate and method of providing a positi

Details Positive-working printing plate and method of providing a positi Positive-working printing plate and method of providing a positi

1997-03-21

2000-05-16

Chu, John S.

Radiation imagery chemistry: process, composition, or product th

Imaging affecting physical property of radiation sensitive...

Radiation sensitive composition or product or process of making

4302781, 430302, 430920, 430926, G03F 7004, G03F 709, G03F 730

Patent

active

060635444

ABSTRACT:
A positive-working lithographic printing plate is used to provide a positive image without a post-exposure baking step and without any floodwise exposure steps. The printing plate includes an imaging layer that is imageable using an infrared radiation laser. The imaging layer consists essentially of a phenolic resin and an infrared radiation absorbing compound.

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"The Chemical Behavior of Positive Working Systems" by J.C. Strieter. Eastman Kodak Company, Rochester, New York. pp. 116-122.

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