Patent classifications
B
PERFORMING OPERATIONS; TRANSPORTING
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B41
PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
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B41C
PROCESSES FOR THE MANUFACTURE OR REPRODUCTION OF PRINTING SURFACES
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2210/00
Preparation or type or constituents of the imaging layers, in relation to lithographic printing forme preparation
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B41C2210/26
characterised by a macromolecular compound or binder obtained by reactions not involving carbon-to-carbon unsaturated bonds
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B41C2210/266
Polyurethanes; Polyureas
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B41C2210/266

Lithographic printing plate precursor, method for preparing lithographic printing plate, and lithographic printing method
12365173 · 2025-07-22 · ·

A lithographic printing plate precursor has a support and an image-recording layer on the support, in which the image-recording layer contains an infrared absorber, a polymerization initiator, and a polymer A. The weight-average molecular weight of the polymer A is more than 15,000 and 150,000 or less, and the ethylenically unsaturated bond valence of the polymer A is 3.0 mmol/g or more.