Lithographic printing plate support and negative photosensitive lithographic printing plate
AssigneeMitsubishi Paper Mills Limited
InventorsDaisuke Doi, Yukio Okamoto, Koichi Agata, Yukinao Kawamata
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Abstract
The invention provides lithographic printing plate supports that can give lithographic printing plates excellent in all of plate durability, scumming resistance, ink releasability and halftone staining resistance, and also provides such negative photosensitive lithographic printing plates. The lithographic printing plate support includes a hydrophilic layer containing an inorganic filler, the inorganic filler having particle size distribution peaks in the range of 0.2 μm to less than 0.6 μm and in the range of 0.6 μm to less than 1.5 μm. The negative photosensitive lithographic printing plate includes the support.
Claims16
A lithographic printing plate support comprising a hydrophilic layer on a substrate, the hydrophilic layer containing an inorganic filler and a hydrophilic binder, the inorganic filler in the hydrophilic layer having particle size distribution peaks in the range of 0.2 μm to less than 0.6 μm and in the range of 0.6 μm to less than 1.5 μm.
Dependencies are inferred from the claim text.