| 摘要 |
A heat-sensitive lithographic printing plate precursor comprising a support having provided thereon (A) an ink-receiving layer and (B) a hydrophilic layer comprising 80 to 99 parts by weight of a colloidal particulate oxide or hydroxide of at least one element selected from a group consisting of beryllium, magnesium, aluminum, silicon, titanium, boron, germanium, tin, zirconium, iron, vanadium, antimony and a transition metal, and 1 to 20 parts by weight of a polyacrylic acid having a weight-average molecular weight of more than 50,000, and at least one of the ink-receiving layer and the hydrophilic layer including a light-heat converting agent.
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