Abstract:
A lithographic printing plate precursor having excellent printing durability, staining resistance and developability as well as processes for preparing lithographic printing plates therefrom. The lithographic printing plate precursor may comprise a primer layer and an image-recording layer in this order in a substrate, wherein the primer layer comprises a polymer containing a repeat unit having a carbon-carbon backbone, a —C(═O)— group directly attached thereto, a —C(═O)—NR0 — group, a carboxyl group or a salt thereof, and an ethylenically unsaturated bond.
Abstract:
Provide is a lithographic printing plate precursors having excellent printing durability, staining resistance and developability as well as processes for preparing lithographic printing plates therefrom.A lithographic printing plate precursor comprising a primer layer and an image-recording layer in this order in a substrate, wherein the primer layer comprises a polymer containing a repeat unit having a carbon-carbon backbone, a —C(═O)— group directly attached thereto, a —C(═O)—NR0— group, a carboxyl group or a salt thereof, and an ethylenically unsaturated bond.
Abstract:
A lithographic printing plate precursor includes an image-recording layer and a protective layer containing a stratiform compound, wherein at least one of the image-recording layer and the protective layer contains a polymer containing as a repeating unit, a structural unit having an ammonium structure.
Abstract:
A lithographic printing plate precursor includes a support and a layer containing a polymer compound having at least one support-adsorbing group at a terminal of a main chain.
Abstract:
A lithographic printing plate precursor includes: a support having a surface, a contact angle of water droplet in air on which is 70° or more; and a photosensitive layer, wherein the support has, on a surface of the support, a compound having a functional group X, the functional group X is a functional group capable of forming a chemical bond with a compound having a functional group Y which can interact with the functional group X, when the functional group X is brought into contact with the compound having a functional group Y, to adsorb the compound having a functional group Y on the surface of the support so as to decrease the contact angle of water droplet in air on the surface of the support to 30° or less.
Abstract:
A lithographic printing plate precursor comprising: an aluminum support having a hydrophilic surface; and a photosensitive layer comprising a binder polymer having an acid value of 0.3 meq/g or less, wherein the photosensitive layer comprises a pigment dispersed with a pigment dispersant which is free from a —COOH group, a —PO3H2 group and a —OPO3H2 group.
Abstract translation:一种平版印刷版原版,包括:具有亲水表面的铝载体; 以及包含酸值为0.3meq / g以下的粘合剂聚合物的感光层,其中感光层包含分散有不含-COOH基的颜料分散剂的颜料,-PO 3 H 2基和-OPO 3 H 2基 。
Abstract:
A method for preparing a lithographic printing plate includes treating a lithographic printing plate precursor including a hydrophilic support and an image-forming layer containing the following (i) to (iii) with an aqueous solution having a buffering ability: (i) a binder polymer comprising a repeating unit having a structure represented by the following formula (1); (ii) an ethylenically unsaturated compound; and (iii) a polymerization initiator, P-L-(CO2H)n (1) wherein P represents a part constituting a main chain skeleton of the polymer, L represents an (n+1) valent connecting group, and n represents an integer of 1 or more.
Abstract:
A lithographic printing plate precursor which is capable of undergoing on-press development by supplying at least one of printing ink and dampening water and includes a support and an image-recording layer, wherein the image-recording layer contains at least one of compounds represented by the formulae (1) to (3) as defined herein.
Abstract:
A curable composition in which polymerization inhibition due to oxygen is suppressed and which may be cured with high sensitivity by exposure to laser light or the like is provided. The curable composition includes: a polymerizable compound having an ethylenically unsaturated bond; a binder; a radical polymerization initiator; and at least one specific amine compound. Also provided is an image forming material and a negative-working planographic printing plate precursor including the curable composition.
Abstract:
To provide a process for making a lithographic printing plate that exhibits safety, and excellent developability and processing capacity in single solution processing using a processing solution having a pH in a weakly alkaline region, and preferably a pH of 8.5 to 10.5. A process for making a lithographic printing plate, the process including a preparation step of preparing a lithographic printing plate precursor having above a hydrophilic support an image-forming layer that contains an infrared-absorbing agent, a polymerization initiator, an ethylenically unsaturated compound, and a binder polymer, an exposure step of imagewise exposing the lithographic printing plate precursor, and a processing step of processing the imagewise exposed lithographic printing plate precursor using a processing solution containing carbonate ion, bicarbonate ion, and a water-soluble polymer compound.