Patent application number | Description | Published |
20090233229 | LITHOGRAPHIC PRINTING PLATE PRECURSOR AND METHOD OF LITHOGRAPHIC PRINTING - A lithographic printing plate precursor is provided that, using laser exposure, exhibits an excellent capacity for plate inspection, an excellent on-press development performance or gum development performance, and an excellent scumming behavior, while maintaining a satisfactory printing durability. There is also provided a method of lithographic printing that uses this lithographic printing plate precursor. The lithographic printing plate precursor comprises an image recording layer having (A) a nonionic polymerization initiator that contains at least two cyclic imide structures, and (B) a compound that has at least one addition-polymerizable ethylenically unsaturated bond. | 09-17-2009 |
20120219911 | LITHOGRAPHIC PRINTING PLATE PRECURSOR AND PLATE MAKING METHOD THEREOF - A lithographic printing plate precursor includes, in the following order: a support; an image-recording layer which is capable of forming an image by removing an unexposed area of the image-recording layer with at least one of printing ink and dampening water on a printing machine after exposure and contains an infrared absorbing dye, a polymerization initiator, a polymerizable compound and a binder polymer having an alkylene oxide group; and a protective layer containing a hydrophilic polymer which contains at least a repeating unit represented by the formula (1) as defined herein, a repeating unit represented by the formula (2) as defined herein, and a repeating unit represented by the formula (4) as defined herein, and in which a content of the repeating unit represented by the formula (4) is from 0.3 to 5.0% by mole based on total repeating units of the hydrophilic polymer. | 08-30-2012 |
20130011791 | COLORING PHOTOSENSITIVE COMPOSITION, LITHOGRAPHIC PRINTING PLATE PRECURSOR AND PLATE MAKING METHOD - To provide a coloring photosensitive composition and a lithographic printing plate precursor, ensuring that coloring stability after exposure by infrared laser exposure is good and high coloring is obtained even when exposed after the elapse of time. | 01-10-2013 |
20130017485 | LITHOGRAPHIC PRINTING PLATE PRECURSOR AND METHOD OF PRODUCING THEREOFAANM Fujiki; YuzoAACI Haibara-gunAACO JPAAGP Fujiki; Yuzo Haibara-gun JPAANM Suzuki; ShotaAACI Haibara-gunAACO JPAAGP Suzuki; Shota Haibara-gun JP - To provide a lithographic printing plate precursor which is excellent in the gum development property, running processing property and scratch resistance and a lithographic printing plate precursor which is good in all performances of the on-press development property, ink receptivity, sensitivity and printing durability, and a method of producing thereof. A lithographic printing plate precursor has a support, an image-recording layer containing a radical polymerization initiator and a radical polymerizable compound, and an overcoat layer containing a polymer resin which has a cloud point in an aqueous solution and includes a monomer unit containing at least any of an amino group and an amido bond, in this order. | 01-17-2013 |
20140208971 | LITHOGRAPHIC PRINTING PLATE PRECURSOR AND METHOD FOR PRODUCING LITHOGRAPHIC PRINTING PLATE - A lithographic printing plate precursor includes a photosensitive layer and a protective layer in this order on a support, the photosensitive layer contains a sensitizing dye, a polymerization initiator, a polymerizable compound and a binder polymer, and the protective layer contains a polymer which has a repeating unit represented by the formula (1) as defined herein and a repeating unit represented by the formula (2) as defined herein in which a sum of the repeating unit represented by the formula (1) and the repeating unit represented by the formula (2) is 90% by mole or more based on total repeating units constituting the polymer. | 07-31-2014 |
20150198885 | LITHOGRAPHIC PRINTING PLATE PRECURSOR AND PLATE MAKING METHOD - A lithographic printing plate precursor includes a support and an image-recording layer containing (A) an infrared absorbing agent, (B) a sulfonium salt, (C) a polymerizable compound, and (D) a binder polymer, the sulfonium salt (B) has a triarylsulfonium structure having three or more electron-withdrawing groups as substituents, and at least one aryl group constituting the triarylsulfonium structure has at least one of the electron-withdrawing groups and at least one group selected from the group consisting of a hydrocarbon group having from 4 to 12 carbon atoms, a group wherein a hydrocarbon group having from 4 to 12 carbon atoms is connected to an oxygen atom or a sulfur atom, and an ethylene oxide group having a repeating unit number of from 1 to 3. | 07-16-2015 |
20150360498 | INFRARED SENSITIVE COLOR-FORMING COMPOSITION, INFRARED CURABLE COLOR-FORMING COMPOSITION, LITHOGRAPHIC PRINTING PLATE PRECURSOR AND PLATE MAKING METHOD - The invention is directed to an infrared sensitive color-forming composition containing a compound having an infrared absorbing skeleton and a thermochromic skeleton in a molecule thereof wherein the infrared absorbing skeleton and the thermochromic skeleton are connected with a covalent bond or an ionic bond and a binder; an infrared curable color-forming composition wherein the infrared sensitive color-forming composition further contains a radical initiator and a polymerizable compound; a lithographic printing plate precursor having an image-recording layer containing the infrared curable color-forming composition on a support; a plate making method including imagewise exposing the lithographic printing plate precursor and conducting on-press development processing by supplying printing ink and dampening water on a printing machine to remove a non-image area; a compound represented by the formula (7) as defined herein; and a compound represented by the formula (8) as defined herein. | 12-17-2015 |