Abstract: To provide an inkjet recording head in which a high ink repelling property is kept even against the repeated use and which is excellent in film strength and abrasion resistance and is excellent with respect to printing quality of the resulting image, the inkjet recording head includes a nozzle having: a hole for discharging a recording liquid including an ink; and a portion capable of repelling the ink at the periphery of the hole, wherein the portion includes a cured film formed from a composition having a block copolymer, and the block copolymer includes: a block polymer having a fluorine-containing polymer; and a block polymer having a repeating unit having a siloxane structure.

Abstract: To provide an antireflection film which is easily and inexpensively producible and which has an antireflection property, a scratch resistance and a stain resistance in a sufficient level, and a polarizing plate and a liquid crystal display device utilizing the antireflection film of such excellent ability, the antireflection film includs a transparent support and a low-refractive index layer having a lower refractive index than the transparent support, wherein the low-refractive index layer is an outermost layer, and the low-refractive index layer contains a hollow silica particle and a compound that reduces a surface free energy of the outermost layer.

Abstract: To provide an inkjet recording head in which a high ink repelling property is kept even against the repeated use and which is excellent in film strength and abrasion resistance and is excellent with respect to printing quality of the resulting image, the inkjet recording head includes a nozzle having: a hole for discharging a recording liquid including an ink; and a portion capable of repelling the ink at the periphery of the hole, wherein the portion includes a cured film formed from a composition having a block copolymer, and the block copolymer includes a unit A and a unit B, wherein the unit A represents a block polymer (A) having at least one of a fluorine-containing polymer and a siloxane-containing polymer having a specific structure; and the unit B represents a block polymer (B) having a polyester polymer.

Abstract: To provide an inkjet recording head which is excellent in water repellency and wearing resistance and attains high printed-image quality, the inkjet recording head includes a nozzle having: a hole for discharging a recording liquid including an ink; and a portion capable of repelling the ink at the periphery of the hole, wherein the portion contains a crosslinked resin formed from a polymerizable composition having a fluorine-containing polymerizable polymer, and the fluorine-containing polymerizable polymer has: a first structural unit having a fluorine atom; and a second structural unit having a radical-polymerizable group.

Abstract: A high refractive index layer excellent in weatherability or optical properties and durability, an antireflection film having the layer, a polarizing plate having the antireflection film, and an image display device using thereof are provided, each of which is a high refractive index layer or film which contains specific fine particles of a high refractive index composite oxide containing a titanium element or a bismuth element; a production process of a curable coating composition which contains specific fine particles of a high refractive index composite oxide containing a bismuth element; an antireflection film using thereof; a polarizing plate and an image display device using thereof.

Abstract: A desensitizing treatment liquid for offset printing plates, which contains a compound represented by formula (I) wherein ? represents —PO3H2, —OPO3H2, or the salt thereof and R1 represents an organic residue which may have a substituent. The desensitizing treatment liquid gives no problems to environmental pollution, is stable to the long-period storage and the continuous use, can shorten the etching treatment time, and is excellent in the desensitizing treatment ability as well as can provide an offset printing plate having a good reproducibility of highly minute images of a middle tone, screen tint, etc., and capable of printing without forming scumming at the non-image area.

Abstract: To provide an inkjet recording head which is excellent in water repellency and wearing resistance and attains high printed-image quality, the inkjet recording head includes a nozzle having: a hole for discharging a recording liquid including an ink; and a portion capable of repelling the ink at the periphery of the hole, wherein the portion contains a crosslinked resin formed from a polymerizable composition having a fluorine-containing polymerizable polymer, and the fluorine-containing polymerizable polymer has: a first structural unit having a fluorine atom; and a second structural unit having a radical-polymerizable group.

Abstract: To provide an inkjet recording head in which a high ink repelling property is kept even against the repeated use and which is excellent in film strength and abrasion resistance and is excellent with respect to printing quality of the resulting image, the inkjet recording head comprises a nozzle having: a hole for discharging a recording liquid including an ink; and a portion capable of repelling the ink at the periphery of the hole, wherein the portion comprises a cured film formed from a composition comprising a block copolymer, and the block copolymer comprises a unit A and a unit B, wherein the unit A represents a block polymer (A) comprising at least one of a fluorine-containing polymer and a siloxane-containing polymer having a specific structure; and the unit B represents a block polymer (B) comprising a polyester polymer.

Abstract: To provide an inkjet recording head in which a high ink repelling property is kept even against the repeated use and which is excellent in film strength and abrasion resistance and is excellent with respect to printing quality of the resulting image, the inkjet recording head comprises a nozzle having: a hole for discharging a recording liquid including an ink; and a portion capable of repelling the ink at the periphery of the hole, wherein the portion comprises a cured film formed from a composition comprising a block copolymer, and the block copolymer comprises: a block polymer comprising a fluorine-containing polymer; and a block polymer comprising a repeating unit having a siloxane structure.

Abstract: A film-forming composition comprising (a) a block copolymer that comprises: at least a polymer block [A] containing a specific fluorine-containing alicyclic structure; at least a polymer block [B] containing a specific siloxane structure; and a repeating unit (H) having at least one reactive group capable of being involved in crosslinking reaction, the repeating unit (H) being in at least one of the polymer block [A] and the polymer block [B], and (b) at least one of a curing agent and a curing accelerator.

Abstract: A method of lithographic printing is disclosed, which includes forming an image based on signals of image data directly on a printing plate precursor mounted on a plate cylinder of a printing press, thereby preparing a printing plate, and conducting lithographic printing, wherein the formation of the image on the printing plate precursor is carried out by an ink jet recording method in which oil-based ink is ejected utilizing an electrostatic field.

Abstract: An ink jet printing method which comprises: directly forming an image on a printing medium on the basis of signals of image data; and fixing the image to produce a printed matter, wherein said image formation is carried out by an ink jet system of ejecting an oily ink by an electrostatic field. The method preferably further comprises cleaning an ink jet head, said cleaning step comprising: immersing said ink jet head in a cleaning solution; and applying voltage to said ink jet head. Alternatively, the method preferably further comprises, when a malfunction happens, either or both of stopping the image formation and eliminating a cause of the malfunction. Also disclosed are printing apparatuses suitably used for these methods.

Abstract: An on-press recording type lithographic printing method comprising mounting a plate material on a plate cylinder of a press, ejecting an oil-based ink onto the plate material from a recording head having a plurality of ejection channels utilizing an electrostatic field according to signals of image data to directly form an image on the surface of the plate material and prepare a printing plate, and then effecting the lithographic printing using the printing plate as it is, wherein the distance of the ejection channels is 170 &mgr;m, or more (150 dpi (150 dots per inch) or less as calculated in terms of resolution of recorded image).

Abstract: A direct drawing type lithographic printing plate precursor comprising a water-resistant support and an image-receiving layer, the image-receiving layer comprising a filler and a binder resin, wherein the filler comprises a porous filler, and the binder resin comprises a complex comprising a resin containing a bond in which a metal atom is connected with an oxygen atom and an organic polymer containing a group capable of forming a hydrogen bond with the resin.

Abstract: A direct drawing type lithographic printing plate precursor comprising a water-resistant support having provided thereon, an image-receiving layer comprising inorganic particles and a binder resin. The combination of an inorganic particles is made up of at least one kind of metal sulfide particle having an average particle size of sum 0.01 to 5 &mgr;m and at least one kind of particle which may be a metal oxide particle having an average particle size of sum 0.01 to 5 &mgr;m or a metal oxide hydrate having an average particle size of 0.01 to 5 &mgr;m. The binder resin is a complex composed of a resin containing a siloxane bond.

Abstract: A desensitizing treatment liquid for offset printing plates, which contains a compound represented by formula (I) 1

Abstract: A printing process for preparing a printed matter comprising: forming an image on the surface of an image carrier by an ink jet method comprising ejecting an oil-based ink using electrostatic field based on signals of image data; and contact-transferring the image formed on the image carrier onto a printing medium to prepare a printed matter. Also disclosed is a printing apparatus suitable for the process.

Abstract: A process for preparing an ink-jet system printing plate, wherein in a planographic printing plate precursor having an image receiving layer containing zinc oxide and a binder resin on a water-resistant support, the surface of the image receiving layer has a water-contact angle of 50° or more, and image formation is carried out according to a hot melt type ink-jet system by heat melting an ink composition that is solid at ordinary temperature and spraying the droplets of the ink composition in a heat melt state from a nozzle onto the image receiving layer, and a nonimage area of the image receiving layer is then subjected to a desensitizing treatment by a chemical reaction to prepare a planographic printing plate.

Abstract: A process for preparing an ink-jet system printing plate, wherein an image is formed according to a hot melt type ink-jet system by heat-melting an ink composition that is solid at ordinary temperature, spraying droplets of the ink composition in a hot melt state from nozzles onto an intermediate transferrer to form an image, and contact-transferring the image on the intermediate transferrer to an image receiving layer of a planographic printing plate precursor, the image receiving layer being provided on a water-resistive support and containing zinc oxide and a binder resin, and thereafter, a nonimage area of the image receiving layer is desensitized by chemical reaction treatment to prepare a planographic printing plate.

Abstract: A method for the preparation of a lithographic printing plate comprises exposing imagewise a lithographic printing plate precursor comprising a support having provided thereon a light-sensitive layer containing fine anatase-type titanium oxide grains and a complex composed of an organo-metallic polymer and an organic polymer containing at least one member selected from the group consisting of an amido bond, a urethane bond, a ureido bond and a hydroxy group to an ultraviolet ray to render a surface of the light-sensitive layer hydrophilic in the exposed area. A lithographic printing plate prepared according to the method is also disclosed.