Abstract: An optical material includes: at least one type of compound of polysilazane and modified polysilazane; and a semiconductor nanoparticle.

Abstract: A method for producing a gas barrier film includes forming a smoothing layer on one surface of a resin substrate; and forming a gas barrier layer containing a carbon atom, a silicon atom and an oxygen atom on a surface of the smoothing layer. The surface of the smoothing layer is controlled to have a dispersion component of a surface free energy in the range of 30 to 40 mN/m at an environment of 23° C. and 50% RH. The gas barrier layer is formed employing a raw material gas containing an organic silicon compound and an oxygen gas with a discharge plasma chemical vapor deposition method having a discharge space between rollers applied with a magnetic field.

Abstract: A method for producing a gas barrier film with excellent gas barrier performance is maintained even in a high-temperature. The high-humidity usage environment properties and the flexibility (bendability) and adhesiveness are excellent. A gas barrier film, and an electronic device using the same is also disclosed.

Abstract: Provided are a gas barrier film which has excellent transparency, surface smoothness, gas barrier property and adhesivity and a manufacturing method thereof, and a substrate for an electronic element using the same. The gas barrier film of the present invention has a sheet substrate which contains a surface-modified cellulose nanofiber in which at least a part of hydrogen atoms in a hydroxyl group in a cellulose nanofiber are substituted with acyl groups each having 1 to 8 carbon atoms and has a content of a matrix resin of 10% by mass or less with respect to the total amount of the cellulose nanofiber and the matrix resin, and a gas barrier layer which is formed on at least one surface of the sheet substrate.

Abstract: An object of the present invention is to provide a planographic printing plate material as well as a printing method in which excellent properties of on-press development, exposure image visualization, scratch resistance, background contamination resistance, and printing durability are exhibited. Disclosed is a planographic printing plate material possessing a hydrophilic layer and an image formation layer provided on a plastic support, wherein the image formation layer contains polyolefin wax having a melting point of 105-120° C. and a melt viscosity of 1-1200 mPa·s, the hydrophilic layer contains spherical silica particles having a particle diameter of 5.0-7.0 ?m, and a content ratio of the spherical silica particles having a particle diameter of 5.0-7.0 ?m is not less than 60% by volume, based on a total volume of particles having a particle diameter of 2-10 ?m contained in the hydrophilic layer.

Abstract: Disclosed is a positive working light sensitive planographic printing plate material comprising an aluminum support and provided thereon, a lower layer and an upper layer in that order, at least one of the upper and lower layers containing a fluoroalkyl group-containing acryl resin, wherein the upper layer contains an alkali soluble resin and a light-to-heat conversion material, and the lower layer contains an alkali soluble resin and an acid decomposable compound represented by the following formula (1),

Abstract: Disclosed is a planographic printing plate material comprising a support and provided thereon, a light sensitive layer containing a resin comprising a residue of a bicyclic heterocyclic compound with a fused bicyclic ring, wherein the fused bicyclic ring contains two or more of —C(?O)— or two or more of —NH— in one ring thereof.

Abstract: Disclosed is a lithographic printing plate material comprising on a support a light-sensitive layer comprising a binder resin, wherein the light sensitive layer comprises a resin containing a group of a cyclic ureido residue derived from a cyclic ureido compound represented by formulas (1), (2), (3), (4) or (5):

Abstract: Disclosed are a printing plate material and a printing method that excel in on-press developability and printing durability and further in environmental aptitude, and an excellent method of collecting a plastic support. There is provided a planographic printing plate material comprising a plastic support and provided thereon, at least an image formation layer, wherein the plastic support is comprised of a resin whose main component is polylactic acid.

Abstract: The invention is to provide a planographic printing plate material providing excellent developability and printing durability and a planographic printing process employing the same, and particularly to provide a planographic printing plate material, which is capable of carrying out on-press development and provides excellent on-press development property and printing durability and a planographic printing process employing the same. The planographic printing plate material comprises a plastic support and provided thereon, a hydrophilic layer and an image formation layer, wherein the hydrophilic layer is a layer formed from an emulsion containing polymer particles with silica.

Abstract: Disclosed are a positive working planographic printing plate material comprising an aluminum support and provided thereon, a light sensitive layer, wherein the light sensitive layer contains an alkali soluble resin and pigment having on the surface a development restrainer and a positive working planographic printing plate material comprising an aluminum support and provided thereon, a lower light sensitive layer and an upper light sensitive layer in that order, each layer containing an alkali soluble resin, wherein at least one of the lower and upper light sensitive layers contains a pigment having on the surface a development restrainer.

Abstract: Disclosed is a planographic printing plate material comprising an aluminum support and provided thereon, a lower layer and an upper layer in that order, wherein the lower layer contains a first alkali soluble resin, the upper layer contains a second alkali soluble resin and a light-to-heat conversion material, the second alkali soluble resin being a modified novolak resin having in the side chain a heterocyclic ring group containing both —(C?O)— and —NH— in the ring or a ureido group represented by the following formula (1), and wherein at least one of the upper and lower layers contains a third alkali soluble resin which is a modified acryl resin having in the side chain a heterocyclic ring group containing both —(C?O)— and —NH— in the ring or a ureido group represented by the following formula (1), —NHCONHR ??Formula (1)

Abstract: Disclosed is a planographic printing plate material comprising a support and provided thereon, a hydrophilic layer containing a light-to-heat conversion material and a thermosensitive image formation layer in that order, wherein the thermosensitive image formation layer contains a latex containing a hydrophobic component and a hydrophilic component as a protective colloid.

Abstract: Disclosed is a planographic printing plate material comprising a support and provided thereon, a hydrophilic layer and a thermosensitive image formation layer in that order, wherein the hydrophilic layer contains metal oxide particles (as light-to-heat conversion materials) having a Mohs hardness of from 6.0 to 10.0 and an average particle size of from 0.12 to 0.40 ?m and silica particles having an average particle size of from 4.0 to 8.0 ?m and a CV of a particle size of from 1 to 10%.

Abstract: An object of the present invention is to provide a planographic printing plate material as well as a printing method in which excellent properties of on-press development, exposure image visualization, scratch resistance, background contamination resistance, and printing durability are exhibited. Disclosed is a planographic printing plate material possessing a hydrophilic layer and an image formation layer provided on a plastic support, wherein the image formation layer contains polyolefin wax having a melting point of 105-120° C. and a melt viscosity of 1-1200 mPa·s, the hydrophilic layer contains spherical silica particles having a particle diameter of 5.0-7.0 ?m, and a content ratio of the spherical silica particles having a particle diameter of 5.0-7.0 ?m is not less than 60% by volume, based on a total volume of particles having a particle diameter of 2-10 ?m contained in the hydrophilic layer.

Abstract: A photothermographic recording material comprising a substrate having thereon a light sensitive layer containing organic silver salt particles, silver halide particles and a reducing agent for silver ions, wherein a layer containing polyvinylidene chloride in an amount of at least 70 weight %, based on the total weight of the layer, is provided on at least one side of the substrate, and a vapor barrier layer containing a latex and a wax is appried on the outermost layer of the light sensitive layer.

Abstract: An silver halide photothermographic light sensitive material comprising a support having thereon a undercoating layer and a photographic light-sensitive layer containing a light-sensitive silver halide, and organic silver salt, a reducing agent and a binder, wherein the undercoating layer contains fine particles having a mean primary particle size of 0.01 to 1.6 &mgr;m and satisfying the following equation, 1≦(r2/r1)≦1.4 wherein r1 and r2 are respectively an inscribed circle radius and a circumscribed circle radius of each of projected images of the fine particles obtained by a microscope, and (r2/r1) is an average value of r2/r1 of projected images of 500 fine particles randomly selected from the whole fine particles.

Abstract: An silver halide photothermographic light sensitive material comprising a support having thereon a undercoating layer and a photothermographic light-sensitive layer containing a light-sensitive silver halide, and organic silver salt, a reducing agent and a binder, wherein the undercoating layer contains fine particles having a mean primary particle size of 0.01 to 1.

Abstract: A polyester film is disclosed, exhibiting a minimum value of not more than 0.15 with respect to the tan &dgr; value obtained at a frequency of 0.01 Hz within the range of 100 to 160° C., the tan &dgr; being determined in a tensile viscoelasticity measurement. A photographic support and photothermographic material using this polyester film are also disclosed, which exhibits superior dimensional stability even when subjected to thermal development at a high temperature and little roll set curl when used in a roll form.

Abstract: A method of preparing a photothermographic material, comprising a support having thereon at least a layer, the method comprising the steps of: coating a coating solution containing an organic silver salt, a photosensitive silver halide and a reducing agent on the support to form a coated material and subjecting the coated material to a thermal treatment at a temperature of 40 to 120° C. under a tension of 0.01 to 30 kg/cm2.