Abstract: Antistatic laminate film structures comprising a transparent support structure and an antistatic (AS) layer comprising at least one antistatic component are described herein. The antistatic laminate film structures may comprise a cellulose triacetate support structure, a polyvinyl alcohol polarizing element, and an enhancing or neutral layer.

Abstract: A color photographic element has a reflective support and a blue light sensitive color record, a green light sensitive color record, and a red light sensitive color record can be used to provide color photographic prints. The element also has a non-light sensitive interlayer between the green light and red light sensitive color records. This interlayer comprises a hydrophilic colloid and an acrylic latex polymer having a glass transition temperature (Tg) of less than 0° C. The presence of this acrylic latex polymer in the interlayer reduces the formation of a cyan line defect when the color photographic print is folded or creased, such as in photobooks.

Abstract: Silver halide photographic photosensitive materials are disclosed. A silver halide photographic photosensitive material has a support, and on or above the support, a red-sensitive silver halide emulsion layer, a first interlayer, a green-sensitive silver halide emulsion layer, a second interlayer, and a blue-sensitive silver halide emulsion layer in this order from the support, wherein the first interlayer includes a chelating agent and another silver halide photographic photosensitive material has, in the following order, a support, and provided on or above the support, a first interlayer containing a chelating agent, a blue-sensitive silver halide emulsion layer, a second interlayer, a red-sensitive silver halide emulsion layer, a third interlayer, a green-sensitive silver halide emulsion layer, and a protective layer.

Abstract: A method of manufacturing an electrochromic polyaniline thin film changeable in color in dependency upon the supply of electricity is provided. The method comprises the steps of polymerizing aniline monomer into polyaniline polymer, separating the polyaniline polymer, liquefying the separated polyaniline polymer into a dispersing solution using a mixed surfactant, and dissolving an UV curing adhesive in the dispersing solution, whereby the polyaniline thin film has the ductility and improved adhesion force for an electric substrate, so that it is applicable to development of a flexible display and as a next generation hi-tech material.

Abstract: The present invention relates to a polymerizable liquid crystal composition that includes a polymerizable reactive homeotropic alignment liquid crystal mixture solution and a primary or secondary amino compound, a homeotropic alignment liquid crystal film using the same, and a method for manufacturing the same. According to the present invention, regardless of the alignment film, a stable homeotropic alignment liquid crystal film may be manufactured.

Abstract: The present invention relates to a silver halide color photographic light-sensitive material wherein at least one of light-sensitive silver halide emulsion layers includes a silver halide emulsion having a silver chloride content of at least 95 mol % and a silver iodide content of 0.05 mol % to 0.75 mol % and/or a silver bromide content of 0.05 mol % to 4.00 mol % and further at least one compound represented by the following formula (I): X-(L)n-Y??Formula (I) wherein X represents a group adsorptive to a silver halide, L represents a divalent connecting group comprising one of an atom and an atomic group including at least one of a carbon atom, a nitrogen atom, a sulfur atom and an oxygen atom, Y denotes a reducible group and n denotes an integer of 0 or 1.

Abstract: A silver halide color photographic light-sensitive material having, on a support, at least each one light-sensitive silver halide emulsion layers containing yellow-, magenta-, or cyan-dye-forming-coupler, and at least one light-insensitive hydrophilic colloid layer, wherein at least one of the dye-forming couplers is a dye-forming coupler that forms an azomethine dye having a solubility of 1×10?8 mol/L to 5×10?3 mol/L in ethyl acetate; and an image forming method using the light-sensitive material.

Abstract: The present invention relates to a recording element intended for forming images by inkjet printing having very good colorfastness over time and a good ink drying time. Said recording element comprises a support and at least one ink-receiving layer, said ink-receiving layer comprising at least one hydrosoluble binder and at least one aluminosilicate polymer capable of being obtained according to a preparation method consisting in treating an aluminum halide with an alkyl orthosilicate only having hydrolyzable functions with an aqueous alkali in the presence of silanol groups, the aluminum concentration being maintained at less than 0.3 mol/l, the Al/Si molar ratio being maintained between 1 and 3.6 and the alkali/Al molar ratio being maintained between 2.

Abstract: Mixtures of an alkyl vinyl ether/maleic anhydride copolymer or an alkylethylene/maleic anhydride copolymer with cellulose acetate provide protective overcoats for thermally developable materials. These protective overcoats exhibit good adhesion to the emulsion layer, are physically hard, and have good optical clarity while maintaining the sensitometric properties of the materials.

Abstract: The present invention provides a photothermographic material having, on at least one side of a support, an image forming layer including at least a photosensitive silver halide, a non-photosensitive organic silver salt, a reducing agent, and a binder, and a non-photosensitive layer, wherein the non-photosensitive layer includes at least a polymer matting agent having a refractive index of from 1.51 to 1.56 and a glass transition temperature of 90° C. or higher. A photothermographic material which is excellent in film surface properties and photographic properties is provided.

Abstract: A silver halide color photographic light-sensitive material, in which a non-light-sensitive hydrophilic colloidal layer, on a transmission-type support, contains a solid fine-particle dispersion of a dye represented by formula (I), any one of photographic constituting layers contains a compound represented by formula (A) and/or a compound represented by formula (B) or (FS-2), and the light-sensitive material does not contain any compound represented by formula (C): in formulas (I), (A), (B) and (C), D represents a group to give a compound having a chromophore; X represents a dissociable hydrogen or a group having a dissociable hydrogen; y is an integer from 1 to 7; R1 represents a substituted or unsubstituted alkyl or alkoxy group; R2 and R3 each independently represent a substituted or unsubstituted alkyl group; R4 represents a substituted or unsubstituted alkyl group; M, M1, M2 and M3 each independently represent a cation; n represents an integer of 1 to 7; A and B each independently represent a fluor

Abstract: A silver halide color photosensitive material, wherein the total coating amount of silver of the photosensitive silver halide is 6.0 g/m2 or less in terms of metal silver, and the photosensitivity is the ISO speed of 400 or more, the silver halide color photosensitive material further comprising at least one compound selected from a group consisting of the following type 1 and type 2: (Type 1) Compound which undergoes a one-electron oxidation so as to form a one-electron oxidation product capable of, through subsequent bond cleavage reaction, releasing one or more electrons, (Type 2) Compound which undergoes a one-electron oxidation so as to form a one-electron oxidation product capable of, after subsequent bond formation reaction, releasing one or more electrons.

Abstract: A silver halide photographic light-sensitive material for movie subtitles, includes: a transparent support; and at least one light-sensitive layer and at least one light-insensitive layer, directly or indirectly on the transparent support, wherein the at least one light-insensitive layer comprises at least one kind of a silicone oil.

Abstract: A photothermographic material is disclosed, comprising on one side of a support a light-sensitive layer comprising a light sensitive silver halide, light-insensitive silver salts of aliphatic carboyxlic acids, a reducing agent and a binder resin and a light-insensitive layer and on the other side of the support a light-insensitive layer, wherein the light-insensitive layer on the light-sensitive layer side and the light-insensitive layer on the other side of the support comprises a silicon-containing polymer lubricant and a fluorine-containing compound represented by formula (SF): [Rf-(L1)m1-]p-(L2)n1-(A)q??Formula (SF).

Abstract: An image formation method comprising exposing a photothermographic material 10 having an image-forming layer and a back layer with a light having a wavelength of 700-850 nm and subjecting it to development in a heat development apparatus provided with a preheating section A, a heat development section B and a gradual cooling section C, wherein the photothermographic material 10 has at least one coated layer obtained by applying a coating solution containing 20 weight % or more of an organic solvent, and the heat development section B is provided with heating members 15 on image-forming layer side 10a and back layer side 10b and transportation rollers only on the image-forming layer side 10a with respect to the photothermographic material 10 to be transported in the apparatus. There is provided an image formation method utilizing a photothermographic material, which can form images showing less generation of density unevenness, high contrast and high maximum density without causing physical deformation.

Abstract: A method of processing a photothermographic material by a thermal processor is disclosed, wherein the photothermographic material comprises on one side of a support a light-sensitive layer containing an organic silver salt, silver halide grains, a binder and a reducing agent and a light-insensitive layer and on the other side of the support a back coating layer; the thermal processor uses a transport system in which a feed roller is disposed with being in contact with a bundle of plural stacked film sheets of the photothermographic material so as to feed the uppermost film sheet of the bundle of film sheets through rotation of the feed roller to expose and develop the fed film sheet; the light-insensitive layer or the back coating layer contains a lubricant having a mass average molecular weight of 550 or more.

Abstract: Incorporation of certain compounds into photothermographic materials provides materials with reduced initial image Dmin and improved Raw Stock Keeping film stability without unacceptable loss in sensitometric properties. These compounds include certain e-i) zinc salts of an aryl sulfonic acid or of a fluorinated C2-C6 carboxylic acid, e-ii) non-encapsulated alkali metal salts of an aryl sulfonic acid or of a fluorinated C2-C6 carboxylic acid, and e-iii) fluorinated C2-C6 carboxylic acids.

Abstract: The invention provides a photothermographic material containing an image forming layer having at least a photosensitive silver halide, a non-photosensitive organic silver salt, a reducing agent, and a binder on at least one side of a support, an outermost layer on the same side of the support as the image forming layer, and a non-photosensitive intermediate layer between the outermost layer and the image forming layer, wherein 50% by weight or more of a binder of the non-photosensitive intermediate layer is formed by a hydrophobic polymer latex, the outermost layer has a mean thickness of from 0.1 ?m to 0.45 ?m, and the non-photosensitive intermediate layer has a variation coefficient of a thickness distribution of 50% or less based on a mean thickness of the non-photosensitive intermediate layer. A photothermographic material, which exhibits reduced image unevenness and excellent image storage stability, is provided.

Abstract: A silver salt photothermographic dry imaging material comprising a support having: (i) a photosensitive layer comprising photosensitive silver halide grains, an organic silver salt and a reducing agent for silver ions on one side of the support; and (ii) a backing layer on a side of the support opposite the photosensitive layer, comprising: (a) organic solid lubricant particles having an average diameter of 1.0 to 30 ?m; and (b) inorganic microparticles or organic microparticles.

Abstract: The invention provides an imaging element comprising a support having thereon, in order, at least one imaging layer, at least one interlayer containing a lubricant which provides scratch-resistance and at least one outermost layer containing a different lubricant which provides abrasion-resistance and a method of processing the element. The element has increased durability, especially with regard to scratch- and abrasion- (especially photoabrasion-) resistance, whilst retaining performance and ease of manufacture. Preferably the element is for use in the manufacture of printed circuit boards or the production of printing plates, wherein abrasion and scratches are particularly acute.

Abstract: A method of manufacturing a micro-particle dispersion having a hydrophobic protective colloid comprising the steps of: (a) dispensing micro-particles in a hydrophilic dispersant to form a hydrophilic micro-particle dispersion having the hydrophilic dispersant as a protective colloid, and (b) adding a dispersant to the hydrophilic micro-particle dispersion, the dispersant having a functional group capable of ion bonding with a hydrophilic group of the hydrophilic dispersant.

Abstract: The present invention provides a photothermographic material having, on one side of a support, an image forming layer including at least a photosensitive silver halide, a non-photosensitive organic silver salt, a reducing agent, and a binder, and at least one non-photosensitive layer which is disposed on the same side of the support as the image forming layer and farther from the support than the image forming layer, wherein the non-photosensitive layer includes at least a copolymer latex of an acrylate or methacrylate having a fluorine atom and a monomer component having a hydrophobic group, and the surface of the side having the image forming layer includes convex portions having a height of 1.5 ?m or higher in an amount of from 20 to 2000 per 1 mm2. A photothermographic material which exhibits excellent film physical properties and high image quality is provided.

Abstract: The present invention provides a photothermographic material having, on at least one side of a support, an image forming layer including at least a photosensitive silver halide, a non-photosensitive organic silver salt, a reducing agent, and a binder, and a non-photosensitive outermost layer which is disposed on the same side of the support as the image forming layer, wherein the non-photosensitive outermost layer contains a copolymer having at least the following monomer (M1) and monomer (M2) as copolymerization components, and a maximum surface roughness (Rt) on the image forming layer side is 1.5 ?m or less; wherein monomer (M1) is a monomer having a salt or salt forming group, or a poly(alkylene oxide) group and having an unsaturated bond which performs radical polymerization; and monomer (M2) is a monomer containing a fluorine atom and having an unsaturated bond which performs radical polymerization. An image forming method is also provided.

Abstract: A process for making a direct dispersion of a photographically useful material comprising: mixing (i) an aqueous phase and (ii) a liquid organic phase under conditions of shear or turbulence to form a dispersion of the organic phase dispersed in the aqueous phase; wherein the liquid organic phase comprises one or more photographically useful materials and one or more organic solvents having a boiling point of at least 150° C., a molecular weight less than or equal to 300, and a solvatochromic parameter ? value greater than or equal to 0.50, wherein the weight ratio of the sum of the solvents having a boiling point of at least 150° C., a molecular weight less than or equal to 300, and a solvatochromic parameter ? value greater than or equal to 0.50 to the photographically useful materials does not exceed 0.25.

Abstract: Disclosed is a photothermographic material comprising an image forming layer containing at least a light-sensitive silver halide, a light-insensitive organic silver salt, a reducing agent and a binder and a non-image forming layer on at least one surface of a support, wherein 50% by weight or more of the binder is a hydrophilic binder, the light-sensitive material further comprising a metal phthalocyanine compound represented by the following formula (PC-1): wherein M represents a metal atom, R1, R4, R5, R8, R9, R12, R13 and R16 respectively represent a hydrogen atom or a substituent where at least one of R1, R4, R5, R8, R9, R12, R13 and R16 is an electron attractive group and R2, R3, R6, R7, R10, R11, R14 and R15 respectively represent a hydrogen atom or a substituent.

Abstract: A method for separating photosensitive silver halide particles by precipitation from a dispersion comprising the silver halide particles and a protective colloid of a natural polymer, the method comprising the step of mixing the dispersion with an organic polymer having a logarithm value of n-octanol/water partition coefficient (being a log P value) of 0.8 to 2.0 so as to separate the silver halide particles from the dispersion.

Abstract: A silver halide color photosensitive material comprising at least one layer containing at least one compound selected from a group consisting of the following type 1 and type 2, and at least one layer containing at least one fluorine compound represented by the following general formula (A): (Type 1) Compound which undergoes a one-electron oxidation so as to form a one-electron oxidation product capable of, through subsequent bond cleavage reaction, releasing one or more electrons; (Type 2) Compound which undergoes a one-electron oxidation so as to form a one-electron oxidation product capable of, after subsequent bond formation reaction, releasing one or more electrons; Rf?X-M:??General formula (A) wherein Rf represents an alkyl group having 1 to 6 carbons which is substituted with at least one fluorine atom, X represents a divalent coupling group or a single bond, and M represents an anionic group, a cationic group or a betaine group.

Abstract: The present invention provides a photothermographic material having, on at least one side of a support, an image forming layer including at least a photosensitive silver halide, a first non-photosensitive organic silver salt, a reducing agent, and a binder, and a non-photosensitive layer including a second non-photosensitive organic silver salt that is different from the first non-photosensitive organic silver salt on the same side of the support as the image forming layer and farther from the support than the image forming layer, wherein the photothermographic material further has a non-photosensitive intermediate layer between the image forming layer and the non-photosensitive layer, and 50% by weight or more of a binder in the non-photosensitive intermediate layer is a polymer latex. A photothermographic material, which exhibits improved image storability and improved resistance to image defects, is provided.

Abstract: Thermally developable materials including photothermographic and thermographic materials having a buried conductive backside layer comprising one or more binder polymers, and an antistatic compound that is an organic solvent soluble alkali metal salt of any of a perfluorinated aliphatic carboxylic acid having 2 or 3 carbon atoms, a perfluorinated aliphatic sulfonate, or a tetrafluoroborate, provide antistatic coatings that exhibit little dependence on humidity.

Abstract: A photothermographic material of the present invention comprises: a support; a photosensitive silver halide; a non-photosensitive organic silver salt; a heat developer; a binder; and a fluorine compound containing a specific structure.

Abstract: Incorporation of certain arylboronic acid compounds into photothermographic materials provides materials with reduced initial image Dmin and improved hot-dark Dmin print stability without unacceptable loss in sensitometric properties.

Abstract: This invention relates to a color silver halide photographic element comprising gelatin, a support bearing at least one dye image forming unit selected from a dye image forming unit comprising at least one red sensitive silver halide emulsion layer having associated therewith a dye-forming coupler, a dye image forming unit comprising at least one green sensitive silver halide emulsion layer having associated therewith a dye-forming coupler, and a dye image forming unit comprising at least one blue sensitive silver halide emulsion layer having associated therewith a dye-forming coupler; and a polymer represented by Formula 1.

Abstract: Disclosed is a silver halide photographic light-sensitive material comprising at least one silver halide emulsion layer on a support, which contains a fluorine compound having two or more fluorinated alkyl groups having two or more carbon atoms and 11 or less fluorine atoms and having at least one of an anionic hydrophilic group and a nonionic hydrophilic group, and has a characteristic curve drawn in orthogonal coordinates of logarithm of light exposure (x-axis) and optical density (y-axis) using equal unit lengths for the both axes, on which gamma is 5.0 or more for the optical density range of 0.3-3.0. There is provided a silver halide photographic light-sensitive material that provides high sensitivity, high contrast, favorable half tone dot quality and superior storage stability.

Abstract: The invention provides oil-in-water emulsions comprising recombinant collagen-like polymer in an amount sufficient to act as stabiliser of the emulsion. The polymer is especially a polypeptide which is free of helix structure, has an isoelectric point at least 0.5 pH units removed from the pH of the oil-in-water emulsion. Furthermore, amphiphilic recombinant collagen-like polymers are provided for use in oil-in-water emulsions. The amphiphilic polymers are polar at one end as a result of a relative abundance of polar amino acids, and apolar at the other end as a result of a relative abundance of apolar amino acids.

Abstract: The present invention provides a photothermographic material having: a support and an image-forming layer including a photosensitive silver halide, a non-photosensitive organic silver salt, a reducer, and a binder on at least one surface of the support, wherein the photothermographic material further contains a dye having a half breadth of 100 nm or less at a maximum absorbance peak, and 50 mass % or more of a binder in an outermost layer on a dye-containing surface is a polymer latex.

Abstract: A silver halide light-sensitive photographic element comprising a support having on one side thereof at least one cyan image forming hydrophilic colloid layer comprising a cyan image dye forming coupler, and an outermost protective overcoat layer providing a coefficient of friction of less than 0.20 after standard ECP-2B processing, wherein the ratio of permanent solvent to coupler in the cyan image forming layer is less than 0.8.

Abstract: The invention provides a photothermographic material containing, on a support, an image forming layer having at least a photosensitive silver halide, a non-photosensitive organic silver salt and a reducing agent, and at least one non-photosensitive layer, in which the non-photosensitive layer contains a crosslinking agent precursor, in which the crosslinking agent precursor is a compound which releases a crosslinking agent which crosslinks a binder of the non-photosensitive layer at the time of thermal development. A photothermographic material in which water resistance and scratch resistance of an image have been improved is provided.

Abstract: A photothermographic imaging material comprising a support having thereon, (a) a photosensitive layer containing an organic silver salt, photosensitive silver halide grains, a reducing agent and a binder, (b) a light-insensitive layer, and (c) a protective layer, wherein a weight reducing value from 25° C. to 100° C. by a heat drying weight measurement of the photographic imaging material is not more than 0.4% based on a weight value at 25° C.

Abstract: A silver halide photographic light-sensitive material and an aqueous coating composition, each containing at least one compound represented by formula (1): in which, in formula (1), A1 and A2 each independently represent a hydrogen atom or a fluorine atom, x and y each independently represent an integer of from 1 to 6, L1 and L2 each independently represent —CH2— or —CH2OCH2—, z represents the number of from 1 to 60, R1 and R2 each independently represent a hydrogen atom or a substituent, and R3, R4, R5 and R6 each independently represent a hydrogen atom, a methyl group or a hydroxymethyl group.

Abstract: Disclosed are a method for preparing grains of silver salt of an organic acid by reacting a solution containing silver ions and a solution containing an alkali metal salt of an organic acid, in which the reaction is performed in sealed mixing means and which comprises steps of supplying the solution containing silver ions into a reaction field solution before introduced into the sealed mixing means, and supplying the solution containing an alkali metal salt of an organic acid into the reaction field solution or sealed mixing means to which the solution containing silver ions has been supplied, etc. According to the present invention, high quality grains of silver salt of an organic acid can be efficiently produced at low cost.

Abstract: A silver halide color photographic photosensitive material that has, on a support, at least one yellow color-forming photosensitive silver halide emulsion layer, at least one magenta color-forming photosensitive silver halide emulsion layer, and at least one cyan color-forming photosensitive silver halide emulsion layer, wherein at least one specific yellow or magenta dye-forming coupler and at least one compound represented by formula (Ph) are contained in the same layer: wherein Rb1 represents a specific functional group; and Rb2 to Rb5 each independently represent a hydrogen or halogen atom, or a specific functional group.

Abstract: A silver halide photographic lightsensitive material comprising a support having thereon at least one lightsensitive silver halide emulsion layer, wherein the lightsensitive material contains at least one compound represented by general formula (I) and at least one photographically useful group-releasing compound represented by general formula (II) or (III) that is capable of forming a compound having substantially no contribution to a dye after its coupling with an oxidized form of a developing agent: (X)k-(L)m-(A-B)n ??(I) COUP1-D1 ??(II) COUP2-C-E-D2 ??(III) The definitions of the substituents are set forth in the specification.

Abstract: Disclosed is a silver halide photographic light-sensitive material having a layer containing a compound of the following formula and a fluorine compound, and has a gamma of 5.0 or more for the optical density range of 0.3 to 3.0: wherein R1 is alkyl or alkenyl, R2 are H, alkyl, alkenyl, aralkyl or aryl, l1 is 1–10, m1 is 1–30, n1 is 0–4, a is 0 or 1, and Z1 is OSO3M or SO3M where M is cation.

Abstract: A photothermographic imaging material including an organic silver salt, a binder, a reducing agent, coupler and a main developing agent which forms coloring images by reacting with the coupler, those which are on a support wherein the reducing agent comprises a compound represented by the following Formula (1), the coupler is a compound represented by the following Formula (CP1) and sum of maximum density of colorant images at maximum absorption wavelength formed by the coupler and the main developing agent is 0.01 or more and 0.

Abstract: A photothermographic material comprising, on a support, an image forming layer containing at least a photosensitive silver halide, a non-photosensitive organic silver salt, a reducing agent and a binder, and a non-photosensitive outermost layer at a surface side of the support at which the image forming layer is provided, wherein: 1) the non-photosensitive organic silver salt contains 90% by mole or more of silver behenate; and a binder in the outermost layer contains 50% by weight or more of a hydrophobic polymer latex, 2) the outermost layer contains a polymer latex; and a layer adjacent to the outermost layer contains a binder which can lose fluidity upon a decrease in temperature, or 3) the outermost layer contains a polymer latex; and a coating solution for forming the outermost layer can lose fluidity upon a decrease in temperature.

Abstract: A photothermographic material contains a support having thereon an image forming layer containing a photosensitive silver halide, a non-photosensitive organic silver salt, a reducing agent and a binder, and a non-photosensitive outermost layer on a side of the support where the image forming layer is provided, The photosensitive silver halide contains silver iodide in an amount of from 40 to 100% by mole, and a binder contained in the outermost layer contains at least one of a latex polymer and a water soluble polymer that is not derived from an animal protein in an amount of 50% by mass or more.

Abstract: A silver halide light sensitive photographic element comprising a support bearing at least one cyan image forming hydrophilic colloid layer comprising cyan image dye forming coupler of Formula I and a saturated alcoholic high boiling solvent or mixture of solvents of Formula II: Formula I wherein R1 is an alkyl group, R2 is a ballast group, and X is hydrogen or a coupling-off group; Formula II wherein R3 represents an alkyl group, and R4 and R5 individually represent hydrogen or an alkyl group, or R3 and R4 may be joined to form a cycloalkyl group, provided that the total number of carbon atoms contained in R3, R4, and R5 is at least 10 and that the alcoholic solvent or mixture of solvents of Formula II is liquid at 37° C.

Abstract: The invention relates to a photothermographic material, comprising a photosensitive silver halide, a non-photosensitive organic silver salt, a reducing agent, and a binder on a same surface of a support, wherein the non-photosensitive organic silver salt is the non-photosensitive organic silver salt in a dispersion that has been subjected to an annealing treatment at 30° C. or more.

Abstract: The present invention provides a photothermographic material having an image forming layer including at least a photosensitive silver halide, a non-photosensitive organic silver salt, a reducing agent and a binder, on one surface of a support, and having at least one back layer and a back surface protective layer, on the other surface of the support, wherein a binder of the back surface protective layer contains a water-soluble polymer and a latex polymer having a glass transition temperature of ?30° C. to 40° C.; and an image forming method using the same. The photothermographic material and the image forming method of the invention provide excellent coating property and excellent transportability during thermal development in a thermal developing apparatus.

Abstract: A photothermographic material comprising a support, and an image-forming layer and a non-image-forming layer provided on the support, wherein the image-forming layer comprises a photosensitive silver halide, a non-photosensitive organic silver salt, a reducing agent, and a binder; the non-image-forming layer includes a slipping agent having a melting point of 80° C. to 120° C.; the coefficient (K1) of dynamic friction measured at a velocity of 0.1 cm/sec and the coefficient (K2) of dynamic friction measured at a velocity of 10 cm/sec have a relation represented by formula (1): Formula (1) 1.20>K1/K2>0.90. Also provided is an image-forming method using the photothermographic material.