Abstract: Method of preparing solvent-resistant polymer beads sizing 0.5-5 pm and having a glass transition temperature of at least 40.degree. C. by dissolving in a solvent mixture of water and water-miscible polar organic solvent an Alpha, Beta-ethylenically unsaturated monomer (1) capable of forming a polymer that is soluble in the monomer(s) present in said solvent mixture but which is insoluble in said solvent mixture, a monomer (2) carrying COOH group(s), a monomer (3) carrying halogen atom(s), a free radical-forming polymerization initiator, and a graft-polymerizable polymer containing hydrophilic groups, heating the solution obtained to a temperature from 50.degree. C. to the reflux temperature thereof with stirring to form said beads, converting said COOH group(s) by reaction with a hydroxide into a carboxylic acid salt group, and causing said carboxylic acid salt group to react with said halogen atom to form ester cross-linkages. The beads can be used as spacing agents in a sheet or web material.

Abstract: A silver halide color photographic material comprising:a reflective support having thereonat least one light-sensitive silver halide emulsion layer,wherein the reflective support comprises a support substrate covered with a water resisting resin layer,wherein the water resisting resin layer, on the side of the silver halide light-sensitive layer, contains titanium oxide grains in an amount of 14 wt % or more,wherein the photographic material has an optical reflection density of 0.70 or above at 680 nm, andwherein the light-sensitive silver halide emulsion layer contains at least one nondiffusible oil-soluble coupler, which forms a dye on coupling with the oxidation product of an aromatic primary amine color developing agent, dispersed therein together with at least one water-insoluble homo- or copolymer.

Abstract: A photographic paper coated with a polyolefin resin layer on each surface, one of the free surfaces of one of the polyolefin layers bearing a print retaining antistatic layer, the print retaining antistatic layer consisting essentially of an aluminum modified colloidal silica and an antistatic agent in a binder polymer, the binder polymer consisting essentially of an addition product of from about 30 to 78 mol % of an alkyl methacrylate wherein the alkyl group has from 3 to 8 carbon atoms, from about 2 to about 10 mol % of an alkali metal salt of an ethylenically unsaturated sulfonic acid and from 20 to about 65 mol % of a vinyl benzene, the polymer having a glass transition point of from 30.degree. to 65.degree. C.

Abstract: Disclosed is a heat developable light-sensitive material that comprises a support having thereon at least one light-sensitive layer containing a silver halide emulsion, a dye-donating substance and a reducing agent, wherein at least one subbing layer comprised of a hydrophobic polymer is provided between the light-sensitive layer nearlest to the support and the support, and at least one said subbing layer contains a photographic useful reagent.A heat developable light-sensitive material according to this invention, can provide control fogging and raise the maximum density, or can improve the maximum density difference without exerting adverse effects on sensitivity and preservability.

Abstract: A photographic element comprising a paper substrate said paper substrate comprises wood fiber and polyvinyl alcohol polymer located in heavier concentration near the surface of said paper with a polyolefin coating provided on at least one surface, a hydrophilic colloid layer on the polyolefin coating and a light sensitive silver halide emulsion on the hydrophilic colloid layer, said hydrophilic colloid layer comprising from about 20 to 80 percent by weight of a white pigment, and from about 15 to 35 percent by weight of hollow microspheres having a diameter of from about 0.1 to about 1 .mu.m.

Abstract: Disclosed is a silver halide photographic material comprising a silver halide emulsion layer on at least one side of a support and at least one magnetic recording layer on at least one side of the support, and the magnetic recording layer is transparent and comprises a ferromagnetic powder, a silica and alumina co-precipitate on the surface of the ferromagnetic powder, and a binder.

Abstract: There is disclosed a silver halide photographic material having the improved drying, anticurl and pin hole properties. The photographic material comprises (a) a support, (b) at least one silver halide emulsion layer containing hydrophilic colloid as a binder provided on one side of the support (side A), and (c) at least one light-insensitive layer containing hydrophilic colloid as a binder provided on the side of the support opposite from the side with the silver halide emulsion layer (side B), wherein a weight ratio of the hydrophilic colloid contained in the at least one light-insensitive layer on side B to the hydrophilic colloid in the at least one silver halide emulsion layer on side A is 0.3 or greater, and the light-insensitive layer on side B has a water content of 0.2 g or less per gram of hydrophilic colloid after finishing a rinsing step in development processing.

Abstract: Method for making lithographic aluminium offset printing plates according to the DTR-process by photo-exposing a photosensitive monosheet layer assemblage comprising a hydrophilic aluminium foil, a water-swellable intermediate layer comprising a non-proteinic hydrophilic film-forming polymer, and a silver halide emulsion layer, applying an aqueous alkaline solution thereto in the presence of a developing agent and a silver halide solvent, allowing to reduce the photo-exposed silver halide, allowing the unreduced silver halide or complexes thereof to diffuse to said aluminium foil to form a silver image thereon, and separating said emulsion layer and said intermediate layer from the imaged aluminium foil. The invention also relates to the photosensitive monosheet layer assemblage used for making such printing plates.

Abstract: A photographic element comprising a support having thereon at least one layer comprising a polymer obtained by copolymerizing a repeating unit represented by the following general formula (I) and a copolymerizable cellulose derivative represented by the following general formula (II):--A).sub.x (B).sub.y (I)wherein A represents a repeating unit derived from an ethylenically unsaturated monomer having --COOH group, --SO.sub.3 H group or --PO(OH).sub.2 group in the molecular structure; and B represents a repeating unit derived from a copolymerizable ethylenically unsaturated monomer; ##STR1## wherein (R.sup.1)s each independently represents (i) a hydrogen atom, (ii) a monovalent organic bonding group such as an ester group or an ether group or (iii) a monovalent organic bonding group represented by the following general formula (III), with the proviso that (R.sup.1)s do not all hydrogen atom at the same time; and n represents a number of 20 to 800; ##STR2## wherein R.sup.

Abstract: The invention is generally accomplished by forming a translucent display material comprising a substrate and sensitized layers wherein said substrate comprises a paper that has a light transmission rate of greater than 17 percent. It is preferred that the paper have a basis weight of less than 120 grams per square meter that is resin-coated on both sides. The paper of the invention when exposed and developed has a difference between maximum density and minimum density of greater than 2.5. The sensitized layers prior to imaging comprise at least one layer comprising cyan dye-forming coupler, at least one layer comprising magenta dye-forming coupler, and at least one layer comprising yellow dye-forming coupler. In preferred forms, the paper has a basis weight of between 70 and 100 grams per square meter for a balance of translucence and strength. The couplers preferably are present in the following amounts: cyan coupler greater than 0.6 grams per square meter, magenta coupler greater than 0.

Abstract: An improved photographic support, especially useful for color prints, is comprised of a paper base material having thereon a polyolefin coating containing a white pigment and an optical brightener, such as a mixture comprising inclusion compounds of certain fluorescent bis(benzoxazolyl)-stilbenes.

Abstract: An image forming method using a heat developable light-sensitive material is disclosed. The light-sensitive material is lowered in curling caused by humidity changing at room temperature or heating at development. The method comprises the following steps ofimagewise exposing to light a heat developable light-sensitive material comprising a paper support having thereon a subbing layer comprising a hydrophobic resin and a light-sensitive layer being provided on the subbing layer, in which the light-sensitive layer comprises a hydrophilic binder, light-sensitive silver halide grains and a dye providing substance,developing the light-sensitive material be heating,contacting the light-sensitive material with a dye-receiving material, andtransferring a diffusible dye formed in the light-sensitive material to the dye-receiving material in the presence of a solvent. The hydrophobic resin of the subbing layer has a glass transition point of from 30.degree. C. to 250.degree. C.

Abstract: A diffusion transfer color photosensitive material is disclosed, comprising a support having thereon at least light-sensitive silver halides, binders and nondiffusible dye-providing compounds capable of releasing or forming a diffusible dye, corresponding to or counter-corresponding to the progress of conversion of the siliver halide into silver through reductive reaction, which contains as a trapping agent at least one compound represented by the following formula (I) to prevent the generation and/or the transfer of dyes in the white area without causing the lowering of image density:--(A).sub.p --(B).sub.q-- (I)[wherein A represents at least one vinyl monomer unit containing a quaternary ammonium ion associated therewith a counter ion at least 50 mol % of which is constituted by an anion represented by the following formula (II):R--X.sup.- (II)(wherein X.sup.- represents SO.sub.3.sup.- and/or COO.sup.

Abstract: A photographic film which comprises (A) a stretched film of a styrene polymer having a syndiotactic configuration or a composition containing it, wherein thickness is 20 to 500 .mu.m, haze is not more than 3% and moisture expansion coefficient is not more than 1.times.10.sup.-6 /% RH, and (B) a photosensitive layer, which is light and excellent in mechanical properties, is disclosed.

Abstract: A photographic element comprising (A): a photographic film patrone, having one end of a photographic film wound around a spool rotatably provided within the main body of the patrone, said film being delivered through the film outlet of the main body of the patrone to the outside by rotating said spool in the direction of film delivery and (B): a photographic film wherein at least one protective coat layer is provided on a support of said photographic film and said protective coat layer includes a radiation-cured resin.

Abstract: The invention creates a selective oxygen barrier around individual coupler or other photographically active particles by surrounding each particle with a layer of water applicable oxygen barrier polymer such as polyvinyl alcohol (PVA), which will also act as a steric barrier to coalescence of the particles. Photographic products formed with such materials are more dye stable.

Abstract: There is disclosed a method for processing a silver halide color photographic material paper base of which contains at least one of specified sizing agents with a color developer containing a hydroxylamine compound. According to the disclosure edge stain due to penetration of the color developer into the paper base is prevented.

Abstract: A photographic support consisting essentially of a substrate and a resin layer provided on the image forming side of the substrate, said resin layer comprising a specific titanium dioxide pigment and others. This photographic support is excellent in that it has a high brightness and a high apparent whiteness and stability of the apparent whiteness is good; printed image of high sharpness can be formed thereon: and occurrence of die lip stain at production is quite little and thus it has good surface property.

Abstract: A light-sensitive silver halide photographic material is disclosed. The photographic material comprises an antistatic layer comprising a water-soluble electric conductive polymer, hydrophobic polymer particles and a hardener; and a hydrophilic colloidal layer containing a polyhydric alcohol. The photographic material may further comprises an electric conductive layer at the outer than a silver halide emulsion layer from the support, and the hydrophobic polymer particle may contain a dye. The photographic material is suitable for the use of an X-ray recording film.

Abstract: Improved radiation-sensitive elements comprise a support; a radiation-sensitive layer; and an auxiliary layer comprising an absorbing amount of an anionic dye, and a synthetic amphoteric polymer comprising: acrylic acid and N,N-dialkylaminoethyl methacrylate; wherein alkyl=methyl or ethyl, the molar ratio of (a):(b).ltoreq.1:1; said polymer has an isoelectric point of 7.0-11.2; and said polymer is present in said auxiliary layer in an amount sufficient to mordant said anionic dye.

Abstract: A photographic printing paper support is disclosed comprising a base paper having a polyolefin coated on both sides thereof, wherein the base paper is internally sizing-treated with an epoxidized fatty acid amide composition comprising (1) behenic acid or a higher fatty acid mixture having behenic acid as a main component, at least one of diethylenetriamine and triethylenetetramine and (3) epichlorohydrin.

Abstract: A silver halide photographic material having at least one silver halide emulsion layer formed on a base is disclosed said base is a reflective base having an oxygen permeability of no more than 2.0 ml/m.sup.2.hr.atm, at least one of said silver halide emulsion layers is a magenta dye forming layer containing at least one magenta coupler of formula (I) shown below, and the layers positioned above said silver halide emulsion layer with respect to said base have a gelatin content of no less than 3 g/m.sup.2 : ##STR1## wherein Z represents a group of the non-metallic atoms necessary for forming a nitrogen-containing heterocyclic ring, provided that the ring formed by Z may have a substituent; X represents a hydrogen atom or a substituent capable of being eliminated upon reaction with the oxidation product of a color developing agent; and R is a hydrogen atom or a substituent.

Abstract: An imaging base paper is disclosed having a center raw-base cellulose paper, a front layer of polyolefin laminated to the front side of the center raw-base cellulose paper and a rear layer of polyolefin laminated to the rear side of the center raw-base cellulose paper having areas of a higher gloss level in first regions of the rear side of the imaging base paper and having areas of a lower gloss level in second regions of the rear side of the imaging base paper surrounding the first regions. The gloss difference between the first regions and the second regions on the coated paper amounts to from about 20 to 80, as measured with a measuring head under an angle of 60 degrees, according to standard ASTM D 523.

Abstract: A support for photographic printing paper comprising a water resistant support comprising a raw paper with a polyethylene resin coated on both sides thereof, and a back layer provided on the support, wherein the back layer comprises:(a) colloidal silica;(b) an aqueous dispersion of a styrene-acrylate copolymer as obtained by polymerizing in the presence of a water-soluble polymer; and(c) at least one member selected from the group consisting of a water-soluble polymer compound containing a carboxylic group or a sulfone group, or its salt, and a hydrophilic organic polymer colloid.

Abstract: Silver halide photographic materials are disclosed, comprising a support having thereon at least one photosensitive silver halide emulsion layer, wherein at least one layer of said photographic material is formed by polymerizing a film which contains a compound represented by formula (I): ##STR1## wherein X represents --CO--, --COO--, --OCO-- or an arylene group; L represents an alkylene group, an aralkylene group or an arylene group, any of which can optionally have substituents; Y represents --CO--, --SO.sub.2 -- or --NHCO--; m and p each independently represents 0 to 1, provided that when X is ##STR2## m is 1; Z represents --O--, --S-- or ##STR3## R.sub.1 represents a hydrogen atom, an alkyl group, a halogen atom or a cyano group; R.sub.2, R.sub.3 and R.sub.4 represent lower alkylene groups; R.sub.5 represents a hydrogen atom, an alkyl group, an alkenyl group, an aryl group, an aralkyl group, --CO--R.sub.9 or --SO.sub.2 R.sub.9, any of which, other than a hydrogen atom, can optionally have substituents; R.

Abstract: A silver halide photographic material is disclosed, comprising a hydrophilic layer containing a dye dispersed in a solid particle form therein on at least one side of a support and at least one silver halide emulsion layer, wherein the coating weight of hydrophilic colloid in said layer containing a dye dispersed in a solid particle form therein is from 0.05 to 0.5 g/m.sup.2 and the total coating weight of hydrophilic colloid on each side of said support is from 0.5 to 3 g/m.sup.2.

Abstract: A photographic recording material comprising a support, at least one photosensitive silver halide emulsion layer, a protective layer on that side of the at least one silver halide emulsion layer remote from the support and, optionally a backing layer, the protective layer and/or the backing layer containing in combination (a) a polymeric compound (I) containing at least 0.2 mol-% recurring units corresponding to the following formula ##STR1## in which R.sup.1, R.sup.2 and R.sup.3 may be the same of different and represent hydrogen, alkyl or halogen,L is a chemical bond or a standard binding link andX is a reactive group,and (b) a finely divided crystalline SiO.sub.2 dispersion having an average particle diameter (number average) of from 0.7 to 1.2 .mu.m and containing less than 0.2% by volume particles larger than 4 .mu.m in size, are distinguished by good retouchability in combination with good mechanical properties.

Abstract: A plastic film with an antistatic layer and a silver halide photographic light-sensitive material using the film as the support are disclosed. The antistatic layer comprises a water-soluble electric conductive polymer and particles of a hydrophobic polymer, and hardened with a hardening agent. The hydrophobic polymer has an N-methylol or its derivative group, an amino group, an epoxy group, an aziridine group, an active methylene group, a sulfinic acid group, an aldehyde group, a vinylsulfonyl group or a blocked isocyanate group. A silver halide photographic material using the film having the inventive antistatic layer is excellent in layer adhesion and sufficiently protected from static charge even after processing.

Abstract: Polymers comprising recurring units represented by the structure: ##STR1## where R.sup.1, R.sup.2, D, J, Y, a, b, and c are as defined herein are useful for controlling wandering of filter dyes in photographic elements.

Abstract: A photographic support consisting essentially of a substrate and a resin layer provided on the image forming side of the substrate, said resin layer comprising a specific titanium dioxide pigment and others. This photographic support is excellent in that it has a high brightness and a high apparent whiteness and stability of the apparent whiteness is good; printed image of high sharpness can be formed thereon: and occurrence of die lip stain at production is quite little and thus it has good surface property.

Abstract: A photographic paper having a print retaining layer including a granular tooth providing ingredient in a binder polymer having a T.sub.g of 30.degree. to 65.degree. C. which is the addition product of from about 30 to about 98 mol percent of an alkylmethacrylate wherein the alkyl group has from 3 to 8 carbon atoms, from about 2 to about 10 mol percent of an alkali metal salt of a ethylenically unsaturated sulfonic or carboxylic acid, from 0 to about 65 mol percent of a vinyl benzene monomer and from 0 to about 5 mol percent of a crosslinking agent containing two ethylenically unsaturated bonds.

Abstract: Protective overcoat compositions and photographic elements containing same comprise:(a) a water-soluble hydroxylated polymer;(b) a hydrolyzed metal lower alkoxide or mixtures thereof and wherein when said hydrolyzed metal lower alkoxide is a tetrafunctional silicon lower alkoxide said hydrolyzed metal lower alkoxide comprises a mixture of said tetrafunctional silicon lower alkoxide with another hydrolyzed metal lower alkoxide that is not a tetrafunctional silicon lower alkoxide; and(c) a fluoroalkyl polyether surface active agent. The overcoat is transparent and flexible and provides protection against scratches and abrasion.

Abstract: A silver halide photographic light-sensitive material is disclosed, which is suitable for contact printing in photomechanical process and capable of being handled in day-light room. The light-sensitive material comprising a support; a silver halide emulsion layer being provided on a surface of the support and containing a tetrazolium compound or a hydrazine compound; a layer containing a tin oxide or an indium oxide and being provided on the surface of the support opposite to the surface the emulsion layer provided thereon; and a layer containing a homopolymer or a copolymer comprising sodium styrenesulfonate, and being provided directly or through an intermediate layer on the surface of the metal oxide containing layer further to the support. The light-sensitive material is excellent in reverse-text quality and inhibited in formation of pin-holes.

Abstract: An element useful for recording images using nonimpact type printing is described. This element is preferably comprised of a transparent support having an antistatic layer coated on one side and a print receptive layer coated on the other. In another embodiment another print receptive layer can be present over the antistatic layer. The print receptive layer is a novel combination of binder, crosslinking agent, whitener, and matte agent. Excellent, hard, sharp images are produced using conventional nonimpact printing devices such as ink jet, pen plotters and electrostatic imaging.

Abstract: A silver halide photographic material which comprises a support having thereon at least one hydrophilic colloid layer, wherein the hydrophilic colloid layer comprises (a) a binder comprising a dextran having a molecular weight of at least 100,000 and (b) an ionic polymer.

Abstract: A one-part coating composition for the backside of photographic prints and photographic prints so coated are described. The white coating is reflective, flexible, and water resistant.

Abstract: For an optical data storage system employing a data-modulated writing laser beam, optical media are described which include a highly reflective aluminum layer, a relatively transparent polymer spacer layer overlying the reflective layer and an optical absorber (recording) layer overlying the spacer layer,--plus an overcoat structure including a "soft pad" layer (e.g., fluoropolymer) on and/or under the absorber plus a "hard" overcoat layer (e.g., radiation-cured acrylic) laid over the "soft pad" as an outer protective overcoat.

Abstract: A silver halide black and white photographic material for printing a developed transparent color photographic material is disclosed, which comprises a support having thereon at least one light-sensitive silver halide emulsion layer, wherein the emulsion layer is composed of a silver halide emulsion which maintains a spectral sensitivity substantially between 520 nm and 620 nm and contains substantially no iodine.

Abstract: A silver halide photographic material which comprises a support having provided thereon at least one silver halide emulsion layer and at least one layer comprising a polymer containing a group which can be dissociated to form a cation in a fixer, wherein a layer containing substantially no silver halide grains is provided between the layer comprising the polymer and the silver halide emulsion layer. The photographic material exhibits a high fixing speed and is substantially free from surface defects such as streaking and acne.

Abstract: Provided is a process and solvent solution for coating an aza-annulene chromophore containing film directly onto a polycarbonate or polymethylmethacrylate comprising base. In the process, a solution of the chromophore, e.g., phthalocyanine, porphyrin or naphthalocynine, is cast directly onto the polycarbonate or polymethylmethacrylate base, with the solvent used in formulating the solution comprising a C.sub.5 -C.sub.7 cyclic alcohol, or a mixture of solvents including at least one of the aforementioned alcohols. The solvent is then removed, preferably by evaporation, in order to yield a smooth, homogeneous chromophore containing film directly on the polycarbonate or polymethylmethacrylate comprising base.

Abstract: A negative type silver halide photographic material is disclosed, which comprises a support having thereon at least one silver halide emulsion layer and at least one other hydrophilic colloidal layer, wherein at least one said silver halide emulsion layer or at least one said other hydrophilic colloidal layer contains a hydrazine derivative and a polyacrylamide derivative.

Abstract: A double-side resin coated photographic support obtained by coating at least one polyolefin resin layer on a photographic emulsion layer side, an outermost polyolefin resin layer having a center line average surface roughness of 1.0 .mu.m or less, and passing the resulting resin coated base sheet between a cooling roll and a back-up roll under a special linear pressure is free from surface defects and excellent in surface smoothness.

Abstract: The present invention provides a photographic element comprising a dimensionally stable hydrophobic transparent polyester film support, at least one light-sensitive silver halide emulsion layer, and at the side of said support opposite to that of said emulsion layer(s), a subbing layer essentially consisting of poly-N-vinyl pyrrolidone, and an antihalation layer comprising carbon black dispersed in a water-insoluble alkali-soluble copolymer of 1 to 65% by weight of a C.sub.1 -C.sub.4 alkyl methacrylate, 10 to 79% by weight of a C.sub.1 -C.sub.8 alkyl acrylate, and 10 to 50% by weight of acrylic acid or methacrylic acid.

Abstract: Color images with improved Dmin/Dmax-relationship can be obtained from color photographic recording materials comprising color providing compounds in association to silver halide emulsion layers and comprising an additional binder in said silver halide emulsion layers or in adjacent non-lightsensitive layers a polymer having recurring structural units of a polymerized monomer which contains at least one urethane and/or urea group.

Abstract: A silver halide photographic light-sensitive material is disclosed, which is suitable for contact printing in photomechanical process and capable of being handled in daylight room. The light-sensitive material comprises a support having thereon a silver halide emulsion layer containing a silver halide emulsion and a hydrazine compound or a tetrazolium compound, a layer being provided on the surface of said emulsion layer farther from said support and containing a compound having a maximum spectral absorption at a wavelength of at least 50 nm longer than that of the maximum spectral sensitivity of said silver halide emulsion, and a layer being interposed between said support and said emulsion layer and containing a macromolecular compound having a heterocyclic group having a sulfo group or an alkylsulfo group. The light-sensitive material is excellent in reverse-text quality and inhibited in formation of pin-holes.

Abstract: A silver halide photographic material composed of a polyester film support having thereon at least one hhydrophilic colloid layer containing a polymer latex; and between the support and the hydrophilic colloid layer a layer containing a vinylidene chloride copolymer core-shell latex; at least one hydrophilic colloid layer of the material being a light-sensitive silver halide emulsion layer. The photographic material has superior dimensional stability after processing.

Abstract: A silver halide photographic material which comprises a support having a subbing layer containing an aqueous polymer latex represented by the following formula (I), which has a cross linked structure: ##STR1## wherein A represents an ethylenic unsaturated monomer unit; R.sub.1 represents a hydrogen atom or a lower alkyl group having from 1 to 6 carbon atoms; L represents a divalent group having from 1 to 12 carbon atoms; R.sub.2, R.sub.3 and R.sub.4, which may be the same or different, each represents an alkyl group, an aralkyl group or a hydrogen atom; Q represents nitrogen or phosphorus; X-represents an anion other than iodine ion; and B represents a structural unit in which copolymerizable monomers having at least two ethylenic unsaturated groups have been copolymerized: x is selected to constituted from 0 to 90 mol%; y is selected to constitute from 10 to 99.9 mol%; z is selected to constitute from 0.1 to 50 mol%; and R.sub.2, R.sub.3 and R.sub.

Abstract: A silver halide photographic light-sensitive material, and a method of preparing the same and a method of image forming using the same photographic material. The photographic material comprises a support bearing, on one side thereof, a layer containing a light-sensitive silver halide emulsion comprised of silver halide grains having an average size of from 0.05 .mu.m to 0.3 .mu.m and gelatin and, on the other side thereof, a non-light-sensitive layer containing gelatin and at least one of the emulsion layer and the non-light-sensitive layer is brought into contact with air having a temperature of from 35.degree. C. to 80.degree. C. or relative humidity of from 5% to 25% for a period not shorter than 5 seconds to not longer than one minute, within 5 minutes from the point of time when the average surface temperature of said layer is raised up to a temperature 1.degree. C.

Abstract: A thermally processable imaging element having a hydrophobic imaging layer, an adhesion promoting polymer layer and an overcoat layer comprising poly(silicic acid) provides improved adhesion of the overcoat layer during thermal processing. The adhesion promoting layer comprises a terpolymer that promotes adhesion between the hydrophobic imaging layer and the overcoat layer without adversely affecting sensitometric properties of the imaging element. The adhesion promoting layer is useful in photothermographic and thermographic elements and processes.

Abstract: A light-sensitive material comprising a light-sensitive layer containing silver halide, a reducing agent and an ethylenic unsaturated polymerizable compound provided on a paper support. The paper support comprises a coating layer containing a hydrocarbon resin provided on a base paper sheet, and the paper support has a low water absorptiveness of not more than 1 g/m.sup.2 on the surface of the coating layer on which the light-sensitive layer is provided. The water absorptiveness being a value measured according to the Cobb test method.