Abstract: A heat-sensitive recording paper is disclosed. The paper is comprised of a support base having a heat-sensitive color forming layer coated thereon. The color forming layer contains color forming components comprising an almost colorless electron donating dye and an organic acid capable of forming color when contacted with the dye. The color forming layer is coated with a coating layer containing polyvinyl alcohol and boric acid. Due to the existence of the coating layer the recording paper has substantial resistance to decrease the recording density and occur the fog by various chemicals and oils.

Abstract: A process for preparing a color proofing sheet is disclosed. The process comprises imagewise exposing a light-sensitive image-forming material comprising a transparent support having provided thereon a dye- or pigment-containing light-sensitive photoresist composition layer or both a dye- or pigment-containing colorant layer and a light-sensitive photoresist composition layer through a color separation mask, developing the material to form a color separation image, transferring the color separation image onto a photopolymerizable image-receiving layer, transferring in registration at least one more color separation image onto the same image-receiving layer to obtain a multicolored color proofing sheet on a single support, and totally exposing the image-receiving layer after the image transfer in an amount sufficient to induce photopolymerization thereof.

Abstract: A thermal recording element comprising a support having formed thereon a recording layer, a first protective layer comprising an organic high molecular weight material having a softening point below about 70.degree. C. formed on the recording layer, and a second protective layer comprising an organic high molecular weight material having high mechanical strength.

Abstract: A light-sensitive image-forming material which comprises a support having provided thereon a first layer comprising at least one alcohol-soluble polyamide resin and, on said first layer, a second layer comprising a light-sensitive photoresist composition, said layer containing said alcohol-soluble polyamide resin containing one or more polymers having one or more of a free carboxy group(s), one or more of a phenolic hydroxy group(s) or a maleic anhydride group in a proportion of about 0.1:9.9 to 6:4 by weight to said polyamide resin.

Abstract: A thermal recording material possessing high sensitivity which comprises a support having thereon in sequence a subbing layer, a recording layer and optionally, a protecting layer in which the subbing layer contains a composition comprising (A) 100 parts by weight of chlorinated polyolefin having a chlorine content of about 30% by weight or more and (B) 1 part to 100 parts by weight of aminoalkylalkoxysilane compound represented by the following general formula (I): ##STR1## wherein R.sup.1 represents an amino group or a H.sub.2 N--R.sup.5 --NH-- group; R.sup.2 and R.sup.5 each represents a polymethylene group having 1 to 2 carbon atoms or a straight or branched chain alkylene (alkanediyl) group having 3 to 5 carbon atoms, and may be the same or different; R.sup.3 represents a straight or branched chain alkyl group having 1 to 5 carbon atoms; m represents 2 or 3; R.sup.4 represents a straight or branched chain alkyl group having 1 to 5 carbon atoms or an R.sup.1 --R.sup.

Abstract: A thermal recording element comprising a support, a recording layer formed thereon and a chlorinated polyolefin layer formed on said recording layer.

Abstract: An image forming material comprising a support having thereon a layer composed of a Ge-S composition or a Ge-S-X composition wherein X represents at least one element selected from the group consisting of Al, Si, Mg, Ti, V, Mn, Co, Ni, Sn, Zn, Pd, In, Se, Te, Fe, I, P and O which undergoes a structural change capable of being detected optically, electrically or chemically upon exposure imagewise to light wherein the Ge-S or Ge-S-X composition layer has a thickness of at least about 300 A and contains therein at least one element selected from the group consisting of Ag, Cu and Pb in an amount of more than 2 atoms of Ag, Cu and/or Pb based on 100 atoms of the Ge-S composition or the Ge-S-X composition.

Abstract: A thermal recording element comprising a support having formed thereon a recording layer, a first protective layer of a halogenated polyolefin, polystyrene, polystyrene derivative, halogenated rubber or styrene-vinyltoluene copolymer formed on the recording layer; and a second protective layer of a polymer having strong film strength formed on the first protective layer.

Abstract: A thermal recording element comprising a support having formed thereon a recording layer and formed on the recording layer, a protective layer containing a polymer, and a higher fatty acid having 10 or more carbon atoms or an amide thereof present in or on the protective layer.

Abstract: A photosensitive image forming material which comprises a transparent support having thereon, in order, a poly(vinyl alcohol) layer, an alcohol soluble polyamide layer and a photosensitive resin composition layer with at least one of the poly(vinyl alcohol) layer and the photosensitive resin composition layer containing a colorant therein; and an image forming method using the image-forming material. Such a layer structure ensures sufficiently layer good adhesion as well as strippability of the developed image on demand.

Abstract: An image forming material comprising a support having thereon a layer composed of a Ge--S composition or a Ge--S--X composition wherein X represents at least one element selected from the group consisting of Al, Si, Mg, Ti, V, Mn, Co, Ni, Sn, Zn, Pd, In, Se, Te, Fe, I, P and O which undergoes a structural change capable of being detected optically, electrically or chemically upon exposure imagewise to light wherein the Ge--S or Ge--S--X composition layer has a thickness of at least about 300A and contains therein at least one element selected from the group consisting of Ag, Cu and Pb in an amount of more than 2 atoms of Ag, Cu and/or Pb based on 100 atoms of the Ge--S composition or the Ge--S--X composition.