Mitsubishi Hitec Paper Europe Gmbh

Mitsubishi Hitec Paper Flensburg Gmbh

Mitsubishi Hitech Paper Europe Gmbh

Mitsubishi Hitec Paper Flensburgh Gmbh

Mitsubishi Paper Mills Limited

Gerhard Stork

Matthias Marx

Svenja Eisernitz

Annette Schreiber

Diana Valentina Becerra Siabato

Ulf Behrens

Falk Jahns

Makato Kato

Nora Wilke

Wolfgang Wagner

Martin Schreer

Karsten Lerius

Erich Kranz

Matthias Neukirch

Yoshimi Ikezawa

Karsten S&uuml;ssenbach

Michael Reimann

Lena-Maria Grundl

Lerius Karsten

Shinichiro Matsumoto

Satoshi Kano

Solveig Henningsen

A heat-sensitive recording material suitable for offset printing, having a web-shaped substrate, having a front side and a reverse side opposite the front side, a heat-sensitive recording layer disposed at least on one of the two sides of the web-shaped substrate having at least one dye precursor and at least one (color) developer reactive with the dye precursor. The heat-sensitive recording layer has particles including an organic surface whose extent in the direction of the thickness of web-shaped substrate and heat-sensitive recording layer is greater than the thickness of the heat-sensitive recording layer.

Heat-sensitive recording material for offset printing

A heat-sensitive recording material including The heat-sensitive recording layer contains a color acceptor having a combination at least consisting  

Heat-sensitive recording material having a novel color acceptor combination

A method for producing a heat-sensitive recording material comprises: preparing a first coating composition, which includes as color acceptor 4,4'-dihydroxydiphenyl sulfone, at least one sensitizer selected from the list of methylolstearamide, stearic acid amide, and dimethyl terephtalate; preparing a second coating composition, which includes: from 65 to 95% by weight of one or more (meth)acrylate from 0 to 20% by weight of photoinitiators and from 0.5 to 20% by weight of wax; applying the prepared first coating composition to form the heat-sensitive recording layer on the front side of the substrate; drying the first coating composition; applying the second coating composition to form the protective layer covering the heat-sensitive recording layer; crosslinking the protective layer covering the heat-sensitive recording layer; applying the second coating composition to form the coating on the back side of the substrate; crosslinking the coating.

Method for producing a heat-sensitive recording material

A heat-sensitive recording material includes at least a substrate, a heat-sensitive recording layer arranged on the front side of the substrate and has at least one color former and at least one color acceptor, wherein the color former and color acceptor react with one another under the action of heat to form color, a protective layer covering the heat-sensitive recording layer, a barrier coating which contains ethylene vinyl alcohol copolymer (EVOH) and suitable for protecting the heat-sensitive recording layer against penetration of chemicals causing uncontrolled desensitizing reactions and color reactions in the heat-sensitive recording layer, wherein the barrier coating is arranged between the substrate and the heat-sensitive recording layer, and a tincture, as authenticating security feature, introduced into the substrate and/or applied to at least one side of the substrate.

Heat-sensitive recording material with barrier coating

A heat-sensitive recording material includes at least a paper substrate, a heat-sensitive recording layer arranged on the front side of the substrate and which has at least one dye precursor and at least one color acceptor, wherein dye precursor and color acceptor react with one another under the action of heat to form color, and an authenticating security feature. The authenticating security feature is a mark which is applied to the back side of the paper substrate and which is made of a tincture having at least one organic solvent. A barrier coating is arranged between the substrate and heat-sensitive recording layer and is suitable to protect the heat-sensitive recording layer against penetration of the tincture into the heat-sensitive recording layer from the back side.

Heat-sensitive recording material having authenticity feature

A heat-sensitive recording material having a substrate that carries on its first side at least one heat-sensitive recording layer having at least one dye precursor and at least one color acceptor. The dye precursor and color acceptor react with one another in a color-forming manner under the action of heat. On its second side the substrate has a backcoat containing calcium carbonate. The backcoat is formed of at least two layers, a first layer is applied closer to the substrate and a second layer is applied farther from the substrate. The first layer contains a first calcium carbonate and the second layer contains a second calcium carbonate that differs from the first calcium carbonate.

Heat-sensitive recording material with reverse face coating

A proposed heat-sensitive recording material comprises a substrate, a heat-sensitive recording layer containing color formers and color acceptors, and a protective layer covering this heat-sensitive recording layer. The heat-sensitive recording layer has, as color acceptor, at least 66&#x2154; percent by weight of 4,4'-dihydroxydiphenyl sulfone based on the total percentage of color acceptors in the heat-sensitive recording layer, and the protective layer has, as binder, at least 60 percent by weight of diacetone-modified polyvinyl alcohol based on the total percentage of binder in the protective layer.

Thermosensitive recording material

A heat-sensitive recording material includes a paper web with recycled fibers and a heat-sensitive recording layer includes color formers and color acceptors. The amount of recycled fiber contained in the paper web is at least 70 percent by weight, and the heat-sensitive recording layer has, as color acceptor, at least 33&#x2153; percent by weight of N-(p-toluenesulphonyl)-N'-3-(p-toluenesulphonyloxyphenyl)urea in relation to the total content of color acceptors in the heat-sensitive recording layer.

A thermosensitive recording material comprising a substrate, a thermosensitive recording layer applied to the front and a back coating which comprises a polyurethane-based-cross-linking component in addition to pigments and binders.

Thermosensitive recording material comprising a back coating

An ink-jet recording paper with a paper substrate that has a coating on at least one side, wherein the coating contains binder and inorganic pigment, and wherein:

Ink jet recording material

A heat-sensitive recording material is proposed, which comprises a substrate and a heat-sensitive recording layer that contains color formers and color acceptors, where and a urea-urethane compound with the following formula (2): 

Heat-sensitive recording material

A novel recording material for the inkjet printing process has a substrate and an ink receiving layer which is applied on at least one side of the substrate, the ink receiving layer containing an inorganic pigment and an ink fixative comprising at least two substances. The first substance is a polyamine epichorohydrin and the second substance is a polyvalent metal salt. This recording material is characterized in that the first substance is a medium-molecular, branched polyamine epichlorohydrin condensation product, the ratio of the first substance to the second substance is between 3:1 and 16:1, the pigment makes up at least 80 percent by weight with a Dparticle size (Malvern) ranging from 4 &#x3bc;m inclusive to 12 &#x3bc;m inclusive, and the ratio of ink fixative to pigment ranges from 1:2 inclusive to 1:6 inclusive. The invention is further directed to a method for recording by the discontinuous inkjet printing process which uses the novel recording material.

Inkjet printing recording material

A printing medium for the inkjet printing method having a substrate and an ink acceptor layer, which is applied to at least one side of the substrate, wherein the ink acceptor layer includes an ink fixing agent and an inorganic pigment. The ink fixing agent includes a medium molecular weight branched amine-epichlorohydrin condensate which includes at least 70% by weight of the total quantity of the ink fixing agent in the ink accepting layer, the inorganic pigment is present at least 80% by weight with a particle size in a range between 6 and 12 &#x3bc;m and the ink fixing agent to pigment ratio is in a range from 1:2 to 1:6.

Printing medium for the inkjet printing method

A method of checking the authenticity of a heat-sensitive recording material having a carrier paper with a recording layer which is arranged on one face and which contains colorant formers and organic colorant acceptors that react with one another when heated; and a security feature provided as a water-soluble dye which fluoresces under UV radiation, the dye being applied without binder in a pattern, invisible under daylight, to a surface of a face of the carrier paper opposite the face provided with the recording layer, so that the entire surface has the pattern, the water-soluble dye being applied at a mass per unit area between 0.01 and 40 mg/m , the method comprising the step of wetting the surface of the layer opposite the recording layer with an alkaline substance.

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Flensburg, Germany

Gerhard Stork