WÄRMEREVERSIBLE VERDICKBARE BINDEMITTELZUSAMMENSETZUNG

THERMORESPONSIVE RECORDING SHEET

HITZEEMPFINDLICHES AUFZEICHNUNGSMATERIAL

Heat-sensitive recording material

A heat-sensitive recording material comprising a support having provided thereon a heat-sensitive color forming layer containing a colorless or slightly colored electron donating dye precursor and an electron accepting compound capable of forming color by the reaction with the electron donating dye precursor, wherein the heat-sensitive color forming layer contain modified polyvinyl alcohol having a hydrophobic group including a hydrocarbon residual group having 4 or more carbon atoms in the molecule.

Coating compositions.

Described are coating compositions for marking substrates comprising a) a solvent, b) a salt of a phosphorus or boron containing acid and an amine or imine, c) a salt of a non-phosphorus and non-boron containing acid and an amine or imine, d) a binder, and e) optionally additional ingredients, their manufacture and use, wherein the above-mentioned salts can also be present in an encapsulated form as a kind of pseudo-pigment. Substrates coated by the above compositions can be marked by laser irradiation.

Coating compositions comprising a latent activator for marking substrates

The present invention provides a composition, which comprises a latent activator. It also provides a process for the preparation of these compositions, substrates coated with these compositions and a process for their preparation, a process for preparing marked substrates using these compositions and marked substrates obtainable by the latter process.

ТЕПЛОЧУВСТВИТЕЛЬНЫЙ ЗАПИСЫВАЮЩИЙ МАТЕРИАЛ ДЛЯ ОФСЕТНОЙ ПЕЧАТИ

Предложен теплочувствительный записывающий материал, подходящий для офсетной печати, содержащий основу в виде полосы, имеющую переднюю сторону и противоположную передней стороне обратную сторону, теплочувствительный записывающий слой, находящийся на по меньшей мере одной из двух сторон полосовидной основы, причем указанный теплочувствительный записывающий слой содержит по меньшей мере один предшественник красителя и по меньшей мере один (цветной) проявитель, способный вступать в реакцию с указанным, по меньшей мере одним, предшественником красителя, и причем новый теплочувствительный записывающий материалотличается тем, что находящийся напо меньшей мере одной из двух сторон основы теплочувствительный записывающий слой содержит частицы с органической поверхностью, размер которых в направлении толщины полосовидной основы и теплочувствительного записывающего слоя больше, чем толщина теплочувствительного записывающего слоя. 2 н. и 12 з.п. ф-лы, 1 ил., 3 табл.

STABLE AQUEOUS DISPERSIONS OF COLOUR DEVELOPER

Storage-stable compositions comprising a colour developer, an anionic dispersant and a thickening agent as well as heat-sensitive recording materials comprising such compositions, a process for its manufacture and its use.

기록 재료 및 기록 시트

... 본 발명은 발색 성능, 보존성 등이 양호한 기록 재료나 기록 시트를 제공하는 것을 과제로 한다. 발색성 염료와 현색제의 반응에 의한 발색을 이용한 기록 재료에 있어서, 벤즈히드롤 골격을 갖는 특정의 화합물을 첨가제로서 사용함으로써 발색 성능, 보존성이 양호한 기록 재료를 얻을 수 있다.

기록 재료 및 기록 시트

... 본 발명은 발색 성능, 보존성 등이 양호한 기록 재료나 기록 시트를 제공하는 것을 과제로 한다. 발색성 염료와 현색제의 반응에 의한 발색을 이용한 기록 재료에 있어서, 벤즈히드롤 골격을 갖는 특정의 화합물을 첨가제로서 사용함으로써 발색 성능, 보존성이 양호한 기록 재료를 얻을 수 있다.

Recording material and recording sheet

The purpose of the present invention is to provide a recording material and a recording sheet both having excellent chromogenic performance and storage properties, particularly having excellent background heat resistance. The recording material according to the present invention contains (A) a chromogenic dye, (B) a compound represented by formula (I) and (C) a compound represented by formula (II).

THERMOSENSITIVE RECORDING MEDIUM

The main objective of the present invention is to provide a thermosensitive recording medium having a high recording density and a recording section with excellent storage stability, or a thermosensitive recording medium having a high recording density, excellent resistance to thermal background discoloration in high-temperature environments, and excellent anti-sticking properties and resistance to the adhesion of residue to thermal heads. The present invention is a thermosensitive recording medium having, atop a support body, a thermosensitive recording layer that contains, at the least, a leuco dye and a coloring agent, said thermosensitive recording medium comprising, as a coloring agent, a sulphonamide compound represented by general formula (1) and (a) having an additional protective layer atop the thermosensitive recording layer; containing, in the protective layer, at least one kind of adhesive selected from the group consisting of water-soluble adhesives and water-dispersible adhesives ...

COATING COMPOSITIONS

Described are coating compositions for marking substrates comprising a) a solvent, b) a salt of a phosphorus or boron containing acid and an amine or imine, c) a salt of a non-phosphorus and non-boron containing acid and an amine or imine, d) a binder, and e) optionally additional ingredients, their manufacture and use, wherein the above-mentioned salts can also be present in an encapsulated form as a kind of pseudo-pigment. Substrates coated by the above compositions can be marked by laser irradiation.

Recording material and recording sheet

An object of the invention is to provide a recording material and recording sheet having excellent color-developing performance, storage stability, etc. A recording material having good color-developing performance and storage stability may be obtained by using a specific compound having a benzhydrol skeleton as an additive in a recording material employing color development through a reaction between a color former and a color-developing agent.

COATING COMPOSITIONS

Entfärbungsverfahren

Leukofarbstoffdispersion und wärmeempfindeliches Aufzeichnungsmaterial, das diese Dispersion verwendet

WÄRMEEMPFINDLICHES AUFZEICHNUNGSMEDIUM

COATING COMPOSITIONS

COATING COMPOSITIONS COMPRISING A LATENT ACTIVATOR FOR MARKING SUBSTRATES

The present invention provides a composition, which comprises a latent activator. It also provides a process for the preparation of these compositions, substrates coated with these compositions and a process for their preparation, a process for preparing marked substrates using these compositions and marked substrates obtainable by the latter process.

VINYL ALCOHOL POLYMER, THICKENING AGENT, STABILIZER FOR EMULSION POLYMERIZATION, STABILIZER FOR SUSPENSION POLYMERIZATION, COATING AGENT, COATED ARTICLE, SIZING AGENT FOR FIBERS, SIZED YARN, AND PRODUCTION METHOD OF TEXTILE

The purpose of the present invention is to provide PVA having suitable water solubility, highly balanced thickening property and film strength, and excellent storage stability of viscosity in aqueous solution. The present invention is a vinyl alcohol polymer (A) having a ratio (Mw (A)/Mn (A)) of the weight-average molecular weight (Mw (A)) to the number-average molecular weight (Mn (A)) of from 3 to 8, wherein the ratio (Mw (B)/Mn (B)) of the weight-average molecular weight (Mw (B)) to the number-average molecular weight (Mn (B)) of a vinyl alcohol polymer (B) obtained by treating the vinyl alcohol polymer (A) for one hour at 40°C in sodium hydroxide solution is from 2 to less than 3.

수분산형 수지 조성물, 감열 기록층용 수지 조성물, 보호층용 수지 조성물 및 감열 기록 재료

... 수분산형 수지 조성물에, (메트)아크릴아마이드를 함유하는 제 1 모노머 성분을 중합시키는 것에 의해 얻어지는 제 1 폴리머와, 카복실기 함유 바이닐 모노머를 함유하는 제 2 모노머 성분을 중합시키는 것에 의해 얻어지는 제 2 폴리머를 함유시키고, 제 2 폴리머에 있어서의 카복실기의 적어도 일부를 중화시킨다.

HEAT-REVERSIBLE THICKENABLE BINDER COMPOSITION

ОБРАТИМАЯ ТЕРМОЧУВСТВИТЕЛЬНАЯ СРЕДА ДЛЯ ПЕЧАТИ И ОБРАТИМЫЙ ТЕРМОЧУВСТВИТЕЛЬНЫЙ ЭЛЕМЕНТ ДЛЯ ПЕЧАТИ

... 1. Обратимая термочувствительная среда для печати, содержащая:основу,обратимый термочувствительный слой для печати, предоставленный на основе, иантистатический слой,при этом антистатический слой предоставлен по меньшей мере на обратимом термочувствительном слое для печати или поверхности основы, противоположной ее поверхности, на которой предоставлен обратимый термочувствительный слой для печати,антистатический слой содержит сферические наполнители и отверждаемый электропроводный полимер, исферические наполнители удовлетворяют приведенному ниже выражению (1):4 ≤ средний диаметр частиц сферических наполнителей/толщина антистатического слоя ≤ 6……(1)2. Обратимая термочувствительная среда для печати по п.1, в которой поверхность антистатического слоя покрыта сферическими наполнителями при степени покрытия от 2% до 10%.3. Обратимая термочувствительная среда для печати по п.1 или 2, в которой средний диаметр частиц сферических наполнителей составляет от 10 мкм до 20 мкм.4. Обратимая термочувствительная ...

ABBILDUNGSMEDIEN UND DARIN VERWENDETE MATERIALIEN

IMPROVEMENTS OF ELECTROSENSITIVE PAPER

IMPROVEMENTS WITH THERMAL INK

Stable aqueous dispersions of colour developer

Heat-sensitive recording material

A heat-sensitive recording material having on a support a heat-sensitive recording layer which contains a colorless electron-donating dye precursor and an electron-accepting compound as main components, with heat-sensitive recording layer containing granules of starch or its derivative, which has a volume average granule diameter of from 5 to 30 microns, in a proportion of from 0.2 to 5 wt % based on the total weight of solids therein, thereby achieving enhancement of slippability at the recording layer surface without adversely affecting the density of printed characters.

Thermographic Imaging Element

A thermographic substrate assembly comprised of a colorant and a flexible substrate. This assembly also contains a thermosensitive layer, and the thermosensitive layer contains a binder, a multiplicity of hollow sphere organic pigments, and a thermal solvent.

Ink jet recording material

An ink jet recording material free of blotting when printed in dye ink and pigment ink, superior in print density and permitting clear printing of a high-definition image is disclosed. The ink jet recording material comprises a substrate at least one surface of which is treated with an ink fixing agent, the ink fixing agent being a cationic surfactant represented by the following general formula: where R is an alkyl group having 8 to 18 carbon atoms.

THERMORESPONSIVE RECORDING SHEET

Laser-markable composition, material, and document

Irreversible thermochromic ink compositions

An irreversible thermochromic ink composition can include thermochromic pigment capsules dispersed in a carrier. The irreversible thermochromic pigment capsules can include an inner core having a color changing dye, a color activator for activating the color changing dye, and a wax, an outer core surrounding the inner core and comprising a color destroying agent, and a shell surrounding the outer core. Alternatively, the irreversible thermochromic pigment capsules can include an inner core having a color destroying agent and a wax, an outer core surrounding the inner core and comprising a color changing dye and a color activator for activating the color changing dye, and a shell surrounding the outer core. Written marks made with the irreversible thermochromic inks can be rendered a different color or substantially colorless by application of a sufficient amount of heat to melt or substantially liquefy the wax in the irreversible thermochromic pigment capsules.

Thermoreversible thickening binder composition

A thermoreversibly thickening binder composition, comprises a resin latex wherein the amount of an emulsifier in the aqueous phase is smaller than 0.01 mmol/g, and a vinyl polymer having reversibility of hydrophilicity and hydrophobicity at a certain transition temperature. The resin latex is preferably prepared by using an emulsifier having a radically polymerizable group, and preferable as said vinyl polymer is a polymer having a cation-forming group. The binder composition exhibits an excellent chemical stability to factors other than heat without causing migration of the latex resin particles onto the surface of the coated layer even during the time of heat-drying, and thermoreversible thickening effects caused by a sharp heat-sensitive gelling properties. When applied to preparation of coated paper and pressure-sensitive recording sheet, the binder composition provides products excellent in gloss, printability and color producing properties.

IMAGE RECORDING MEDIA AND IMAGE LAYERS

LASER-SENSITIVE COATING FORMULATION

HEAT-SENSITIVE RECORDING MATERIAL

The purpose of the present disclosure is to improve the sensitivity of 4,4'-dihydroxydiphenylsulfone, which is a developer, in a heat-sensitive recording material. The present disclosure provides a heat-sensitive recording material that uses at least one selected from 1,2-bis(phenoxy)ethane, 1,2-bis(3-methylphenoxy)ethane, benzyloxynaphthalene, and oxalic acid di-p-methylbenzyl ester as a sensitizer for 4,4'-dihydroxydiphenylsulfone, and further includes benzoin as a sensitization aid.

HEAT-SENSITIVE RECORDING BODY

PURPOSE: To obtain heat-sensitive recording paper having excellent color formability, comprising a phenol compound and a lactone compound which is colored by thermal reaction with said phenol compound. CONSTITUTION: Particles comprising a lactone compound shown by the formula (wherein R1, R3, R4, R7 are each hydrogen; R2 is a lower alkylamino group; R5 is a lower alkyl, lower alkylamino, or benzylamino group; and R6 is hydrogen or a lower alkyl group) and a phenol compound which develops the color of said lactone compound when heated and whose melting point is 90°C or higher, e.g., 4-tert-butylphenol or α-naphthol, are crushed, dispersed in an aqueous solution which contains a water-soluble resin such as polyvinyl alcohol or methylcellulose as a binder, and applied on the surface of paper, a synthetic resin sheet, or the like. It is desirable that the particles are crushed to the size of about several μ, since the resolution of the recorded image is increased. COPYRIGHT: (C)1983,JPO&Japio ...

КОМПОЗИЦИИ ПОКРЫТИЙ ДЛЯ МАРКИРОВКИ ПОДЛОЖЕК, СОДЕРЖАЩИЕ ЛАТЕНТНЫЙ АКТИВАТОР

... 1. Композиция покрытия, включающая латентный активатор. ! 2. Композиция покрытия по п.1, в которой латентный активатор представляет собой соль кислоты и амина или производное кислоты. ! 3. Композиция покрытия по п.1 или 2, в которой кислота выбрана из группы, включающей неорганические кислоты, серосодержащие органические кислоты, фосфорсодержащие органические кислоты, карбоновые кислоты и их смеси. ! 4. Композиция покрытия по п.1 или 2, в которой амин описывается формулой NR1R2R3, в которой R1, R2 и R3 могут быть одинаковыми или разными и обозначают водород, С1-С30-алкил, С2-С30-алкенил, С4-С8-циклоалкил, C5-C8-циклоалкенил, арилалкил, арилалкенил или арил, или R1 обозначает водород, С1-С30-алкил, С2-С30-алкенил, С4-С8-циклоалкил, С5-С8-циклоалкенил, арилалкил, арилалкенил или арил и R2 и R3 вместе с атомом азота амина формулы NR1R2R3 образуют 5÷7-членное кольцо, где C1-С30-алкил, С2-С30-алкенил, С4-С8-циклоалкил, С5-С8-циклоалкенил, арилалкил и арилалкенил может быть незамещенным или содержит ...

HEAT-SENSITIVE RECORDING MATERIAL

LASER-SENSITIVE COATING FORMULATION

The present invention provides polymeric particles comprising a polymeric matrix comprising one or more water-insoluble polymers and a laser-sensitive system encapsulated in the polymeric matrix. It also provides a process for the preparation of the polymeric particles, a composition comprising the polymeric particles, a process for the preparation of this composition, a process for forming a laser-sensitive coating layer on a substrate using this composition, a coated substrate obtainable by the coating process, a process for preparing a marked substrate and a marked substrate obtainable by the marking process.

COATING COMPOSITIONS FOR MARKING SUBSTRATES

The present invention provides a composition, which comprises a latent activator. It also provides a process for the preparation of these compositions, substrates coated with these compositions and a process for their preparation, a process for preparing marked substrates using these compositions and marked substrates obtainable by the latter process.

THERMOSENSITIVE RECORDING MATERIAL

To provide a thermosensitive recording material, containing: a support; an under layer; a thermosensitive recording layer; and a protective layer, where the under layer, the thermosensitive recording layer, and the protective layer are provided in this order on at least one surface of the support, wherein the support is synthetic paper, or a synthetic resin film, wherein the under layer contains a binder resin, and hollow particles, wherein an adhesive force of the thermosensitive recording material at ―20°C, as measured by the described measuring method of the adhesive force, is 10.0 N/25 mm or greater.

VINYL ALCOHOL POLYMER AND ITS USE AS A THICKENING, STABILIZING, COATING OR SIZING AGENT

The purpose of the present invention is to provide PVA having suitable water solubility, highly balanced thickening property and film strength, and excellent storage stability of viscosity in aqueous solution. The present invention is a vinyl alcohol polymer (A) having a ratio (Mw (A)/Mn (A)) of the weight-average molecular weight (Mw (A)) to the number-average molecular weight (Mn (A)) of from 3 to 8, wherein the ratio (Mw (B)/Mn (B)) of the weight-average molecular weight (Mw (B)) to the number-average molecular weight (Mn (B)) of a vinyl alcohol polymer (B) obtained by treating the vinyl alcohol polymer (A) for one hour at 40°C in sodium hydroxide solution is from 2 to less than 3.

IRREVERSIBLE THERMOCHROMIC INK COMPOSITIONS

An irreversible thermochromic ink composition can include thermochromic pigment capsules dispersed in a carrier. The irreversible thermochromic pigment capsules can include an inner core having a color changing dye, a color activator for activating the color changing dye, and a wax, an outer core surrounding the inner core and comprising a color destroying agent, and a shell surrounding the outer core. Alternatively, the irreversible thermochromic pigment capsules can include an inner core having a color destroying agent and a wax, an outer core surrounding the inner core and comprising a color changing dye and a color activator for activating the color changing dye, and a shell surrounding the outer core. Written marks made with the irreversible thermochromic inks can be rendered a different color or substantially colorless by application of a sufficient amount of heat to melt or substantially liquefy the wax in the irreversible thermochromic pigment capsules.

DISPERSION COMPOSITION AND RECORDING MATERIAL

A dispersion composition containing a urea-urethane (UU) compound as (a) component, and one or more types of coloring inhibitors selected from among a silicate, a carbonate, a sulfate, a phosphate, a metal oxide, a metal hydroxide, a hindered phenol compound, a hindered amine compound and an acetoacetic acid derivative as (b) component, characterized in that one or more components selected from (a) component and (b) component is subjected to a heating treatment, or a developer UU dispersion prepared by using a cellulose derivative and a specific anionic surfactant as a dispersant for the developer UU is subjected to a heating treatment. The above dispersion composition containing a urea-urethane compound allows the improvement of the phenomenon of the lowering with time of the whiteness of an application fluid containing a colorless or pale dye precursor and a urea-urethane compound, and also allow the improvement of the discoloration of a white portion, in particular, the discoloration ...

Heat-sensitive recording materials

A heat-sensitive recording material includes a heat-sensitive recording layer on a support which layer produces a color upon heating, and a protective layer on the heat-sensitive recording layer. The protective layer is obtained from a composition (A) based on an emulsion of a copolymer resin (a). The copolymer resin (a) includes a vinyl monomer component having a carboxyl group, and a vinyl monomer component copolymerizable with the vinyl monomer component. The copolymer resin (a) contains 1 to 10 parts by weight of the vinyl monomer component having a carboxyl group. The copolymer resin has a SP value (solubility parameter) of not less than 9.5 (cal/cm3)1/2 and a glass transition temperature (Tg) of 20 to 130° C. The emulsion of the copolymer resin (a) has a minimum film-forming temperature (MFT) of more than 5° C. The emulsion for heat-sensitive recording material provides high durability, in particular water resistance, antiblocking properties in water-wetted state and chemical resistance ...

Conveyor line system and shipping container

A conveyor line system including an image processing device configured to irradiate a recording part with laser light to perform at least one of image recording and image erasing, the conveyor line system being configured to manage at least one conveying container each including: the recording part in which the image recording is performed by irradiation with the laser light; and an image part in which a displayed image has been drawn, wherein a formula below is satisfied at a wavelength of the laser light with which the recording part is irradiated during the image recording: A+30>B where A denotes an absorbance of the recording part and B denotes an absorbance of the image part of the conveying container.

Compositions, systems, and methods for imaging onto a substrate

Disclosed herein are compositions, systems, and methods for making a labeling systems capable of being labeled using either electromagnetic radiation, or ink, or both.

THERMOSENSITIVE ELEMENT FOR THERMOGRAPHIC REPRODUCTION OR RECORD SYSTEMS

... 1479476 Thermographic material ING C OLIVETTI & C SpA 25 July 1974 [27 July 1973] 32968/74 Heading G2C A temperature responsive record material is obtained by coating in a single layer on a supporting sheet and subsequently drying a dispersion of finely divided solid particles of crystal violet lactone and finely divided particles of 4,4'-isopropylidenephenol in a binder comprising a latex or a mixture of a latex with a non-ionic cellulose ether, the weight ratio in the dried layer of the dried binder: other solids being from 1:1 to 1:25. The latex may comprise polystyrene, or a vinyl chloride, styrene-butadiene, styrene-butadiene carboxylate or modified acrylic copolymer or may be an acrylic copolymer cross-linked with zinc. The binder may further comprise a light-coloured pigment, lubricating agent or optical whitening agent.

THERMORESPONSIVE RECORDING SHEET

... ?0-1-27760C/NK/82. THERMORESPONSIVE RECORDING SHEET There is disclosed the use of benzyl 4-benzyloxybenzoate as a responsiveness-increasing agent in a thermoresponsive recording paper sheet comprising a normally colorless or pale-colored chromogenic substance in combination with a phenolic compound.

HEAT-REVERSIBLE THICKENABLE BINDER COMPOSITION

A thermoreversibly thickening binder composition. comprises a resin latex wherein the amount of an emulsifier in the aqueous phase is smaller than 0.01 mmol/g. and a vinyl polymer having reversibility of hydrophilicity and hydrophobicity at a certain transition temperature. The resin latex is preferably prepared by using an emulsifier having a radically polymerizable group, and preferable as said vinyl polymer is a polymer having a cation-forming group. The binder composition exhibits an excellent chemical stability to factors other than heat without causing migration of the latex resin particles onto the surface of the coated layer is suppressed even during the time of heatdrying, and thermoreversible thickening effects caused by a sharp heat-sensitive gelling properties. When applied to preparation of coated paper and pressure-sensitive recording sheet, the binder composition provides products excellent in gloss. printability and color producing properties.

Heat-sensitive recording medium

COATING COMPOSITIONS FOR MARKING SUBSTRATES

The present invention provides a composition, which comprises a latent activator. It also provides a process for the preparation of these compositions, substrates coated with these compositions and a process for their preparation, a process for preparing marked substrates using these compositions and marked substrates obtainable by the latter process. © KIPO & WIPO 2008 ...

Image recording media and image layers

Imaging layers 12, image recording media 14, and methods of preparation of each, are disclosed.

Thermosensitive recording medium

The present invention provides a thermosensitive recording medium, having higher recording density in yellow hue region, and excellent light resistant preservability of a recorded part and heat resistant background fogging property. Specifically, the present invention relates to a thermosensitive recording medium, having a thermosensitive recording layer containing a dye precursor and a developer on a surface of a support, wherein the thermosensitive recording layer contains a dye precursor represented by general formula (1) and a phenol compound represented by general formula (2).

Pressure sensitive coating for image forming

A microencapsulated pigment including a leuco dye system is incorporated as one or more layers in a roll of adhesive tape. The tape is applied and may be rubbed by hand or another object to induce a color change. The change may serve as an indicator that the tape is well adhered for masking purposes in a painting operation, or to present a design where only selected portions of the tape are rubbed to induce the color change. The microencapsulated pigment may be constructed so that the color change is irreversible or reversible.

THERMAL SENSITIVE RECORDING MEDIUM

PURPOSE: To enhance the retention stability of a recording image by providing a thermal sensitive recording layer which contains a leuco dye represented by a specific general formula and a sensitizer represented by the specific general formula on a support. CONSTITUTION: A leuco dye represented by a formula I and a sensitizer represented by a formula II are mixed to prepare a thermal sensitive coloring layer forming coating solution. A support, such as sheet, synthetic sheet, or resin film is coated with the solution to form a thermal sensitive recording layer, and a thermal sensitive recording medium is manufactured. A material for bonding the compounds of the formulae I, II onto the support can use aqueous soluble non nonaqueous soluble resin binder, but preferably use aqueous soluble resin, such as casein, gelatin, polyvinyl alcohol, starch, isobutylene-maleic an hybride resin, etc. COPYRIGHT: (C)1988,JPO&Japio ...

DURCHSICHTIGES WÄRMEAUFZEICHNUNGSMEDIUM

Water-resistant recording material - contg high molecular cpd and hardener

Title compsn. contains (1) H20-dispersible heat sensitive component contg. (a) >=1 acid org. cpd. and (b) >=1 colourless or weakly coloured chromogenous cpd. which forms a colour at elevated temps. by reaction with (a); (2) >=1 H2O-sol. high molecular cpd. and (3) a hardener for (2).

Heat-sensitive recording material

A heat-sensitive recording material having on a support a heat-sensitive recording layer which contains a colorless electron-donating dye precursor and an electron-accepting compound as main components, with heat-sensitive recording layer containing granules of starch or its derivative, which has a volume average granule diameter of from 5 to 30 microns, in a proportion of from 0.2 to 5 wt % based on the total weight of solids therein, thereby achieving enhancement of slippability at the recording layer surface without adversely affecting the density of printed characters.

Label

Improvements in thermal paper

Imaging media and materials used therein

오프셋 인쇄용 감열 기록 재료

... - 정면 및 상기 정면의 반대편에 있는 후면을 갖는 웹-형상 기재(1), - 웹-형상 기재(1)의 상기 2개의 면 중 적어도 한 면에 배치된 감열 기록층(3)을 포함하고, 상기 감열 기록층(3)은 적어도 하나의 염료 전구체 및 상기 적어도 하나의 염료 전구체와 반응하는 적어도 하나의 현색제를 포함하는, 오프셋 인쇄에 적합한 감열 기록 재료가 제안되는데, 새로운 감열 기록 재료는 기재(1)의 상기 2개의 면 중 적어도 한 면에 배치된 감열 기록층(3)이 유기 표면을 갖는 입자(4)를 포함하고, 상기 입자의 웹-형상 기재(1) 및 감열 기록층(3)의 두께 방향으로의 크기는 감열 기록층(3)의 두께보다 큰 것을 특징으로 한다.

Stable aqueous dispersions of colour developer

Storage-stable compositions comprising a colour developer, an anionic dispersant and a thickening agent as well as heat-sensitive recording materials comprising such compositions, a process for its manufacture and its use.

THERMAL SENSITIVE MEDIA WITH INTERNAL RF PRINTING MATRIX

A thermal sensitive media for use with labeling or identification methods is disclosed. The thermal sensitive media comprises a media layer and a thermally sensitive record layer formed upon at least one surface of the media layer. The thermally sensitive record layer forms a visually discernable colored image in response to heat. However, the colored image is subject to degradation as a result of exposure to ultraviolet radiation within a known photodegradative wavelength range. An ultraviolet protective coating layer may then disposed over the thermally sensitive record layer. A lamination layer is positioned internal to the media layer and comprises a matrix of micro heating elements driven by radio frequency (RF) power. The matrix of micro heating elements are arranged in a pin array to energize the micro heating elements within the laminated media structure to create a simple numeric image. 1. A thermal sensitive media , comprising:a media layer;a lamination layer internal to the media layer; anda thermally sensitive record layer formed upon at least a portion of one surface of the media layer;wherein the thermally sensitive record layer forms a visually discernable colored image in response to heat; andwherein the colored image is subject to degradation as a result of exposure to ultraviolet radiation within a known photodegradative wavelength range.2. The media of claim 1 , wherein the media further comprises an ultraviolet protective coating layer disposed over the thermally sensitive record layer.3. The media of claim 1 , wherein the lamination layer comprises a matrix of micro heating elements.4. The media of claim 3 , wherein the micro heating elements are driven by radio frequency (RE) power.5. The media of claim 4 , wherein the matrix of micro heating elements are arranged in a pin array claim 4 , which would only fire those micro heating elements required to formulate an image.6. The media of claim 5 , wherein a laser cutting process is used to create ...

THERMOSENSITIVE RECORDING MEDIUM

The present invention presents a thermosensitive recording medium having a sufficient water resistance against water or moisture when the thermosensitive recording medium is used in outdoor and also having a superior printing run-ability when printing at high speed (sticking resistance), color developing sensitivity, scratching resistance, plasticizer resistance and solvent resistance. The thermosensitive recording medium shows a superior water resistance and also shows a superior printing run-ability when printing at high speed (sticking resistance) etc, by installing a thermosensitive recording layer on a support and a protective layer on the thermosensitive recording layer, wherein the protective layer contains an acrylic resin with a glass transition temperature of higher than 50 degree C. and lower than or equal to 95 degree C.

HEAT SENSITIVE RECORDING MATERIAL

The invention provides a heat sensitive recording material comprising heat sensitive recording layer provided on a support and having a hollow particle and a heat sensitive coloring component.

TEMPERATUREMPFINDLICHES AUFZEICHNUNGSMATERIAL ZUR VERWENDUNG IN THERMOGRAPHISCHEN AUFNAHME- UND WIEDERGABESYSTEMEN

Elektronenannehmende Verbindung und wärmeempfindliches Aufzeichnungsmaterial

WÄRMEAUFZEICHNUNGSMATERIAL

Heat sensitive recording material used for example for tickets, receipts, comprises a carrier paper, a recording layer on one side and color formers and organic color acceptors

A heat sensitive recording material consists of a carrier paper with a recording layer on one side which contains color formers and organic color acceptors which are thermally activated. The recording layer also contains fibers which contrast with it and which are fluorescent.

Wärmeempfindlicher Aufzeichnungsbogensatz zum Kontrollieren von Konservierungstemperaturen und Verfahren zu deren Verwendung

ZEICHENVERFAHREN, WÄRMEEMPFINDLICHES AUFZEICHNUNGSMEDIUM UND ZEICHENVORRICHTUNG

Ein Zeichenverfahren einer Ausführungsform der vorliegenden Offenbarung führt Zeichnen in mehreren ersten Gebieten, die sich in jeweiligen Richtungen erstrecken und ein Intervall dazwischen aufweisen, basierend auf Eingabebildinformationen bezüglich eines wärmeempfindlichen Aufzeichnungsmediums durch, das mit einer Aufzeichnungsschicht versehen ist, die ein fotothermisches Umwandlungsmittel beinhaltet, das Licht eines Leukofarbstoffs und Infrarotwellenlängen absorbiert und Wärme erzeugt. Und dann detektiert das Zeichenverfahren einen Aufzeichnungszustand der mehreren ersten Gebiete, berechnet den Unterschied zu den Eingabebildinformationen und führt Zeichnen in mehreren zweiten Gebieten, die sich in jeweiligen Richtungen erstrecken und das Intervall der mehreren ersten Gebiete aufweisen, mit einer Aufzeichnungsstärke durch, die aus dem Unterschied bestimmt wird.

HEAT-SENSITIVE RECORDING MATERIAL CONTAINING DYE-FORMING COMPONENTS

HEAT-SENSITIVE RECORDING MATERIAL

Irreversible thermochromic ink compositions

An irreversible thermochromic ink composition can include thermochromic pigment capsules dispersed in a carrier. The irreversible thermochromic pigment capsules can include an inner core having a color changing dye, a color activator for activating the color changing dye, and a wax, an outer core surrounding the inner core and comprising a color destroying agent, and a shell surrounding the outer core. Alternatively, the irreversible thermochromic pigment capsules can include an inner core having a color destroying agent and a wax, an outer core surrounding the inner core and comprising a color changing dye and a color activator for activating the color changing dye, and a shell surrounding the outer core. Written marks made with the irreversible thermochromic inks can be rendered a different color or substantially colorless by application of a sufficient amount of heat to melt or substantially liquefy the wax in the irreversible thermochromic pigment capsules.

Irreversible thermochromic ink compositions

An irreversible thermochromic ink composition can include thermochromic pigment capsules dispersed in a carrier. The irreversible thermochromic pigment capsules can include an inner core having a color changing dye, a color activator for activating the color changing dye, and a wax, an outer core surrounding the inner core and comprising a color destroying agent, and a shell surrounding the outer core. Alternatively, the irreversible thermochromic pigment capsules can include an inner core having a color destroying agent and a wax, an outer core surrounding the inner core and comprising a color changing dye and a color activator for activating the color changing dye, and a shell surrounding the outer core. Written marks made with the irreversible thermochromic inks can be rendered a different color or substantially colorless by application of a sufficient amount of heat to melt or substantially liquefy the wax in the irreversible thermochromic pigment capsules.

RESIN COMPOSITION, USE THEREOF, AND METHOD FOR PRODUCING RESIN COMPOSITION

THERMOSENSITIVE RECORDING BODY

IMAGING MEDIA AND MATERIALS USED THEREIN

A coating includes an antenna uniformly distributed and dissolved in both a matrix and a leuco dye phase of the coating. The antenna readily absorbs energy, which may be applied in particular patterns to the imaging materials. This absorbed energy heats the mixture, which causes the leuco dye and the activator to mix and react, causing the leuco dye to change color, thus producing a mark. A method for preparing an imaging material includes providing a powder having an activator and an antenna, dissolving the activator/antenna powder to form an activator/matrix pre polymer solution, providing a leuco dye alloy, and dispersing the leuco dye alloy into the activator/matrix pre polymer solution to form a radiation curable paste. An image recording medium includes a matrix having an antenna and an activator, and an alloy dispersed in the matrix as an independent phase. The alloy includes an antenna, a leuco dye, and an accelerator.

Heat-sensitive recording material

A heat-sensitive recording material having a heat-sensitive recording layer on a substrate. An outermost layer from the substrate contains microparticle-aggregation particles. The microparticle-aggregation particles are preferably formed by silica microparticles, and the outermost layer is preferably a protective layer. The microparticle-aggregation particles have hardness such that soiling of a thermographic printing head is low, and softness such that wear of the thermographic printing head is low.

Thermoresponsive recording sheet

There is disclosed the use of benzyl 4-benzyloxybenzoate as a responsiveness-increasing agent in a thermoresponsive recording paper sheet comprising a normally colorless or pale-colored chromogenic substance in combination with a phenolic compound.

IMPROVEMENTS IN THERMAL PAPER

DISPERSION COMPOSITION AND RECORDING MATERIAL

A dispersion composition containing a urea-urethane (UU) compound as (a) component, and one or more types of coloring inhibitors selected from among a silicate, a carbonate, a sulfate, a phosphate, a metal oxide, a metal hydroxide, a hindered phenol compound, a hindered amine compound and an acetoacetic acid derivative as (b) component, characterized in that one of more components selected from (a) component and (b) component is subjected to a heating treatment, or a developer UU dispersion prepared by using a cellulose derivative and a specific anionic surfactant as a dispersant for the developer UU is subjected to a heating treatment. The above dispersion composition containing a urea-urethane compound allows the improvement of the phenomenon of the lowering with time of the whiteness of an application fluid containing a colorless or pale dye precursor and a urea-urethane compound, and also allow the improvement of the discoloration of a white portion, in particular, the discoloration ...

ABBILDUNGSMEDIEN UND DARIN VERWENDETE MATERIALIEN

WÄRMEEMPFINDLICHES AUFZEICHNUNGSMEDIUM

HEAT-SENSITIVE RECORDING MATERIAL

Coating compositions comprising a latent activator for marking substrates

material e folha para registro.

PROCESS FOR PRODUCING THERMAL RECORDING MATERIAL

This invention provides a thermal recording material comprising a thermal recording layer, composed mainly of a colorless or light-colored electron-donating leuco dye and an electron-receiving developer, provided on a support. The production process comprises providing a highly functional development layer containing a highly functionalized chemical on the outermost surface layer of a thermal recording material during a period in which the lower layer in contact with the highly functional development layer is in a wet state. Thus, a thermal recording material having a high level of recording density and excellent antisticking properties can be provided.

감열 기록체

... [Problem] To provide an environmentally friendly heat-sensitive recording body using kraft lignin as a developer and having excellent properties for head corrosiveness when printed. [Solution] A heat-sensitive recording body in which a heat-sensitive recording layer containing a colorless or light-colored electron donative leuco dye and an electron acceptive developer is provided on a support, and the heat-sensitive recording layer contains kraft lignin as the electron acceptive developer, wherein the kraft lignin contains almost no hydrogen sulfide or contains only 400 ppm of hydrogen sulfide at most.

Recording material and recording sheet

The present invention addresses the problem of providing a recording material and a recording sheet which are satisfactory in terms of color-forming performance, storability, etc. The recording material is based on color formation by the reaction of a color-forming dye with a color developer. By using, as an additive, a specific compound having a benzhydrol skeleton, a recording material having satisfactory color-forming performance and storability can be obtained.

Thermosensitive decolorable ink composition

In order to provide a thermosensitive decolorable ink composition which can readily be decolored with simple heating by rubbing and the like without using a microcapsule and is not developed again in color even after stored at very low temperature (−50° C. or lower) and which is excellent in stability with passage of time and has a vivid hue intensity, the above thermosensitive decolorable ink composition is provided with a constitution in which it contains as a colorant, color developing particles comprising at least a leuco dye, a developer and a crystalline substance and in which it further contains a decolorant comprising an amorphous resin.

Heat-Sensitive Recording Material Having Authenticity Feature

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. 118-. (canceled)19. A heat-sensitive recording material comprising a paper substrate;a heat-sensitive recording layer arranged on the front side of said substrate and comprising at least one dye precursor and at least one color acceptor, wherein said dye precursor and said color acceptor react with one another under the action of heat to form color;an authenticating security feature comprising a mark applied to the back side of said paper substrate and made of a tincture containing at least one organic solvent; anda barrier coating arranged between said paper substrate and said heat-sensitive recording layer for protecting said heat-sensitive recording layer against penetration of said tincture into the heat-sensitive recording layer from the back side.20. The heat-sensitive recording material according to claim 19 , wherein said authenticating security feature is applied individually for every individual paper substrate.21. The heat-sensitive recording material according to claim 20 , wherein said tincture is applied by an inkjet printing method.22. The heat-sensitive recording material according to claim 19 , wherein said barrier coating comprises as a binder at least 60 percent by weight of ...

THERMOCHROMIC COLOR-MEMORY COMPOSITION AND THERMOCHROMIC COLOR-MEMORY MICROCAPSULE PIGMENT ENCAPSULATING THE SAME

The present invention relates to a thermochromic color-memory composition containing: (I) an electron donating coloring organic compound, (II) an electron accepting compound, and (III) an ester compound represented by the following formula (1) as a reaction medium which controls color reaction of the components (I) and (II): 2. A thermochromic color-memory microcapsule pigment comprising the thermochromic color-memory composition of encapsulated therein.3. A thermochromic color-memory liquid composition comprising the thermochromic color-memory microcapsule pigment of and a vehicle.4. A thermochromic color-memory resin composition for molding claim 2 , comprising the thermochromic color-memory microcapsule pigment of and a resin for molding.5. A thermochromic color-memory laminate comprising a reversible thermochromic layer in which the thermochromic color-memory microcapsule pigment of is fixed to a resin in a dispersed state claim 2 , the layer being provided on a support. The present invention relates to a thermochromic color-memory composition and a thermochromic color-memory microcapsule pigment encapsulating the same. More specifically, it relates to a thermochromic color-memory composition which displays reversible discoloration between coloring and decoloring with showing a large hysteresis characteristic upon changing temperature and keeps either of the colored state and decolored state alternately and reversibly even after removal of application of the heat or cold required for the discoloration, and to a thermochromic color-memory microcapsule pigment encapsulating the same.The present applicant has already proposed such a type of thermochromic color-memory material (see e.g., Patent Document 1).Conventional reversible thermal discoloration materials discolor with a discoloration temperature as a border. In the material, only one specified state of both states before and after discoloration exists within a normal temperature range, and the other state is ...

Colour laser marking methods of security documents

A security document precursor including, in order: a) at least one transparent biaxially stretched polyester foil; b) one colourless colour forming layer containing at least an infrared absorber, a colourless dye-precursor and a polymeric binder; and c) a polymeric support; wherein the polymeric binder is copolymer including at least 90 wt % of a chlorinated ethylene and 1 wt % to 10 wt % of vinyl acetate both based on the total weight of the binder. Methods for making the security document precursor are also disclosed.

NOVEL PHENOLSULFONIC ACID ARYL ESTER DERIVATIVE, AND HEAT-SENSITIVE RECORDING MATERIAL USING SAME

The invention provides a phenolsulfonic acid aryl ester represented by formula (1) 2. The phenolsulfonic acid aryl ester according to claim 1 , wherein Rand Rare each independently an alkyl group having 1 to 8 carbon atoms; and Ris an alkyl group having 1 to 8 carbon atoms.4. (canceled)5. A developer for a thermal recording material claim 1 , comprising at least one kind of the phenolsulfonic acid aryl ester according to .7. The thermal recording material according to claim 6 , wherein the developer further contains at least one kind of a second developer selected from the group consisting of a bisphenol compound claim 6 , a bisphenol sulfone compound claim 6 , a urea compound and a novolac type phenol compound.8. The thermal recording material according to claim 6 , wherein the thermal recording layer contains at least one kind of sensitizer selected from the group consisting of 1 claim 6 ,2-di-(3-methylphenoxy)ethane claim 6 , fatty acid amide having 10 to 21 carbon atoms claim 6 , β-benzyloxynaphthalene and diaphenylsulfone.9. The thermal recording material according to claim 6 , wherein the thermal recording layer contains a hindered phenol compound. The present invention relates to a novel phenolsulfonic acid aryl ester derivative and use thereof as a developer, and a thermal recording material.Generally, thermal recording materials having a thermal recording layer based mainly on a colorless or pale-colored basic (electron-donating) leuco dye (hereinafter sometimes to be simply abbreviated as “dye” or “leuco dye”) and an electron-accepting developer that develops color by reacting with dye on heating (hereinafter sometimes to be simply abbreviated as “developer”) are widely used in practice. For recording on the thermal recording materials, a thermal printer with a built-in thermal head, and the like are used. This method of thermal recording is advantageous over other conventional recording methods in practical use, with features such as (1) noiselessness ...

METHOD FOR PRODUCING A HEAT-SENSITIVE RECORDING MATERIAL

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. 115-. (canceled)16. A method for producing a heat-sensitive recording material with a substrate having a front side and a back side located opposite to the front side , with a heat-sensitive recording layer disposed on the front side of the substrate and containing color formers and color acceptors , with a protective layer covering the heat-sensitive recording layer , and with a coating arranged on the back side of the substrate , the method comprising at least the following steps:preparing a first coating composition, wherein the first coating composition comprises:as color acceptor at least 85% by weight of 4,4′-dihydroxydiphenyl sulfone based on the total percentage of color acceptors in the first coating composition,at least one sensitizer selected from the group comprising methylolstearamide, stearic acid amide, and dimethyl terephthalate;preparing a second coating composition, wherein the second coating composition comprises:from 65 to 95% by weight of one or more (meth)acrylates selected from the group comprising ...

THERMOSENSITIVE RECORDING MATERIAL

To provide a thermosensitive recording material, containing: a support; an under layer; a thermosensitive recording layer; and a protective layer, where the under layer, the thermosensitive recording layer, and the protective layer are provided in this order on at least one surface of the support, wherein the support is synthetic paper, or a synthetic resin film, wherein the under layer contains a binder resin, and hollow particles, wherein an adhesive force of the thermosensitive recording material at −20° C., as measured by the described measuring method of the adhesive force, is 10.0 N/25 mm or greater. 1. A thermosensitive recording material , comprising:a support;an under layer;a thermosensitive recording layer; anda protective layer,where the under layer, the thermosensitive recording layer, and the protective layer are provided in this order on at least one surface of the support,wherein the support is synthetic paper, or a synthetic resin film,wherein the under layer contains a binder resin, and hollow particles,wherein an adhesive force of the thermosensitive recording material at −20° C. is 10.0 N/25 mm or greater, where the adhesive force is measured by cutting out the thermosensitive recording material into a sample having a width of 25 mm and a length of 30 cm, bonding one end of an outermost surface of the sample at the side of the thermosensitive recording layer above the support to a substrate by 8 cm in an environment of 22° C. and 50% RH, leaving the sample to stand in an environment of −20° C. to adjust temperature of the sample to −20° C., pulling the other end of the sample in a 180 degrees direction with respect to the substrate, measuring a force (N/25 mm) at which the sample is peeled from the substrate by means of a digital force gauge, and determining a maximum value of the measured force at −20° C. as the adhesive force.2. The thermosensitive recording material according to claim 1 , wherein the binder resin in the under layer contains a ...

THERMOSENSITIVE RECORDING MATERIALS CONTAINING CHELATING AGENTS

The present invention relates to thermal recording materials comprising (in order): 18-. (canceled)9. A thermal recording material comprising:a base layer;one or more undercoat layers which is/are laid down on the base layer;a thermo-sensitive coloring layer which is laid down on the uppermost undercoat layer, on the opposite side with respect to the base layer; andone or more protective layers which is/are laid down on the thermo-sensitive coloring layer, on the opposite side with respect to the undercoat layer(s),wherein one or more of the said undercoat layer(s) and/or the thermo-sensitive coloring layer and/or one or more of the said protective layer(s) contains a phosphorus-based chelating agent chosen from one of the following families:(1) aminophosphates and amino phosphonic acids;(2) phosphates, pyrophosphates and polyphosphates;(3) diphosphonic acids containing C—OH groups;(4) phosphonotricarboxylic acids; and(5) polyol phosphate esters.10. A thermal recording material according to claim 9 , wherein the phosphorus-based chelating agent is incorporated in an undercoat layer.11. A thermal recording material according to claim 9 , wherein the phosphorus-based chelating agent is ATMP (amino trimethylene phosphonic acid) claim 9 , EDTMP (ethylene diamino tetramethylene phosphonic acid) claim 9 , DTPMP (diethylenetriamine penta(methylene phosphonic acid)) claim 9 , HMDTMPA (hexamethylenediamine tetramethylene phosphonic acid) claim 9 , nitriliotri(methylene phosphonic acid) NTMP claim 9 , or iminodi(methylenephosphonic acid) (IDMP) claim 9 , or salts thereof.12. A thermal recording material according to claim 9 , wherein the phosphorus-based chelating agent is trisodium phosphate claim 9 , STMP (sodium trimetaphosphate) claim 9 , STPP (sodiumtripolyphosphate) claim 9 , or TSPP (tetrasodium pyrophosphate) claim 9 , or a potassium salt or ammonium or substituted ammonium salt of the same.1314-. (canceled) The present application claims priority under 35 U.S.C. § ...

RECORDING MATERIAL AND RECORDING SHEET

An object of the invention is to provide a recording material and recording sheet having excellent color-developing performance, storage stability, etc. A recording material having good color-developing performance and storage stability may be obtained by using a specific compound having a benzhydrol skeleton as an additive in a recording material employing color development through a reaction between a color former and a color-developing agent. 4. The recording material according to claim 1 , wherein the color former is a fluoran dye.5. A recording sheet having a recording material layer formed from the recording material according to on a support.6. The recording material according to claim 2 , wherein the color former is a fluoran dye.7. The recording material according to claim 3 , wherein the color former is a fluoran dye.8. A recording sheet having a recording material layer formed from the recording material according to on a support.9. A recording sheet having a recording material layer formed from the recording material according to on a support.10. A recording sheet having a recording material layer formed from the recording material according to on a support.11. A recording sheet having a recording material layer formed from the recording material according to on a support.12. A recording sheet having a recording material layer formed from the recording material according to on a support. The present invention relates to a recording material employing color development through a reaction between a color former and a color-developing agent, and a recording sheet using the recording material.The present application claims priority of Japanese Patent Application No. 2015-019879 filed on Feb. 4, 2015, the content of which is incorporated herein by reference.The recording material employing color development through a reaction between a color former and a color-developing agent, since record may be made by a relatively simple apparatus in a short time without ...

Packaging sheet, and packaging container and packaging method using the packaging sheet

Provided are a packaging sheet and a packaging container where it is unnecessary to paste a printed label and disappearance or color development due to friction or the like after thermal printing do not occur. The packaging sheet includes a heat seal layer 10 for thermally welding by heating, a heat-sensitive layer 40 including a color developing material that develops a color by heating, and a base material layer 70 that secures the strength and protects the heat-sensitive layer 40 . The heat seal layer 10 , the heat-sensitive layer 40 , and the base material layer 70 are provided in this order from a back surface side in a thickness direction. The packaging sheet is transparent before the heat-sensitive layer 40 develops the color.

Composition For Developing A Visually Discernible Colour And Corresponding Heat-Sensitive Recording Material

The present invention is directed to (i) a composition for forming a visually discernible color, (ii) the use of this composition for producing a heat-sensitive recording material, (iii) the corresponding heat-sensitive recording material comprising a substrate and this composition, and (iv) a process for producing the heat-sensitive recording material. 115-. (canceled)17. The composition according to claim 16 , wherein the one claim 16 , two or more compounds of component c) increase the maximum dynamic print density and/or the maximum static print density.18. The composition according to claim 16 , wherein the total amount of component c) is in the range of from 7 to 33 percent by weight with respect to the total mass of components a) claim 16 , b) and c).19. The composition according to claim 16 , wherein one claim 16 , two claim 16 , three claim 16 , more than three claim 16 , or all of the dye precursors is or are a compound selected from the group comprising 3-diethylamino-6-methyl-7-anilinofluoran claim 16 , 3-dibutylamino-6-methyl-7-anilinofluoran claim 16 , 3-(N-methyl-N-propyl)amino-6-methyl-7-anilinofluoran claim 16 , 3-(N-ethyl-N-isoamyl)amino-6-methyl-7-anilinofluoran claim 16 , 3-(N-methyl-N-cyclohexyl)amino-6-methyl-7-anilinofluoran claim 16 , 3-(N-ethyl-N-tolyl)amino-6-methyl-7-anilinofluoran claim 16 , and 3-(N-ethyl-N-tetrahydrofuryl)amino-6-methyl-7-anilinofluoran.20. The composition according to claim 16 , wherein the composition is adapted in such a way that the visually discernible color is formed when the temperature of the composition is increased.21. The composition according to claim 16 , wherein one claim 16 , two claim 16 , three claim 16 , more than three claim 16 , or all of the color developers is/are made byI) conversion of an x-functional carboxylic acid with compounds containing structural units of formula (I), wherein z in each of the structural units of formula (I) means an integer greater than 1, wherein the respective meaning is ...

Label, top layer formation material for printing medium, information-bearing medium, wristband clip and carbon dioxide reduction method using same

Provided are a label, a top layer material formed on a printing medium, an information-bearing medium, a solid fuel and a wristband clip having the function of absorbing carbon dioxide, and carbon dioxide reduction methods using the same. Provided are labels 101, 120, 130 and 140, top layer materials formed on a printing medium 201, 246 and 266, information-bearing media 301, 330, 350 and 360, a solid fuel 401, and a wristband clip 510, to which a new carbon dioxide absorbent is added. Provided are also carbon dioxide reduction methods of absorbing carbon dioxide by burning the same.

COATING COMPOSITION, HEAT-SENSITIVE RECORDING LAYER, HEAT-SENSITIVE RECORDING MATERIAL, AND CORRESPONDING USES AND METHODS

A coating composition for producing a heat-sensitive recording material and to a corresponding heat-sensitive recording layer. The coating composition includes one or more color developers, one or more dye precursors, one or more specific fatty acid amides, and one or more (additional) specific sensitizers. A heat-sensitive recording material including a carrier substrate and a heat-sensitive recording layer, to the use of specific fatty acid amides in order to increase the grease resistance of a heat-sensitive recording material or a heat-sensitive recording layer, and to a method for producing a heat-sensitive recording material or a heat-sensitive recording layer. 114.-. (canceled)16. The coating composition or heat-sensitive recording layer as claimed in claim 15 , further comprising at least one constituents from the group consisting offurther sensitizers,pigments,dispersants,antioxidants,release agents,defoamers,light stabilizers, andbrighteners.17. The coating composition or heat-sensitive recording layer as claimed in claim 16 , wherein:the at least one plural fatty acid amides have a number of carbon atoms in a range from 16 to 24 being octadecanamide and/or N-(hydroxymethyl)octadecanamide and/orpossessing a melting point which is greater than at least one of 103° C. and 105° C.18. The coating composition or heat-sensitive recording layer as claimed in claim 17 , whereina ratio of the mass of the compound of the formula (I) to a total mass of fatty acid amides having the number of carbon atoms in a range from 16 to 24 in the coating composition or the heat-sensitive recording layer being in a range from 1.2:1 to 4:1and/ora ratio of the mass of the compound of the formula (I) to the mass of octadecanamide and/or N-(hydroxymethyl)octadecanamide in the coating composition or the heat-sensitive recording layer being in a range from 1.2:1 to 4:1.19. The coating composition or heat-sensitive recording layer as claimed in claim 15 , wherein a ratio of a total mass ...

Developer-Free Heat-Sensitive Recording Material

A heat-sensitive recording material having a carrier substrate and a fusible layer disposed on one side of the carrier substrate. The fusible layer comprises an amide wax having a melting point in the range from 60° C. to 180° C., an inorganic pigment, and a polymeric binder. 1. A heat-sensitive recording material comprising:a) a carrier substrate; andb) a fusible layer disposed on one side of the carrier substrate, i) an amide wax having a melting point in a range from 60° C. to 180° C., wherein the amide wax is present in a total amount in a range from ≥40 to ≤78 percent by mass, based on a dry mass of the fusible layer;', 'ii) an inorganic pigment; and', 'iii) one or more polymeric binder,, 'wherein the fusible layer compriseswherein the fusible layer comprises substantially no developers or leuco compounds.2. The heat-sensitive recording material according to claim 1 , wherein a quantitative ratio between the amide wax and the inorganic pigment has a value in the range of at least one of:from 2:8 to 9:1,from 2.5:7.5 to 7.5:2.5,from 0.3:0.7 to 0.7:0.3, andfrom 6.5±0.3:3.5±0.3.3. The heat-sensitive recording material according to claim 1 , wherein the amide wax is present in a total amount in a range of at least one of:from ≥44 to ≤73 percent by mass, based on the dry mass of the fusible layer andin a range from 50 to 67 percent by mass, based on the dry mass of the fusible layer.4. The heat-sensitive recording material according to claim 1 , wherein the one or more polymeric binder is present in a total amount in a range from at least one of:≥1 to ≤30 percent by mass, based on the dry mass of the fusible layer,≥2 to ≤20 percent by mass, based on the dry mass of the fusible layer, and≥4 to ≤16.5 percent by mass, based on the dry mass of the fusible layer.5. The heat-sensitive recording material according to claim 1 , wherein the inorganic pigment is present in a total amount in a range of at least one of:from ≥18 to ≤50 percent by mass, based on the dry mass of ...

VINYL ALCOHOL POLYMER, AQUEOUS SOLUTION, COATING AGENT, INK JET RECORDING MATERIAL, THERMAL RECORDING MATERIAL AND BASE PAPER FOR RELEASE PAPER CONTAINING SAME

Provided is a vinyl alcohol polymer that provides a coating film having superior water resistance and binder performances, and has sufficient solubility in water and viscosity stability even in a neutral pH region. Further provided are an aqueous solution, a coating agent, an ink jet recording material, a thermal recording material and a base paper for a release paper that comprise the vinyl alcohol polymer, and a method for producing same, and the like. The vinyl alcohol polymer includes a monomer unit represented by the following formula (1), with the following inequality (I) being satisfied. Preferably, the following inequalities (II) and (III) are further satisfied according to the PVA: 2. The vinyl alcohol polymer according to claim 1 , wherein: [{'br': None, 'i': 'P≦', '200≦4,000\u2003\u2003(II)'}, {'br': None, 'i': 'S≦', '0.1≦10\u2003\u2003(III);'}], 'inequalities (II) and (III) are further satisfiedP represents a viscosity average degree of polymerization of the vinyl alcohol polymer;S represents a percentage content (mol %) of the monomer unit; andn in the above formula (1) is an integer of 6 or greater and 20 or less.3. The vinyl alcohol polymer according to claim 1 , wherein:{'sup': '6', 'X in the above formula (1) is represented by —CO—NR—*{'sup': '6', 'Rrepresents a hydrogen atom or an alkyl group having 1 to 5 carbon atoms;'}* denotes a binding site on a side where a Si atom is included shown in the above formula (1); andn is an integer of 12 or less.4. An aqueous solution comprising the vinyl alcohol polymer according to in an amount of 4% by mass or more and 20% by mass or less claim 1 , and having a pH of 4 or higher and 8 or lower.5. A coating agent comprising the vinyl alcohol polymer according to .6. A coated article produced by applying the coating agent according to on a surface of a substrate.7. A method for producing a coated article claim 5 , the method comprising applying the coating agent according to on a surface of a substrate.8. An ink ...

Thermosensitive recording material and method for manufacturing the same

An embodiment of the present invention provides a thermosensitive recording material and a method for manufacturing the same. The thermosensitive recording material includes, on a support, a thermosensitive recording layer containing a polyvinyl alcohol and a color development component; and a protective layer containing a resin component, in this order from the support side. At least one of the thermosensitive recording layer or the protective layer further contains a styrene-isoprene resin.

THERMAL RECORDING MATERIAL

A thermal recording material having both of excellent coloring property and storage stability with a low cost is provided. The thermal recording material contains a leuco dye and a developer in a coloring layer, and the developer contains 2,4′-dihydroxydiphenylsulfone and 4,4′-dihydroxydiphenylsulfone with a specific ratio, and the above-mentioned two kinds of the dihydroxydiphenylsulfones are made a material obtained by sequentially undergoing a separating step for heightening the weight ratio of a 2,4′ material from a dichlorodiphenylsulfone mixture containing the 2,4′ material and a 4,4′ material, a reaction step of hydrolyzing the mixture to obtain a dihydroxydiphenylsulfone mixture, and a post-treatment step of subjecting to decolorization and purification. 1. A thermal recording material which comprises a support and a coloring layer containing a colorless or pale colored dye precursor and a developer provided thereon , wherein the developer contains 2 ,4′-dihydroxydiphenylsulfone and 4 ,4′-dihydroxydiphenylsulfone , and a weight ratio of the 2 ,4′-dihydroxydiphenylsulfone and the 4 ,4′-dihydroxydiphenylsulfone is within a range of exceeding 50/50 and 95/5 or less , further the 2 ,4′-dihydroxydiphenylsulfone and the 4 ,4′-dihydroxydiphenylsulfone contain materials obtained by sequentially undergoing a separating step of obtaining a second mixture where a weight ratio of 2 ,4′-dichlorodiphenylsulfone is heightened from a first mixture containing the 2 ,4′-dichlorodiphenylsulfone and 4 ,4′-dichlorodiphenylsulfone , a reaction step of reacting the second mixture to obtain a third mixture containing the 2 ,4′-dihydroxydiphenylsulfone and the 4 ,4′-dihydroxydiphenylsulfone , and a post-treatment step of decolorizing and purifying the third mixture.2. The thermal recording material according to claim 1 , wherein the weight ratio is substantially determined by undergoing a series of the steps.3. The thermal recording material according to claim 1 , wherein the ...

Thermochromic color-memory composition and thermochromic color-memory microcapsule pigment encapsulating same

Provided are thermochromic color-memory composition and thermochromic color-memory microcapsule pigment encapsulating the same, the thermochromic color-memory composition including: (a) a component composed of an electron-donating color-developing organic compound; (b) a component composed of an electron-accepting compound; and (c) a component composed of an ester compound represented by the following Formula (1) as a reaction medium which controls color reaction between the components (a) and (b): (wherein, R represents an alkyl group having 3 to 18 carbon atoms or an aliphatic acyl group having 3 to 18 carbon atoms; X represents a hydrogen atom, an alkyl group having 1 to 3 carbon atoms, an alkoxy group having 1 or 2 carbon atoms or a halogen atom; Y represents a hydrogen atom or a methyl group; and Z represents a hydrogen atom, an alkyl group having 1 to 4 carbon atoms, an alkoxy group having 1 or 2 carbon atoms or a halogen atom).

Compounds for Reducing Background Color in Color Change Compositions

Aspects of the invention include color change compositions having a color former and color developer composition that transitions from a first color state to a second color state upon application of an applied stimulus and an amount of a copolymer sufficient to eliminate background color of the color former and color developer composition during transition from the first color state to the second color state. Methods for preparing and devices employing the color change compositions of the invention are also described. 1. A color change composition comprising:a composition comprising a color former and a color developer that transitions from a first color state to a second color state upon application of an applied stimulus; andan amount of a copolymer sufficient to eliminate background color of the composition during transition from a first color state to a second color state.4. The color change composition according to claim 3 , wherein Ris a C1-C12 alkyl.5. The color change composition according to claim 3 , wherein Ris methyl.6. The color change composition according to claim 3 , wherein Ris ethyl.7. The color change composition according to claim 3 , wherein the ratio of n to m ranges between 1:1 and 1:10.8. The color change composition according to claim 7 , wherein the ratio of n to m is 1:5.9. The color change composition according to claim 3 , wherein the ratio of n to m ranges between 1:1 and 10:1.10. The color change composition according to claim 9 , wherein the ratio of n to m is 5:1.11. The color change composition according to claim 3 , wherein the copolymer is ethyl vinyl acetate.12. The color change composition according to claim 11 , wherein the ethyl vinyl acetate copolymer has a molecular weight of 5 kDa to 100 kDa.13. The color change composition according to claim 11 , wherein the ethyl vinyl acetate copolymer has a vinyl acetate content which ranges from 5% to 45% by weight.15. The color change composition according to claim 14 , wherein Ris a ...

Self-adhesive, heat-sensitive recording material

The invention relates to a self-adhesive, heat-sensitive recording material, comprising a carrier substrate, a heat-sensitive, color-forming layer that is applied on one side of the carrier substrate and contains at least a non-phenolic color developer in and at least one color former, a siliconized layer on the upper side of the heat-sensitive, color-forming layer that is applied on the carrier substrate, as well as an adhesive layer on the side of the carrier substrate facing away from the heat-sensitive, color-forming layer.

HEAT-SENSITIVE RECORDING MATERIAL

The invention relates to a heat-sensitive recording material, comprising a supporting substrate and a heat-sensitive color-forming layer, which contains at least one color former and at least one phenol-free color developer, characterized in that the at least one color developer is a compound of formula (I), wherein Ar is an aryl residue, a heteroaryl residue, or a benyzl residue and Y is an aryl residue, a heteroaryl residue, a benzyl residue, an aryloxy residue, a heteroaryloxy residue, a benzyloxy residue, an arylamino residue, a heteroarylamino residue, or a benzylamino residue. The invention further relates to a method for producing said heat-sensitive recording material. 2. A heat-sensitive recording material according to claim 1 , characterised in that Ar and/or Y contain at least one substituent.3. A heat-sensitive recording material according to claim 2 , characterised in that the at least one substituent is selected from the group comprising C-Calkyl claim 2 , a C-Calkenyl claim 2 , C-Calkinyl claim 2 , alkoxy (RO) claim 2 , halide claim 2 , carboxyl (ROCO) claim 2 , cyanide claim 2 , Ar—OSO claim 2 , nitro claim 2 , —NH—CO—NH—Argroups claim 2 , wherein R is a C-Calkyl claim 2 , a C-Calkenyl claim 2 , a C-Calkinyl or a phenyl group claim 2 , and wherein Aris an aromatic group.4. A heat-sensitive recording material according to claim 1 , characterised in that Ar is a phenyl group and Y is an arylamino group.5. A heat-sensitive recording material according to claim 1 , characterised in that Ar is a phenyl group and Y is a 4-methoxycarbonyl phenyl group.6. A heat-sensitive recording material according to claim 1 , characterised in that the phenol-free colour developer is selected from the group consisting of N-phenyl-N′[(phenylamino)sulfonyl]urea claim 1 , N-(4-methylphenyl)-N′[(4-methylphenylamino)sulfonyl]-urea claim 1 , N-(4-ethoxycarbonylphenyl)-N′[(4-ethoxycarbonylphenylamino)sulfonyl]-urea claim 1 , N-(1-naphthyl)-N′[(1-naphthylamino)sulfonyl]urea claim ...

THERMOSENSITIVE RECORDING MEDIUM

A primary object of the present invention is to provide a thermosensitive recording material that achieves high recording density and excellent preservability of a recorded part, or to provide a thermosensitive recording material that achieves high recording density, and excellent heat resistant and resistance to thermal background fogging property in a high temperature environment, as well as excellent sticking resistance and resistance to dirt adhesion of head. 2. The thermosensitive recording material according to claim 1 , wherein the sulfonamide compound represented by general formula (1) is N-[2-(3-phenylureido)phenyl]benzenesulfonamide.3. The thermosensitive recording material according to claim 1 , wherein the adhesive agent is at least one type selected from the group consisting of diacetone-modified polyvinyl alcohol claim 1 , acetoacetyl-modified polyvinyl alcohol claim 1 , carboxy-modified polyvinyl alcohol claim 1 , acrylic resins claim 1 , polyolefin resins claim 1 , and (meth)acrylamide copolymers having a core-shell structure.4. The thermosensitive recording material according to claim 1 , wherein the adhesive agent is at least one type of modified polyvinyl alcohol selected from the group consisting of diacetone-modified polyvinyl alcohol and acetoacetyl-modified polyvinyl alcohol.5. The thermosensitive recording material according to claim 1 , wherein the thermosensitive recording layer further contains at least one type of sensitizer selected from the group consisting of 2-naphthyl benzyl ether claim 1 , di-p-chlorobenzyl oxalate claim 1 , di-p-methylbenzyl oxalate claim 1 , 1 claim 1 ,2-di(3-methylphenoxy)ethane claim 1 , 1 claim 1 ,2-diphenoxyethane claim 1 , and diphenyl sulfone.6. The thermosensitive recording material according to claim 4 , wherein a degree of saponification of the modified polyvinyl alcohol is from 85 to 100 mol %.7. The thermosensitive recording material according to claim 3 , wherein the adhesive agent is diacetone- ...

Novel developer for thermal recording media and thermal composition media using the same

The subject invention more specifically discloses compounds which are particularly useful as a developer for thermal recording media. These compounds include p-(p-{3-[p-(p-hydroxyphenoxy)phenyl]ureido}phenoxy)phenol, m-(p-{3-[p-(p-hydroxyphenoxy)phenyl]ureido}phenoxy)phenol, o-(p-{3-[p-(p-hydroxyphenoxy)phenyl]ureido}phenoxy)phenol, p-(p-{3-[m-(p-hydroxyphenoxy)phenyl]ureido}phenoxy)phenol, and p-(m-{3-[o-(p-hydroxyphenoxy)phenyl]ureido}phenoxy)phenol. The present invention also reveals a thermal recording sheet having a thermal recording layer containing a colorless or pale colored dye precursor and a color developer reactable with said dye precursor upon heating to develop a color, wherein said color developer is a compound selected from the group consisting of p-(p-{3-[p-(p-hydroxyphenoxy)phenyl]ureido}phenoxy)phenol, m-(p-{3-[p-(p-hydroxyphenoxy)phenyl]ureido}phenoxy)phenol, o-(p-{3-[p-(p-hydroxyphenoxy)phenyl]ureido}phenoxy)phenol, p-(p-{3-[m-(p-hydroxyphenoxy)phenyl]ureido}phenoxy)phenol, and p-(m-{3-[o-(p-hydroxyphenoxy)phenyl]ureido}phenoxy)phenol.

THERMOCHROMIC INK COMPOSITION

A thermochromic ink composition includes, in a liquid medium, known as solvent, a dispersion of thermochromic microcapsules incorporating at least one leuco-dye and a thermoplastic binder selected from the group containing polyacrylic polyesters, polyurethanes and copolymers thereof. The composition is characterised in that the solvent is aprotic. A a method for producing a card and such a card incorporating at least one thermochromic pattern produced with a thermochromic ink composition are also described. 114-. (canceled)16. The composition as claimed in claim 15 , wherein said solvent is chosen from the group of aprotic solvents having a dipole moment of from 0 to 1.9 C·m.17. The composition as claimed in claim 15 , wherein said solvent is chosen from the group of aprotic solvents having a dielectric constant of from 1.5 to 11.18. The composition as claimed in claim 15 , wherein said solvent is chosen from the group of polar aprotic solvents.19. The composition as claimed in claim 15 , comprising thermochromic microcapsules of melamine formaldehyde.20. The composition as claimed in claim 15 , comprising as binder a thermoplastic resin chosen from the group formed of alkyl poly(meth)acrylates and copolymers thereof.21. The composition as claimed in claim 15 , further comprising at least one anti-UV additive chosen from the group formed of ultraviolet absorbers and light stabilizers.22. The composition as claimed in claim 15 , comprising from 1 wt. % to 10 wt. %—especially from 2 wt. % to 5 wt. %—of an anti-UV additive.23. The composition as claimed in claim 15 , comprising in said solvent from 5 to 35 wt. % thermochromic microcapsules claim 15 , from 30 to 45 wt. % thermoplastic binder claim 15 , from 1 to 10 wt. % of at least one anti-UV additive.24. Method for producing a card of thermoplastic material—especially of polycarbonate—comprising at least one step of hot lamination under pressure of a plurality of layers of thermoplastic material especially of ...

THERMAL IMAGING MEMBERS AND METHODS

There are described thermal imaging members and thermal imaging methods utilizing unsymmetrical rhodamine compounds. The rhodamine color-forming compounds exhibit a first color when in a crystalline form and a second color, different from the first color, when in an amorphous form. 2. The thermal imaging member as defined in wherein said compound represented by formula I has a glass transition temperature of at least 50° C.3. The thermal imaging member as defined in wherein said image-forming layer further comprises at least one thermal solvent.4. The thermal imaging member as defined in wherein said thermal solvent is selected from the group consisting of diphenylsulfone claim 3 , 4 claim 3 ,4′-dimethyldiphenylsulfone claim 3 , phenyl p-tolylsulfone claim 3 , 4 claim 3 ,4′-dichlorodiphenylsulfone claim 3 , and mixtures thereof.5. The thermal imaging member as defined in wherein said image-forming layer further comprises at least one compound comprising a phenolic grouping.6. The thermal imaging member as defined in wherein said compound comprising a phenolic grouping is selected from the group consisting of 2 claim 5 ,2′-methylenebis(6-tert-butyl-4-methylphenol) claim 5 , 2 claim 5 ,2′-methylenebis(6-tert-Butyl-4-Ethyl-Phenol) claim 5 , 2 claim 5 ,2′-ethylidenebis(4 claim 5 ,6-di-tert-butylphenol) claim 5 , bis[2-hydroxy-5-methyl-3-(1-methylcyclohexyl)phenyl]-methane claim 5 , 1 claim 5 ,3 claim 5 ,5-tris(2 claim 5 ,6-dimethyl-3-hydroxy-4-tert-butylbenzyl) isocyanurate claim 5 , 2 claim 5 ,6-bis[[3-(1 claim 5 ,1-dimethylethyl)-2-hydroxy-5-methylphenyl]methyl]-4-methyl-phenol claim 5 , 2 claim 5 ,2′-butylidenebis[6-(1 claim 5 ,1-dimethylethyl)-4-methyl-phenol claim 5 , 2 claim 5 ,2′-(3 claim 5 ,5 claim 5 ,5-trimethylhexylidene)bis[4 claim 5 ,6-dimethyl-phenol] claim 5 , 2 claim 5 ,2′-methylenebis[4 claim 5 ,6-bis(1 claim 5 ,1-dimethylethyl)-phenol claim 5 , 2 claim 5 ,2′-(2-methylpropylidene)bis[4 claim 5 ,6-dimethyl-phenol] claim 5 , 1 claim 5 ,1 claim 5 ,3-tris(2- ...

Thermosensitive recording medium

A thermosensitive recording medium is provided that is excellent in heat discoloration resistance in the blank portions and in bar code readability. It also has excellent water resistance and printing (recording) run-ability. The thermosensitive recording medium includes a support, a thermosensitive recording layer installed on the support, and a protective layer on the thermosensitive recording layer. The thermosensitive recording layer contains two kinds of electron accepting color developing agents, a sulfonic acid compound and a diphenyl sulfone compound. Both the thermosensitive recording layer and the protective layer contain crosslinking agents, and at least one, and preferably both, of the thermosensitive recording layer and the protective layer contain an ammonium zirconium carbonate as the crosslinking agent.

COMPOSITIONS AND METHODS FOR SENSITIZING HEAT MEDIA

A heat-sensitive recording composition and recording material. The recording material comprising a substrate, wherein a heat-sensitive composition comprising color formers, color developers and a sensitizer comprising a combination of ortho-toluenesulfonamide and para-toluenesulfonamide (OPTSA) is deposited onto the surface of the substrate. 1. A heat-sensitive recording composition comprising:a) one or more color formers;b) one or more color developers; andc) at least one sensitizer comprising a mixture of ortho-toluenesulfonamide and para-toluenesulfonamide (OPTSA).2. The recording composition according to claim 1 , the at least one sensitizer has a ratio of ortho-toluenesulfonamides to para-toluenesulfonamides of from about 0.5:99.5 to about 99.5:0.5 based on dry weight of the OPTSA mixture.3. The recording composition according to claim 1 , wherein the at least one sensitizer is present in an amount of from about 0.1 to about 6 parts by dry mass per one part of the one or more color formers.4. The recording composition according to claim 1 , wherein the one or more color developers is chosen from phenolic color developers claim 1 , non-phenolic color developers and combinations thereof.5. The recording composition according to claim 4 , wherein the one or more color developers is chosen from 5-(N-3-methylphenyl-sulfonylamido)-(N′ claim 4 ,N″-bis-(3-methylphenyl)-isophthalic acid diamide claim 4 , [3-(p-tolylsulfonylcarbamoylamino)phenyl]4-methylbenzenesulfonate claim 4 , 2.4′-dihydroxydiphenylsulfone claim 4 , 4.4′-dihydroxydiphenylsulfone claim 4 , bis-(3-allyl-4-hydroxyphenyl) sulfone claim 4 , 4-[4′-[(1′-methylethyloxy)phenyl]sulfonyl]phenol claim 4 , 4-hydroxyphenyl 4-isoprooxyphenyl sulfone claim 4 , N-{2-[(phenylcarbamoyl)amino]phenyl} benzenesulfonamide claim 4 , phenol claim 4 , 4-[[4-(2-propenlyloxy)phenyl]sulfonyl claim 4 , 4-Hydroxy-4′benzyloxydiphenylsulfone claim 4 , and 4.4′bis(N-carbamoyl-4-methylbenzenesulfonamide) diphenylmethane claim 4 , 4.4′- ...

LASER MARKABLE COMPOSITIONS, ARTICLES AND DOCUMENTS

A laser markable composition includes (a) an aqueous medium; (b) polymeric particles dispersed in the aqueous medium; (c) a colour developing agent or colour developing agent precursor; and (d) an optothermal converting agent; characterized in that a leuco dye is covalently bonded to the polymeric particles. 115-. (canceled)16. A laser markable composition comprising:an aqueous medium;polymeric particles dispersed in the aqueous medium;a color developing agent or a color developing agent precursor;an optothermal converting agent; anda leuco dye covalently bonded to the polymeric particles.17. The laser markable composition according to claim 16 , wherein the polymeric particles include a copolymer of a first monomer including the leuco dye and a second monomer.18. The laser markable composition according to claim 17 , wherein an amount of the first monomer relative to a total weight of the polymer particles is between 5 wt % and 15 wt %.19. The laser markable composition according to claim 16 , wherein the polymeric particles are prepared by emulsion polymerization.20. The laser markable composition according to claim 16 , wherein the polymer particles have an average particle diameter measured by dynamic laser diffraction between 15 nm and 350 nm.21. The laser markable composition according to claim 16 , wherein the color developing agent precursor includes a polymer particle that generates an acid upon exposure to heat.22. The laser markable composition according to claim 21 , wherein the polymer particles include a vinylidene chloride copolymer.24. The laser markable composition according to claim 23 , wherein the color developing agent precursor is represented by Formula I.25. The laser markable composition according to claim 24 , wherein R1 is a tolyl group and R2 is a Cto C-alkyl group or a cycloalkyl group.26. The laser markable composition according to claim 16 , wherein the optothermal converting agent includes an infrared radiation absorbing dye claim 16 , ...

DEVELOPER AND THERMOSENSITIVE RECORDING MATERIAL

An object of the present invention is to provide: a developer that can provide a thermosensitive recording material excellent in color development sensitivity and storage stability; and a thermosensitive recording material obtained using the developer. The object is achieved by a developer including a compound represented by the following Formula (1). 2. The developer according to claim 1 , wherein in Formula (1) claim 1 , a is 1 or 2.3. The developer according to claim 1 , wherein in Formula (1) claim 1 , A is substituted at m-position or p-position.4. The developer according to claim 3 , wherein in Formula (1) claim 3 , A is substituted at the m-position.5. The developer according to claim 3 , wherein in Formula (1) claim 3 , a is 1.6. The developer according to claim 1 , wherein in Formula (1) claim 1 , A is a fluoro group or a trifluoromethyl group.7. The developer according to claim 1 , wherein in Formula (1) claim 1 , L is selected from any of a phenyl group claim 1 , an o-toluyl group claim 1 , an m-toluyl group claim 1 , or a p-toluyl group.8. A developer having an image density of 0.70 or more in a case in which a particle diameter D50 is 0.5 μm claim 1 , and having a relative density ratio 4.0/0.5 of 0.85 or more claim 1 , whereinthe relative density ratio 4.0/0.5 is a ratio of an image density in a case in which the particle diameter D50 of the developer is 4.0 μm given that an image density in a case in which the particle diameter D50 of the developer is 0.5 μm is 1, andthe image density is measured by performing printing on a thermosensitive recording material comprising a support and a thermosensitive recording layer that comprises a leuco dye and the developer and does not comprise a sensitizer, using a thermal printer at an applied energy of 0.36 mJ/dot.9. The developer according to claim 8 , the developer further having a relative density ratio 5.0/0.5 of 0.85 or more claim 8 ,wherein the relative density ratio 5.0/0.5 is a ratio of an image density ...

LASER MARKABLE COMPOSITIONS, MATERIALS AND DOCUMENTS

A colour laser markable composition includes at least a first and a second Diffusion Hindered Molecular Assembly (DHMA), each including a leuco dye and, respectively, a first and second sensitizer. With the laser markable composition, at least two different colours may be formed in a single layer. 115-. (canceled)16. A color laser markable composition comprising:a first Diffusion Hindered Molecular Assembly including a first leuco dye and a first sensitizer; anda second Diffusion Hindered Molecular Assembly including a second leuco dye and a second sensitizer.17. The color laser markable composition according to claim 16 , wherein each of the first sensitizer and the second sensitizer has an absorption maximum at different wavelengths.18. The color laser markable composition according to claim 17 , wherein the absorption maxima of the first sensitizer and the second sensitizer differ by at least 150 nm.19. The color laser markable composition according to claim 16 , wherein the first sensitizer and the second sensitizer include infrared absorbing compounds.20. The color laser markable composition according to claim 16 , wherein the first sensitizer includes an infrared absorbing dye and the second sensitizer includes an infrared absorbing pigment.21. The color laser markable composition according to claim 16 , wherein each of the first and second Diffusion Hindered Molecular Assemblies includes a capsule defined by a polymeric shell surrounding a core containing the first and second leuco dyes and the first and second sensitizers claim 16 , respectively.22. The color laser markable composition according to claim 16 , wherein each of the first and second Diffusion Hindered Molecular Assemblies includes a polymer particle charged with the first and second leuco dyes and the first and second sensitizers claim 16 , respectively.23. The color laser markable composition according to claim 16 , wherein each of the first and second Diffusion Hindered Molecular Assemblies is ...

Thermally-Responsive Record Material

The invention describes a thermally-responsive record material substantially free of aromatic isocyanate. The record material comprises a support having provided thereon a heat-sensitive composition comprising a substantially colorless dye precursor comprising a fluoran; and a developer material selected from the group consisting of 4,4′-diaminodiphenylsulfone and 3,3′-diaminodiphenylsulfone in combination with N-[(butylamino)carbonyl]-4-methylbenzene sulfonamide, which upon being heated react with said dye precursor to develop color, and including a binder material.

LASER MARKABLE MATERIALS AND DOCUMENTS

A colour laser markable article includes at least a first and a second laser markable layer including, respectively, a first infrared dye IR-1 having an absorption maximum in the infrared region λ(IR-1) and a second infrared dye IR-2 having an absorption maximum in the infrared region λ(IR-2), characterized in that the colour laser markable layers further include a Diffusion Hindered Molecular Assembly (DHMA) which contains a leuco dye. 115-. (canceled)16. A color laser markable article comprising:{'sub': 'max', 'a first laser markable layer including a first infrared dye IR-1 having an absorption maximum in the infrared region λ(IR-1); and'}{'sub': 'max', 'a second laser markable layer including a second infrared dye IR-2 having an absorption maximum in the infrared region λ(IR-2); wherein'}the first and second laser markable layers further include a Diffusion Hindered Molecular Assembly including a leuco dye.17. The color laser markable article according to claim 16 , wherein the Diffusion Hindered Molecular Assembly includes a capsule including a polymeric shell surrounding a core claim 16 , and the core includes the leuco dye.18. The color laser markable article according to claim 17 , wherein the polymeric shell includes a polymer selected from the group consisting of a polyamide claim 17 , a melamine based polymer claim 17 , a polyurea polymer claim 17 , a polyurethane polymer claim 17 , and copolymers thereof.19. The color laser markable article according to claim 16 , wherein the Diffusion Hindered Molecular Assembly includes a polymer particle charged with the leuco dye.20. The color laser markable article according to claim 16 , wherein the Diffusion Hindered Molecular Assembly includes a Composite Particle Dispersion including the leuco dye.21. The color laser markable article according to claim 16 , wherein at least one of the first infrared dye IR-1 and the second infrared dye IR-2 is incorporated into the Diffusion Hindered Molecular Assembly.22. The ...

THERMOSENSITIVE RECORDING MEDIUM AND EXTERIOR MEMBER

A thermosensitive recording medium according to an embodiment of the present disclosure includes: a recording layer that includes a coloring compound having electron-donating property, a developer having electron-accepting property, a photothermal conversion agent, and a polymer material; and a protective member that is stacked on the recording layer, and has a convexo-concave shape in a plane. 1. A thermosensitive recording medium comprising:a recording layer that includes a coloring compound having electron-donating property, a developer having electron-accepting property, a photothermal conversion agent, and a polymer material; anda protective member that is stacked on the recording layer, and has a convexo-concave shape in a plane.2. The thermosensitive recording medium according to claim 1 , wherein a distance from a front surface of the protective member to the recording layer is different in a plane.3. The thermosensitive recording medium according to claim 1 , wherein a difference between a convex portion and a concave portion of the convexo-concave shape is equal to or more than 100 μm and equal to or less than 7 mm.4. The thermosensitive recording medium according to claim 1 , wherein the protective member has a curvature in the plane.5. The thermosensitive recording medium according to claim 1 , comprising a hollow structure between the recording layer and the protective member.6. The thermosensitive recording medium according to claim 1 , wherein the recording layer includes a plurality of layers.7. The thermosensitive recording medium according to claim 6 , whereinthe recording layer includes a first layer and a second layer as the plurality of layers, andthe first layer and the second layer include photothermal conversion agents of absorption wavelengths different from each other.8. The thermosensitive recording medium according to claim 7 , wherein a thermal insulating layer is provided between the first layer and the second layer.9. The ...

AQUEOUS DISPERSION RESIN COMPOSITION, RESIN COMPOSITION FOR A THERMAL RECORDING LAYER, RESIN COMPOSITION FOR A PROTECTION LAYER, AND THERMAL RECORDING MATERIAL

An aqueous dispersion resin composition contains a first polymer produced by polymerizing a first monomer component containing (meth)acrylamide and a second polymer produced by polymerizing a second monomer component containing a carboxy group-containing vinyl monomer, wherein at least a portion of the carboxy group in the second polymer is neutralized. 1. An aqueous dispersion resin composition comprising a first polymer produced by polymerizing a first monomer component containing (meth)acrylamide , anda second polymer produced by polymerizing a second monomer component containing a carboxy group-containing vinyl monomer,wherein at least a portion of the carboxy group in the second polymer is neutralized.2. The aqueous dispersion resin composition according to claim 1 , wherein the carboxygroup-containing vinyl monomer content relative to 100 parts by mass of the second monomer component is 4 parts by mass or more and 20 parts by mass or less.3. The aqueous dispersion resin composition according to claim 1 , wherein the (meth)acrylamide content relative to 100 parts by mass of the first monomer component is 50 parts by mass or more and 100 parts by mass or less.4. The aqueous dispersion resin composition according to claim 1 , wherein the first monomer component further contains a carboxy group-containing vinyl monomer and/or a hydroxyl group-containing vinyl monomer.5. The aqueous dispersion resin composition according to claim 1 , wherein the second monomer component further contains (meth)acrylonitrile claim 1 , andthe (meth)acrylonitrile content relative to 100 parts by mass of the second monomer component is 15 parts by mass or more and 90 parts by mass or less.6. The aqueous dispersion resin composition according to claim 1 , wherein the first polymer content relative to 100 parts by mass of the second polymer is 5 parts by mass or more and 500 parts by mass or less.7. The aqueous dispersion resin composition according to claim 1 , wherein the carboxylic ...

Color acceptor reacting in a color-forming manner to a pigment precursor and heat-sensitive recording material having such a color acceptor

A color acceptor for chemical reaction with a dye precursor to form a visually recognizable color. The color acceptor is constructed of lactic acid monomers. Also disclosed is a heat-sensitive recording material with a substrate and a heat-sensitive recording layer, wherein the heat-sensitive recording layer contains at least one dye precursor and at least one color acceptor which react with one another in a color-forming manner when heat is applied, and wherein the color acceptor is constructed of lactic acid monomers.

Laser markable compositions, articles and documents

A laser markable composition includes (a) an aqueous medium; (b) capsules composed of a polymeric shell surrounding a core; (c) a colour developing agent or colour developing agent precursor; and (d) an optothermal converting agent; characterized in that the core of the capsule contains a leuco dye.

THERMAL RECORDING MATERIALS

A thermal recording material having a heat-sensitive color-forming layer that contains a phosphate modifier in addition to an activator and lueco dye can provide good imaging. The phosphate modifier such as unsubstituted dibenzyl phosphate can be paired with an activator such 3-(4-hydroxyphenyl)propionic acid to provide an environmentally friendly thermal recording material. 2. The thermal recording material according to claim 1 , wherein R is selected from a C1-C6 alkyl group or a C1-C6 alkoxy group.3. The thermal recording material according to claim 1 , wherein n is 0.4. The thermal recording material according to claim 1 , wherein said activator is selected from the group consisting of benzoic acid claim 1 , 3 claim 1 ,4-dihydroxyphenyl acetic acid claim 1 , citric acid claim 1 , salicylic acid claim 1 , ascorbic acid claim 1 , and tryptophan.6. The thermal recording material according to claim 5 , wherein Ris methylene.7. The thermal recording material according to claim 1 , wherein Ris hydroxyl and m is 1.8. The thermal recording material according to claim 7 , wherein said activator is 3-(4-hydroxyphenyl)propionic acid.9. The thermal recording material according to claim 8 , wherein said phosphate modifier is a compound of formula I wherein n is 0.10. The thermal recording material according to claim 1 , wherein the weight ratio of said activator to said leuco dye is within the range of about 0.5:1 to 10:1.11. The thermal recording material according to claim 1 , wherein the weight ratio of said phosphate modifier to said leuco dye is within the range of about 0.5:1 to 10:1.12. The thermal recording material according to claim 1 , wherein said heat-sensitive color-forming layer is a single coated layer.13. The thermal recording material according to claim 1 , wherein said heat-sensitive color-forming layer is comprised of two sub-layers; a first sub-layer containing said leuco dye and a second sub-layer containing said activator and said phosphate modifier.14 ...

Reversible recording medium

A reversible recording medium according to an embodiment of the present disclosure is a reversible recording medium that includes recording layers and heat-insulating layers that are alternately stacked, in which the recording layers each include a reversible heat-sensitive color developing composition and a first light-heat converting agent. In this reversible recording medium, the recording layers are different from each other in a developing color of their respective reversible heat-sensitive color developing compositions and are different from each other in an absorption wavelength of their respective first light-heat converting agents. This reversible recording medium further includes a heat-generating layer that includes a second light-heat converting agent having an absorption wavelength that is different from the absorption wavelength of the first light-heat converting agent included in each of the recording layers.

THERMOSENSITIVE RECORDING BODY

A thermosensitive recording body has at least a thermosensitive recording layer and a topcoat layer formed on a substrate. The substrate consists of a transparent film. At least the thermosensitive recording layer and the topcoat layer includes a diffuse reflection suppressor component that suppresses diffuse reflection of light from particles constituting the thermosensitive recording layer and the topcoat layer. 1. A thermosensitive recording body , comprising at least a thermosensitive recording layer and a topcoat layer formed on a substrate ,the substrate consisting of a transparent film,at least the thermosensitive recording layer and the topcoat layer including a diffuse reflection suppressor component that suppresses diffuse reflection of light from particles constituting the thermosensitive recording layer and the topcoat layer.2. The thermosensitive recording body as claimed in claim 1 , wherein the thermosensitive recording body claim 1 , exclusive of the substrate claim 1 , has a thickness greater than or equal to 1.0 μm and less than or equal to 10 μm claim 1 , andthe thermosensitive recording body has an opacity less than or equal to 10% pursuant to JIS: P8138.3. The thermosensitive recording body as claimed in claim 1 , wherein the thermosensitive recording layer includes a low-melting paraffin as the diffuse reflection suppressor component claim 1 , the low-melting paraffin having a melting point lower than or equal to a color developing temperature.4. The thermosensitive recording body as claimed in claim 2 , wherein the thermosensitive recording layer includes a low-melting paraffin as the diffuse reflection suppressor component claim 2 , the low-melting paraffin having a melting point lower than or equal to a color developing temperature.5. The thermosensitive recording body as claimed in claim 1 , further comprising an intermediate layer between the thermosensitive recording layer and the topcoat layer claim 1 , whereinthe intermediate layer ...

Thermally-Responsive Record Material

The invention describes a thermally-responsive record material substantially free of aromatic isocyanate. The record material comprises a support having provided thereon a heat-sensitive composition comprising a substantially colorless dye precursor comprising a fluoran; and a developer material selected from the group consisting of 4,4′-diaminodiphenylsulfone and 3,3′-diaminodiphenylsulfone, which upon being heated react with said dye precursor to develop color, and including a binder material. Optionally, a modifier compound is included in the heat-sensitive composition. The modifier compound can be selected from the group consisting of a fatty acid amide, preferably a saturated fatty acid amide such as an alkyl amide, a bis methylene alkyl amide, or a bis ethylene alkyl amide, or any of 1,2-diphenoxy ethane, dimethyl diphenoxy ethane, and dimethyl phthalate. 1. A thermally-responsive record material , substantially free of aromatic isocyanate , the record material comprising a support having provided thereon a heat-sensitive composition comprising:a substantially colorless dye precursor comprising a fluoran;a developer material selected from the group consisting of 4,4′-diaminodiphenylsulfone and 3,3′-diaminodiphenylsulfone, which upon being heated react with said dye precursor to develop color;and a binder material.2. The thermally-responsive record material according to wherein the heat-sensitive composition comprises in addition a modifier compound.3. The thermally responsive record material according to wherein the modifier compound is selected from the group consisting of fatty acid amide claim 2 , 1 claim 2 ,2-diphenoxy ethane claim 2 , dimethyl diphenoxy ethane claim 2 , and dimethyl phthalate.6. The thermally-responsive record material according to wherein the heat sensitive composition includes in addition a modifier compound which is a fatty acid amide.7. The thermally-responsive record material according to wherein the fatty acid amide is selected from ...

Thermally-Responsive Record Material

The invention describes an improved thermally-responsive record material substantially free of aromatic isocyanate yielding an image of high intensity and useful for bar codes. The record material comprises a support having provided thereon a heat-sensitive composition comprising a substantially colorless color former comprising a fluoran; and a developer material selected from the group consisting of 4,4′-diaminodiphenylsulfone and 3,3′-diaminodiphenylsulfone, and an organic acid which upon being heated reacts with said color former to develop color, and including a binder material. Optionally, a modifier compound is included in the heat-sensitive composition. The compound can be selected from the group consisting of a fatty acid amide, such as stearmide. Optionally, magnesium state is included. 1. A thermally-responsive record material , substantially free of aromatic isocyanate , the record material comprising a support having provided thereon a heat-sensitive composition comprising:a substantially colorless color former;a developer material selected from the group consisting of 4,4′-diaminodiphenylsulfone and 3,3′-diaminodiphenylsulfone, which upon being heated react with said dye precursor to develop color;an organic acid;and a binder material.3. The thermally-responsive record material according to wherein the organic acid is o-acetyl salicyclic acid claim 2 , coumaric acid claim 2 , vanillic acid claim 2 , cinnamic acid claim 2 , salicylic acid claim 2 , 3-(4-hydroxyphenyl)propionic acid claim 2 , 2-(2-hydroxyphenyl)propionic acid claim 2 , or 3 claim 2 ,4-dihydroxyphenyl acetic acid.4. The thermally-responsive record material according to wherein the organic acid is selected from the group consisting of alkanedienoic acid claim 1 , alkanedioic acid claim 1 , hydroxyalkanetricarboxylic acid claim 1 , and dihydroxyfuranone.5. The thermally-responsive record material according to wherein the organic acid is citric acid claim 4 , ascorbic acid claim 4 , sorbic ...

SENSITIZER PARTICLE DISPERSION FOR THERMOSENSITIVE RECORDING MEDIUM COMPOSED MAINLY OF STEARIC ACID AMIDE, PREPARATION METHOD THEREOF, MIXED DISPERSION COMPOSITION FOR THERMOSENSITIVE RECORDING LAYER, AND THERMOSENSITIVE RECORDING MEDIUM

A sensitizer particle dispersion containing stearic acid amide, a preparation method thereof, a mixed dispersion composition for a thermosensitive recording layer using the sensitizer particle dispersion, and a thermosensitive recording medium using the mixed dispersion composition are provided. The sensitizer particle dispersion can be safely prepared under atmospheric pressure by mixing stearic acid amide and another sensitizer at a mass ratio of 95:5˜51:49; co-melting the mixture by heat in emulsifier-dispersed water, whereby the mixture is unified and emulsified into particles, or emulsifying the co-melted mixture of stearic acid amide and the other sensitizer unified by co-melting the mixture by heat, into particles in emulsifier-dispersed water; and quenching the obtained emulsified dispersion, thus crystallizing sensitizer particles from the emulsified particles. 1. A method of preparing a sensitizer particle dispersion for a thermosensitive recording medium composed mainly of stearic acid amide , comprising:mixing stearic acid amide with another sensitizer other than stearic acid amide, at least one selected from the group consisting of 1,2-bis(phenoxy)ethane, 1,2-bis(3-methylphenoxy)ethane, 1,2-bis(4-methylphenoxy)ethane, p-benzylbiphenyl, di-p-methylbenzyl oxalate, β-naphthylbenzylether and diphenylsulfone at a mass ratio of 95:5˜51:49, thus obtaining a mixture;co-melting the obtained mixture by heat in emulsifier-dispersed water, so that the stearic acid amide and the other sensitizer are unified and emulsified into particles, or emulsifying a co-melted mixture of the stearic acid amide and the other sensitizer unified by co-melting the mixture by heat, into particles in emulsifier-dispersed water, thus obtaining an emulsified dispersion; andquenching the emulsified dispersion, thus crystallizing sensitizer particles from the emulsified particles.2. The method of claim 1 , wherein the quenched emulsified dispersion has a temperature of 50° C. or less.3. A ...

A developing agent precursor for laser markable compositions

Developing agent precursors and laser markable compositions including such developing agent precursors.

THERMOSENSITIVE RECORDING MEDIUM

The objective of the present invention is to provide a thermosensitive recording medium excellent in color developing property, especially excellent in bar code readability, under severe environment. Provided is a thermosensitive recording medium having a thermosensitive recording layer comprising a colorless or pale colored electron donating leuco dye and an electron accepting color developing agent on a substrate, wherein the thermosensitive recording layer contains a specific sulfone compound and a specific urea-urethane-based compound in a specific ratio. 2. The thermosensitive recording medium of claim 1 , wherein the content of the urea-urethane-based compound represented by the general formula 2 is from 0.01 to 0.5 parts by weight per 1 part by weight of the sulfone compound represented by the general formula 1.4. The thermosensitive recording medium of claim 1 , wherein at least one of Rand Rrepresents a hydrogen atom.5. The thermosensitive recording medium of claim 1 , wherein m represents 1.6. The thermosensitive recording medium of claim 1 , wherein the sulfone compound is 4-hydroxy-4′-benzyloxy diphenyl sulfone.8. The thermosensitive recording medium of claim 2 , wherein at least one of Rand Rrepresents a hydrogen atom.9. The thermosensitive recording medium of claim 3 , wherein at least one of Rand Rrepresents a hydrogen atom.10. The thermosensitive recording medium of claim 7 , wherein at least one of Rand Rrepresents a hydrogen atom.11. The thermosensitive recording medium of claim 2 , wherein m represents 1.12. The thermosensitive recording medium of claim 3 , wherein m represents 1.13. The thermosensitive recording medium of claim 4 , wherein m represents 1.14. The thermosensitive recording medium of claim 7 , wherein m represents 1.15. The thermosensitive recording medium of claim 2 , wherein the sulfone compound is 4-hydroxy-4′-benzyloxy diphenyl sulfone. The present invention relates to a thermosensitive recording medium for recording image by ...

NON-PHENOLIC COLOR DEVELOPER AND HEAT-SENSITIVE RECORDING MATERIAL

The invention relates to a color developer of formula (I), (Ar—SO—NH-)m-Y—(—NH—C(O)—NH—SO—Ar)n (I), wherein Aris an unsubstituted or substituted aromatic moiety, Aris an unsubstituted or substituted phenyl moiety, Y is at least an (m+n)-times substituted benzene group or naphthalene group, and Y is substituted in such a way that at least one Ar—SO—NH—C(O)—NH group is in ortho-position with respect to at least one Ar—SO—NH group. The invention further relates to a heat-sensitive recording material, comprising a carrier substrate and a heat-sensitive color-forming layer, which contains at least one color former and at least one phenol-free color developer, the at least one color developer being the compound of formula (I). The invention further relates to a method for producing said heat-sensitive recording material. 1. A compound of formula (I){'br': None, 'sup': 1', '2, 'sub': 2', 'm', '2', 'n, '(Ar—SO—NH—)—Y—(—NH—C(O)—NH—SO—Ar)\u2003\u2003(I),'}{'sup': 1', '2', '2', '1, 'sub': 2', '2, 'wherein Aris an unsubstituted or substituted aromatic group, Aris an unsubstituted or substituted phenyl group, Y is at least one benzene group or naphthalene group substituted (m+n) times, and Y is substituted in such a way that at least one Ar—SO—NH—C(O)—NH group is in the ortho position with respect to at least one Ar—SO—NH group.'}2. The compound according to claim 1 , wherein m=1 and n≥1.3. The compound according to claim 1 , wherein n is 1 or 2.4. The compound according to claim 1 , wherein Aris an unsubstituted or substituted phenyl group claim 1 , or an unsubstituted or substituted 2-naphthyl group.5. The compound according to claim 1 , wherein Aris an unsubstituted phenyl or a monosubstituted phenyl group.6. The compound according to claim 1 , wherein the monosubstituted phenyl group is substituted with a C-Calkyl claim 1 , an alkenyl claim 1 , an alkynyl claim 1 , a benzyl claim 1 , an RO claim 1 , a halogen claim 1 , a formyl claim 1 , an ROC claim 1 , an ROC claim 1 , a ...

Heat-Sensitive Recording Material with Barrier Coating

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. 117.-. (canceled)18. A heat-sensitive recording material comprising:a substrate,a heat-sensitive recording layer arranged on the front side of the substrate including at least one dye precursor and at least one color acceptor, said dye precursor and color acceptor reacting with one another under the action of heat to form color,a protective layer covering said heat-sensitive recording layer,a barrier coating comprising ethylene vinyl alcohol copolymer (EVOH) for protecting said heat-sensitive recording layer against penetration of chemicals causing uncontrolled desensitizing reactions and color reactions in said heat-sensitive recording layer, said barrier coating being arranged between said substrate and said heat-sensitive recording layer, anda tincture, as authenticating security feature, being one of introduced into said substrate and applied to at least one side of said substrate.19. The heat-sensitive recording material according to claim 18 , wherein said authenticating security feature is an imitation watermark applied to at least one side of said substrate.20. The heat-sensitive ...

Heat-sensitive recording material

The invention relates to a heat-sensitive recording material. A heat-sensitive recording material, comprising a carrier substrate and a heat-sensitive, colour-forming layer that contains at least one colour former and at least one phenol-free colour developer, is characterised in that said at least one colour developer is a compound of formula (I) where Ar 1 and Ar 2 are a phenyl group and/or a C 1 -C 4 -alkyl substituted phenyl group. The invention also relates to a method for producing this heat-sensitive recording material and to the use, in a heat-sensitive recording material, of the colour developer of formula (I) that is present in said heat-sensitive, colour-forming layer.

RECORDING MATERIAL AND RECORDING SHEET

A recording material and a recording sheet having excellent color-developing performance and storage stability and particularly having excellent heat-resistance of background. The recording material contains a color former (A), a compound represented by formula (I) (B), and a compound represented by formula (II) (C). 3. The recording material according to wherein the compound represented by the above formula (I) is at least one compound of 4 claim 1 ,4′-diaminodiphenyl sulfone and 3 claim 1 ,3′-diaminodiphenyl sulfone.4. The recording material according to wherein Ais SO—NH and X is O in a compound represented by the above formula (III) claim 2 , formula (IV) claim 2 , or formula (V).6. The recording material according to claim 5 , wherein the compound represented by the above formula (VI) is N-(2-(3-phenylureido)phenyl)benzenesulfonamide.7. The recording material according to claim 6 , wherein N-(2-(3-phenylureido)phenyl)benzenesulfonamide is in a crystalline form showing peaks at diffraction angles (2θ±0.10°) of 23.60° claim 6 , 20.80° claim 6 , 12.24° claim 6 , and 13.80° in powder X-ray diffractometry using Cu-Kα rays.8. The recording material according to claim 1 , wherein the color former is a fluoran dye.9. A recording sheet having a recording material layer formed from the recording material according to on a support The present invention relates to a recording material employing color development through a reaction between a color former and a color-developing agent, and a recording sheet using the recording material.The present application claims priority of Japanese Patent Application No. 2016-164088 filed on Aug. 24, 2016, the content of which is incorporated herein by reference.The recording material employing color development through a reaction between a color former and a color-developing agent, since record may be made by a relatively simple apparatus in a short time without applying a complicated treatment such as development and fixation, are ...

PHENOLSULFONIC ACID ARYL ESTER, DEVELOPING AGENT, AND HEAT-SENSITIVE RECORDING MATERIAL

The present invention provides a compound represented by the formula (1). The compound represented by the formula (1) is a developing agent superior in both color-developing sensitivity with low energy and image stability [in the following formula, wherein Ris a hydrogen atom, an alkyl group, an alkenyl group, an aryl group or an aralkyl group, 2. The compound according to claim 1 , wherein the —CO—ORgroup is bound to a carbon atom at the 2-position or 4-position of a benzene ring.3. A developer comprising the compound according to claim 1 ,wherein the developer is suitable for a thermal recording material.4. A thermal recording material claim 1 , comprising:a support, anda thermal recording layer on the support,whereinthe thermal recording layer comprises a colorless or pale-colored basic leuco dye and a developer for color development of the basic leuco dye, and{'claim-ref': {'@idref': 'CLM-00001', 'claim 1'}, 'the developer comprises the compound according to .'}5. The thermal recording material according to claim 1 , wherein the thermal recording layer comprises a second developer comprising a compound different from the compound according to .6. The thermal recording material according to claim 5 , wherein the second developer comprises at least one compound selected from the group consisting of a bisphenol sulfone compound claim 5 , a bisphenol compound claim 5 , a urea compound and a novolac type phenol compound.7. The thermal recording material according to claim 4 , wherein the thermal recording layer comprises at least one sensitizer selected from the group consisting of 1 claim 4 ,2-di-(3-methylphenoxy)ethane claim 4 , fatty acid amide comprising from 10 to 21 carbon atoms claim 4 , β-benzyloxynaphthalene claim 4 , diphenylsulfone and p-toluenesulfonamide.8. The thermal recording material according to claim 4 , wherein the thermal recording layer comprises a hindered phenol compound.10. The thermal recording material according to claim 9 , wherein the ...

THERMOSENSITIVE RECORDING MATERIAL

A main object of the present invention is to provide a thermosensitive recording material having excellent recording color developability and recording image quality, having no inhibition of a color-developing reaction due to the adhesive component after being processed into a thermosensitive recording label (glue desensitization), and being able to withstand long-term storage while retaining excellent recording performance. 1: A thermosensitive recording material comprising:at least an anchor layer (1) containing a sizing agent on a support;an undercoat layer containing at least one member selected from the group consisting of plastic hollow particles and sizing agents on the anchor layer (1); anda thermosensitive recording layer containing a leuco dye and a coloring agent on the undercoat layer.2: The thermosensitive recording material according to claim 1 , wherein the undercoat layer contains the plastic hollow particles and the sizing agent.3: The thermosensitive recording material according to claim 1 , wherein the undercoat layer contains the sizing agent in an amount of 0.5 to 7 mass % in terms of solids content claim 1 , based on the total solids content of the undercoat layer.4: The thermosensitive recording material according to claim 1 , wherein the undercoat layer contains the plastic hollow particles in an amount of 40 to 95 mass % claim 1 , based on the total solids content of the undercoat layer.5: The thermosensitive recording material according to claim 1 , wherein the anchor layer (1) contains at least one member selected from the group consisting of oil-absorptive pigments and plastic hollow particles as a pigment claim 1 , and the mass ratio of the plastic hollow particles in the anchor layer (1) to the plastic hollow particles in the undercoat layer is from 0/100 to 60/40.6: The thermosensitive recording material according to comprising at least one member selected from the group consisting of 4 claim 1 ,4′-dihydroxydiphenylsulfone claim 1 , 2 ...

HEAT-SENSITIVE LITHOGRAPHIC PRINTING PLATE PRECURSOR

A positive-working lithographic printing plate precursor includes a coating optimized for producing a minimum extent of ablation when exposed to heat and/or light. The coating includes an infrared absorbing agent which contains a structural element according to Formula I: 110-. (canceled)12. The lithographic printing plate precursor according to claim 11 , wherein Rrepresents an optionally substituted heteroaryl group.16. The lithographic printing plate precursor according to claim 14 , wherein X=S or O.17. The lithographic printing plate precursor according to claim 14 , wherein Rrepresents an optionally substituted alkyl claim 14 , alkenyl claim 14 , aralkyl claim 14 , alkaryl claim 14 , aryl claim 14 , or heteroaryl group and/or combinations thereof.18. The lithographic printing plate precursor according to claim 11 , wherein Rand Rrepresent an optionally substituted alkyl group.20. The lithographic printing plate precursor according to claim 11 , wherein Wincludes a perfluoroalkyl group.21. The lithographic printing plate precursor according to claim 20 , wherein the perfluoroalkyl group includes at least 5 fluorine atoms.22. The lithographic printing plate precursor according to claim 11 , wherein the coating includes:a first layer including a binder including a sulfonamide group, an imide group, a nitrile group, a urea group, a carboxyl group, a sulfonic acid group, and/or a phosphoric acid group; anda second layer, located above the first layer, including the infrared absorbing compound.23. A method of making a lithographic printing plate precursor claim 11 , the method comprising the steps of:providing a support including a hydrophilic surface or which is provided with a hydrophilic layer;{'claim-ref': {'@idref': 'CLM-00011', 'claim 11'}, 'applying a coating including the infrared absorbing compound as defined in ; and'}drying the lithographic printing plate precursor.24. A method of making a lithographic printing plate claim 11 , comprising the steps of:{' ...

Process for manufacturing a laser markable packaging

An offset printing process for manufacturing a laser markable packaging uses a laser markable offset ink and a laser markable varnish or a laser markable dispersion-lacquer in the process to provide a laser markable image or area on the packaging. The laser markable offset ink, offset varnish or offset dispersion-lacquer including a leuco dye and a metal free optothermal converting agent may be used in the offset printing process.

A composition comprising solvent and heat resistant capsules

A composition includes a capsules having an improved solvent and heat resistance. The capsules are prepared via interfacial polymerization between a polyisocyanate including at least one substituted or unsubstituted arylene or heterearyl group and a compound including an active hydrogen. The capsules include a leuco dye and may be used in laser markable compositions.

METHOD FOR PRODUCING POLYVINYL ALCOHOL RESIN, AND POLYVINYL ALCOHOL RESIN OBTAINED BY THE METHOD

Provided is a method for producing a polyvinyl alcohol resin, comprising the steps of copolymerizing an aliphatic vinyl ester (A) with diacetone acrylamide (B), at least a part of which diacetone acrylamide (B) is added at a later stage, in the presence of a polymerization catalyst in an alcohol solvent, so that the ratio (a)/(b) of the polymerization yield at the end of the polymerization (a) to the polymerization yield at the end of the later addition (b) of diacetone acrylamide (B) is in the range of 1.01 to 1.10, and saponifying the resulting copolymer. 112-. (canceled)13. A method for producing a polyvinyl alcohol resin , comprising the steps ofcopolymerizing an aliphatic vinyl ester (A) with diacetone acrylamide (B), at least a part of which diacetone acrylamide (B) is added at a later stage, in the presence of a polymerization catalyst in an alcohol solvent, so that the ratio (a)/(b) of the polymerization yield at the end of the polymerization (a) to the polymerization yield at the end of the later addition (b) of diacetone acrylamide (B) is in the range of 1.01 to 1.10, andsaponifying the resulting copolymer.14. The method for producing a polyvinyl alcohol resin according to claim 13 , wherein the weight ratio (c)/(d) of the amount of diacetone acrylamide (B) added at an earlier stage (c) to the amount of diacetone acrylamide (B) added at a later stage (d) is in the range of 0/100.0 to 15.0/85.0.15. The method for producing a polyvinyl alcohol resin according to claim 13 , wherein the weight ratio of diacetone acrylamide (B) remaining after the polymerization calculated by the formula (e)/((e)+(f)) (where (e) is the amount of the remaining diacetone acrylamide (B) at the end of the polymerization and (f) is the amount of the remaining aliphatic vinyl ester (A) at the end of the polymerization) is 0.5% or less claim 13 , and the resulting copolymer is saponified.16. The method for producing a polyvinyl alcohol resin according to claim 13 , wherein the ...

Heat-Sensitive Recording Material With Salicylic Acid Derivative As (Color) Developer Reactive With A Dye Precursor

A heat-sensitive recording material including a web-shaped substrate having a front side and an opposite reverse side, and at least one heat-sensitive recording layer on either or both of the sides of the web-shaped substrate. The heat-sensitive recording layer contains at least one dye precursor at least one salicylic acid derivative as a (color) developer reactive with this at least one dye precursor, and polyvinylpyrrolidone as auxiliary component augmenting the (color) developer the at least one salicylic acid derivative is 3,5-di(α-methylbenzyl)salicylic acid.

Thermal Imaging

Disclosed and claimed herein is a thermosensitive recording medium, having a base sheet; a binder; and a thermosensitive material on at least one surface of the base sheet comprising: one or more oxidizing agents; and a dye precursor. 2. The thermosensitive recording medium of claim 1 , wherein the binder comprises a resin chosen from polystyrene claim 1 , polyvinyl alcohol claim 1 , polyvinyl pyrrolidone claim 1 , polyacrylamide claim 1 , polymethacrylamide claim 1 , polyacrylic acid claim 1 , polymethacrylic acid claim 1 , polyethylene glycol claim 1 , proteinaceous binders such as gelatin. modified gelatines such as phthaloyl gelatine claim 1 , polysaccharides claim 1 , such as starch claim 1 , gum arabic and dextran claim 1 , water-soluble cellulose claim 1 , resin having an ether bond claim 1 , resin having a carbamoyl group claim 1 , resin having a carboxyl group claim 1 , derivatives or combinations thereof.3. The thermosensitive recording medium of claim 1 , further comprising sodium bicarbonate claim 1 , potassium bicarbonate claim 1 , microencapsulated sodium bicarbonate or microencapsulated potassium bicarbonate.4. The thermosensitive recording medium of claim 1 , wherein the catechol-based dye precursor is chosen from L-DOPA claim 1 , R-DOPA or pharmaceutically acceptable salts thereof or mixtures thereof.5. The thermosensitive recording medium of claim 1 , wherein Rand Rare non hydrogen substituents and the catechol-based dye precursor comprises two or more diastereomers.6. The thermosensitive recording medium of claim 1 , wherein the oxidizing agent is a pharmaceutically acceptable salt whose anion is chosen from peroxide claim 1 , periodate claim 1 , persulfate claim 1 , perborate claim 1 , iodate peroxydisulfate claim 1 , monopersulfate claim 1 , or hypochlorite.7. The thermosensitive recording medium of claim 1 , wherein the oxidizing agent is chosen from sodium periodate claim 1 , potassium periodate claim 1 , ammonium periodate or mixtures thereof ...

COLOUR LASER MARKABLE LAMINATES AND DOCUMENTS

A colour laser markable laminate includes at least a transparent polymeric support and a colour forming layer including a leuco dye; an infrared dye; and a polymeric binder including vinyl acetate and at least 85 wt % of vinyl chloride based on the total weight of the binder; wherein the colour laser markable laminate includes a specific phenol stabilizer sterically hindered by a ring containing three nitrogen atoms. A method for preparing a colour laser marked document is also disclosed. 115-. (canceled)18. The colour laser markable laminate according to claim 16 , wherein the phenol stabilizer sterically hindered by a ring containing three nitrogen atoms is present in the colour forming layer.19. The colour laser markable laminate according to claim 16 , further including an H-donor precursor.20. The colour laser markable laminate according to claim 16 , further comprising an outer layer on a side of the transparent polymeric support opposite to a side of the colour forming layer claim 16 , wherein the phenol stabilizer sterically hindered by a ring containing three nitrogen atoms is present in the outer layer.21. The colour laser markable laminate according to claim 20 , wherein the outer layer includes a polymeric binder including vinyl acetate and at least 85 wt % of vinyl chloride based on the total weight of the binder.22. The colour laser markable laminate according to claim 16 , wherein the transparent polymeric support is a transparent axially stretched polyester support.23. The colour laser markable laminate according to claim 22 , wherein the transparent axially stretched polyester support is a transparent biaxially stretched polyterephthalate support.24. A colour laser markable document comprising:an opaque white core support; and{'claim-ref': {'@idref': 'CLM-00016', 'claim 16'}, 'the colour laser markable laminate according to ; wherein'}the colour forming layer is located between the opaque white core support and the transparent polymeric support.25. ...

THERMAL SENSITIVE MEDIA WITH INTERNAL RF PRINTING MATRIX

A thermal sensitive media for use with labeling or identification methods is disclosed. The thermal sensitive media comprises a media layer and a thermally sensitive record layer formed upon at least one surface of the media layer. The thermally sensitive record layer forms a visually discernable colored image in response to heat. However, the colored image is subject to degradation as a result of exposure to ultraviolet radiation within a known photodegradative wavelength range. An ultraviolet protective coating layer may then disposed over the thermally sensitive record layer. A lamination layer is positioned internal to the media layer and comprises a matrix of micro heating elements driven by radio frequency (RF) power. The matrix of micro heating elements are arranged in a pin array to energize the micro heating elements within the laminated media structure to create a simple numeric image. 1. A thermal sensitive media , comprising:a media layer that supports a thermal sensitive media;a lamination layer disposed internal to the media layer;a thermally sensitive record layer formed upon at least a portion of one surface of the media layer;wherein the thermally sensitive record layer forms a visually discernable colored image in response to heat; andwherein the colored image is subject to degradation as a result of exposure to ultraviolet radiation within a known photodegradative wavelength range.2. The media of claim 1 , wherein the media further comprises an ultraviolet protective coating layer disposed over the thermally sensitive record layer.3. The media of claim 1 , wherein the lamination layer comprises a matrix of micro heating elements.4. The media of claim 1 , wherein the micro heating elements are activated by radio frequency (RF) power.5. The media of claim 4 , wherein the matrix of micro heating elements are arranged in a pin array.6. The media of claim 5 , wherein a laser cutting process is used to create the matrix of micro heating elements.7. The ...

LABEL

The present invention relates to labels and labelstock materials, and to substances used therein, and components thereof. The present invention further relates to a method of manufacturing the labelstock and labels, uses thereof and products comprising them. 1. A laser markable linerless labelstock , comprising a laser markable component.2. The labelstock according to claim 1 , wherein the labelstock is:a) transparent; and/orb) colourlessprior to laser marking.3. The labelstock according to claim 1 , wherein the labelstock undergoes a non-pyrolytic chemical or molecular identifiable change in at least one observable or measurable characteristic on exposure to laser radiation.4. The labelstock according to claim 3 , wherein the labelstock undergoes a first non-pyrolytic chemical or molecular identifiable change in at least one observable or measurable characteristic on exposure to a first laser radiation and a second non-pyrolytic chemical or molecular identifiable change in at least one observable or measurable characteristic on exposure to a second laser radiation.5. The labelstock according to claim 3 , wherein the observable or measurable characteristic comprises the colour of the film.6. The labelstock according to claim 1 , comprising the laser markable layer and an adhesive layer and optionally further layers.7. The labelstock according to claim 1 , comprising polymeric or biopolymeric film.8. The labelstock according to claim 1 , comprising a UV blocking component.9. The labelstock according to claim 8 , wherein the UV blocking component selectively blocks UV-A and UV-B radiation.10. The labelstock according to claim 8 , wherein the UV blocking component selectively does not block UV-C radiation and optionally selectively does not block nIR radiation.11. The labelstock according to claim 8 , comprising the laser markable component in one layer or coating and the UV blocking component in a different layer or coating.12. The labelstock according to claim 1 , ...

Reversible recording medium and exterior member

A reversible recording medium of an embodiment of the present disclosure includes a support base and a recording layer. The recording layer is provided on the support base and reversibly changes between a recorded state and a deleted state. A chroma difference ΔC* between the support base and the recording layer satisfies the relational expression (1) where an absorption spectrum in a visible region of the recording layer in the deleted state and an absorption spectrum in a visible region of the support base are each denoted by L*a*b*.

REVERSIBLE RECORDING MEDIUM, REVERSIBLE RECORDING MEDIUM COATING, AND EXTERIOR MEMBER

A reversible recording medium of an embodiment of the disclosure includes a support base, and a recording layer provided on the support base and reversibly changing between a recorded state and a deleted state. The recording layer includes a photothermal conversion material including one or more of a compound having a phthalocyanine skeleton, a compound having a squarylium skeleton, a compound having a cyanine skeleton including, in a molecule, one or both of a counter ion of SbF, PF, BF, ClO, CFSOand (CFSO)N and a methine chain containing a five-membered ring or a six-membered ring, and an inorganic compound; a coloring compound having an electron-donating property; and a color developing/quenching agent having an electron-accepting property and including at least one salicylic acid compound represented by the general formula (1) and including a linear hydrocarbon group having 25 to 34 carbon atoms via a linking group containing an amide moiety. 2. The reversible recording medium according to claim 1 , wherein the recording layer includes two or more of the coloring compounds.3. The reversible recording medium according to claim 1 , wherein the recording layer includes a plurality of layers.4. The reversible recording medium according to claim 1 , whereinthe recording layer includes, as a plurality of layers, a first layer and a second layer, andthe first layer and the second layer include the respective photothermal conversion materials having different absorption wavelength regions.5. The reversible recording medium according to claim 1 , wherein the photothermal conversion material has an absorption peak wavelength in a range from 700 nm to 2 claim 1 ,000 nm.6. The reversible recording medium according to claim 1 , wherein the recording layer further includes a thermosetting resin or a thermoplastic resin.7. The reversible recording medium according to claim 1 , wherein the compound having the cyanine skeleton includes claim 1 , in the molecule claim 1 , one of ...

COLOUR LASER MARKABLE ARTICLES

A colour laser markable article includes a colour laser markable layer provided on a support, the laser markable layer including an infrared absorbing compound;—a leuco-dye; and— an acid generating compound, wherein the acid generating compound has a structure according to Formulae (I) or (II): 115-. (canceled)17. The color laser markable article according to claim 16 , wherein the acid generating compound has the structure according to Formula I.18. The color laser markable article according to claim 16 , wherein{'sub': 1', '22, 'R1 is a Cto C-alkyl group, an aliphatic alkoxide group containing 2 to 8 carbons, a phenyl group, or a tolyl group;'}{'sub': 1', '22, 'R2 is a Cto C-alkyl group or a cycloalkyl group;'}{'sub': 1', '22, 'R3 is a Cto C-alkyl group, an aliphatic alkoxide group containing 2 to 8 carbons, or a benzyl group; and'}{'sub': 1', '22, 'R4 and R5 independently represent a Cto C-alkyl group.'}19. The color laser markable article according to claim 17 , wherein R1 is a tolyl group and Ris a Cto C-alkyl group or a cycloalkyl group.20. The color laser markable article according to claim 16 , wherein a molar ratio of the acid generating compound to the leuco-dye is between 0.9 and 2.21. The color laser markable article according to claim 16 , further comprising a UV absorbing compound.22. The color laser markable article according to claim 16 , wherein the support is selected from the group consisting of a metal claim 16 , a glass claim 16 , a paper claim 16 , and a polymer.23. The color laser markable article according to claim 16 , wherein the support is a transparent axially stretched polyterephthalate support.24. The color laser markable article according to claim 16 , wherein the infrared absorbing compound includes a polymethine dye.25. The color laser markable article according to claim 16 , wherein the color laser markable layer further includes a polymeric binder containing at least 50 wt % of vinylchloride based on a total weight of the polymeric ...

COLOUR LASER MARKABLE LAMINATES AND DOCUMENTS

A colour laser markable laminate includes a colour laser markable layer including a leuco dye and an infrared absorbing compound, an optional adhesive layer, a polymeric support, an optional outerlayer, wherein the colour laser markable layer further includes an acid scavenger. The support, the optional adhesive layer, or the optional outer layer includes a UV absorbing compound. 115-. (canceled)16. A color laser markable laminate comprising:a color laser markable layer including a leuco dye, an infrared absorbing compound, and an acid scavenger;an optional adhesive layer;a support;an optional outerlayer; whereinthe support, the optional adhesive layer, or the optional outer layer includes a UV absorbing compound.17. The color laser markable laminate according to claim 16 , wherein the UV absorbing compound has claim 16 , within a wavelength region between 300 nm and 400 nm claim 16 , a maximal absorption above 350 nm.18. The color laser markable laminate according to claim 16 , wherein an amount of the UV absorbing compound is 0.1 g/mor more.19. The color laser markable laminate according to claim 16 , wherein the acid scavenger includes an organic base.20. The color laser markable laminate according to claim 19 , wherein the organic base includes an amine.21. The color laser markable laminate according to claim 19 , wherein the organic base has a pKb of less than 7.22. The color laser markable laminate according to claim 16 , further comprising an acid generating compound.23. The color laser markable laminate according to claim 22 , wherein the acid generating compound includes a sulfonate ester.24. The color laser markable laminate according to claim 16 , wherein the infrared absorbing compound includes a polymethine IR dye having an absorption maximum in a region from 800 nm to 1200 nm.25. The color laser markable laminate according to claim 16 , further comprising a polymeric binder including vinyl acetate and at least 50 wt % of vinyl chloride based on a total ...

Pressure Sensitive Coating For Image Forming

A microencapsulated pigment including a leuco dye system is incorporated as one or more layers in a roll of adhesive tape. The tape is applied and may be rubbed by hand or another object to induce a color change. The change may serve as an indicator that the tape is well adhered for masking purposes in a painting operation, or to present a design where only selected portions of the tape are rubbed to induce the color change. The microencapsulated pigment may be constructed so that the color change is irreversible or reversible.

INFRARED SENSITIVE COLOR-FORMING COMPOSITION, INFRARED CURABLE COLOR-FORMING COMPOSITION, LITHOGRAPHIC PRINTING PLATE PRECURSOR AND PLATE MAKING METHOD

The invention is directed to an infrared sensitive color-forming composition containing a compound having an infrared absorbing skeleton and a thermochromic skeleton in a molecule thereof wherein the infrared absorbing skeleton and the thermochromic skeleton are connected with a covalent bond or an ionic bond and a binder; an infrared curable color-forming composition wherein the infrared sensitive color-forming composition further contains a radical initiator and a polymerizable compound; a lithographic printing plate precursor having an image-recording layer containing the infrared curable color-forming composition on a support; a plate making method including imagewise exposing the lithographic printing plate precursor and conducting on-press development processing by supplying printing ink and dampening water on a printing machine to remove a non-image area; a compound represented by the formula (7) as defined herein; and a compound represented by the formula (8) as defined herein. 5. The infrared sensitive color-forming composition as claimed in claim 2 , wherein the infrared absorbing skeleton is a cyanine dye skeleton. This is a continuation of International Application No. PCT/JP2014/051711 filed on Jan. 27, 2014, and claims priority from Japanese Patent Application No. 2013-037965 filed on Feb. 27, 2013, the entire disclosures of which are incorporated herein by reference.The present invention relates to an infrared sensitive color-forming composition, an infrared curable color-forming composition, and a lithographic printing plate precursor in which the infrared curable color-forming composition is applied to an image-recording layer and a plate making method using the same. More specifically, it relates to a lithographic printing plate precursor capable of direct plate making by image exposure with laser, and a plate making method in which the lithographic printing plate precursor is on-press developed.In general, a lithographic printing plate is composed ...

AQUEOUS LASER-SENSITIVE COMPOSITION FOR MARKING SUBSTRATES

Aqueous composition comprising a colour former, a developer, and a binder, wherein (a) the weight ratio between the developer and the colour former is in the range of from 1 to 5; (b) the binder comprises an acrylate binder, comprising acrylic acid and styrene, and at least one additional monomer selected from the group consisting of α-methyl styrene, ethyl acrylate and 2-ethylhexyl acrylate; and (c) the colour former and/or the developer are present in an un-encapsulated form; a process for the preparation of these compositions, substrates coated with this composition and a process for its preparation, and a process for preparing a marked substrate using this composition. 1. An aqueous composition comprising a color former , a developer , and a binder , wherein(a) the weight ratio between the developer and the color former is in the range of from 1:1 to 5:1;(b) the binder comprises an acrylate binder, comprising acrylic acid and styrene, and at least one additional monomer selected from the group consisting of α-methyl styrene, ethyl acrylate and 2-ethylhexyl acrylate; and(c) at least one of the color former and the developer is present in an un-encapsulated form.2. The composition according to claim 1 , wherein the color former is a fluoran.3. The composition according to claim 2 , wherein the fluoran is at least one selected from the group consisting of 3-dibutylamino-6-methyl-7-anilinofluoran claim 2 , 3-diethylamino-6-methyl-7-anilinofluoran claim 2 , 3-(N-ethyl-N-isoamylamino)-6-methyl-7-anilinofluoran claim 2 , 3-dipentylamino-6-methyl-7-anilinofluoran claim 2 , and 3-(N-ethyl-N-p-tolylamino)-6-methyl-7-anilinofluoran.4. The composition according to claim 1 , wherein the developer is selected from the group consisting of sulfonylurea derivatives claim 1 , 4 claim 1 ,4′-bis(p-toluenesulphonylaminocarbonylamino)diphenylmethane) claim 1 , 4 claim 1 ,4′-bisphenol sulfone claim 1 , 2 claim 1 ,4′-dihydroxydiphenylsulfone claim 1 , 4-hydroxy-4′- ...

HEAT-SENSITIVE RECORDING BODY

The present invention provides a heat-sensitive recording material having a high recording density, excellent plasticizer resistance in recorded portions, and excellent resistance to thermal background fogging in high-temperature environments. The heat-sensitive recording material includes a heat-sensitive recording layer containing a specific sulfonamide compound. 2: The heat-sensitive recording material according to claim 1 , wherein the sulfonamide compound represented by formula (1) is N-[2-(3-phenylureido)phenyl]benzenesulfonamide.3: The heat-sensitive recording material according to claim 1 , wherein the developers include the sulfonamide compound represented by formula (1) claim 1 , the urea-urethane compound represented by formula (2) claim 1 , and the diphenylsulfone-crosslinked compound represented by formula (3).4: The heat-sensitive recording material according to claim 1 , wherein the sulfonamide compound represented by formula (1) is present in an amount of 0.5 to 5 parts by mass per part by mass of the leuco dye.5: The heat-sensitive recording material according to claim 1 , wherein the urea-urethane compound represented by formula (2) is present in an amount of 0.03 to 2.5 parts by mass per part by mass of the sulfonamide compound represented by formula (1).6: The heat-sensitive recording material according to claim 1 , wherein the diphenylsulfone-crosslinked compound represented by formula (3) is present in amount of 0.1 to 2.5 parts by mass per part by mass of the sulfonamide compound represented by formula (1).7: The heat-sensitive recording material according to claim 1 , wherein the urea-urethane compound represented by formula (2) is present in an amount of 0.2 to 5 parts by mass per part by mass of the diphenylsulfone-crosslinked compound represented by formula (3).8: The heat-sensitive recording material according to claim 1 , wherein the total amount of the urea-urethane compound represented by formula (2) and the diphenylsulfone-crosslinked ...

HEAT SENSITIVE RECORDING MATERIAL

The invention relates to a heat-sensitive recording material having a flat support, a thermal reaction layer on at least one face of the flat carrier, and optionally an intermediate layer formed between the flat support and the respective thermal reaction layer, and optionally other layers, a crosslinked biopolymer material in the form of nanoparticles being used as a binder in at least one of the layers. The invention also relates to the production and the use thereof. 1. A heat-sensitive recording material with a flat support , a thermal reaction layer on at least one side of the flat support and optionally an intermediate layer , which is formed between the flat support and the respective thermal reaction layer , and selectively further layers , wherein a cross-linked biopolymer material in the form of nanoparticles is used as the binder in at least one of the layers and wherein the cross-linked biopolymer material in the form of nanoparticles is obtainable by means of a method , in which a biopolymer material is plasticized using shear forces and in the presence of a cross-linking agent and then dispersed in a hydroxylic solvent.2. A recording material according to claim 1 , characterised in that the cross-linked biopolymer material in the form of nanoparticles has a degree of swelling claim 1 , determined as described in the description claim 1 , of less than 2 claim 1 , preferably of less than 1.3. A recording material according to claim 1 , characterised in that the cross-linked biopolymer material in the form of nanoparticles is used in the thermal reaction layer(s) and/or the intermediate layer(s).4. A recording material according to claim 1 , characterised in that the cross-linked biopolymer material in the form of nanoparticles is used in the intermediate layer(s).5. A recording material according to claim 1 , characterised in that the cross-linked biopolymer material in the form of nanoparticles is a starch claim 1 , a starch derivative or a polymer ...

Information writable film and a sample storage tube

To provide an information writable film that is chemical and abrasion resistance, and is suitable for high contrast white laser marking. The information writable film comprises a writable film layer 110 and a reading assistance layer 120 . The writable film layer 110 is formed into a film shape by thinly stretching a material, which material is a mixture of a color former composition for coloring white when receiving the particular wavelength laser beam by changing its physical and chemical characteristic and a transparent plastic composition. The reading assistance layer 120 is provided enhancing the contrast ratio. The writable film layer 110 is provided with laser coloring properties and chemical and abrasion resistance. During writing, an identification code is written by laser by coloring the color former in the writable film layer 110 . During reading, the contrast ratio is enhanced by superimposing the color of the reading assistance layer 120.

THERMOSENSITIVE RECORDING MATERIAL

The present invention relates to a thermosensitive recording material and, specifically, to a thermosensitive recording material comprising: a colorless or light-colored leuco dye; a compound of chemical formula (1) containing a non-phenolic sulfonyl urea group as a developer; at least one of general formulas II-1, II-2, and II-3 as a sensitizer; a binder; and other fillers. The thermosensitive recording material of the present invention improves the background blurring of a color-developed image by using a non-phenolic developer and exhibits excellent effects in view of color development sensitivity, water resistance, oil resistance, plasticizer resistance, and the like. 2. The material according to claim 1 , wherein the compound represented by Formula (I) above is included in an amount of 80 to 100% by weight (‘wt. %’) to a total amount of developer.4. The material according to claim 1 , wherein claim 1 , as the sensitizer claim 1 , at least one selected from 1 claim 1 ,2-di-(3-methylphenoxy)ethane claim 1 , 1 claim 1 ,2-di-phenoxyethane claim 1 , diphenylsulfone claim 1 , 4 claim 1 ,4′-diallyloxydiphenylsulfone and β-benzyloxynaphthalene is included.5. The material according to claim 1 , wherein the leuco dye is at least one selected from 3-diethylamino-6-methyl-7-anilinofluoran claim 1 , 3-dibutylamino-6-methyl-7-anilinofluoran claim 1 , 3-(N-ethyl-N-isopentylamino)-6-methyl-7-anilinofgluoran claim 1 , 3-(N-methyl-N-propylamino)-6-methyl-7-anilinofluoran claim 1 , 3-diethylamino-6-methyl-7-(p-chloroanilino)fluoran and 3-diethylamino-6-methyl-7-(o-chloroanilino)fluoran.6. The material according to claim 1 , wherein the developer is included in an amount of 0.5 to 3 parts by weight (‘wt. parts’) to 1 wt. part of leuco dye.7. The material according to claim 1 , wherein the sensitizer is included in an amount of 0.5 to 3 wt. parts to 1 wt. part of leuco dye.8. The material according to claim 1 , further including at least one selected from binders claim 1 , pigments ...

COATING COMPOSITION FOR PRODUCING A LAYER COMPOSITE

A coating composition for producing a layer composite, including a) a modified or unmodified polyvinyl alcohol, b) an alkylene/(meth)acrylic acid copolymer, c) a crosslinker, and d) one, two or more than two, pigments. The layer composite is used as food packaging, entry ticket, gaming ticket, car park ticket, or the like. A mixture of alkylene/(meth)acrylic acid copolymer and modified or unmodified polyvinyl alcohol is used in a layer of a layer composite, to the use of a coating composition for producing a layer composite. 124.-. (canceled)25. A coating composition for producing a layer composite , comprising:a modified polyvinyl alcohol or an unmodified polyvinyl alcohol;an alkylene/(meth)acrylic acid copolymer;a crosslinker; andat least one pigment.26. The coating composition as claimed in claim 25 , wherein the at least one pigment claim 25 , is selected from the group consisting of aluminum silicate claim 25 , aluminum oxide claim 25 , aluminum hydroxide claim 25 , barium sulfate claim 25 , bentonite claim 25 , boehmite claim 25 , natural calcium carbonate claim 25 , precipitated calcium carbonate claim 25 , diatomaceous earth claim 25 , urea-formaldehyde resin claim 25 , natural kaolin claim 25 , calcined kaolin claim 25 , kaolinite or calcined kaolinite claim 25 , kieselguhr claim 25 , silica claim 25 , preferably precipitated silica claim 25 , magnesium silicate claim 25 , magnesium carbonate claim 25 , satin white claim 25 , silicon oxide claim 25 , talc claim 25 , titanium oxide claim 25 , alumina claim 25 , activated alumina claim 25 , and zinc oxide.27. The coating composition as claimed in claim 25 , wherein the coating composition comprises two or more than two pigments.28. The coating composition as claimed in claim 25 , wherein the coating composition comprises silica as the at least one pigment.29. The coating composition as claimed in claim 25 , wherein the coating composition comprises precipitated silica as the at least one pigment.30. The ...

Heat-sensitive recording material

The invention relates to a heat-sensitive recording material, comprising a carrier substrate and at least one heat-sensitive thermal reaction layer, which is applied to at least one side of the carrier substrate and contains at least one fluoran color former, at least one color developer, at least one melting aid, and optionally typical additives, such as lubricants, stabilizers (anti-aging agents), and/or pigments, characterized in that the color developer is dodecyl gallate and the melting aid is an ethylene bis fatty acid amide of formula (I), wherein R 1 and R 2 are CH 3 (CH 2 ) m CH 2 with m=13 and/or 15. The invention further relates to a method for producing said recording material.

Recording material and recording sheet

A recording material and a recording sheet having better color-developing performance, storage stability, etc. A recording material which contains (A) at least one color former, (B) at least one compound selected from the group including compounds represented by the following formula (I), and (C) at least one compound selected from the group including compounds represented by the following formula (II) (wherein R 1 to R 3 each represent a halogen atom, a nitro group, a C 1 to C 6 alkyl group, a C 1 to C 6 alkoxy group, a C 2 to C 6 alkenyl group or a C 1 to C 6 haloalkyl group, n1 and n3 each independently represent any integer of 0 to 5, n2 represents any integer of 0 to 4, and X represents —SO 2 —O— or —O—SO 2 —).

HEAT-SENSITIVE RECORDING BODY

A thermal recording medium includes: a transparent base material and a thermal recording layer on the base material. The thermal recording layer contains a dispersant having a carboxyl group and a crosslinking agent including an epichlorohydrin-modified polyamide polyamine resin or an organic compound containing an oxazoline group. 1. A thermal recording medium having at least a thermal recording layer on a transparent base material ,the thermal recording layer containing a dispersant having a carboxyl group and a crosslinking agent containing, as a main component, an epichlorohydrin-modified polyamide polyamine resin or an organic compound containing an oxazoline group.2. The thermal recording medium of claim 1 , wherein the dispersant is a styrene acrylic copolymer ammonium salt or a styrene maleate.3. The thermal recording medium of claim 1 , whereinthe thermal recording layer contains at least one of a particulate color former or a particulate developer, andeach of the color former and the developer has a particle size of from 0.1 μm to 1.0 μm. The present invention relates to a thermal recording medium, and more particularly to a thermal recording medium with excellent transparency.Thermal recording media are colored by a chemical reaction caused by heating by a thermal head, for example, so as to provide a recorded image. Thermal recording media are widely used not only as recording media for facsimile machines, automatic ticket vending machines, or scientific measuring machines but also as thermal recording labels for POS systems in retail stores, for example.The thermal recording media are used outdoors in the automatic ticket vending machines or other machines. Those with excellent water resistances and storage stabilities have been proposed. More specifically, a thermal recording medium has been proposed which includes a thermal recording layer containing: a carboxyl group-containing resin such as carboxyl-modified polyvinyl alcohol; epichlorohydrin; and a ...

Laser-sensitive coating formulation

The present invention provides polymeric particles comprising a polymeric matrix comprising one or more water-insoluble polymers and a laser-sensitive system encapsulated in the polymeric matrix. It also provides a process for the preparation of the polymeric particles, a composition comprising the polymeric particles, a process for the preparation of this composition, a process for forming a laser-sensitive coating layer on a substrate using this composition, a coated substrate obtainable by the coating process, a process for preparing a marked substrate and a marked substrate obtainable by the marking process.

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红外线感光性显色组合物、红外线固化性显色组合物、平版印刷版原版和制版方法

本发明提供一种感光性显色组合物以及固化性显色组合物，其通过：含有(A)在分子内具有红外线吸收骨架和热致变色骨架、上述红外线吸收骨架与上述热致变色骨架通过共价键或离子键键合的化合物、和(B)粘结剂的所述红外线感光性显色组合物、以及上述红外线感光性显色组合物进一步含有(C)自由基引发剂和(D)聚合性化合物的红外线固化性显色组合物，通过基于红外线激光的曝光，以高浓度显色，而且随时间经过的退色少。通过将具有包含上述红外线固化性显色组合物的图像记录层的平版印刷版原版和上述平版印刷版原版红外线图像曝光后、进行机上显影、由此制作平版印刷版原版的制版方法，由此，提供一种平版印刷版原版和使用上述平版印刷版原版制作平版印刷版的制版方法，上述平版印刷版原版提供：在图像记录层具有上述固化性显色组合物，检版性极为优异，保存稳定性良好且维持高的显色性，机上显影性也优异，具有良好的耐印性的平版印刷版。

感熱記録材料

(57)【要約】本公報は電子出願前の出願データであるた め要約のデータは記録されません。

현색제 및 감열 기록 재료

발색 감도 및 보존 안정성이 우수한 감열 기록 재료를 부여할 수 있는 현색제, 및 그 현색제를 사용하여 얻어지는 감열 기록 재료를 제공하는 것을 과제로 한다. 하기 식 (1) 로 나타내는 화합물을 포함하는 현색제에 의해, 과제를 해결한다. (상기 식 (1) 중, a, A, L 은 하기와 같다. a 는 1 내지 5 에서 선택되는 정수이며, A 는, 각각 독립적으로 플루오로기 또는 퍼플루오로알킬기이며, L 은, 하기 식 (2) 로 나타내는 어느 관능기이다. 상기 식 (2) 중, R 은 탄소수 1 ∼ 4 의 알킬기로 한다. * 는 식 (1) 중의 황 원자와의 결합 부위를 나타낸다.)

Crosslinking agent, crosslinked polymer and their uses

현상제조성물 및 감열기록재

본 발명은, 하기 일반식(1): (식중, X 1 은 수소원자 혹은 할로겐원자, 알킬기, 알콕시기 또는 수산기이고, Z 1 은 수소원자 또는 알킬기이며, R 1 은 무치환 또는 치환된 알킬기 혹은 아릴기임)로 표시되는 술폰아미드구조의 페놀유도체 1종이상과, 다가금속화합물, 산화방지제 및 환원제로부터 선택된 1종이상의 구성성분을 함유해서 이루어져, 수중 미립자화시 우수한 보존안정성을 지닌 분산액을 제공하는 신규의 현상제조성물에 관한 것이다. 상기 현상제조성물을 함유하는 감열기록재는, 현상된 화상에 있어서 높은 색채농도를 지니고, 또한, 기록전의 백화도도 우수하다.

Heat-sensitive recording material and production thereof

感度を向上した感熱記録紙の製造方法

(57)【要約】本公報は電子出願前の出願データであるた め要約のデータは記録されません。

Thermal recording material

感熱記録材料

(57)【要約】本公報は電子出願前の出願データであるた め要約のデータは記録されません。

탄성 산재 층을 갖는 열적으로 인쇄 가능한 종이 물품

본 발명은 개선된 인쇄 성능을 부여하는 엘라스토머 하지층을 갖는 열적으로 인쇄가능 종이 물품에 관한 것이다.

感熱記録材料

(57)【要約】本公報は電子出願前の出願データであるた め要約のデータは記録されません。

Laser sensitive coating formulation

本発明は１つまたはそれより多くの水不溶性ポリマーを含むポリマー基質と、前記のポリマー基質中にカプセル化されたレーザー感受性系とを含むポリマー粒子を提供する。また、本発明は前記のポリマー粒子の製造方法、該ポリマー粒子を含む組成物、この組成物の製造方法、この組成物を使用して基材上にレーザー感受性被覆層を形成する方法、前記の被覆方法によって得られる被覆基板、マーキングされた基材の製造方法、および前記のマーキング方法によって得られるマーキングされた基材も提供する。

感熱記録材料

(57)【要約】本公報は電子出願前の出願データであるた め要約のデータは記録されません。

Label

The present invention relates to labels and labelstock materials, and to substances used therein, and components thereof. The present invention further relates to a method of manufacturing the labelstock and labels, uses thereof and products comprising them.

Thermal recording material

(57)【要約】本公報は電子出願前の出願データであるた め要約のデータは記録されません。

Novel color-developing compound and recording material

A urea-urethane compound having one or more urea groups and one or more urethane groups in the molecular structure, the number of said urea groups (A) and the number of said urethane groups (B) satisfying the following numerical formula: 10 >/= (A + B) >/= 3 wherein each of A and B is an integer of 1 or more. <IMAGE>

Novel color-developing compound and recording material

A urea-urethane compound which has urea and urethane groups in the molecular structure in such amounts that the number of the urea groups (A) and that of the urethane groups (B) satisfy the following relationship: 10 (A+B) 3 wherein A and B each is an integer of 1 or larger.

Polymeric material containing a latent acid

Color-developing material

(57)【要約】本公報は電子出願前の出願データであるた め要約のデータは記録されません。

Thermal recording sheet

Thermosensitive recording material

(57)【要約】本公報は電子出願前の出願データであるた め要約のデータは記録されません。

Combustion condition detector of engine

(57)【要約】 【課題】 比較的大きな粒子径の顕色剤を用いて、感 度が良好であり、透明性に優れた感熱層を有する透明感 熱記録材料を提供する。 【解決手段】 支持体上に、（１）無色又は淡色の電子 供与性染料前駆体を含有するマイクロカプセルと、 （２）顕色剤を分散した固体分散物と、を含む塗布液に より形成された感熱層と、保護層とを有する感熱記録材 料であって、（２）顕色剤を分散した固体分散物が、少 なくとも１種の固体粒子状顕色剤、好ましくは、少なく とも水溶性顕色剤と、少なくとも１種のアモルファス性 状を有する顕色剤を含む少なくとも３種の顕色剤と、水 溶性高分子とを含む共分散物であり、且つ、そこに含ま れる顕色剤の固体粒子の粒子径が０．３〜０．５μｍで あり、感熱記録材料のヘイズ値が５５％以下であること を特徴とする。

Laser markable articles

A radiation curable laser markable composition comprising a polymerizable compound, a leuco dye, a developing agent, and optional optothermal converting agent, characterized in that the leuco dye is included in the composition as a dispersion.