EP0171810A2 - Feuille pour l'enregistrement sensible à la chaleur - Google Patents

Feuille pour l'enregistrement sensible à la chaleur Download PDF

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Publication number
EP0171810A2
EP0171810A2 EP85110225A EP85110225A EP0171810A2 EP 0171810 A2 EP0171810 A2 EP 0171810A2 EP 85110225 A EP85110225 A EP 85110225A EP 85110225 A EP85110225 A EP 85110225A EP 0171810 A2 EP0171810 A2 EP 0171810A2
Authority
EP
European Patent Office
Prior art keywords
heat
recording sheet
coating layer
sensitive
layer
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
EP85110225A
Other languages
German (de)
English (en)
Other versions
EP0171810B1 (fr
EP0171810A3 (en
Inventor
Fumio C/O Central Research Lab. Fujimura
Toshimi C/O Central Research Lab. Satake
Masanobu C/O Central Research Lab. Mori
Toshiaki C/O Central Research Lab. Minami
Tadakazu C/O Central Research Lab. Fukuchi
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Jujo Paper Co Ltd
Original Assignee
Jujo Paper Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Jujo Paper Co Ltd filed Critical Jujo Paper Co Ltd
Publication of EP0171810A2 publication Critical patent/EP0171810A2/fr
Publication of EP0171810A3 publication Critical patent/EP0171810A3/de
Application granted granted Critical
Publication of EP0171810B1 publication Critical patent/EP0171810B1/fr
Expired legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41M—PRINTING, DUPLICATING, MARKING, OR COPYING PROCESSES; COLOUR PRINTING
    • B41M5/00—Duplicating or marking methods; Sheet materials for use therein
    • B41M5/26—Thermography ; Marking by high energetic means, e.g. laser otherwise than by burning, and characterised by the material used
    • B41M5/40—Thermography ; Marking by high energetic means, e.g. laser otherwise than by burning, and characterised by the material used characterised by the base backcoat, intermediate, or covering layers, e.g. for thermal transfer dye-donor or dye-receiver sheets; Heat, radiation filtering or absorbing means or layers; combined with other image registration layers or compositions; Special originals for reproduction by thermography
    • B41M5/42—Intermediate, backcoat, or covering layers
    • B41M5/44—Intermediate, backcoat, or covering layers characterised by the macromolecular compounds
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41M—PRINTING, DUPLICATING, MARKING, OR COPYING PROCESSES; COLOUR PRINTING
    • B41M5/00—Duplicating or marking methods; Sheet materials for use therein
    • B41M5/26—Thermography ; Marking by high energetic means, e.g. laser otherwise than by burning, and characterised by the material used
    • B41M5/30—Thermography ; Marking by high energetic means, e.g. laser otherwise than by burning, and characterised by the material used using chemical colour formers
    • B41M5/333—Colour developing components therefor, e.g. acidic compounds
    • B41M5/3333—Non-macromolecular compounds
    • B41M5/3335—Compounds containing phenolic or carboxylic acid groups or metal salts thereof
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41M—PRINTING, DUPLICATING, MARKING, OR COPYING PROCESSES; COLOUR PRINTING
    • B41M5/00—Duplicating or marking methods; Sheet materials for use therein
    • B41M5/26—Thermography ; Marking by high energetic means, e.g. laser otherwise than by burning, and characterised by the material used
    • B41M5/30—Thermography ; Marking by high energetic means, e.g. laser otherwise than by burning, and characterised by the material used using chemical colour formers
    • B41M5/337—Additives; Binders
    • B41M5/3377—Inorganic compounds, e.g. metal salts of organic acids
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41M—PRINTING, DUPLICATING, MARKING, OR COPYING PROCESSES; COLOUR PRINTING
    • B41M2205/00—Printing methods or features related to printing methods; Location or type of the layers
    • B41M2205/04—Direct thermal recording [DTR]
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41M—PRINTING, DUPLICATING, MARKING, OR COPYING PROCESSES; COLOUR PRINTING
    • B41M2205/00—Printing methods or features related to printing methods; Location or type of the layers
    • B41M2205/36—Backcoats; Back layers
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41M—PRINTING, DUPLICATING, MARKING, OR COPYING PROCESSES; COLOUR PRINTING
    • B41M2205/00—Printing methods or features related to printing methods; Location or type of the layers
    • B41M2205/40—Cover layers; Layers separated from substrate by imaging layer; Protective layers; Layers applied before imaging
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41M—PRINTING, DUPLICATING, MARKING, OR COPYING PROCESSES; COLOUR PRINTING
    • B41M5/00—Duplicating or marking methods; Sheet materials for use therein
    • B41M5/26—Thermography ; Marking by high energetic means, e.g. laser otherwise than by burning, and characterised by the material used
    • B41M5/40—Thermography ; Marking by high energetic means, e.g. laser otherwise than by burning, and characterised by the material used characterised by the base backcoat, intermediate, or covering layers, e.g. for thermal transfer dye-donor or dye-receiver sheets; Heat, radiation filtering or absorbing means or layers; combined with other image registration layers or compositions; Special originals for reproduction by thermography
    • B41M5/42—Intermediate, backcoat, or covering layers
    • B41M5/426—Intermediate, backcoat, or covering layers characterised by inorganic compounds, e.g. metals, metal salts, metal complexes

Definitions

  • the invention relates to a heat sensitive recording sheet with high dynamic image density and superior durability.
  • a heat-sensitive recording sheet is generally prepared by applying a coating color to the surface of a support such as paper, film, film, etc., which is obtained by finely grinding and dispersing a colorless chromogenic substance and a color developing material, e.g. a phenolic substance, mixing the dispersions obtained with one another and adding a binder, filler, sensitizer, lubricant and other auxiliaries.
  • a coating color to the surface of a support such as paper, film, film, etc.
  • a color developing material e.g. a phenolic substance
  • heat-sensitive recording sheets or foils include the use in survey recording devices, terminal printers of computers, printers of facsimile machines, ticket machines, bar code notes and the like.
  • the requirements for recording machines have recently become more diverse and larger, therefore higher quality of the heat-sensitive recording sheets is required.
  • the heat-sensitive recording sheet is said to provide a clear image with high image density with low heat input, and on the other hand, the heat-sensitive recording sheet is said to have superior durability and e.g. be more resistant to plasticizers, oil and water.
  • Unsatisfactory durability means the disadvantage that when in contact with oily materials on the recording tild or in contact with a plasticizer (e.g. DOP, DOA) in a packaging film such as polyvinyl chloride film% of the recording image disappears when in contact with oil, vinegar, water, etc., and that in contact with a liquid containing a polar volatile solvent (e.g. ethanol , Whiskey and hair oil) the recording sheet is discolored.
  • a plasticizer e.g. DOP, DOA
  • a packaging film such as polyvinyl chloride film% of the recording image disappears when in contact with oil, vinegar, water, etc.
  • a liquid containing a polar volatile solvent e.g. ethanol , Whiskey and hair oil
  • a coating layer i.e. a coating layer
  • a protective layer made of a high molecular material, e.g. a water-soluble polymer.
  • JP-OS 132592/1983 a metal salt of alkylxantogenic acid is used as a color developing agent in the heat-sensitive layer with a coating layer.
  • JP-OS 136493/1983 uses two special phenolic compounds as color developing agents in a heat-sensitive layer of the recording sheet with a coating layer.
  • JP-OS 151297/1983 a special color developing agent and color forming aid are added to the heat-sensitive layer of a recording sheet having a coating layer.
  • JP-OL 203092/1982 on the surface of the base sheet of a heat-sensitive recording sheet a lower coating layer consisting mainly of a filler and a binder, and a heat-sensitive layer lying on the lower coating layer and an upper coating layer lying on the heat-sensitive layer and consisting mainly of a water-soluble, high molecular weight binder and a filler, and on the back of the base sheet, a back coating layer consisting mainly of a water-soluble binder is used.
  • a polyvalent metal salt of a carboxylic acid is added to a lower or an upper coating layer.
  • the main characteristic that all of these improvement methods have is that by using a lower coating layer t , an upper coating layer or a back coating layer, the penetration of plasticizers, salad oil, vinegar, a liquid containing a polar volatile solvent, etc. in the heat sensitive layer is physically prevented. However, if such a layer has a small hole, the above substance immediately penetrates into the heat-sensitive layer so that the recording image is erased or the unstained part becomes discolored.
  • the invention has for its object to provide a heat-sensitive recording sheet which has a clear recording image with a high dynamic image density and low thermal energy input and which is superior in durability and durability e.g. against plasticizers, oil and water.
  • This object is achieved in a heat-sensitive recording sheet according to the invention by incorporating the calcium salt of the phthalic monobenzyl ester of the following formula (I) or the zinc salt of p-nitrobenzoic acid of the following formula (II) into the heat-sensitive color development layer, and that an upper coating layer on the heat-sensitive layer and on the back of the base sheet apply a back coating layer.
  • the calcium salt of the phthalic acid monobenzyl ester of the formula (I) and the zinc salt of the p-nitrobenzoic acid of the formula (II) have a function as stabilizers against oily materials .
  • To achieve the above object also includes applying a heat-sensitive color development layer on the surface of the base sheet, an upper coating layer thereon and a back coating layer on the back of the base sheet, each layer being given its own function.
  • the heat-sensitive color development layer is first described.
  • the heat-sensitive color development layer of the present invention is better than the previous color development layer in terms of dynamic color development sensitivity, plasticizer, oil and water resistance.
  • the heat-sensitive color development layer according to the invention consists of basic colorless or slightly colored chromogenic dyes (hereinafter referred to as basic colorless dye), organic color developing agent, binder, stabilizer (calcium salt of phthalic acid monobenzyl ester or zinc salt of p-nitrobenzoic acid), filler, sensitizer, waxes, waterproofing agent, etc. .
  • the stabilizer according to the invention the calcium salt that is, the Phthal Acidmonobenzylesters and / or the zinc salt of p-nitrobenzoic acid, the color development of the image results in the stabilization to plasticizers, solvents, etc. which might enter through a N needle hole in the coating layer oils.
  • the amount of the stabilizer according to the invention is preferably in the range from 5 to 20% by weight on a dry basis, based on the total weight of the heat-sensitive color development layer.
  • Preferred examples of the organic color developing agent according to the invention are bisphenol A types, 4-hydroxybenzoic acid esters, 4-hydroxyphthalic acid diesters, phthalic acid monoesters, bis- (hydroxyphenyl) sulfides, 4-hydroxyphenylarylsulfones, 4-hydroxyphenylarylsulfonates, 1,3-di- (2-hydroxyphenyl) - 2-propyl) benzenes etc.
  • suitable compounds of this type are as follows:
  • the above color developing agents can be used either alone or in combination.
  • the amount of color developing agent according to the invention is preferably in the range of 10 to 40% by weight on a dry basis, based on 'the total weight of the heat-sensitive color developing layer.
  • the choice of the basic colorless dye according to the invention fe is not subject to any particular restrictions, for example the dyes of the tripherylmethane, fluoran and azaphthalide series can be used.
  • the above dyes can be used alone or in a mixture.
  • the combined use of 3-diethylamino-6-methyl-7-anilinofluoran and 3- (N-cyclohexyl-N-methylamino) -6-methyl-7-anilinofluoran results in a heat-sensitive recording sheet with remarkably high dynamic image density, superior oil resistance and improved stability in storage.
  • the amount of the basic colorless dye of the present invention is preferably in the range of 5 to 20% by weight on a dry basis based on the total weight of the heat-sensitive color developing layer.
  • the sensitizer e.g., derephthalate of terephthalate, benzyl p-benzyloxybenzoate, di-p-tolyl carbonate, p-benzyl biphenyl, phenyl- ⁇ -naphthyl carbonate
  • derephthalate of terephthalate benzyl p-benzyloxybenzoate
  • di-p-tolyl carbonate p-benzyl biphenyl
  • phenyl- ⁇ -naphthyl carbonate e.g., phenyl- ⁇ -naphthyl carbonate
  • binders are, for example, water-soluble binders, such as polyvinyl alcohol, carboxyl group-modified polyvinyl alcohol, methyl cellulose, hydroxyethyl cellulose, carboxymethyl cellulose, polyvinyl pyrrolidone, polyacrylamide, polyacrylic acid, starch and gelatin; aqueous emulsion binders such as styrene-butadiene latex, styrene-acrylic acid ester, vinyl acetate; and the same.
  • water-soluble binders such as polyvinyl alcohol, carboxyl group-modified polyvinyl alcohol, methyl cellulose, hydroxyethyl cellulose, carboxymethyl cellulose, polyvinyl pyrrolidone, polyacrylamide, polyacrylic acid, starch and gelatin
  • aqueous emulsion binders such as styrene-butadiene latex, styrene-acrylic acid ester, vinyl acetate
  • Carboxyl group-modified polyvinyl alcohol is a reaction product of polyvinyl alcohol and a carbon acid such as fumaric acid, maleic acid, itaconic acid, maleic anhydride, phthalic anhydride, trimelitic anhydride, itaconic anhydride, etc .; or a product obtained by the esterification of the reaction product; or a saponified product of a polymer of vinyl acetate and a low ethylenically unsaturated carboxylic acid such as maleic acid, fumaric acid, itaconic acid, etc.
  • a carbon acid such as fumaric acid, maleic acid, itaconic acid, maleic anhydride, phthalic anhydride, trimelitic anhydride, itaconic anhydride, etc .
  • a product obtained by the esterification of the reaction product or a saponified product of a polymer of vinyl acetate and a low ethylenically unsaturated carboxylic acid such
  • the amount of the binder is preferably in the range of 25 to 45 parts by weight on a dry basis based on the total weight of the heat-sensitive color developing layer.
  • waterproofing agents are formaldehyde, glyoxal, chloroalum, melamine, melamine-formaldehyde resin, polyamide resin, polyamide-epichlorohydrin resin, epoxy series resins, etc.
  • the amount of the waterproofing agent is preferably in the range of 20 to 50% by weight on a dry basis, based on the total weight of the water-soluble high-molecular product.
  • Filler is optionally added to the color development layer. Both inorganic and organic fillers used in the paper processing field can be used as fillers.
  • fillers are fine particles of clay, talc, silicon dioxide, magnesium carbonate, alumina, aluminum hydroxide, magnesium hydroxide, barium sulfate, kaolin, titanium dioxide, zinc oxide, calcium carbonate, aluminum oxide, urea-formaldehyde resin, polystyrene-phenolic resin, etc.
  • release agents such as metal salts of fatty acids
  • Lubricants such as waxes
  • Anti-mottling agents such as fatty acid amide, ethylene bisamide, montan wax and polyethylene wax; and the same.
  • the top coating layer has the functions of coordinating the behavior between the recording sheet and the thermal head, and preventing the penetration of plasticizers, oils, water, solvents, etc. to improve the durability and durability of the recording image.
  • the top coating layer according to the invention consists of polyvinyl alcohol or carboxyl group-modified polyvinyl alcohol as binder and filler, and optionally water-proofing agent, release agent and other water-soluble high-molecular-weight binders.
  • the total amount of the binder is preferably in the range from 30 to 80% by weight on a dry basis on the total weight of the Upper coating layer, and the amount of the upper coating layer is preferably in the range of 1 to 7 g / m 2 , whereby superior effects are obtained. If the amount is less than 30% by weight, the binding power is reduced. When the amount is more than 80% by weight, the recording sheet often adheres to the thermal head.
  • a release agent e.g. Metal salts of fatty acids and a lubricant such as waxes in the range of 0 to 15% by weight on a dry basis based on the total weight of the upper coating layer.
  • the carboxyl group-modified polyvinyl alcohol can be used in the color developing layer.
  • Water-soluble, high molecular weight binders are methyl cellulose, hydroxyethyl cellulose, carboxymethyl cellulose, polyvinyl pyrrolidone, polyacrylamide, polyacrylic acid and the like.
  • the waterproofing agent can be used in the color developing layer.
  • the amount of waterproofing agent is preferred in the range of up to 56% by weight on a route basis, based on the total weight of the lower layer.
  • the fillers can be used as fillers in the color development layer.
  • the polyvinyl alcohol with a degree of saponification of less than 90% has great resistance to animal oils, vegetable oils and solvents.
  • the back coating layer according to the invention has one Function as a layer to improve the durability and durability of the recorded image and to prevent warping. That is, it prevents the plasticizer, oils, vinegar, water, solvents, etc. from penetrating into the color development layer from the back of the base sheet.
  • the heat-sensitive recording sheet which is formed by applying a color development layer to the base sheet and applying an upper coating layer thereon, leads to great surface tension during bending, with the risk of cracking in the coating at low humidity (relative humidity of less than 50%), because there are two layers on the surface of the base sheet and the top coating layer contains a large amount of water-soluble high molecular binder. This phenomenon leads to inferior running behavior when applied to facsimile printing, etc.
  • the back coating layer according to the invention contains as a main component a binder of a hydrophobic high molecular weight aqueous emulsion and optionally a filler in the range of less than 30% by weight.
  • the amount of coating for the back is preferably in the range from 1 to 5 g / m 2 , in particular 4 g / m 2 .
  • each layer namely the heat-sensitive color development layer, top coating layer and back coating layer, has individual functions and the synergism of the functions leads to effects according to the invention.
  • the coating composition for the heat-sensitive color developing layer of the present invention is produced by using the organic color developing agent and the basic colorless dye after the addition of the aqueous solution of a water-soluble polymer separated in an emulsifier, for example a attritor, sand grinder, etc., ground to a particle size of 1 to 3 ⁇ m, and the dispersions obtained, if appropriate filler, sensitizer, stabilizer, dispersant such as wax, anti-foaming agent, waterproofing agent, etc. mixed together in a certain ratio.
  • an emulsifier for example a attritor, sand grinder, etc.
  • Each of the coating compositions for the top coat layer and the back coat layer is made by mixing filler, water-soluble polymer binder, lubricant, etc. together.
  • the desired heat-sensitive recording sheet is obtained by sequentially applying these coating compositions on a base sheet such as paper, coated paper, etc.
  • compositions were individually milled to a particle size of 3 microns in a grinder to prepare solutions A, B and C.
  • Solution B (dispersion of color developing agent):
  • the coating composition for the back coating layer was prepared in the same manner as in coating composition E, but with polyurethane emulsion instead of polyvinyl alcohol solution.
  • coating compositions were applied in a coating amount according to Table 1 to a base paper with a weight of 50 g / m 2 , dried and supercalendered in order to adjust the smoothness of the upper coating layer to 200-300 seconds.
  • a heat-sensitive recording sheet was prepared according to Example 1, but with the following stabilizer dispersion D instead of stabilizer dispersion C, produced.
  • a heat-sensitive recording sheet was produced according to Example 1, but with the following coating composition F instead of coating composition E.
  • a heat-sensitive recording sheet was produced according to Example 1, but with the stabilizer dispersion D instead of C and with the coating composition F instead of E.
  • compositions were individually milled to a particle size of 3 microns in a grinder to prepare solutions A and B.
  • Solution B (dispersion of color developing agent):
  • composition E for the top coating layer.
  • the coating composition for the back coating layer was prepared in the same manner as in coating composition E, but with polyurethane emulsion instead of polyvinyl alcohol solution.
  • coating compositions were applied in a coating amount according to Table 1 to a base paper with a weight of 50 g / m 2 , dried and supercalendered in order to adjust the smoothness of the top coating layer to 600-1000 seconds.
  • a heat sensitive recording sheet was left behind Comparative Experiment 1, but without the back coating layer.
  • a heat-sensitive recording sheet was prepared in Comparative Experiment 1, but without the back coat layer and the top coat layer.
  • the residual image density is calculated using the following formula:
  • the heat-sensitive recording sheets according to the invention which contain the calcium salt of phthalic acid monobenzyl ester or zinc salt of p-nitrobenzoic acid in the heat-sensitive color development layer, and which have both the top coating layer and the back coating layer superior in oil resistance, softener resistance and behavior between the recording sheet and the thermal head.
  • the use of polyvinyl alcohol with a degree of saponification of 97% and a degree of polymerization of 300 gives the best effects.

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  • Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Inorganic Chemistry (AREA)
  • Heat Sensitive Colour Forming Recording (AREA)
EP85110225A 1984-08-15 1985-08-14 Feuille pour l'enregistrement sensible à la chaleur Expired EP0171810B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP59170153A JPS6147292A (ja) 1984-08-15 1984-08-15 感熱記録紙
JP170153/84 1984-08-15

Publications (3)

Publication Number Publication Date
EP0171810A2 true EP0171810A2 (fr) 1986-02-19
EP0171810A3 EP0171810A3 (en) 1986-10-29
EP0171810B1 EP0171810B1 (fr) 1989-01-11

Family

ID=15899662

Family Applications (1)

Application Number Title Priority Date Filing Date
EP85110225A Expired EP0171810B1 (fr) 1984-08-15 1985-08-14 Feuille pour l'enregistrement sensible à la chaleur

Country Status (4)

Country Link
US (1) US4590499A (fr)
EP (1) EP0171810B1 (fr)
JP (1) JPS6147292A (fr)
DE (1) DE3567411D1 (fr)

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0181646A2 (fr) * 1984-11-16 1986-05-21 Jujo Paper Co., Ltd. Feuille pour l'enregistrement thermosensible
EP0319283A2 (fr) * 1987-12-04 1989-06-07 Appleton Papers Inc. Matériau d'enregistrement thermosensible
FR2670435A1 (fr) * 1990-12-17 1992-06-19 Ricoh Kk Materiau d'enregistrement thermosensible.
FR2748420A1 (fr) * 1996-05-10 1997-11-14 Mitsubishi Paper Mills Ltd Materiau d'enregistrement thermosensible et procede de fabrication de ce materiau
EP1079271A1 (fr) * 1999-08-20 2001-02-28 Fuji Photo Film Co., Ltd. Matériau formant image, traité thermiquement
US6326330B1 (en) 1997-09-12 2001-12-04 Mitsubishi Hitech Paper Flensburg Gmbh Thermo-sensitive printing sheet comprising a back coating containing starch, an acrylate copolymer and an alkaline catalyst
US6861113B2 (en) 2000-03-24 2005-03-01 Mitsubishi Hitec Paper Flensburg Gmbh Recording paper that can be printed on the reverse

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS62181181A (ja) * 1986-02-05 1987-08-08 Fuji Photo Film Co Ltd 感熱記録材料
JPS62263088A (ja) * 1986-05-09 1987-11-16 Nippon Synthetic Chem Ind Co Ltd:The 感熱記録材料
JPH0698827B2 (ja) * 1987-01-29 1994-12-07 富士写真フイルム株式会社 感熱記録紙
JP2914450B2 (ja) * 1989-07-17 1999-06-28 三菱製紙株式会社 感熱記録シート
US5194418A (en) * 1990-08-25 1993-03-16 Ricoh Company, Ltd. Thermosensitive recording material
JP3557747B2 (ja) * 1995-08-23 2004-08-25 日板パッケージ株式会社 酸化チタン含有紙を用いた段ボールおよび脱臭エレメント
ES2124202B1 (es) * 1997-07-15 1999-11-16 Keylink Gestao E Investimentos Un procedimiento para la preparacion de laminas continuas recubiertas para su impresion con impresoras termicas sin impacto, y lamina asi constituida.
US7314704B2 (en) * 2005-10-24 2008-01-01 Hewlett-Packard Development Company, L.P. Image recording media and image layers
ATE458623T1 (de) * 2007-09-10 2010-03-15 Mitsubishi Hitec Paper Flensbu Wärmeempfindliches aufzeichnungsmaterial mit rückseitenbeschichtung
CN116716762B (zh) * 2023-07-19 2024-02-13 柏仁新材料(广州)股份有限公司 一种环保型、耐久性好的热敏纸及其制备方法

Citations (1)

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Publication number Priority date Publication date Assignee Title
EP0135901A2 (fr) * 1983-09-16 1985-04-03 Jujo Paper Co., Ltd. Matériel pour l'enregistrement thermosensible

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JPS57116690A (en) * 1981-01-13 1982-07-20 Ricoh Co Ltd Thermal recording material
JPS57181892A (en) * 1981-05-01 1982-11-09 Ricoh Co Ltd Heat snsitive recording material
JP2826110B2 (ja) * 1988-07-29 1998-11-18 株式会社リコー 昇華型熱転写媒体
JPH0239993A (ja) * 1988-07-30 1990-02-08 Canon Inc 樹脂組成物液及び感熱転写材形成用塗布液

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0135901A2 (fr) * 1983-09-16 1985-04-03 Jujo Paper Co., Ltd. Matériel pour l'enregistrement thermosensible

Cited By (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0181646A2 (fr) * 1984-11-16 1986-05-21 Jujo Paper Co., Ltd. Feuille pour l'enregistrement thermosensible
EP0181646A3 (en) * 1984-11-16 1986-11-05 Jujo Paper Co., Ltd. Heat-sensitive registration foil
EP0319283A2 (fr) * 1987-12-04 1989-06-07 Appleton Papers Inc. Matériau d'enregistrement thermosensible
EP0319283A3 (en) * 1987-12-04 1990-08-16 Appleton Papers Inc. Thermally responsive record material
FR2670435A1 (fr) * 1990-12-17 1992-06-19 Ricoh Kk Materiau d'enregistrement thermosensible.
US5189007A (en) * 1990-12-17 1993-02-23 Ricoh Company, Ltd. Thermosensitive recording material
FR2748420A1 (fr) * 1996-05-10 1997-11-14 Mitsubishi Paper Mills Ltd Materiau d'enregistrement thermosensible et procede de fabrication de ce materiau
US6326330B1 (en) 1997-09-12 2001-12-04 Mitsubishi Hitech Paper Flensburg Gmbh Thermo-sensitive printing sheet comprising a back coating containing starch, an acrylate copolymer and an alkaline catalyst
EP1079271A1 (fr) * 1999-08-20 2001-02-28 Fuji Photo Film Co., Ltd. Matériau formant image, traité thermiquement
US6770430B1 (en) 1999-08-20 2004-08-03 Fuji Photo Film Co., Ltd. Thermally processed image forming material
US6861113B2 (en) 2000-03-24 2005-03-01 Mitsubishi Hitec Paper Flensburg Gmbh Recording paper that can be printed on the reverse

Also Published As

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DE3567411D1 (en) 1989-02-16
JPS6147292A (ja) 1986-03-07
EP0171810B1 (fr) 1989-01-11
EP0171810A3 (en) 1986-10-29
US4590499A (en) 1986-05-20

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