EP0171810B1 - 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
EP0171810B1
EP0171810B1 EP85110225A EP85110225A EP0171810B1 EP 0171810 B1 EP0171810 B1 EP 0171810B1 EP 85110225 A EP85110225 A EP 85110225A EP 85110225 A EP85110225 A EP 85110225A EP 0171810 B1 EP0171810 B1 EP 0171810B1
Authority
EP
European Patent Office
Prior art keywords
heat
recording sheet
layer
sensitive
sensitive recording
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.)
Expired
Application number
EP85110225A
Other languages
German (de)
English (en)
Other versions
EP0171810A2 (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, foil, etc., which is obtained by finely grinding and dispersing a colorless chromogenic substance and a color developing material, e.g. B. a phenolic substance, mixing the dispersions obtained and adding a binder, filler, sensitizer, lubricant and other auxiliaries has been obtained.
  • a coating color to the surface of a support such as paper, film, foil, etc.
  • a color developing material e.g. B. a phenolic substance
  • heat-sensitive recording sheets or foils include their use in measurement recording devices, terminal printers for computers, printers for facsimile machines, ticket vending machines, bar code notes and the like ... Recently, the requirements for recording machines have 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 energy input, and on the other hand the heat-sensitive recording sheets are said to have superior durability and e.g. B. be more resistant to plasticizers, oil and water.
  • Unsatisfactory durability means that when touched with oily materials on the recording image or when touched with a plasticizer (e.g. DOP, DOA) in a packaging film such as polyvinyl chloride film or when touched with oil, vinegar, water, etc., the recording image disappears and that upon 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 coating layer i.e. H. a protective layer made of a high molecular material, e.g. B. a water-soluble polymer used.
  • 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.
  • 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 are applied is the heat-sensitive layer and consists predominantly of a water-soluble, high molecular weight binder and a filler, and on the back of the base sheet a back coating layer, which mainly consists 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 bottom coating layer, an upper coating layer, or a back coating layer, the penetration of plasticizers, salad oil, vinegar, a liquid containing a polar volatile solvent, etc. into 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 with a low heat energy supply a clear recording image with high dynamic image density and has superior durability and durability e.g. B. against plasticizers. Has 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 (11) into the heat-sensitive color development layer, and that an upper coating layer is applied to the heat-sensitive layer and a back coating layer is applied to the back of the base sheet.
  • the calcium salt of the phthalic acid monobenzyl ester has the Formula (I) and the zinc salt of p-nitrobenzoic acid of the formula (11) 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 according to the 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 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 i. H. the calcium salt of phthalic acid monobenzyl ester and / or the interest salt of p-nitrobenzoic acid leads to stabilization of the color development image against plasticizers, oils, solvents, etc., which could penetrate through a pinhole in the coating layer.
  • 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.
  • the above color developing agents can be used either alone or in combination.
  • the amount of the color developing agent of the present 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 dyes according to the invention is not subject to any particular restrictions, for example the dyes of the tripherylmethane, fluorane 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., terephthalic acid dibenzyl ester, p-benzyloxybenzoic acid benzyl ester, di-p-tolyl carbonate, p-benzyl biphenyl, phenyl-a-naphthyl carbonate
  • terephthalic acid dibenzyl ester e.g., terephthalic acid dibenzyl ester, p-benzyloxybenzoic acid benzyl ester, di-p-tolyl carbonate, p-benzyl biphenyl, phenyl-a-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; watery emul ion 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
  • watery emul ion 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 carboxylic acid, for example 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 carboxylic acid for example 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 carboxy
  • the amount of the binder is preferably in the range of 25 to 45% 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, resins of the epoxy series, 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.
  • the following additives are optionally added: 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.
  • 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
  • the top coat layer functions to balance the behavior between the recording sheet and the thermal head, and to prevent 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 a 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 of 30 to 80% by weight on a dry basis based on the total weight of the top coat layer, and the amount of the top coat layer is preferably in the range of 1 to 7 g / m 2 gets superior effects. 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 for. B. metal salts of fatty acids, and a lubricant such as waxes in the range of 0 to 15 wt .-% on a dry basis, based on the total weight of the upper coating layer, are added.
  • the carboxyl group-modified polyvinyl alcohol can be used in the color developing layer.
  • water-soluble high molecular weight binders examples include 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 the waterproofing agent is preferably in the range of 29 to 50% by weight on a dry basis based on the total weight of the upper coating 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 coat layer of the present invention functions as a layer to improve the durability and durability of the recording image and to prevent the curvature. I.e. it prevents the plasticizer, oils, vinegar, water, solvents, etc. from entering 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 two layers on the surface of the Are base sheet and the upper 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 of 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 development layer according to the invention is prepared by separating the organic color development agent and the basic colorless dye after the addition of the aqueous solution of a water-soluble polymer in an emulsifier, for. B. a grinder, sand grinder, etc. ground to a particle size of 1 to 3 microns, and the dispersions obtained, optionally filler, sensitizer, stabilizer, dispersant such as wax, antifoam, waterproofing agent, etc. mixed together in a certain ratio.
  • an emulsifier for. B. a grinder, sand grinder, etc. ground to a particle size of 1 to 3 microns
  • 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. with each other.
  • 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 grinded individually to a particle size of 3 f.Lm (micron) in a grinder to prepare solutions A, B and C.
  • Solution B (dispersion of color developing agent)
  • composition E for the top coat 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 200-300 seconds.
  • a heat-sensitive recording sheet was produced according to Example 1, but with the following stabilizer dispersion D instead of stabilizer dispersion C.
  • 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 ground in an attritor to a particle size of 3 ⁇ m (microns) individually to prepare solutions A and B.
  • composition E for the top coat 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 prepared in Comparative Experiment 1, but without a back coat layer.
  • a heat-sensitive recording sheet was prepared according to Comparative Experiment 1, but without a back coating layer and without an upper coating layer.
  • MBP-Ca means calcium salt of phthalic acid monobenzyl ester
  • PNB-Zn means zinc salt of p-nitrobenzoic acid.
  • a heat sensitive recording sheet is recorded at a pulse width of 4.0 milliseconds and an applied voltage of 30 V using a type TLP-150 barcode printer; the image density is measured with a spectrophotometer (PDM-5, manufactured by Konishiroku Photo Ind. Co., Ltd.).
  • Full brand printing is recorded using the bar code printer. After the records have been made, the sticking of the sheet to the thermal head and the residues on the thermal head are checked, the thermal head being observed.
  • Both the surface of the top coat layer and the surface of the back coat layer of the heat-sensitive recording sheet printed with a bar code printer are treated with salad oil and left to stand at 40 ° C for 25 hours. Then the image density is measured with a spectrophotometer. The residual image density is calculated using the following formula.
  • Both the surface of the top coating layer and the surface of the back coating layer of the heat-sensitive recording sheet printed on a bar code printer are coated with a food wrapping film containing a large amount of a plasticizer.
  • the heat-sensitive recording sheet obtained is allowed to stand under a pressure of 41 g / cm 2 at 40 ° C for 24 hours.
  • 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)

Claims (7)

1. Feuille d'enregistrement sensible à la chaleur, dans laquelle il est appliqué sur la surface d'une feuille de base une couche-révélateur sensible à la chaleur qui contient un colorant chromogène, incolore ou faiblement coloré, basique et un révélateur organique, comprend de façon contiguë une couche supérieure de revêtement, et comprend sur le verso de la feuille de base une couche arrière de revêtement, caractérisée en ce que la couche-révélateur sensible à la chaleur contient comme stabilisateur le sel de calcium de l'ester monobenzylique de l'acide phtalique et/ou le sel de zinc de l'acide p-nitrobenzoïque.
2. Feuille d'enregistrement sensible à la chaleur suivant la revendication 1, caractérisée en ce que la couche supérieure de revêtement contient de l'alcool polyvinylique ou de l'alcool polyvinylique modifié par des radicaux carboxyliques et une charge, et la couche arrière de revêtement contient comme composant principal un liant sous forme d'émulsion.
3. Feuille d'enregistrement sensible à la chaleur suivant la revendication 2, caractérisée en ce que l'alcool polyvinylique cité est un alcool polyvinylique ayant un degré de saponification de 95 à 100 % et un degré de polymérisation de 100 à 2000.
4. Feuille d'enregistrement sensible à la chaleur suivant la revendication 2, caractérisée en ce que le liant sous forme d'émulsion est un liant sous forme d'émulsion d'un composé de polyuréthane.
5. Feuille d'enregistrement sensible à la chaleur suivant l'une des revendications 1, 2, 3 ou 4, caractérisée en ce que le révélateur organique cité est l'ester benzylique de l'acide p-hydroxybenzoïque.
6. Feuille d'enregistrement sensible à la chaleur suivant la revendication 5, caractérisée en ce que l'ester benzylique de l'acide p-hydroxybenzoïque est présent dans une quantité de 10 à 40 % en poids sur base sèche, rapporté au poids total de la couche-révélateur sensible à la chaleur.
7. Utilisation du sel de calcium de l'ester monobenzylique de l'acide phtalique en tant que stabilisateur dans la couche-révélateur sensible à la chaleur d'une feuille d'enregistrement.
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
JP170153/84 1984-08-15
JP59170153A JPS6147292A (ja) 1984-08-15 1984-08-15 感熱記録紙

Publications (3)

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

Family

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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)

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US4630080A (en) * 1984-11-16 1986-12-16 Jujo Paper Co., Ltd. Heat-sensitive recording sheet
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
US4820683A (en) * 1987-12-04 1989-04-11 Appleton Papers Inc. Thermally-responsive record material
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
JP3176941B2 (ja) * 1990-12-17 2001-06-18 株式会社リコー 感熱記録材料
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
JPH1024657A (ja) * 1996-05-10 1998-01-27 Mitsubishi Paper Mills Ltd 感熱記録材料およびその製造方法
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.
WO1999014056A1 (fr) 1997-09-12 1999-03-25 Stora Spezialpapiere Gmbh Feuille d'impression thermosensible munie d'un revetement au verso, contenant de l'amidon, un copolymere d'acrylate et un catalyseur alcalin
JP2001056522A (ja) * 1999-08-20 2001-02-27 Fuji Photo Film Co Ltd 熱現像画像記録材料
DE10014351A1 (de) 2000-03-24 2001-09-27 Mitsubishi Hitec Paper Flensbu Aufzeichnungspapier zum rückseitigen Bedrucken
US7314704B2 (en) * 2005-10-24 2008-01-01 Hewlett-Packard Development Company, L.P. Image recording media and image layers
PL2033802T3 (pl) * 2007-09-10 2010-08-31 Mitsubishi Hitec Paper Europe Gmbh Wrażliwy na ciepło materiał do zapisu wyposażony w powłokę od tylnej strony
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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

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US4590499A (en) 1986-05-20
EP0171810A2 (fr) 1986-02-19
DE3567411D1 (en) 1989-02-16
JPS6147292A (ja) 1986-03-07
EP0171810A3 (en) 1986-10-29

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