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1. 发明专利

JPH07137446A HEAT-SENSITIVE RECORDING BODY 失效
公开(公告)号：JPH07137446A
公开(公告)日：1995-05-30
申请号：JP15497793
申请日：1993-06-25
申请人： NEW OJI PAPER CO LTD
发明人： KAWAMURA MASATO , INUBUSHI KEIICHI , NAKASAKI SUNAO
IPC分类号： B41M5/28 , B41M5/26 , B41M5/30 , B41M5/337 , B41M5/40
摘要： PURPOSE:To obtain a heat-sensitive recording body, in which no color develops even when exposed to high temperature after being recorded, by a method wherein at least one of metal salts, waxes and silicone compounds of higher fatty acid, is included incolor agent layer and color former layer, both of which are provided on support. CONSTITUTION:At least one of metal salts, waxes and silicone compounds of higher fatty acid is included in coloring agent layer and/or color former layer, both of which are provided on a support as heat-sensitive recording body. Thus, after recording is performed, the coloring agent layer and the color former layer can be separated from each other at the interface between the layers. By separating both layers from each other at the interface between the layers, the recorded image can be obtained on both layers or only one layer and the color development in ground part can be prevented from occurring when the layers are exposed to high temperature. At this time, for example, when the melting point of the color former layer, which is produced in advance on the support, is higher than the melting point of the color agent layer produced on the color former layer, recorded image is obtained only on the color agent layer, when recording is carried out by applied energy.

2. 发明专利

JPH07101150A METHOD OF RECORDING THERMAL RECORDING MATERIAL 失效
公开(公告)号：JPH07101150A
公开(公告)日：1995-04-18
申请号：JP24579693
申请日：1993-09-30
申请人： NEW OJI PAPER CO LTD
发明人： TAI YASUTO , OKAMOTO TOSAKU , KAWAMURA MASATO
IPC分类号： B41M5/28 , B41M5/26 , B41M5/30 , B41M5/40
摘要： PURPOSE:To record a thermal recording method wherein data recorded by a thermal recording system is not known by a third person. CONSTITUTION:In applying recording to a thermal recording material wherein a thermal recording layer and a layer formed in a releasable manner by a coating process and making recorded image impossible to read are successively provided on a support, data is thermally recorded on the thermal recording material and, thereafter, either one of a process (1) again heat-treating the part where at least data is recorded within a temp. region generating no color development in the recording layer, a process (2) smoothing the recording surface of the part where at least data is recorded under pressure and a process (3) shaping the recording surface of the part where at least data is recorded is performed.

3. 发明专利

JPH0776165A THERMAL RECORD BODY 失效
公开(公告)号：JPH0776165A
公开(公告)日：1995-03-20
申请号：JP22373993
申请日：1993-09-08
申请人： NEW OJI PAPER CO LTD
发明人： TAI YASUTO , KAWAMURA MASATO , OKAMOTO TOSAKU
IPC分类号： B41M5/28 , B41M5/26 , B41M5/30 , B41M5/42
摘要： PURPOSE:To obtain a thermal record body whose thermally recorded information does not become known to a third person by arranging, in sequence on the top face of a support body, a thermal recording layer and a peelable masking layer formed by coating process so as to make recorded information unreadable, and making the face of the masking layer rough. CONSTITUTION:A thermal record body is constituted by arranging in sequence a thermal recording layer and a specified masking layer on the top face of a support body. That is, the masking layer is formed by coating process in a peelable way, so as to make recorded information unreadable. The face of the masking layer is roughed, or a roughed overcoat layer may be arranged on the top face of the masking layer in the thermal record body. In roughing the face, for example, the face is roughed by an embossing roll or a roughing roll after the masking layer is formed. Thus, a thermal record medium whose thermally recorded information does not become known to a third person is obtained.

4. 发明专利

JPH0768931A HEAT TRANSFER RECORDING BODY 失效
公开(公告)号：JPH0768931A
公开(公告)日：1995-03-14
申请号：JP22093793
申请日：1993-09-06
申请人： NEW OJI PAPER CO LTD
发明人： OKAMOTO TOSAKU , TAI YASUTO , ISHITOKO KAORI , KAWAMURA MASATO
IPC分类号： B41M5/382 , B41M5/26
摘要： PURPOSE:To obtain a heat transfer recording body which can inexpensively and easily be manufactured and can easily be finished to a small roll as a substrate and a recording layer are integrated by providing a peelable heat transfer ink layer on the upper face of the substrate by a coating process. CONSTITUTION:A heat transfer recording body is constituted by providing a peelable heat transfer ink layer on the upper face of a substrate by a coating process. In addition, an overcoat layer may be provided on the upper face of the heat transfer ink layer. Furthermore, an image receiving layer may be provided between the substrate and the heat transfer ink layer. The heat transfer recording body which can inexpensively and easily be manufactured and can easily be finished to a small roll as the substrate and the recording layer are integrated in the same way as the conventional leuco dye type heat- sensitive recording body, is obtd. thereby.

5. 发明专利

JPH0761124A THERMAL RECORDING MATERIAL AND METHOD 失效
公开(公告)号：JPH0761124A
公开(公告)日：1995-03-07
申请号：JP20916693
申请日：1993-08-24
申请人： NEW OJI PAPER CO LTD
发明人： KAWAMURA MASATO , INADA SATOKO , NAKASAKI SUNAO , INUBUSHI KEIICHI
IPC分类号： B41M5/28 , B41M5/26 , B41M5/30 , B41M5/40
摘要： PURPOSE:To provide a thermal recording material excellent in secrecy preventing the leakage of the data recorded on the thermal recording material to a third person. CONSTITUTION:A thermal recording material 1 is constituted by providing a high temp. color forming thermal recording layer 3 forming a color by high heat energy on a support 2 and a releasable low temp. color forming thermal recording layer forming a color by low heat energy and making the recording image of the high temp. color forming layer impossible to read on the recording layer 3.

6. 发明专利

JPH06278366A THERMAL RECORDING BODY 失效
公开(公告)号：JPH06278366A
公开(公告)日：1994-10-04
申请号：JP7152393
申请日：1993-03-30
申请人： NEW OJI PAPER CO LTD
发明人： FUKUDA TAKESHI , NOJIMA MASAHARU , KAWAMURA MASATO , OKUDA MASATOSHI
IPC分类号： B41M5/337 , B41M5/26 , B41M5/30 , B41M5/327
摘要： PURPOSE:To obtain a thermal recording body enhanced in recording sensitivity and brightness and hardly reduced in brightness with time. CONSTITUTION:In a thermal recording body provided with a recording layer containing a leuco dye, a color developer, and a sensitizer on a substrate, 1) the melting point of the sensitizer is 80-110 deg.C, 2) the average particle diameter of the leuco dye and the sensitizer is not more than 0.8mum, and 3) a magnesium carbonate is incorporated in the recording layer in the amount of 15-40wt.% per leuco dye.

7. 发明专利

JPH0672025A MANUFACTURE OF THERMAL RECORDING MEDIUM 失效
公开(公告)号：JPH0672025A
公开(公告)日：1994-03-15
申请号：JP22632392
申请日：1992-08-26
申请人： NEW OJI PAPER CO LTD
发明人： KAWAMURA MASATO , OKUDA MASATOSHI
IPC分类号： B41M5/28 , B41M5/26 , B41M5/30 , B41M5/337 , B41M5/42
摘要： PURPOSE:To provide a method for manufacturing a thermal recording medium having excellent recording density, picture quality, and excellent surface strength adapted for various printings. CONSTITUTION:A method for manufacturing a thermal recording medium comprises the steps of so coating a support with coating liquid containing pigment having 80ml/100g or more of oil absorption amount as to become 3-15g/m of dry weight, forming an intermediate layer having 300sec or more of surface Bekk smoothness, and then coating the intermediate layer with coating liquid containing 20wt.% or more of solid concentration having colorless or pale basic dye, coloring agent and graft copolymer of polyvinyl alcohol and (acrylamide.acrylic acid.acrylonitrile) copolymer.

8. 发明专利

JPH08112967A MANUFACTURE OF HEAT SENSITIVE RECORDING MEDIUM 失效
公开(公告)号：JPH08112967A
公开(公告)日：1996-05-07
申请号：JP24932594
申请日：1994-10-14
申请人： NEW OJI PAPER CO LTD
发明人： KAWAMURA MASATO , MINAMI TAKEHIRO , NAKAMURA MIKIO
IPC分类号： B41M5/337 , B41M5/26 , B41M5/30 , B41M5/333
摘要： PURPOSE: To provide a method for manufacturing a heat sensitive recording medium which has the excellent recording sensitivity and the excellent preservability of a recorded image and small skin fog. CONSTITUTION: A method for manufacturing a heat sensitive recording medium for providing a recording layer by coating a support with a recording layer coating liquid containing dispersion of leuco dye and colorant and drying it comprises the steps of using as the colorant 4,4'-bis(p- toluenesulfonylaminocarbonylamino)diphenylmethane, and using as dispersion of the colorant and/or the ammonium salt of maleic anhydride copolymer and water soluble cellulose ether.

9. 发明专利

JPH0839930A THERMAL RECORDING MATERIAL 失效
公开(公告)号：JPH0839930A
公开(公告)日：1996-02-13
申请号：JP17658994
申请日：1994-07-28
申请人： NEW OJI PAPER CO LTD
发明人： KAWAMURA MASATO , SHIMIZU YOSHIHIRO , KAWAI MASATO , NAKASAKI SUNAO
IPC分类号： B41M5/337 , B41M5/26
摘要： PURPOSE:To provide a thermal recording material excellent in recording sensitivity and recording image quality and reducing head refuse. CONSTITUTION:In a thermal recording material wherein a thermal recording material wherein a thermal recording layer containing a leuco dye and a coupler is provided on a support, an intermediate layer based on pigment with oil absorption (JIS K5101) of 100ml/100g or more and an ammonium salt of a styrene/ acrylic acid copolymer or an ammonium salt of a styrene/maleic anhydride copolymer being a water-soluble adhesive is provided.

10. 发明专利

JPH0789238A THERMAL RECORDING MEDIUM 失效
公开(公告)号：JPH0789238A
公开(公告)日：1995-04-04
申请号：JP23764293
申请日：1993-09-24
申请人： NEW OJI PAPER CO LTD
发明人： INADA SATOKO , SHIMIZU YOSHIHIRO , KAWAMURA MASATO , MINAMI TAKEHIRO
IPC分类号： B41M5/337 , B41M5/26
摘要： PURPOSE:To obtain a recorded image with outstanding stability, and resistance against plasticizer and oil by adding an epoxy compound expressed by a specific formula to a recording and/or protecting layer, in a thermal recording medium with the recording layer containing a colorless or a pale basic dye and a coloring agent and the protecting layer provided sequentially on a support. CONSTITUTION:This thermal recording medium consists of a recording layer containing a colorless or a pale basic dye and a coloring agent, and if necessary, a protecting layer provided on a support. In this medium, an epoxy compound is added to the recording layer and/or the protecting layer (R1 and R2 are a hydrogen atom or a methyl group respectively). This trivalent epoxy compound with a triazine nucleus shows a coloring reaction not susceptible of color discharge by a chemical such as a plasticizer to the basic dye in the recording layer. The thermal recording medium with an excellent recording density can be obtained especially by using a phenol coloring agent at the same time. In addition, it is possible to enhance the preservability of recorded print by providing a protecting layer on the thermal recording layer.

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