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Thermal recording sheet and thermal recording sheet pack

A recording film and heat-sensitive technology, which is applied in the field of bags containing the heat-sensitive recording film bundle, can solve the problem of difficult to install the heat-sensitive recording film bag reliably, and achieve the effect of not being easily scratched or rubbed

Inactive Publication Date: 2009-02-11
OJI PAPER CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

However, when the thermal recording pack is used in a vertical position, it is necessary to vertically install the thermal recording pack at the recording sheet collection part of the image recording device, and there is a problem that it is difficult to reliably install the existing thermal recording pack.

Method used

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  • Thermal recording sheet and thermal recording sheet pack
  • Thermal recording sheet and thermal recording sheet pack
  • Thermal recording sheet and thermal recording sheet pack

Examples

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Embodiment 1

[0058] The present invention is illustrated in more detail by the following examples, but the present invention is not limited thereto. In addition, unless otherwise specified, "parts" and "%" represent "parts by mass" and "% by mass", respectively.

[0059] ・Preparation of composite particle dispersion liquid (A liquid) containing leuco dye

[0060] 12 parts of 3-bis(n-butyl)amino-6-methyl-7-anilinofluoran, 5 parts of 3-diethylamino-6,8-dimethylfluoran and 3 parts of leuco dye, 3 parts of 3'-bis(4-diethylamino-2-ethoxyphenyl)-4-azaphthalide, and 5 parts of 2-hydroxy-4-octyloxybenzophenone as a UV absorber, heating Dissolve (150° C.) in 11 parts of dicyclohexylmethane-4,4′-diisocyanate (manufactured by Sumitomo Bayer Uletan Co., Ltd., Desmodure W), m-tetramethylxylylene diisocyanate (manufactured by Sanjin Takeda Chemical Co., Ltd. To a mixed solvent consisting of 11 parts of TMXDI), this solution was slowly added to ethylene oxide containing 8.8 parts of polyvinyl alcohol (ma...

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Abstract

A thermal recording sheet comprising, on one surface of square, transparent film, a thermal recording layer containing leuco dye and a coloration agent and a protection layer mainly containing water-based resin, wherein corner parts (1a, 1b, 1c, 1d) including at least one marked corner part (1a) are provided at its four corners. The corner parts (1a, 1b, 1c, 1d) respectively have end edges each with radius of curvature of at least 5 mm, and the end edge of the marked corner part (1a) is provided substantially with a maximum radius of curvature or a minimum radius of curvature.

Description

technical field [0001] The present invention relates to a thermosensitive recording sheet using a color reaction of a leuco dye and a developer, and a pack (packaging body of a thermosensitive recording sheet bundle) containing the thermosensitive recording sheet bundle. Background technique [0002] Thermosensitive recording sheets that use the color reaction of a leuco dye and a color developer are relatively cheap, and the recording equipment corresponding to this thermal recording sheet is compact and easy to maintain, so it has been used as a fax recording medium or a word processor and a printing recording medium for computers. has been widely applied. [0003] Furthermore, recently, as an alternative recording medium for medical image recording typified by medical X-ray radiography, the silver salt film has been used as a heat-sensitive recording sheet excellent in transparency and recording quality. [0004] As a conventional silver salt film for medical image recor...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B41M5/28B41M5/30B65D83/08
Inventor 秦由美城户博幸野岛将晴
Owner OJI PAPER CO LTD
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