Composite water-absorbing heat-sensitive paper and preparation method thereof

A heat-sensitive paper and water-absorbing layer technology, which is applied in papermaking, paper coating, water repellent addition, etc., can solve the problems of late start and small scale of heat-sensitive paper production, achieve good protection and stability, less pollution, and prevent heat effect of influence

Inactive Publication Date: 2016-09-28
GUANGDONG SONGYANG RECYCLE RESOURCES
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The production of thermal paper in my country started late, and the current scale is relatively small. Many application fields have not yet been developed. It is necessary to actively promote the development of thermal paper, so that thermal paper develops in the direction of high performance, low cost, environmental protection and low carbon.

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0019] A composite water-absorbing thermal paper, comprising a thermal coating, a substrate and a protective layer. The thermal coating is arranged on the upper end of the substrate, the protective layer is arranged on the upper end of the thermal coating, and the protective layer comprises ultraviolet A thermally conductive silica gel layer is arranged between the heat-sensitive coating and the protective layer, and a water-absorbing layer is arranged at the bottom of the substrate.

[0020] The water absorption layer adopts activated carbon film material, and the thickness of the water absorption layer is 15 μm.

[0021] Paper with a thickness of 50 μm is used as the substrate.

[0022] The thickness of the thermally conductive silica gel is 1 μm,

[0023] The formulation of the heat-sensitive coating is as follows: 10 parts of filler, 1 part of polyvinylpyrrolidone, 6 parts of adhesive, 10 parts of color developer, 10 parts of sensitizer, and 2 parts of solubilizer.

[0024] The adh...

Embodiment 2

[0032] A composite water-absorbing thermal paper, comprising a thermal coating, a substrate and a protective layer. The thermal coating is arranged on the upper end of the substrate, the protective layer is arranged on the upper end of the thermal coating, and the protective layer comprises ultraviolet A thermally conductive silica gel layer is arranged between the heat-sensitive coating and the protective layer, and a water-absorbing layer is arranged at the bottom of the substrate.

[0033] The water absorption layer adopts activated carbon film material, and the thickness of the water absorption layer is 80 μm.

[0034] Paper with a thickness of 200 μm is used as the substrate.

[0035] The thickness of the thermally conductive silica gel is 10 μm,

[0036] The formulation of the heat-sensitive coating is as follows: 15 parts of filler, 3 parts of polyvinylpyrrolidone, 9 parts of adhesive, 14 parts of color developer, 12 parts of sensitizer, and 4 parts of solubilizer.

[0037] The ...

Embodiment 3

[0045] A composite water-absorbing thermal paper, comprising a thermal coating, a substrate and a protective layer. The thermal coating is arranged on the upper end of the substrate, the protective layer is arranged on the upper end of the thermal coating, and the protective layer comprises ultraviolet A thermally conductive silica gel layer is arranged between the heat-sensitive coating and the protective layer, and a water-absorbing layer is arranged at the bottom of the substrate.

[0046] The water absorption layer adopts activated carbon film material, and the thickness of the water absorption layer is 50 μm.

[0047] Paper with a thickness of 130 μm is used as the substrate.

[0048] The thickness of the thermally conductive silica gel is 5 μm,

[0049] The formula of the heat-sensitive coating is as follows: 13 parts of filler, 2 parts of polyvinylpyrrolidone, 7 parts of adhesive, 12 parts of color developer, 11 parts of sensitizer, and 3 parts of solubilizer.

[0050] The adhes...

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Abstract

The invention discloses a composite water-absorbing heat-sensitive paper, which comprises a heat-sensitive coating, a base material and a protective layer, the heat-sensitive coating is arranged on the upper end of the base material, and the protective layer is arranged on the upper end of the heat-sensitive coating. The protection layer includes an ultraviolet layer and a waterproof layer, a heat-conducting silica gel layer is arranged between the heat-sensitive coating and the protection layer, a water-absorbing layer is arranged at the bottom of the substrate, and a preparation method of the material is provided. The heat-sensitive paper of the invention adopts a heat-sensitive coating with a composite structure and has a good isolation effect, and is provided with a water-absorbing layer inside to have a good water-absorbing effect, and simultaneously provides a preparation method, which is simple, quick, and less polluting.

Description

Technical field [0001] The invention belongs to the field of polymer materials, and specifically relates to a composite water-absorbing thermal paper and a preparation method thereof. Background technique [0002] With the rapid development of social economy and science and technology, thermal paper has increasingly shown a wide range of uses and an important market position due to its excellent performance. It is necessary to continuously develop new varieties to meet the needs of different application fields and expand the thermal paper Consumption. At the same time, the rapid rise of various emerging industries has provided more new opportunities for the application of thermal paper. The production of thermal paper in my country started late, and the current scale is relatively small, and many application fields have not been explored. It is necessary to actively promote the development of thermal paper in the direction of high performance, low cost, environmental protection ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): D21H19/56D21H19/58D21H19/62D21H19/64D21H19/84D21H21/16
CPCD21H19/56D21H19/58D21H19/62D21H19/64D21H19/84D21H21/16
Inventor 王壮鹏王林伟
Owner GUANGDONG SONGYANG RECYCLE RESOURCES
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