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Bottom-coating-free high-protective-performance thermo-sensitive paper and making method thereof

A high-protection, thermal paper technology, applied in the field of papermaking, can solve problems such as increased processes and increased energy consumption, and achieve the effects of reducing consumption, saving costs, and reducing procedures

Inactive Publication Date: 2015-12-30
GOLD HUASHENG PAPER SUZHOU IND PARK
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] Compared with ordinary thermal paper with only base coat and top coat, the three-proof paper coating process must be coated on the base paper at least three times, which not only increases the process, but also increases energy consumption.

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0037] The color developer solution was prepared as follows: 38 parts of 2,4 diphenylsulfone phenol and 3.5 parts of polyvinyl alcohol were mixed and prepared to a concentration of 38%, and the color developer mixed solution was ground to 0.9 micron in a wet grinder.

[0038] A sensitizer solution was prepared: 38 parts of 1,2-diphenoxyethane and 3.5 parts of polyvinyl alcohol were mixed and prepared to a concentration of 38%, and ground into a sensitizer mixed solution of 1 micron in a wet grinder.

[0039] Prepare the leuco dye solution as follows: 38 parts of 2-anilino-6-dibutylamino-3-methyl-fluorane, 3.5 parts of polyvinyl alcohol, mixed and prepared to a concentration of 38%, and ground to 0.7 microns in a wet grinder colorless dye mixture.

[0040] Preparation of top coat paint: Calcined kaolin and acrylic plastic pigment are mixed 1:1, the addition amount is 25% of the total amount, the addition amount of polyvinyl alcohol is 8% of the total amount, and the addition am...

Embodiment 2

[0045] The developer solution was prepared as follows: 40 parts of 3,3'-diallyl-4,4'-sulfonylphenol, 4 parts of polyvinyl alcohol, mixed and prepared to a concentration of 40%, and ground to 1.0 micron in a wet grinder color developer mixture.

[0046] A sensitizer solution was prepared: 40 parts of 1,2-di-m-tolyloxyethane and 4 parts of polyvinyl alcohol were mixed and prepared to a concentration of 40%, and ground into a sensitizer mixed solution of 1.0 micron in a wet grinder.

[0047]Prepare the leuco dye solution as follows: 40 parts of 2-(2-4-xylanilino)-3-methyl-6-diethylaminofluorane, 4 parts of polyvinyl alcohol, mixed and prepared to 40% concentration, in wet Grind the leuco dye mixture to 0.7 microns in a grinder.

[0048] Preparation of top coat paint: natural kaolin and aluminum hydroxide are mixed 1:1, the addition amount is 23% of the total amount, the addition amount of phenylacrylic acid latex is 10% of the total amount, and the addition amount of styrene-but...

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PUM

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Abstract

The invention discloses bottom-coating-free high-protective-performance thermo-sensitive paper. The high-protective-performance thermo-sensitive paper comprises a body paper layer, a face coating layer and a protective layer, wherein the face coating layer and the protective layer are arranged on the upper face of the body paper layer at a time in a coated mode. Compared with existing three-proofing thermo-sensitive paper, the bottom-coating-free high-protective-performance thermo-sensitive paper has the advantages that a coating working procedure is omitted, one coating layer is omitted, energy consumption is reduced, cost is saved, and environment friendliness is achieved; in addition, overall performance is excellent, good moisture resistance, good waterproof performance and good oil resistance are achieved, and storage performance meets the quality requirement.

Description

technical field [0001] The invention relates to the technical field of papermaking, in particular to a primer-free thermal paper with high protective performance. Background technique [0002] In recent years, three-proof thermal paper with high protective performance has been widely used in label purposes. Among them, it can include two categories: food labels and food labels, and generally requires at least water-resistant, oil-resistant, and plasticizer-resistant storage properties. The highly protective three-proof thermal paper is also used in the lottery field that requires high storage performance. [0003] Generally, three-proof thermal paper contains three coatings: base coat (or pre-coat, heat insulation layer), top coat (or heat-sensitive layer, color-developing layer), protective layer (or top coat) ). Among them, the base coat provides thermal insulation performance, the top coat provides color development performance, and the protective layer provides protec...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): D21H19/82D21H21/14D21H21/28D21H19/38D21H19/40D21H19/42D21H19/60D21H21/06D21H19/54D21H19/58
Inventor 李奕廷陈汉彬李娟李吉维
Owner GOLD HUASHENG PAPER SUZHOU IND PARK
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