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High temperature resistant thermosensitive paper

A warm, high-resistance technology

Active Publication Date: 2011-10-05
HENAN JIANGHE PAPER +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] The technical problem to be solved by the present invention is to overcome the shortcomings of the existing thermal paper that is not resistant to high temperature, and provide a kind of high temperature resistant thermal paper

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0017] (1) The preparation formula of pre-coating and the preparation method of pre-coating:

[0018] 10Kg of styrene-butadiene latex, 30Kg of calcium carbonate, 30Kg of calcined soil, 20Kg of acrylic hollow ball resin, 5Kg of lubricant, and 5Kg of oxidized starch are mixed under high-speed stirring to form a coating solution with a solid content of 40-50%. Coat it on the thermal base paper with a knife coater, the coating amount is 7~9g / m 2 .

[0019] (2) The preparation formula of the chromogenic layer and the preparation method of the chromogenic layer:

[0020] A component: oxidant: 4,4'-dihydroxydiphenyl sulfone 10Kg, sensitizer: 2-naphthol benzyl ether 15Kg, adhesive: polyvinyl alcohol 5Kg, lubricant: zinc stearate 8Kg, calcined 15Kg of soil is mixed under high-speed stirring to form a mixed solution with a solid content of 30% to 40%, and ground to a particle size of 2 to 5 microns in a bedroom sand mill.

[0021] Component B: Leuco dye: 2-(2-4-xylanilino)-3-methyl-6...

Embodiment 2

[0027] (1) The preparation formula of pre-coating and the preparation method of pre-coating:

[0028] 10Kg of styrene-butadiene latex, 30Kg of calcium carbonate, 30Kg of calcined soil, 20Kg of acrylic hollow ball resin, 5Kg of lubricant, and 5Kg of oxidized starch are mixed under high-speed stirring to form a coating solution with a solid content of 40-50%. Coat it on the thermal base paper with a knife coater, the coating amount is 7~9g / m 2 .

[0029] (2) The preparation formula of the chromogenic layer and the preparation method of the chromogenic layer:

[0030] A component: oxidant: 2,4'-dihydroxydiphenyl sulfone 15Kg, sensitizer: β-naphthol benzyl ether 12Kg, adhesive: acrylic latex 12Kg, lubricant: paraffin 8Kg, calcined soil 12Kg, in Mix under high-speed stirring to form a mixed solution with a solid content of 30% to 40%, and grind it to a particle size of 2 to 5 microns in a bedroom sand mill.

[0031] Component B: Leuco dye: 2-(2-4-xylanilino)-3-methyl-6-diethylam...

Embodiment 3

[0037] (1) The preparation formula of pre-coating and the preparation method of pre-coating:

[0038] 10Kg of styrene-butadiene latex, 30Kg of calcium carbonate, 30Kg of calcined soil, 20Kg of acrylic hollow ball resin, 5Kg of lubricant, and 5Kg of oxidized starch are mixed under high-speed stirring to form a coating solution with a solid content of 40-50%. Coat it on the thermal base paper with a knife coater, the coating amount is 7~9g / m 2 .

[0039] (2) The preparation formula of the chromogenic layer and the preparation method of the chromogenic layer:

[0040] A component: oxidant: 2,4'-dihydroxydiphenyl sulfone 10Kg, sensitizer: 2-naphthol benzyl ether 18Kg, adhesive: acrylic latex 15Kg, lubricant: paraffin 10Kg, calcined soil 10Kg, at high speed Mix under stirring to form a mixed solution with a solid content of 30% to 40%, and grind it to a particle size of 2 to 5 microns in a bedroom sand mill.

[0041] Component B: Leuco dye: 2-(2-4-xylanilino)-3-methyl-6-diethyla...

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Abstract

Disclosed is high temperature resistant thermosensitive paper, a precoating is applied on the original thermosensitive paper; hollow ball resin is added in the precoating paint, a chromogenic layer is applied on the paper with the precoating; and a protective layer is applied on the paper with the chromogenic layer. The chromogenic layer comprises leuco dye, oxidant, sensitizer, lubricant, adhesive, filling calcining soil and anti-aging preparation. The protective layer is acrylamide and epichlorohydrin. In the novel thermosensitive paper process, color development occurs at 180 DEG C, and the bottom color occurs at 150 DEG C so as to solve the problem that common thermosensitive paper does not resist high temperature.

Description

technical field [0001] The invention relates to a heat sensitive paper, in particular to a high temperature resistant heat sensitive paper. Background technique [0002] Thermal paper is widely used in logistics, labels, cooked food in supermarkets, etc. Some fields require thermal paper to have high temperature resistance, but currently domestically produced thermal paper has reached a high color density at 90 degrees Celsius, and Under the condition of 60 degrees Celsius, there is already a background color, and the barcode printed on thermal paper will have color at high temperature, resulting in unclear handwriting, barcode scanners and other shortcomings, which do not have the conditions for high temperature resistance. Contents of the invention [0003] The technical problem to be solved by the present invention is to overcome the shortcoming that the existing heat-sensitive paper is not resistant to high temperature, and provide a high-temperature-resistant heat-sen...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B41M5/42B41M5/30B41M5/337
Inventor 姜丰伟刘铸红曾云胡年喜
Owner HENAN JIANGHE PAPER
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