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Bottom blue-developing thermosensitive label and preparation method thereof

A low-level, heat-sensitive technology, applied in the field of heat-sensitive labels, can solve problems affecting express transportation and delivery, monotonous visual effects, blurred writing, etc., and achieve the effect of not being easy to oxidize black spots, good dispersion, and easy to spray

Active Publication Date: 2019-10-25
GUANGDONG TENGEN IND GRP CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, the text on the heat-sensitive label used in the existing express delivery is basically black, the visual effect is relatively monotonous and boring, and during the express delivery process, it is easily affected by moisture, temperature, scratches, etc., resulting in blurred writing. Affecting express transportation and delivery

Method used

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  • Bottom blue-developing thermosensitive label and preparation method thereof
  • Bottom blue-developing thermosensitive label and preparation method thereof
  • Bottom blue-developing thermosensitive label and preparation method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0048] See figure 1 , a bottom layer 1 blue heat-sensitive label, comprising a bottom layer 1 and a dye layer 3 sequentially arranged from bottom to top, the bottom layer 1 is a carbon-free paper, and the dye layer 3 is made of a chromogenic dye; Color dye comprises the raw material of following weight portion:

[0049]

[0050] The colorless buffer color agent is γ-butyrolactone; the color developer is a blue color developer.

[0051] Described blue developing agent is dimethylaminobenzaldehyde.

[0052] The leveling agent A is a mixture of polydimethylsiloxane, isophorone and diacetone alcohol in a weight ratio of 2:2.5:1, and the defoamer A is made of polyoxyethylene polyoxygen A mixture of propylene pentaerythritol ether, polyoxyethylene polyoxypropanolamine ether and polyoxypropylene polyoxyethylene glyceryl ether in a weight ratio of 1:2:4, and the solvent A is ethanol.

[0053] The chromogenic dye is prepared by the following steps: adding various materials into s...

Embodiment 2

[0061] A blue-displaying thermosensitive label with a bottom layer 1, comprising a bottom layer 1 and a dye layer 3 sequentially arranged from bottom to top, the bottom layer 1 is carbon-free paper, and the dye layer 3 is made of a color-developing dye.

[0062] Described chromogenic dye comprises the raw material of following weight portion:

[0063]

[0064] The colorless buffer color agent is 2-carboxy-4'-diethylamino-2'-hydroxyl-benzophenone; the color developer is a blue color developer.

[0065] The blue developing agent is aniline phthalate.

[0066] The leveling agent A is a mixture of polydimethylsiloxane, isophorone and diacetone alcohol in a weight ratio of 3:2.5:1, and the defoamer A is made of polyoxyethylene polyoxygen A mixture of propylene pentaerythritol ether, polyoxyethylene polyoxypropanolamine ether and polyoxypropylene polyoxyethylene glyceryl ether in a weight ratio of 1:1.5:4, and the solvent A is acetone.

[0067] The chromogenic dye is prepared b...

Embodiment 3

[0075] A blue-displaying thermosensitive label with a bottom layer 1, comprising a bottom layer 1 and a dye layer 3 sequentially arranged from bottom to top, the bottom layer 1 is carbon-free paper, and the dye layer 3 is made of a color-developing dye.

[0076] Described chromogenic dye comprises the raw material of following weight portion:

[0077]

[0078]

[0079] The colorless buffer color agent is 2-hydroxyl-4-(N-ethyl-N-isobutyl)amino-2'-carboxybenzophenone; the color developer is a black developer.

[0080] The black developing agent is 4-hydroxyl-4'-isopropoxydiphenyl sulfone.

[0081] The leveling agent A is a mixture of polydimethylsiloxane, isophorone and diacetone alcohol in a weight ratio of 4:2.5:1, and the defoamer A is made of polyoxyethylene polyoxygen A mixture of propylene pentaerythritol ether, polyoxyethylene polyoxypropanolamine ether and polyoxypropylene polyoxyethylene glyceryl ether in a weight ratio of 1:1:4, and the solvent A is benzene.

...

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Abstract

The invention relates to the technical field of thermosensitive labels, in particular to a bottom blue-developing thermosensitive label and a preparation method thereof. The bottom blue-developing thermosensitive label comprises a bottom layer and a dye layer which are sequentially arranged from bottom to top, wherein the bottom layer is carbon-source-free paper, and the dye layer is made of developing dye; the color development dye comprises the following raw materials in parts by weight: 25-30 parts of a colorless buffer toner, 10-15 parts of a color developing agent, 3-8 parts of a flattingagent A, 3-5 parts of a defoamer A, 2.5-3.0 parts of an aqueous polytetrafluoroethylene modified wax dispersion, and 30-35 parts of a solvent A. The dye layer of the bottom blue-developing thermosensitive label can change the color developing of the printed characters in a printing state of a thermosensitive printer, can improve the withered monotonous sense of only single black characters at present and can improve the color development effect. The preparation method of the bottom blue-developing thermosensitive label has the advantages of the simple operation, the easy control, the high production efficiency and the stable quality, and can be used for mass production.

Description

technical field [0001] The invention relates to the technical field of heat-sensitive labels, in particular to a heat-sensitive label with blue bottom layer and a preparation method thereof. Background technique [0002] Express electronic waybills have been fully popularized in China, with 60 million electronic waybills being used every day. The annual usage on "Double 11" exceeds 200 million per day. However, the text on the heat-sensitive label used in the existing express delivery is basically black, the visual effect is relatively monotonous and boring, and during the express delivery process, it is easily affected by moisture, temperature, scratches, etc., resulting in blurred writing. Affect the transportation and delivery of express delivery. Contents of the invention [0003] In order to overcome the shortcomings and deficiencies in the prior art, the object of the present invention is to provide a bottom-layer blue thermal label, the dye layer of the bottom blu...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G09F3/02B31D1/02
CPCB31D1/02G09F3/02G09F2003/0257
Inventor 周孝伟罗耀东陈楚鑫赵幼林梁磊邹晶晶
Owner GUANGDONG TENGEN IND GRP CO LTD
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