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Preparation method of anti-sublimation transfer printing hot melt powder

A technology of hot-melt powder and transfer printing, which is applied in the direction of transferring ink from originals, etc., can solve the problems of poor transfer effect of hot-melt powder, and achieve the effect of avoiding surface discoloration, wide application range, and improving the quality of transfer patterns.

Pending Publication Date: 2020-10-30
泉州溢锐数码机械科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] The invention provides a preparation method of anti-sublimation transfer hot-melt powder to overcome the problem of poor transfer printing effect of the existing hot-melt powder

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment approach 1

[0014] The preparation method of anti-sublimation transfer hot-melt powder, the preparation of transfer hot-melt powder comprises the following steps:

[0015] (1) Add activated carbon powder to TPU hot-melt powder, wherein the mass fraction of activated carbon powder is 3%, and the mass fraction of TPU hot-melt powder is 97%. Stir the activated carbon powder and TPU hot-melt powder evenly to obtain hot-melt powder ;

[0016] (2) After the hot-melt powder stirred in (1) is granulated into soft granules through the granulator for the second time;

[0017] (3) Carry out freezing treatment on the soft body grains, freeze until the soft body grains harden, and then grind them into powder through a mill.

[0018] The particle size of the above-mentioned TPU hot-melt powder is 160 mesh.

[0019] The freezing treatment temperature in the above step (3) is -10°C.

[0020] The hot-melt powder of the present invention is added to the TPU hot-melt powder by activated carbon powder, st...

Embodiment approach 2

[0022] The preparation method of anti-sublimation transfer hot-melt powder, the preparation of transfer hot-melt powder comprises the following steps:

[0023] (1) Add activated carbon powder to TPU hot-melt powder, wherein the mass fraction of activated carbon powder is 30%, and the mass fraction of TPU hot-melt powder is 70%. Stir the activated carbon powder and TPU hot-melt powder evenly to obtain hot-melt powder ;

[0024] (2) After the hot-melt powder stirred in (1) is granulated into soft granules through the granulator for the second time;

[0025] (3) Carry out freezing treatment on the soft body grains, freeze until the soft body grains harden, and then grind them into powder through a mill.

[0026] The particle size of the above-mentioned TPU hot-melt powder is 250 mesh.

[0027] The freezing treatment temperature in the above step (3) is -5°C.

Embodiment approach 3

[0029] The preparation method of anti-sublimation transfer hot-melt powder, the preparation of transfer hot-melt powder comprises the following steps:

[0030] (1) Add activated carbon powder to TPU hot-melt powder, wherein the mass fraction of activated carbon powder is 20%, the above-mentioned TPU hot-melt powder accounts for 80% by mass, and the activated carbon powder and TPU hot-melt powder are stirred evenly to obtain hot-melt powder;

[0031] (2) After the hot-melt powder stirred in (1) is granulated into soft granules through the granulator for the second time;

[0032] (3) Carry out freezing treatment on the soft body grains, freeze until the soft body grains harden, and then grind them into powder through a mill.

[0033] The above-mentioned activated carbon powder accounts for 20% by mass, and the above-mentioned TPU hot-melt powder accounts for 80% by mass.

[0034] The particle size of the above-mentioned TPU hot-melt powder is 200 mesh.

[0035] The freezing tr...

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Abstract

The invention relates to a preparation method of anti-sublimation transfer printing hot melt powder. The method comprises: adding the activated carbon powder into TPU hot melt powder, wherein the massfraction ratio of the activated carbon powder is 3%-30%, evenly stirring the activated carbon powder and the TPU hot melt powder to obtain hot melt powder, granulating the stirred hot melt powder toobtain soft particles for the second time through a granulator, freezing the soft particles until the soft particles become hard, then grinding the soft particles into powder through a flour mill, adding the activated carbon powder into the TPU hot melt powder, carrying stirring for mixing, performing secondary granulation to form soft granules, freezing and grinding into powder so that effectiveprevention of pigment migration is realized, the color or dye of an object to be transferred is prevented from being migrated to the surface of the coating transferred by the transfer film, the surface color change caused by pollution to the surface of a transferred coating due to pigment migration is effectively avoided, the quality of transferred patterns is greatly improved, and the transfer printing ink is suitable for transfer printing. The preparation method is suitable for water-based transfer printing, oily pyrography, leather transfer printing, cloth transfer printing, plastics, bamboos and the like, and is wide in application range.

Description

technical field [0001] The invention relates to the technical field of transfer printing materials, in particular to a preparation method of an anti-sublimation transfer hot-melt powder. Background technique [0002] The thermal transfer process is to melt various patterns on the transfer film and transfer print them on the substrate by heating. The thermal transfer film includes a carrier layer, a release layer, a protective layer, an ink layer, and an adhesive layer, and the coatings are closely connected. At present, the hot-melt powder used in the thermal transfer printing process has poor transfer printing effect and cannot prevent the sublimation transfer of the pigment. The color or dye of the transferred object migrates to the surface of the transferred coating of the transfer film, which will cause poor transfer printing Contamination of the coated surface, resulting in surface discoloration. Contents of the invention [0003] The invention provides a preparatio...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C08L75/04C08K7/24B41M5/025
CPCB41M5/025C08K7/24C08L75/04
Inventor 黄锐强黄庭祥
Owner 泉州溢锐数码机械科技有限公司
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