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Surfactant for uncoated thermal transfer ink, uncoated thermal transfer ink and preparation method of surfactant

A surfactant, thermal transfer technology, applied in dyeing, textile and papermaking, etc., can solve the problems of ink penetration into paper, transfer rate, unclear transfer, unclear printing pattern, etc., and achieve excellent digital printing effect. , the effect of reducing the amount of use and reducing the consumption of electric energy

Inactive Publication Date: 2015-07-08
珠海欣威科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The intermediate media printed by thermal sublimation or thermal transfer inks disclosed in these patents require a coating on the media to accept the ink. If this type of ink is directly printed on uncoated paper, the ink will seep into the paper and cause the transfer rate to decrease. Not high, or the printed pattern is not clear after transfer

Method used

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  • Surfactant for uncoated thermal transfer ink, uncoated thermal transfer ink and preparation method of surfactant
  • Surfactant for uncoated thermal transfer ink, uncoated thermal transfer ink and preparation method of surfactant
  • Surfactant for uncoated thermal transfer ink, uncoated thermal transfer ink and preparation method of surfactant

Examples

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preparation example Construction

[0046] The preparation method of described uncoated thermal transfer printing ink comprises the following steps:

[0047] a. First mix the organic solvent and water and stir to form an organic solution;

[0048] b. Surfactants are added to the organic solution, stirred for 30min to make it sufficiently uniform to form mixture A;

[0049] c. Add pH regulator, buffering agent, preservative, emulsifier, chelating agent to the mixture A, stir for 30min to make it fully uniform to form mixture B;

[0050] d. Add non-azo disperse dyes to the forming mixture B, stir for 2 hours to make it fully and uniformly form semi-finished thermal transfer printing ink;

[0051] e. Filter with a 1.0 μm filter membrane to obtain thermal transfer ink.

Embodiment 1

[0054] Mix and stir 10 parts of diethylene glycol, 5 parts of glycerin, 4 parts of polyethylene glycol, 5 parts of propylene glycol monobutyl ether, and 40 parts of water, then add 3 parts of DISPERBYK® 190 and 2 parts of BYK-348, and stir for 30 minutes to make it Mix well; add 0.4 part of pH regulator triethanolamine, 0.4 part of buffer EDTA salt, 0.2 part of preservative GXL, 0.2 part of emulsifier, 0.3 part of chelating agent, stir for 30 minutes to fully mix; add 30 parts of compound IV The color paste was stirred for 2 hours, and then filtered with a 1.0 μm filter membrane to obtain a yellow thermal transfer ink.

Embodiment 2

[0056] This example is roughly the same as Example 1, except that in this example, 30 parts of color paste containing compound IV was replaced with 30 parts of color paste containing compound I to prepare red thermal transfer printing ink.

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Abstract

The invention discloses and provides a surfactant for an uncoated thermal transfer ink, the uncoated thermal transfer ink and a preparation method of the surfactant. The surfactant for the uncoated thermal transfer ink is capable of reducing the cost of thermal transfer paper, reducing the usage amount of ink, and improving the heat transfer rate and the color concentration of the ink. The uncoated thermal transfer ink is prepared from the following raw materials in parts by weight: 20-40 parts of non-azo disperse dyes, 5-40 parts of an organic solvent, 1-10 parts of a surfactant, 0.05-1 part of a pH modifier, 0.05-1 part of a buffering agent, 0.01-0.3 part of a preservative, 0.1-1 part of an emulsifier, 0.05-1 part of a chelating agent and 20-50 parts of water; the surfactant is a polyoxyethylene polyoxypropylene copolymer; the preparation method of the uncoated thermal transfer ink comprises the following steps: firstly, stirring an organic solvent mixed with water; adding the surfactant, stirring for 30 minutes to be full and uniform; adding the pH modifier, the buffer agent, the preservative, the emulsifier and the chelating agent, stirring for 30 minutes to be full and uniform; adding the non-azo disperse dyes, stirring for 2 hours to be full and uniform; and filtering with 1.0micron of filter membrane, thus obtaining the thermal transfer ink.

Description

technical field [0001] The invention relates to a surfactant for uncoated thermal transfer ink, uncoated thermal transfer ink and a preparation method thereof. Background technique [0002] Uncoated thermal transfer ink is a kind of digital printing ink, and digital printing is a popular technology in recent years. Digital printing is input into the computer through various digital means such as scanning, digital photos, images or various digital patterns processed by the computer, and then processed by the computer color separation printing system, and then processed by a special RIP software , through its jet printing system, various special dyes are directly jet-printed onto various fabrics or other media, and after processing, various high-precision printing products required are obtained on various textile fabrics. [0003] Compared with traditional printing, digital printing technology has great advantages: the production process of digital printing greatly shortens t...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): D06P1/613D06P1/16D06P1/92D06P5/26
Inventor 袁大江邓卫明
Owner 珠海欣威科技有限公司
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