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Thermal sublimation ink based on disperse black dye compounding, and preparation method thereof

A thermal sublimation and disperse black technology, applied in dyeing, ink, pigment slurry, etc., can solve the problems of unusable application, easy wrinkling of printing paper, etc., and achieve the effect of strong coloring, high transfer rate and high color fastness

Inactive Publication Date: 2017-09-05
ANHUI ZHENGJIE HIGH TECH MATERIALS CO LTD BY SHARE
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Water-based dye-sublimation ink has the advantages of environmental protection, the machine does not need a ventilation device, but the disadvantage is that the printing paper of water-based ink is easy to wrinkle. In addition, water-based ink is mainly used in printing equipment with EPSON nozzles, and cannot be used in large-scale digital printing with XAAR, SPECTRA and other nozzles. printing machine

Method used

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  • Thermal sublimation ink based on disperse black dye compounding, and preparation method thereof
  • Thermal sublimation ink based on disperse black dye compounding, and preparation method thereof
  • Thermal sublimation ink based on disperse black dye compounding, and preparation method thereof

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preparation example Construction

[0025] Another object of the present invention is to provide a kind of preparation method based on the thermal sublimation ink of compound disperse black dye, it comprises the following steps: (a) add the water of formula quantity, dispersant, solvent and surfactant to container successively agent, carry out shear dispersion; then continue to add the dyestuff of formula quantity in described container, carry out stirring dispersion; (b) use the zirconia beads of different particle diameters to grind the product of step (a), the zirconia beads The particle size is changed from large to small; (c) add water of the same quality to the product of step (b), then centrifuge to remove the large particle residue, filter to obtain the color paste; (d) mix the color paste with wetting Agent, leveling agent, solvent and water can be prepared in proportion to make sublimation ink.

[0026] In the step (b), zirconia beads of 0.6-0.8 mm, 0.25-0.35 mm and 0.1-0.2 mm are used for grinding in ...

Embodiment 1-12、 comparative example 1-3

[0029] Embodiments 1-12 and Comparative Examples 1-3 respectively provide a sublimation ink based on a compounded disperse black dye. In order to compare the influence of the color paste on its performance during preparation, the following fixed mass ratios are used for preparation, specifically: Color paste 20%, wetting agent 5% (TOGO260), leveling agent 5% (DC-401LS), water 50% and solvent 20%, that is, color paste 200g, TOGO26050g, DC-401LS 50g, water 500g and solvent 200g (the solvents used before and after remain consistent); and the composition of the color paste is as shown in table 1; its specific preparation method can be conventional, and can refer to the Chinese invention patent that the patent number is 201310270976.6, specifically: (1) room temperature ( At 20°C), mix the disperse dye and dispersant according to the formula ratio, use zirconium beads with a diameter of 0.25-0.35mm in a sand mill at a speed of 2200-2800r / min, and grind and disperse for 24 hours to o...

Embodiment 13

[0038] The present embodiment provides a kind of preparation method that is used for the preparation of the high stability color paste of sublimation ink, and it comprises the following steps:

[0039] (a) Add water, dispersant, solvent and surfactant to the container successively according to the component content in Example 12, and carry out shear dispersion; then continue to add dyes to the container, and stir to make it evenly dispersed;

[0040] (b) successively use zirconia beads of 0.6-0.8mm, 0.25-0.35mm and 0.1-0.2mm to grind the products of step (a) for 0.5-5 hours respectively, so that the particle diameter of the dye particles is D90≤200nm, D80≤ 150nm and D75≤100nm;

[0041] (c) in the product of step (b) (the dyestuff solid content of product is about 20%), add the water of its same quality, centrifuge then and remove large particle residue, use three grades of in-line filters to filter, filter to obtain color paste ( Solid content is reduced to about 10%); Finall...

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Abstract

The present invention relates to a thermal sublimation ink based on disperse black dye compounding, and a preparation method thereof, wherein the thermal sublimation ink comprises, by mass, 25-55% of a pigment paste, 1-10% of a wetting agent, 1-10% of a leveling agent, 20-45% of water, and 5-25% of a solvent, wherein the pigment paste comprises, by weight, 20-30 parts of a disperse black dye, 25-35 parts of a solvent, 40-70 parts of water, 0.5-2 parts of a surfactant, and 5-10 parts of a dispersant, and the surfactant is ligninsulfonate and has a sulfonation degree of 1.5-2.0 mmol / g. According to the present invention, the specific amount of the disperse black dye, the solvent, the water, the surfactant and the dispersant are compounded to form the pigment paste, and the sulfonation degree of the ligninsulfonate is creatively controlled so as to control the charge balance after the combination of the ligninsulfonate and the dye, such that the dye in the thermal sublimation ink can be stably dispersed in the case of the small particle size, and the advantages of high coloring rate, strong coloring, high color fastness and high transfer rate can be provided during the use.

Description

technical field [0001] The invention belongs to the field of thermal sublimation ink, and in particular relates to a thermal sublimation ink based on a compounded disperse black dye with high coloring rate, coloring rate and color fastness and a preparation method thereof. Background technique [0002] With the rapid development of printing technology, the wide application of nano-grinding technology, the design and customization of personalized clothing and the investment of new digital printing machinery and equipment, digital textile ink has also achieved unprecedented development. With high efficiency and flexible operation, it is applied to the customization of personalized products, such as cups, crystals, T-shirts, etc. with various patterns transferred. [0003] Digital printing by thermal sublimation is prepared by using disperse dyes as colorants and other chemical additives and water (solvent). US Patent No. 7237886 discloses a sublimation digital printing ink, w...

Claims

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Application Information

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IPC IPC(8): C09D11/328C09D17/00D06P1/16D06P5/28D06P1/46
CPCC09D11/328C09D17/00D06P1/16D06P1/46D06P5/004
Inventor 王艳艳徐正华
Owner ANHUI ZHENGJIE HIGH TECH MATERIALS CO LTD BY SHARE
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