Thermal sublimation digit printing ink-jet writing ink and preparation method
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A digital printing, inkjet ink technology, applied in ink, dyeing, textile and papermaking, etc., to achieve bright colors, uniform particle size distribution, good dispersion stability
Inactive Publication Date: 2008-08-20
上海英威喷墨科技有限公司
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Problems solved by technology
In Chinese Patent Publication No. CN1311275A, a thermal transfer printing ink for color printers is disclosed, which contains a subl
Method used
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Examples
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Effect test
Embodiment 1
[0032] Preparation of magenta (M) ink
[0033] Formulation composition (weight percent)
[0034] Red disperse dye raw material (C.I. Disperse Red 60) 6%, Ethylene glycol butyl ether acetate 57%, Dipropylene glycol methyl ether 30%, Sodium lignosulfonate 6%, Sodium dodecylbenzene sulfonate 0.5%, BYK -88 (defoamer) 0.5%.
[0035] Preparation:
[0036] Mix the above components and fully stir in a high-speed mixer for 0.8 hours;
[0037] Use a high-pressure homogenizer (Shanghai Donghua GYB series homogenizer) to carry out high-pressure homogenization on the mixed solution for 2.5 hours, and test the particle size distribution of the disperse dye;
[0038] Filter with 2-micron and 0.5-micron membrane filters to remove impurities.
Embodiment 2
[0040] Preparation of cyan (C) ink
[0041] Formulation composition (weight percent)
[0042] Blue disperse dye raw material (C.I. Disperse Blue 60) 6%, ethylene glycol butyl ether acetate 50%, dipropylene glycol methyl ether 30%, N-methylpyrrolidone 7%, sodium lignosulfonate 6%, dodecane Sodium phenyl sulfonate 0.5%, BYK-88 (defoamer) 0.5%.
[0043] The preparation method is the same as in Example 1.
[0048] 2. The preparation method is the same as in Example 1.
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Abstract
The invention relates to a thermal sublimation digital printing ink-jet ink and a preparation method thereof; the weight percentages of ink components are: (1) disperse dye: 1 to 10 percent; (2) dispersant: 1 to 10 percent; (3) organic solvent: 60 to 90 percent; (4) surfactant: 1 to 5 percent; (5) wetting agent: 1 to 5 percent; (6) defoamer: 1 to 5 percent. The preparation method comprises: (1) the disperse dye, the dispersant, the organic solvent, the wetting agent and the deformer are mixed at normal temperature, and a mixed solution can be obtained by stirring the mixture for 0.5 to 1 hour; (2) the mixed solution is homogenized for 0.5 to 5 hours under a high pressure homogenizer, and the stable-dispersed ink, the average particle size of the dispersed dye of which is 100 to 300 nanometers can be obtained; (3) the ink of magenta (M), cyan (C), yellow (Y), black (K), light cyan (Lc) or light magenta (Lm) can be obtained after the ink is filtered by a 2 microns filtering film and a 0.45 micron filtering film. The particle size of the thermal sublimation digital printing ink-jet ink of the invention is even in distribution and good in disperse stability and can be applied on the large scale piezoelectric type digital printing machines of the nozzles of XAAR and SPECTRA, etc and printed on polyester fabrics; ink jetting is smooth without blocking the nozzles; the thermal sublimation digital printing ink-jet ink can be stored for a long time; the patterns printed by the ink of the invention is colorful in color and the thermal sublimation digital printing ink-jet ink is good in color fixation rate, washing fastness and solarization fastness, is simple in the operation of the production method and is environment-friendly.
Description
technical field [0001] The invention relates to an inkjet printing ink and its preparation, in particular to a textile digital printing disperse dye inkjet ink and its preparation method. Background technique [0002] In recent years, digital printing technology has become more and more widely used in the world, which is the product of the combination of computer technology and printing and dyeing industry. Due to the different nozzle principles of different types of machines, digital printing and dyeing inks are also selected differently. At present, digital printing and dyeing inks can be divided into water-based, oily and solvent-based according to the main components in the system; according to different colorants, they can be divided into pigments and dyes. There are two categories, and dyes are usually divided into disperse dyes, reactive dyes and acid dyes, among which disperse dyes are especially suitable for dyeing polyester and other fibers. [0003] Digital print...
Claims
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Application Information
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