White ink pretreatment fluid as well as preparation method thereof and direct-injection digital printing process

A technology of pretreatment liquid and white ink, applied in dyeing method, textile and papermaking, etc., can solve the problems of insufficient covering power to meet people's consumer demand, reducing the adhesion of direct inkjet water of white paint, and insufficient inhibition, and achieve good Dispersion stability, sharp and clear lines, improved hiding power and adhesion

Active Publication Date: 2017-12-22
ZHUHAI HUACAI PRINTING SUPPLIES LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

At present, the existing dark textile pretreatment liquids on the market are applied to white paint direct-injection inks, and there are the following problems: these pre-treatment liquids have insufficient inhibitory effect on the penetration of white paint direct-injection inks

Method used

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  • White ink pretreatment fluid as well as preparation method thereof and direct-injection digital printing process
  • White ink pretreatment fluid as well as preparation method thereof and direct-injection digital printing process
  • White ink pretreatment fluid as well as preparation method thereof and direct-injection digital printing process

Examples

Experimental program
Comparison scheme
Effect test

Example Embodiment

[0037] The present invention also provides a preparation method of the pretreatment liquid as described above, which comprises the following steps: sequentially input deionized water, wetting defoamer, bactericide, drying inhibitor, and polyvalent alkaline earth metal salt into the material machine In the process, stir at 300~400r / min for 20~30min to make it evenly mixed; then add cationic colloidal silica, cationic or nonionic binder and cationic mordant in sequence, and stir at 400~500r / min for 20~ 30min to make it evenly mixed; after slowly adding the anti-bleeding agent while stirring at a rotating speed of 300~400r / min, stir for 30~40min to make it evenly mixed; use 300~500 mesh filter cloth to filter the mixed liquid after mixing. The pretreatment liquid is obtained.

[0038] The present invention also provides a direct-injection digital printing process using the above pretreatment liquid, which includes the following steps:

[0039] S1. Fill the prepared pretreatment liqui...

Example Embodiment

[0043] Example 1:

[0044] A white ink pretreatment liquid, which includes the following components in parts by mass:

[0045]

[0046]

[0047] The preparation method of the white ink pretreatment liquid is as follows: put the formula amount of deionized water, wetting defoamer, bactericide, drying inhibitor, and polyvalent alkaline earth metal salt into the material machine in sequence, and stir at 300r / min for 20min. It is evenly mixed; then add cationic colloidal silica, cationic or non-ionic binder and cationic mordant one by one, stir at 300r / min for 20min to make it evenly mixed; at 300r / min while stirring, slowly add the anti-corrosion agent. After the bleeding agent, stir for 30 minutes to make it evenly mixed; filter the mixed liquid with 300 mesh filter cloth to obtain the pretreatment liquid.

[0048] The specific steps of applying the pretreatment liquid prepared in this embodiment to direct-injection digital printing are as follows:

[0049] S1. Fill the prepared pretre...

Example Embodiment

[0053] Example 2:

[0054] A white ink pretreatment liquid, which includes the following components in parts by mass:

[0055]

[0056] The preparation method and the direct-injection digital printing process of this embodiment are similar to those of Embodiment 1, and will not be repeated here.

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PUM

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Abstract

The invention discloses white ink pretreatment fluid as well as a preparation method thereof and a direct-injection digital printing process, which belongs to the technical field of textile digital printing. The pretreatment fluid is prepared from the following components: 1 to 5 parts of cation colloidal silicon dioxide, 3 to 7 parts of adhesive, 2 to 6 parts of drying inhibitor, 3 to 8 parts of multivalence alkaline-earth metal salt, 3 to 8 parts of color bleeding prevention agent, 1 to 5 parts of cation mordant, 0.1 to 0.5 part of sterilizing agent, 0.1 to 0.5 part of wet defoaming agent, and 60 to 80 parts of deionized water. All raw materials are successively fed into a material machine and are respectively and uniformly stirred and filtered to obtain the white ink pretreatment fluid. The pretreatment fluid has good dispersion stability, is uniformly smeared when in use, is high in adhesive force, can prevent the seepage of the white paint direct-injection ink on the surface layer of a dark fabric, can also effectively improve the concealing capacity and adhesive force of the white paint direct-injection ink on the dark fabric, and can greatly enlarge the application range of the white paint direct-injection ink.

Description

technical field [0001] The invention relates to the technical field of textile digital printing, in particular to a white ink pretreatment liquid for white paint direct-injection ink, a preparation method thereof, and a direct-injection digital printing process. Background technique [0002] Inkjet printing is a new technology for textile printing and dyeing that integrates computer, information, new materials, fine chemicals and other multidisciplinary fields. It has the advantages of high printing precision, flexible batches, and no waste of dyes and auxiliaries. However, in the past, textile inkjet printing was mainly aimed at white fabrics. In recent years, with the increase in the printing volume of non-white fabrics, the demand for white paint direct-injection inks has also increased, and it has become one of the important colors in textile inkjet printing. . [0003] White paint direct-jet ink is printed directly on dark fabrics, and the ink will seep into the back o...

Claims

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Application Information

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IPC IPC(8): D06P1/673D06P1/52D06P1/613D06P1/653D06P1/66D06P1/44D06P5/30D06P1/48D06P1/651D06P1/642D06P1/62
CPCD06P1/445D06P1/48D06P1/5228D06P1/5242D06P1/525D06P1/6138D06P1/625D06P1/6426D06P1/65118D06P1/65125D06P1/65131D06P1/6533D06P1/66D06P1/6735D06P1/67383D06P5/30
Inventor 张定涛
Owner ZHUHAI HUACAI PRINTING SUPPLIES LTD
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