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A pearlescent printing material

A technology of printing materials and pearlescent pigments, which is applied in printing, protein coating, coating, etc., can solve the problems of particle aggregation and pearlescent effect not obvious, product appearance performance is difficult to control, and pearlescent powder distribution is uneven, etc., to achieve image High color reproduction, good printing fastness, and obvious pearlescent effect

Active Publication Date: 2020-10-16
乐凯胶片股份有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

This patented technology is only applicable to the base paper layer with black patterns. The preparation process requires two coatings and two dryings, which has certain limitations and complexity.
[0007] The above technical solution can indeed produce pearlescent paper with excellent performance, but the preparation process is complicated and the cost is high. The apparent performance of the same batch of products is not easy to control, which is not conducive to workshop production; In the production process, it is prone to disadvantages such as uneven distribution of pearl powder, particle aggregation and ineffective pearl effect

Method used

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  • A pearlescent printing material
  • A pearlescent printing material

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Experimental program
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Effect test

preparation example Construction

[0039] The preparation steps of the pearlescent printing material of the present invention are as follows:

[0040] a) According to the weight ratio of water-based wax emulsion and flake pearlescent pigment is 1:5~1:20, add flake pearlescent pigment into water-based wax emulsion, add deionized water to obtain the mixture, stir at low speed and normal temperature, and take samples for centrifugal drying Finally, the surface energy of flake pearlescent pigments is tested by Washburn ≤ 45mJ / m 2 , the reaction is terminated. The mixture is centrifuged at a rotational speed of 800r / min to 1000r / min to obtain a precipitate, which is taken out and washed with deionized water, then centrifuged and dried to obtain a flaky pearlescent pigment coated with an aqueous wax emulsion.

[0041] b) According to the formula of the coating solution, add the flaky pearlescent pigment emulsion coated with the anionic emulsion, water-soluble resin and water-based wax emulsion into the container, an...

Embodiment 1

[0046] (1) Take 66.7g of paraffin wax emulsion (solid content 30%) and put it into a container, add 100g of silver pearl powder (particle size 5μm~20μm) while stirring, add deionized water to make the total amount of the mixture reach 400g, and put it under normal temperature Stir for 3 hours at a rotating speed, centrifuge at a rotating speed of 800r / min to 1000r / min for 20 minutes to obtain a precipitate, take out the precipitate and wash it with deionized water, then continue to centrifuge for 5 minutes, take it out and dry it, and obtain a sheet-shaped wax coated with water-based wax emulsion Pearlescent pigment, the surface energy is tested by the Washburn indirect method, and the test surface energy is 40mJ / m 2 .

[0047] (2) Amino-modified silicone anionic emulsion 30g (solid content 50%), polyvinyl alcohol (polymerization degree 1700, hydrolysis degree 88% concentration 10%) 50g and paraffin emulsion coated pearl powder particles 60g are added in the container, Stir e...

Embodiment 2

[0050] (1) Get 18g polyethylene wax emulsion (solid content 40%) and put into container, add 72.8g golden pearlescent powder (particle diameter 10 μm~60 μm) while stirring, add deionized water to make the total amount of mixture reach 400g, in Stir at room temperature and low speed for 2 hours, centrifuge at a speed of 800r / min to 1000r / min for 20 minutes to obtain a precipitate, take out the precipitate and wash it with deionized water, then continue to centrifuge for 5 minutes, take it out and dry it, and get a water-based wax emulsion coating The flaky pearlescent pigment, with the Washburn indirect method to test the surface energy, the test surface energy is 45mJ / m 2 .

[0051] (2) Add 20 g of amino-modified silicone anionic emulsion (solid content 50%), 40 g of gelatin solution with a concentration of 50% and 40 g of pearl powder particles coated with polyethylene wax emulsion into the container, stir evenly, and then add surface active Add 18.5g of antistatic agent, 1....

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Abstract

The present invention provides a pearlescent printing material. The printing material comprises a supporting body and an ink receiving layer located on one or two sides of the supporting body, the inkreceiving layer is formed by coating of a coating liquid and drying, and the coating liquid contains a flaky pearlescent pigment coated by a water-based wax emulsion. According to the pearlescent printing material provided by the invention, the flaky pearlescent pigment coated by the water-based wax emulsion is not easy to aggregate and precipitate in the coating liquid, and the pearlescent printing material has an obvious pearlescent effect.

Description

technical field [0001] The invention relates to a liquid ink printing material, in particular to a pearlescent printing material suitable for digital fast printing. [0002] technical background [0003] With the development of printing technology, digital printing technology has become a printing technology in the current mainstream development. Under such an opportunity, liquid electronic ink came into being. Compared with traditional inks, the particles of liquid electronic inks are small, and can achieve higher resolution and smoothness during printing, and strengthen the sharpening of image edges, so the quality of printed images can be comparable to that of traditional inks, or even exceed traditional ink. The process flow of digital printing is that the charger assembly uniformly charges the imaging plate, the laser head discharges on the imaging plate according to the data after RIP, and generates an electrostatic latent image, and then the ink unit generates a color...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B41M5/50C09D5/36C09D129/04C09D189/00C09D133/04
CPCB41M5/50C09D5/36C09D129/04C09D133/04C09D189/00C08L83/08C08K9/10C08K3/34C08L33/04
Inventor 李孟倩盖树人张丽惠苏腾龙彭春宁王大庆柳青
Owner 乐凯胶片股份有限公司
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