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Topcoat coating solution for high-glossiness ink-jet printing canvases and preparation method thereof

A technology of inkjet printing and surface coating, applied in the direction of coating, etc., can solve problems such as difficult to adapt to the development of the market, not bright colors, easy to leave marks, etc.

Inactive Publication Date: 2017-05-31
JIANGSU GEMEIGAO DEV CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] Because the ink-absorbing coating on the surface of swelling oil canvas is soluble in water, the drying speed after printing is slow, and it is easy to leave marks during the production process, and the screen will be damaged when it encounters water. At the same time, it is difficult to carry out protective production such as glazing. It is becoming more and more difficult to adapt to the development of the market
[0005] Sub-gloss waterproof oil canvas, although currently the largest amount used in the indoor market, because it uses micron-sized microporous silica as the ink-absorbing medium, the coating is matte, that is, opaque, poor in color rendering, and the color is not bright. Polishing treatment is required to achieve the real oil painting effect

Method used

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Examples

Experimental program
Comparison scheme
Effect test

specific Embodiment 1

[0024] A top coat liquid for high-gloss inkjet printing oil canvas, said top coat paint consists of the following components in parts by weight:

[0025] 18 parts of nano-alumina;

[0026] 1 part polyvinyl alcohol;

[0027] 0.5 parts of acid;

[0028] 10 parts of auxiliary solvent;

[0029] 0.1 part of defoamer;

[0030] 20 parts of water.

[0031] The nano-alumina has an initial particle size of less than 30 nanometers, and its crystal form is divided into α-Al 2 o 3 .

[0032] The polyvinyl alcohol, polyvinyl alcohol with a degree of polymerization ≥ 2400, the greater the degree of polymerization, the less the amount added, which can indirectly increase the amount of aluminum oxide, thereby improving the drying rate of ink absorption, and the degree of alcoholysis can be 88%.

[0033] The acid is nitric acid.

[0034] Described auxiliary solvent is isopropanol, n-butanol.

[0035] The defoamer is tributyl phosphate, emulsified silicone oil, and high-carbon alcohol f...

specific Embodiment 2

[0038] A top coat liquid for high-gloss inkjet printing oil canvas, said top coat paint consists of the following components in parts by weight:

[0039] 25 parts of nano-alumina;

[0040] 5 parts of polyvinyl alcohol;

[0041] 2 parts acid;

[0042] 20 parts of auxiliary solvent;

[0043] 0.2 part of defoamer;

[0044] 60 parts of water.

[0045] The nano-alumina has an initial particle size of less than 30 nanometers, and its crystal form is divided into γ-Al 2 o 3 .

[0046] The polyvinyl alcohol, polyvinyl alcohol with a degree of polymerization ≥ 2400, the greater the degree of polymerization, the less the amount added, which can indirectly increase the amount of aluminum oxide, thereby improving the drying rate of ink absorption, and the degree of alcoholysis can be 99%.

[0047] The acid is hydrochloric acid.

[0048] The co-solvent is ethanol, dimethylformamide.

[0049] The defoamer is polyoxyethylene polyoxypropylene pentaerythritol ether, polyoxyethylene po...

specific Embodiment 3

[0052] A top coat liquid for high-gloss inkjet printing oil canvas, the top coat paint is composed of the following components in parts by weight:

[0053] 23 parts of nano-alumina;

[0054] 3 parts of polyvinyl alcohol;

[0055] 1 part acid;

[0056] 13 parts of auxiliary solvent;

[0057] 0.17 part of defoamer;

[0058] 50 parts of water.

[0059] The nano-alumina has an initial particle size of less than 30 nanometers, and its crystal form is divided into γ-Al 2 o 3 .

[0060] The polyvinyl alcohol, polyvinyl alcohol with a degree of polymerization ≥ 2400, the greater the degree of polymerization, the less the amount added, which can indirectly increase the amount of aluminum oxide, thereby improving the drying rate of ink absorption, and the degree of alcoholysis can be 99%.

[0061] The acid is sulfuric acid.

[0062] The co-solvent is diethyl butyl ether acetate.

[0063] The defoamer is polyoxypropylene glyceryl ether, polyoxypropylene polyoxyethylene glyceryl ...

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PUM

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Abstract

The invention discloses a topcoat coating solution for high-glossiness ink-jet printing canvases. The topcoat coating solution for high-glossiness ink-jet printing canvases is composed of the following components in parts by weight: 18-25 parts of nano aluminum oxide, 1-5 parts of polyvinyl alcohol, 0.5-2 parts of acid, 10-20 parts of cosolvent, 0.1-0.2 part of defoaming agent and 20-60 parts of water. The preparation method comprises the following steps: proportionally dissolving the polyvinyl alcohol at 80-95 DEG C to obtain a 7-10% water solution for later use; and sequentially adding the acid, cosolvent, defoaming agent and aluminum oxide into the residual water, dispersing at high speed for 20-60 minutes to obtain a semitransparent water dispersion liquid, adding the polyvinyl alcohol solution, slowly stirring for 10-30 minutes, filtering, and defoaming to form the finished product. Compared with the swellable and matte waterproof canvases, the canvas produced according to the formula and technique overcomes the defects in the swellable canvas and matte waterproof canvas, and integrates the advantages of the two types of canvases.

Description

technical field [0001] The invention belongs to the technical field of new materials, and its application field is the field of digital ink-jet output media, in particular to a top coat liquid for high-gloss ink-jet printing oil canvas and a preparation method thereof. Background technique [0002] With the large-scale inkjet technology, rapid output and the maturity of digital reproduction technology of artworks, the domestic cultural product market is constantly developing, especially after the "80s and 90s" became the main force of consumption, the demand for oil painting art decorations is increasing. The bigger it is, the digital ink-jet oil painting has entered thousands of households as a new form of oil painting, and the ink-jet oil canvas has gradually developed as a new industry. [0003] At present, the oil canvases suitable for indoor use on the market are mainly swollen non-waterproof oil paintings and sub-gloss waterproof oil canvases. Swellable non-waterproof...

Claims

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Application Information

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IPC IPC(8): C09D129/04C09D7/12
CPCC08K2201/011C08L2205/025C08L2205/035C09D7/61C09D7/63C09D7/65C09D7/67C09D129/04C08L83/04C08L71/02C08K13/02C08K2003/2227C08K3/24C08K5/521
Inventor 陆建辉王玉丰
Owner JIANGSU GEMEIGAO DEV CO LTD