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A kind of preparation method of high-gloss and weather-resistant water-based varnish protective varnish for wallpaper

A technology for protecting varnish and weather resistance, used in papermaking, paper coatings, textiles and papermaking, etc., can solve the problems of waterproof and moisture-proof, poor weather resistance, wall warping and falling off, reduced service life and aesthetics, etc., to achieve good gloss. , strong adhesion, excellent anti-permeability effect

Active Publication Date: 2020-11-27
洛阳尚德印刷材料有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Most of the existing water-based varnishes can generally only meet the friction resistance performance, and their waterproof, moisture-proof and weather resistance are poor. When applied to wallpaper, it may be due to the alkalinity of the wallpaper, moisture, thermal expansion and contraction of the wall, etc. Cause the wallpaper to warp and fall off, reducing the service life and aesthetics

Method used

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  • A kind of preparation method of high-gloss and weather-resistant water-based varnish protective varnish for wallpaper

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0025] A preparation method for high-gloss and weather-resistant water-based varnish protective varnish for wallpaper, comprising the following steps:

[0026] Step 1. Weigh fullerene and dissolve it completely in toluene to form solution A; weigh silver nitrate and dissolve it completely in acetonitrile to form solution B; wherein the concentration ratio of solution A to solution B is 1 : 4~5; According to the ratio of 1mL: 1mL: 0.5g, take solution A, solution B and citric acid for mixing in turn, put the mixed solution in an autoclave, react at 130°C for 10h, cool, pump filtered, and the filtrate was washed with absolute ethanol and dried to obtain modified fullerene; mixed and stirred with propylene glycol methyl ether and modified fullerene, and then heated in an argon atmosphere at 95°C for 2 hours , add acrylic acid monomer, and react at 100°C for 6h, cool down, and remove propylene glycol methyl ether under reduced pressure, and the final product is filtered, dried, and...

Embodiment 2

[0035] A preparation method for high-gloss and weather-resistant water-based varnish protective varnish for wallpaper, comprising the following steps:

[0036] Step 1. Weigh fullerene and dissolve it completely in toluene to form solution A; weigh silver nitrate and dissolve it completely in acetonitrile to form solution B; wherein the concentration ratio of solution A to solution B is 1 : 4~5; According to the ratio of 1mL: 1mL: 0.1g, take solution A, solution B and citric acid for mixing in turn, put the mixed solution in an autoclave, react at 130°C for 7h, cool, pump filtered, and the filtrate was washed with absolute ethanol and dried to obtain modified fullerene; mixed and stirred with propylene glycol methyl ether and modified fullerene, and then heated in an argon atmosphere at 80°C for 2 hours , add acrylic acid monomer, and react at 100°C for 5 hours, cool, and remove propylene glycol methyl ether under reduced pressure, and the final product is filtered, dried, and ...

Embodiment 3

[0041] A preparation method for high-gloss and weather-resistant water-based varnish protective varnish for wallpaper, comprising the following steps:

[0042] Step 1. Weigh fullerene and dissolve it completely in toluene to form solution A; weigh silver nitrate and dissolve it completely in acetonitrile to form solution B; wherein the concentration ratio of solution A to solution B is 1 : 4~5; According to the ratio of 1mL: 1mL: 0.3g, take solution A, solution B and citric acid for mixing in turn, put the mixed solution in an autoclave, react at 130°C for 8h, cool, pump filtered, and the filtrate was washed with absolute ethanol and dried to obtain modified fullerene; mixed and stirred with propylene glycol methyl ether and modified fullerene, and then heated in an argon atmosphere at 100°C for 1 h , add acrylic acid monomer, and react at 100°C for 6h, cool down, and remove propylene glycol methyl ether under reduced pressure, and the final product is filtered, dried, and gro...

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Abstract

The invention relates to a glossy weather-resistant water-based over-printing protection gloss varnish for a wallpaper and a preparation method thereof. The glossy weather-resistant water-based over-printing protection gloss varnish is prepared from the following raw materials in percentage by weight: 15 to 20 percent of modified acrylic resin, 5 to 20 percent of non-film-formation resin emulsion,15 to 20 percent of inorganic filler suspension liquid, 12 to 15 percent of acrylate copolymer emulsion, 0.5 to 1 percent of polyethylene wax emulsion, 25 to 30 percent of purified water, 2 to 3 percent of polypropylene glycol, 2 to 3 percent of nano-zinc oxide colloidal solution, 2 to 3 percent of water-based coalescing agent, 2 to 4 percent of triethanolamine, 0.4 to 0.7 percent of water-basedwetting leveling agent, 0.5 to 1 percent of cationic surfactant, 0.5 to 1 percent of antifoaming agent, and 0.1 to 0.3 percent of thickening agent. The over-printing varnish provided by the inventionhas excellent osmosis prevention, high adhesion, high transparency, better glossiness, and tarnish resistance, can remarkably help a product improve the scrubbing resistance, and can be used for preventing the occurrence of a phenomenon that golden and silver ink come off.

Description

technical field [0001] The invention relates to the technical field of printing and packaging, in particular to a preparation method of a high-gloss and weather-resistant water-based varnish protective varnish for wallpaper. Background technique [0002] In the ink printing industry, most of the printed paper needs overcoating protective varnish to improve the gloss of the paper and avoid color fading and scratching. At present, there are oily varnishes, alcohol-soluble varnishes and water-based varnishes on the market, but when oily varnishes are used, there is a disadvantage of benzene solvent volatilization; alcohol-soluble varnishes have a large amount of The volatilization of alcohol is not conducive to production safety, and the friction resistance of the printed paper is poor. With the development of society and the improvement of awareness of living environment protection, environmental protection is not only an economic issue, but a major issue related to the survi...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): D21H19/58D21H19/56D21H19/62D21H19/38D21H19/40D21H19/44D21H21/12D21H21/14
Inventor 朱征魏风军马宏军
Owner 洛阳尚德印刷材料有限公司