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Washable coating material and preparation method thereof

A technology of coating material and washability, which is applied in the field of washability coating material and its preparation, can solve the problems of poor washability, etc., and achieve the goal of improving heat insulation capacity, good heat insulation, and good washability Effect

Inactive Publication Date: 2015-03-11
NANJING UNIV OF INFORMATION SCI & TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] The problem with the above coatings is that they have poor scrub resistance

Method used

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  • Washable coating material and preparation method thereof
  • Washable coating material and preparation method thereof

Examples

Experimental program
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Effect test

Embodiment 1

[0034] The preparation method of washable coating material of the present invention, the method comprises the following steps:

[0035] 1) Preparation of titanium-containing microcrystalline cellulose composite powder:

[0036] In an ice-water bath (0°C), slowly drop 90mL of titanium tetrachloride into 420mL of isopropanol to form a solution, add 4.8mL of concentrated hydrochloric acid (37% by mass) to the solution, stir well, then add dropwise 135mL Ammonia water (mass percentage concentration 28%) forms solution A.

[0037] Mix the microcrystalline cellulose and the concentrated sulfuric acid solution with a mass percent concentration of 50% in a weight ratio of 1:20, and ultrasonically treat at 50-55° C. for 1 hour at an ultrasonic frequency of 50 kHz and 400 W to obtain a milky white suspension B. Stand-by; wherein the particle diameter of microcrystalline cellulose is 70-75nm;

[0038] Mix the above liquid A and solution B at a mass ratio of 1:1.3. After mixing, ultraso...

Embodiment 2

[0047]The mass ratio of liquid A and solution B in step 1) is 1:1.4;

[0048] The percentage by weight of each composition in the coating material in step 3) is: nano-scale titanium-containing microcrystalline cellulose composite powder 25%, slag powder 16%, polyurethane 0.2%, titanium dioxide 5%, silica sol 0.5%, quartz powder 5%, and the rest is 3-methyl-2-buten-1-ol acetate complex solution.

[0049] Other preparation process is the same as embodiment one.

Embodiment 3

[0051] The mass ratio of liquid A and solution B in step 1) is 1:1.5;

[0052] The percentage by weight of each composition in the coating material in step 3) is: nano-scale titanium-containing microcrystalline cellulose composite powder 23%, slag powder 14%, polyurethane 0.17%, titanium dioxide 4%, silica sol 0.3%, quartz powder 4%, and the rest is 3-methyl-2-buten-1-ol acetate complex solution.

[0053] Other preparation process is the same as embodiment one.

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Abstract

The invention provides a washable coating material and a preparation method thereof. The coating material comprises the following components by weight percentage: 20-25% of titaniferous microcrystalline cellulose composite powder, 12-16% of slag powder, 0.15-0.2% of polyurethane, 2-5% of titanium dioxide, 0.1-0.5% of silica sol, 3-5% of silica powder and the balance of 3-methyl-2-butylene-1-alcohol acetate composite solution, wherein the slag powder comprises the following components by weight percentage: 36-40% of CaO, 13-15% of Al2O3, 6-9% of MgO, 0.3-0.5% of FeO and the balance of SiO2; the particle size of the slag powder is 80-100 micrometers; the fineness of titanium dioxide is 80-100 micrometers; the particle size of the titaniferous microcrystalline cellulose composite powder is 80-100 nanometers; and the particle size of the silica powder is 0.5-0.8 millimeters.

Description

technical field [0001] The invention belongs to the field of coatings, and relates to a washing-resistant coating material and a preparation method thereof. Background technique [0002] Application No. 201210007801.1 discloses a production method of an environment-friendly coating. The method uses quartz sand tailings to prepare an acid-alkali-resistant and scrub-resistant environment-friendly coating. The method includes the following steps: ① Preparation of polyvinyl acetate emulsion: preparation 4-5ml of ammonium persulfate solution with a mass fraction of 5%; add 15-19g of vinyl acetate and 1-3ml of ammonium persulfate solution into the reaction vessel, stir, heat in a water bath, and reflux at a temperature of 65-75°C; When the reflux disappears and the temperature rises to 80-83°C, add 22-25g of vinyl acetate and the remaining ammonium persulfate solution dropwise at a constant speed within 2 hours with a dropping funnel; , until there is no reflux; cool down to 50°C...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C09D101/02C09D7/12
Inventor 王玲赵浩峰陈晓玲邱奕婷陆阳平郑泽昌柯维雄王冰赵佳玉胡志鸿侯少杰王明一张林
Owner NANJING UNIV OF INFORMATION SCI & TECH
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