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Waterborne coating for magnesite artworks and preparation method thereof

A water-based paint and handicraft technology, applied in the direction of coating, can solve the problems of difficult adhesion of paint, affect product appearance, narrow use range, etc., to achieve the effect of improving adhesion, rapid spreading and wetting, and short drying time

Active Publication Date: 2014-09-24
FUJIAN TENGLONG IND
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] Magnesite handicrafts use oil-based release agents in the production, the surface tension is low, and the general coating is difficult to adhere. After coating, there are defects such as poor adhesion and flakes falling off, which affects the appearance of the product
[0004] Chinese patent CN1164702C has announced a kind of water-based coating, comprises primer coating and topcoat coating, provides corrosion resistance and adhesion by primer coating, and topcoat coating provides hydrophilicity, is mainly used on heat exchanger, and shortcoming is that must Combination of primer and topcoat is difficult to handle
[0005] Chinese patent CN102704335A discloses a water-based paint for wallpaper, which uses fibrous monoclinic titanium dioxide, silane compounds with a valence of more than three and non-ionic polyols as the main active ingredients to provide a decorative, beautiful, antibacterial and deodorizing paint. , protection, especially for wallpaper with excellent anti-wear performance, the disadvantage is that it is mainly used on wallpaper, and the scope of use is narrow

Method used

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  • Waterborne coating for magnesite artworks and preparation method thereof
  • Waterborne coating for magnesite artworks and preparation method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0041] A preparation method of water-based paint for magnesite handicrafts, the method may further comprise the steps:

[0042] (1) According to the formula requirements, 40 kg of modified acrylate emulsion 1 (glass transition temperature is 20-22°C) and 35 kg of modified acrylate emulsion 2 (glass transition temperature is 50-52°C) are put into the dispersion Tank, start stirring, under the speed of 300-500r / min, put in 4 kg of propylene glycol butyl ether, 2 kg of dipropylene glycol propyl ether, 0.2 kg of defoamer, 0.5 kg of surfactant, 18 kg of deionized water, thickener 1.0 kg, 0.1 kg preservative, keep stirring for 15-30 minutes;

[0043] (2) Regulate the viscosity of the solution obtained in step (1) with deionized water, so that the time for the solution obtained in step (1) to flow through the ISO 6# outflow cup is 30 to 50 s;

[0044] (3) Weigh and pack to obtain the water-based paint for magnesite handicrafts.

Embodiment 2

[0046] A preparation method of water-based paint for magnesite handicrafts, the method may further comprise the steps:

[0047] (1) According to the formula requirements, 30 kg of modified acrylate emulsion 1 (glass transition temperature is 20-22°C) and 45 kg of modified acrylate emulsion 2 (glass transition temperature is 50-52°C) are put into dispersion Tank, start stirring, under the speed of 300-500r / min, put in 3 kg of propylene glycol butyl ether, 2 kg of dipropylene glycol propyl ether, 0.2 kg of defoamer, 0.8 kg of surfactant, 18 kg of deionized water, thickener 1.0 kg, 0.1 kg preservative, keep stirring for 15-30 minutes;

[0048] (2) Regulate the viscosity of the solution obtained in step (1) with deionized water, so that the time for the solution obtained in step (1) to flow through the ISO 6# outflow cup is 30 to 50 s;

[0049] (3) Weigh and pack to obtain the water-based paint for magnesite handicrafts.

Embodiment 3

[0051] A preparation method of water-based paint for magnesite handicrafts, the method may further comprise the steps:

[0052] (1) According to the formula requirements, 20 kg of modified acrylate emulsion 1 (glass transition temperature is 20-22°C) and 55 kg of modified acrylate emulsion 2 (glass transition temperature is 50-52°C) are put into dispersion Tank, start stirring, at the speed of 300-500r / min, put in 3 kg of propylene glycol butyl ether, 2 kg of dipropylene glycol propyl ether, 0.3 kg of defoamer, 1.0 kg of surfactant, 18 kg of deionized water, thickener 1.0 kg, 0.1 kg preservative, keep stirring for 15-30 minutes;

[0053] (2) Regulate the viscosity of the solution obtained in step (1) with deionized water, so that the time for the solution obtained in step (1) to flow through the ISO 6# outflow cup is 30 to 50 s;

[0054] (3) Weigh and pack to obtain the water-based paint for magnesite handicrafts.

[0055] The water-based paint prepared by embodiment 1~embod...

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Abstract

The invention relates to a waterborne coating for magnesite artworks and a preparation method thereof. The waterborne coating is prepared from the following components by weight: 70-80 parts of waterborne emulsion, 5-7 parts of film forming additives, 0.2-0.4 part of antifoaming agents, 0.1-0.3 part of preservatives, 1.0-1.5 parts of thickening agents, 0.5-1.0 part of surfactants, and 10-20 parts of deionized water. The preparation method comprises: adding waterborne emulsion into a dispersing tank, starting stirring, orderly adding a film forming additive, an antifoaming agent, a surfactant, deionized water, a thickening agent and a preservative at a rotating speed of 300-500 r / min, keeping stirring for 15-30 min; adjusting the viscosity of the solution with deionized water to allow the solution to flow through an ISO 6# outflow cup in 30-50 s; and weighing and packaging. Compared with the prior art, the waterborne coating for magnesite artworks prepared by the invention has good adhesive force, is short in drying time, good in adhesion resistance, and good in stain resistance, is low in total volatile organic compound content, and is beneficial to environmental protection.

Description

technical field [0001] The invention relates to a coating and a preparation method thereof, in particular to a water-based coating for magnesite handicrafts and a preparation method thereof. Background technique [0002] Magnesite handicrafts use concrete materials and molded sculpture techniques to produce sculptures that imitate stone, imitation wood, imitation porcelain, and imitation metal. They have simple process, high strength, light weight, no deformation, cold resistance, aging resistance, and waterproof , Fireproof, mothproof, corrosion resistance and other excellent properties, the rapid development. [0003] Magnesite handicrafts use oil-based release agents in the production, the surface tension is low, and the general coating is difficult to adhere. After coating, there are defects such as poor adhesion and flakes falling off, which affect the appearance of the product. [0004] Chinese patent CN1164702C has announced a kind of water-based coating, comprises p...

Claims

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Application Information

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IPC IPC(8): C09D133/04C09D7/12
Inventor 郑溪河
Owner FUJIAN TENGLONG IND