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Preparation method of non-cracking stone-like coating

A real stone paint, not easy technology, applied in the field of preparation of real stone paint that is not easy to crack, can solve problems such as affecting the decorative effect of real stone paint, large volume shrinkage, paint film peeling, etc., to improve storage stability, prolong surface drying time, and reduce shrinkage. rate effect

Inactive Publication Date: 2019-01-15
郭平
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The real stone paints on the market today generally have poor air permeability. During the drying process, the paint film is prone to large volume shrinkage, which leads to slight cracking of the paint film, and it is easy to cause the paint film to fall off in the later stage, seriously affecting the quality of the paint film. The decorative effect of real stone paint

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0025] A preparation method of non-cracking real stone paint, comprising the following steps:

[0026] (1) In parts by weight, add 36 parts of oleic acid, 24 parts of triethanolamine, and 3 parts of polyethanolamine into the reaction vessel, mix well, heat to 140°C, and keep warm for 4 hours, then add 22 parts of boric acid , 4 parts of molybdic acid, after the temperature was lowered to 120°C, the temperature was kept for 3 hours to obtain component A;

[0027] (2) In parts by weight, add 33 parts of anhydrous aluminum chloride, 16 parts of thulium chloride, and 13 parts of gadolinium chloride to 250 parts of water, mix and stir evenly, and then continue to add 130 parts of Ammonia water, after mixing and stirring evenly, heated to 90°C, heat preservation treatment for 8 hours, centrifuged to obtain precipitate, washed, dried, and calcined to obtain component B;

[0028] (3) In parts by weight, add 53 parts of α-alumina, 11 parts of indium oxide, and 8 parts of gallium oxide...

Embodiment 2

[0040] A preparation method of non-cracking real stone paint, comprising the following steps:

[0041] (1) In parts by weight, add 38 parts of oleic acid, 26 parts of triethanolamine, and 4 parts of polyethanolamine into the reaction vessel, mix well, heat to 145°C, and keep warm for 4.5 hours, then add 24 parts of boric acid , 8 parts of molybdic acid, after the temperature was lowered to 125°C, the heat preservation reaction was carried out for 3.5 hours to obtain component A;

[0042] (2) In parts by weight, add 35 parts of anhydrous aluminum chloride, 18 parts of thulium chloride, and 14 parts of gadolinium chloride to 280 parts of water, mix and stir evenly, and then continue to add 140 parts of it with a mass fraction of 25% Ammonia water, after mixing and stirring evenly, heated to 93°C, heat preservation treatment for 9 hours, centrifuged to obtain precipitate, washed, dried, and calcined to obtain component B;

[0043] (3) In parts by weight, add 56 parts of α-alumin...

Embodiment 3

[0055] A preparation method of non-cracking real stone paint, comprising the following steps:

[0056] (1) In parts by weight, add 40 parts of oleic acid, 28 parts of triethanolamine, and 5 parts of polyethanolamine into the reaction vessel, mix well, heat to 150°C, and keep warm for 5 hours, then add 26 parts of boric acid 1. 9 parts of molybdic acid, after lowering the temperature to 130°C, heat preservation reaction for 4 hours to obtain component A;

[0057] (2) In parts by weight, add 40 parts of anhydrous aluminum chloride, 20 parts of thulium chloride, and 15 parts of gadolinium chloride to 300 parts of water, mix and stir evenly, and then continue to add 150 parts of Ammonia water, after mixing and stirring evenly, heated to 95°C, and after heat preservation treatment for 10 hours, centrifuged to obtain precipitate, washed, dried, and calcined to obtain component B;

[0058] (3) In parts by weight, add 60 parts of α-alumina, 15 parts of indium oxide, and 12 parts of g...

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Abstract

The invention provides a preparation method of a non-cracking stone-like coating, and the preparation method comprises the following steps: (1) adding oleic acid, triethanolamine and polyethanolamineto a reaction vessel, mixing uniformly, heating, holding for reaction, adding boric acid and molybdic acid to the reaction vessel to obtain a component A; (2) adding anhydrous aluminum chloride, thulium chloride and gadolinium chloride to water, and continuously adding ammonia water thereto to obtain a component B; (3) adding alpha-alumina, indium oxide and gallium oxide to anhydrous ethanol for ball milling and mixing with high-purity ceramic balls, then calcining, and grinding to obtain a component C; (4) adding an anti-cracking silicon-acrylic emulsion, natural coloring sand, a film formingauxiliary, a dispersing agent, a defoaming agent, the component A, the component B and the component C to a high-speing stirring and dispersing machine for uniformly dispersing to obtain the non-cracking stone-like coating. The non-cracking stone-like coating is less prone to cracking during the initial drying process, and the mechanical properties are remarkable.

Description

technical field [0001] The invention belongs to the technical field of exterior wall coatings, and in particular relates to a preparation method of non-cracking real stone paint. Background technique [0002] In recent years, the exterior wall decoration of medium and high-end buildings in my country has gradually eliminated traditional tiles and dry-hanging stone materials, and real stone paint products stand out among many exterior wall coating products for their superior cost performance, and are favored by major domestic real estate developers. Favored by businesses and local governments. Real stone paint is a kind of polymer emulsion as the base material, adding a small amount of film-forming additives as the bonding material, using natural colored sand with different colors and meshes as the aggregate, and adding a series of additives and deionized water quantitatively. A polymer emulsion sand-wall-like high-build coating system prepared by physical uniform blending. ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C09D133/08C09D5/16C09D7/61C09D7/63C08F220/18C08F220/32C08F230/08C08F222/20
CPCC08F220/18C08F220/1811C08K2003/221C08K2003/2227C09D5/1668C09D5/1687C09D143/04C08K13/02C08K5/55C08K3/22C08F220/32C08F230/08C08F222/103
Inventor 郭平
Owner 郭平
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