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Anti-cracking stone-like coating and preparation method thereof

A technology of real stone paint and rutile titanium dioxide, which is applied in coatings and other directions, can solve problems such as poor compatibility, easy cracks, and high proportion of sand

Active Publication Date: 2020-10-30
泾川县新裕新型建材有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The inventor believes that the above-mentioned technical solution has the following defects: the proportion of sand in the above-mentioned real stone paint is relatively high, and the sand is an inorganic substance, while the acrylic resin emulsion is an organic substance. The compatibility between the two is poor, and cracks are prone to occur during or after curing.

Method used

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  • Anti-cracking stone-like coating and preparation method thereof
  • Anti-cracking stone-like coating and preparation method thereof

Examples

Experimental program
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Effect test

Embodiment 1

[0048] Embodiment 1: An anti-crack real stone paint, the anti-crack real stone paint is made of raw materials including the parts by weight shown in Table 1. Among them, the dispersant is polyacrylate amine salt dispersant; the wetting agent is glycerin; the defoamer is polydimethylsiloxane; the multifunctional amine additive is AMP-95, and its chemical name is 2-amino-2-methanol base-1-propanol; film-forming aid is alcohol ester dodeca; preservative is 1,2-benzisothiazolin-3-one; thickener is alkali-swellable thickener ASE-60.

[0049]The preparation method of the semi-carbonized fiber comprises the following steps: after the plant fiber is dried, pulverized, and deashed, it is sent into a hypoxic environment, the oxygen content in the hypoxic environment is 0.8%, the temperature of the hypoxic environment is raised to X°C, and the temperature is kept at Zmin. The ignition point of plant fiber is Y°C, the relationship between X and Y is: 10≤(Y-X)≤15, and Z is calculated by th...

Embodiment 2-3

[0055] Embodiment 2-3: An anti-crack real stone paint, the difference from Embodiment 1 is that its raw materials are made of components including the parts by weight shown in Table 1.

[0056] Each component of raw material and parts by weight thereof in table 1 embodiment 1-3

[0057] components Example 1 Example 2 Example 3 water 100 110 120 Hydroxyethyl cellulose 1 1.5 2 Dispersant 2.5 3 3.5 D 0.6 0.8 1 Defoamer 0.8 1 1.2 Rutile Titanium Dioxide 8 10 12 Ground calcium carbonate 60 50 40 acrylic emulsion 160 170 180 Ethylene glycol 7 8 9 Multifunctional amine additives 1.2 1.5 1.6 Film former 1.8 1.9 2 sand 40 80 120 preservative 2 2.2 2.5 thickener 2 2.5 3 semi carbon fiber 2.5 3 3.5

Embodiment 4

[0058] Embodiment 4: A kind of anti-crack real stone paint, the difference with embodiment 1 is that the preparation method of semi-carbonized fiber comprises the following steps: after the plant fiber is dried, crushed and deashed, it is sent into a hypoxic environment, low The oxygen content in the oxygen environment is 0.2%, raise the temperature of the hypoxic environment to X°C, keep it warm for Zmin, the ignition point of the plant fiber is Y°C, the relationship between X and Y is: 10≤(Y-X)≤15, Z is calculated by the following formula : Z=k(Y-X), k=Y / 400.

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Abstract

The invention discloses an anti-cracking stone-like coating and a preparation method thereof, belonging to the field of building exterior wall coatings. According to technical key points in the invention, the anti-cracking stone-like coating is prepared from the following raw materials in parts by weight: 100-120 parts of water, 1 to 2 parts of hydroxyethyl cellulose, 2.5 to 3.5 parts of a dispersing agent, 0.6-1 part of a wetting agent, 0.8 to 1.2 parts of a de-foaming agent, 8 to 12 parts of rutile titanium dioxide, 40 to 60 parts of heavy calcium carbonate, 160 to 180 parts of an acrylic emulsion, 7-9 parts of ethylene glycol, 1.2 to 1.6 parts of a multifunctional amine auxiliary agent, 1.8 to 2 parts of a coalescing agent, 40 to 120 parts of sand, 2-2.5 parts of a preservative, 2-3 parts of a thickening agent, and 2.5 to 3.5 parts of semi-carbonized fiber. The stone-like coating provided by the invention has the advantage of crack resistance.

Description

technical field [0001] The present application relates to the field of architectural exterior wall coatings, in particular to an anti-crack real stone paint and a preparation method thereof. Background technique [0002] Real stone paint is a kind of paint with a decorative effect similar to marble and granite. It is mainly made of natural stone powder of various colors, and it is applied to the imitation stone effect of building exterior walls, so it is also called liquid stone. The buildings decorated with real stone paint have natural and real natural color, which gives people elegant, harmonious and solemn aesthetic feeling. It is suitable for indoor and outdoor decoration of all kinds of buildings. Especially when it is decorated on curved buildings, it is vivid and lifelike, and has an effect of returning to nature. [0003] In the Chinese invention patent whose publication number is CN109423146A, a real stone paint is disclosed, which is made of the following raw ma...

Claims

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Application Information

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IPC IPC(8): C09D133/04C09D7/61C09D7/62C09D7/65
CPCC08K2003/2241C08K2003/265C08L2205/16C09D133/04C09D7/61C09D7/62C09D7/65C09D7/70C08L97/02C08K13/06C08K9/06C08K9/04C08K7/06C08K7/24C08K3/22C08K3/26C08K3/36C08L1/02
Inventor 王志勇贾红林王志强王志军
Owner 泾川县新裕新型建材有限公司
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