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Granite-like coating for thermal insulation type external wall of building and preparation method thereof

A technology for imitating granite coatings and building exterior walls, applied in the field of building materials, can solve the problems of attenuation of thermal insulation, unstable composition, shortened service life of thermal insulation coatings, etc., to improve adhesion, improve simulation, and thermal stability. high sex effect

Inactive Publication Date: 2020-05-29
贵州广毅节能环保科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

There are also some non-toxic coatings with good heat insulation effects. For example, CN101108931 discloses a water-based elastic thermal insulation coating and a preparation method thereof. Two kinds of emulsions of elastic pure acrylic and silicon acrylic are used as film-forming materials, and a heat insulation coating is also used. materials, rutile titanium dioxide and other materials, but the composition of the coating is unstable, and it is easy to gradually decrease under the radiation of the sun, resulting in the gradual attenuation of the heat insulation effect, which in turn shortens the service life of the thermal insulation coating

Method used

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  • Granite-like coating for thermal insulation type external wall of building and preparation method thereof
  • Granite-like coating for thermal insulation type external wall of building and preparation method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0036] Example 1 Imitation Granite Coating for Exterior Wall of Thermal Insulation Building

[0037] Composition of raw materials (parts by weight): 200 parts of water, 10 parts of sodium carboxymethyl cellulose, 2 parts of polycarboxylate ammonium salt dispersant, 300 parts of granite stone powder, 50 parts of quartz sand, 30 parts of phase change energy storage material, mineral oil 2 parts of foaming agent, 20 parts of silicone acrylic emulsion, 10 parts of propylene glycol butyl ether, 1 part of isothiazolinone preservative.

[0038] The mesh number of the granite stone powder is 80-120 mesh, and the weight ratio of the 100-120 mesh granite stone powder accounts for 60%.

[0039] The preparation method of the phase change energy storage material is as follows:

[0040]S1. Diatomite treatment: Soak 22.5g of diatomite in 0.01mol / L dilute NaOH solution, wash it with water, and calcinate it in a muffle furnace at 1000°C for 3 hours, cool it, take it out, and grind it to 30-...

Embodiment 2

[0045] Example 2 Imitation Granite Coating for Exterior Wall of Thermal Insulation Building

[0046] Composition of raw materials (parts by weight): 300 parts of water, 20 parts of sodium carboxymethylcellulose, 5 parts of nonionic surface active dispersant, 400 parts of granite stone powder, 70 parts of quartz sand, 70 parts of phase change energy storage material, mineral oil Foam agent 6 parts, silicone acrylic emulsion 30 parts, propylene glycol butyl ether 20 parts, 1,2-benzisothiazolin-3-one 3 parts.

[0047] The mesh number of the granite stone powder is 80-120 mesh, wherein the weight ratio of the 100-120 mesh granite stone powder accounts for 75%.

[0048] The preparation method of the phase change energy storage material is as follows:

[0049] S1. Treatment of diatomite: Soak 25.7g of diatomite in 0.1mol / L dilute KOH solution, wash it with water, calcinate at 1500°C for 5 hours in a muffle furnace, cool it, take it out, and grind it until 30-80 mesh, spare;

[...

Embodiment 3

[0054] Example 3 Imitation Granite Coating for Exterior Wall of Thermal Insulation Building

[0055] Raw material composition (parts by weight): 220 parts of water, 12 parts of sodium carboxymethylcellulose, 3 parts of anionic surface active dispersant, 320 parts of granite stone powder, 55 parts of quartz sand, 40 parts of phase change energy storage material, mineral oil defoaming 3 parts of agent, 22 parts of silicone acrylic emulsion, 12 parts of propylene glycol methyl ether acetate, 2 parts of 2,2-dibromo-cyanoacetamide.

[0056] The mesh number of the granite stone powder is 80-120 mesh, and the weight ratio of the 100-120 mesh granite stone powder accounts for 62%.

[0057] The preparation method of the phase change energy storage material is as follows:

[0058] S1. Treatment of diatomite: Soak 27.5g of diatomite in 0.04mol / L dilute barium hydroxide, wash it with water, and calcinate it in a muffle furnace at 1150°C for 3.5h, cool it, take it out, and grind it. Fi...

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Abstract

The invention provides a granite-like coating for a thermal insulation type external wall of a building. The coating is prepared from the following raw materials in parts by weight: 200 to 300 parts of water, 10 to 20 parts of sodium carboxymethyl cellulose, 2 to 5 parts of a wetting dispersant, 300 to 400 parts of granite powder, 50 to 70 parts of quartz sand, 30 to 70 parts of a phase change material, 2 to 6 parts of a defoaming agent, 20 to 30 parts of silicone acrylic emulsion, 10 to 20 parts of a coalescing agent and 1 to 3 parts of a preservative. The granite-like coating has a good thermal insulation performance; the coating is compact in surface and loose in interior, the waterproof and thermal insulation properties are combined effectively, the thermal stability is high, the coating is a composite thermal insulation coating with an excellent performance, the thermal conductivity coefficient of the coating is 0.011 W / (m.k)-0.015 W / (m.k), and the thermal insulation effect is good.

Description

technical field [0001] The invention relates to the technical field of building materials, in particular to a granite-like coating for thermal insulation type building exterior walls and a preparation method thereof. Background technique [0002] Coating refers to the material coated on the surface of the object, which can bond with the substrate and form a complete and tough protective film. Decorative effect. Imitation granite paint is a common material for architectural decoration. It imitates natural stone. Its appearance is exquisite and its quality is high. It can improve the decoration grade while beautifying the building. Toning, the degree of simulation is low. And now consumers have higher and higher requirements for architectural coatings, not only for aesthetics, but also for the performance of architectural coatings. Natural granite is popular because of its fresh and natural, elegant color, lifelike shape, lively texture and strong adhesion, water resistance...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C04B26/32C04B111/20C04B111/27C04B111/28C04B111/54
CPCC04B26/32C04B2111/00017C04B2111/00482C04B2111/20C04B2111/27C04B2111/28C04B2111/542C04B2201/10C04B2201/32C04B2201/50C04B24/383C04B24/28C04B14/048C04B14/06C04B24/023C04B24/36C04B24/16C04B14/08C04B22/062C04B24/02C04B24/003C04B2103/406C04B24/06C04B24/005C04B22/064
Inventor 王澍
Owner 贵州广毅节能环保科技有限公司
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