Heat insulation coating applied to building exterior walls

A technology for thermal insulation coatings and building exterior walls, applied in the field of coatings, can solve problems such as the inability to meet market demands, and achieve the effects of improving reflectivity, good bonding performance, and obvious thermal insulation effects.

Active Publication Date: 2018-04-03
安徽五岳松纳米技术有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

This kind of ceramic thermal insulation coating has low production cost, good construction performance, and good heat insulation effect. Therefore, some Mediterranean countries, such as Germany, Switzerland and other Western European countries, Italy, Spain, etc., have become important consumers of this thermal insulation coating. However, now Some building exterior wall insulation coatings gradually cannot meet the needs of the market

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0018] A building exterior wall thermal insulation coating, which is made of the following components in parts by weight: styrene-acrylic emulsion 90, alkyd resin 12, nano silicon dioxide 1, propenyl boric acid o-di-tert-alcohol ester 2, hollow microspheres 5, hydroxyl Ethyl cellulose 8, ethylene-vinyl acetate copolymer 3, sodium ricinoleate organically modified sepiolite powder 10, dispersant 1.5, filler 8, deionized water 60.

[0019] Further, the styrene-acrylic emulsion has a solid content of 46.5%, a viscosity of 260mPa·s, a residual monomer content of 0.5%, and a pH value of 8.8.

[0020] Further, the alkyd resin is a non-drying oil alkyd resin.

[0021] Further, the hollow microbeads have a true density of 0.35 g / cm³ and a particle size of 95 μm.

[0022] Further, the preparation method of the sodium ricinoleate organically modified sepiolite powder is:

[0023] (1) Evenly disperse 800-mesh sepiolite powder into an ethanol solution with a mass fraction of 10% to prepa...

Embodiment 2

[0030] A building exterior wall thermal insulation coating, which is made of the following components in parts by weight: styrene-acrylic emulsion 100, alkyd resin 15, nano-silica 3, propenyl boric acid o-di-tert-alcohol ester 5, hollow microbeads 10, hydroxyl Ethyl cellulose 12, ethylene-vinyl acetate copolymer 5, sodium ricinoleate organically modified sepiolite powder 18, dispersant 2.5, filler 15, deionized water 80.

[0031] Further, the styrene-acrylic emulsion has a solid content of 46.5%, a viscosity of 260mPa·s, a residual monomer content of 0.5%, and a pH value of 8.8.

[0032] Further, the alkyd resin is a non-drying oil alkyd resin.

[0033] Further, the hollow microbeads have a true density of 0.35 g / cm³ and a particle size of 95 μm.

[0034] Further, the preparation method of the sodium ricinoleate organically modified sepiolite powder is:

[0035] (1) Evenly disperse 800-mesh sepiolite powder into an ethanol solution with a mass fraction of 10% to prepare a se...

Embodiment 3

[0042] A thermal insulation coating for building exterior walls, which is made of the following components in parts by weight: styrene-acrylic emulsion 95, alkyd resin 13, nano silicon dioxide 2, propenyl boric acid o-di-tert-alcohol ester 3, hollow microspheres 8, hydroxyl Ethyl cellulose 10, ethylene-vinyl acetate copolymer 4, sodium ricinoleate organically modified sepiolite powder 15, dispersant 1.8, filler 12, deionized water 70.

[0043] Further, the styrene-acrylic emulsion has a solid content of 46.5%, a viscosity of 260mPa·s, a residual monomer content of 0.5%, and a pH value of 8.8.

[0044] Further, the alkyd resin is a non-drying oil alkyd resin.

[0045] Further, the hollow microbeads have a true density of 0.35 g / cm³ and a particle size of 95 μm.

[0046] Further, the preparation method of the sodium ricinoleate organically modified sepiolite powder is:

[0047] (1) Evenly disperse 800-mesh sepiolite powder into an ethanol solution with a mass fraction of 10% t...

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Abstract

The invention discloses a heat insulation coating applied to building exterior walls and relates to the technical field of coatings. The heat insulation coating is prepared from the following components: a styrene-acrylic emulsion, alkyd resin, nano silicon dioxide, allylboronic acid pinacol ester, hollow microspheres, hydroxyethyl cellulose, a vinyl-vinyl acetate copolymer, sodium ricinoleate organic modified sepiolite powder, a dispersant, a filler and deionized water. When the heat insulation coating is applied to the building exterior walls, the heat insulation coating is obvious in heat insulation effect, has flame retardance and weather resistance, is low in specific gravity, low in heat conduction coefficient, high in adhesion performance, difficult to fall off and high in toughness; meanwhile, the heat conduction coefficient of the coating is reduced; the light reflectivity of the coating is improved; the heat insulation effect is improved.

Description

technical field [0001] The invention belongs to the technical field of coatings, and in particular relates to a thermal insulation coating for building exterior walls. Background technique [0002] At present, the most developed country in the paint industry is still the United States. Their annual production of architectural paint is equivalent to half of the world's production. Japan, a developed country second only to the United States, has a larger annual paint output. In the 1970s and 1980s, the United States has produced a kind of architectural coating with thermal insulation properties. In the 1990s, the United States used ceramics as raw materials to make a coating with better heat insulation effect. This coating was used on the surface of metal to achieve good results, and it has a good application in the aerospace field. This kind of ceramic thermal insulation coating has low production cost, good construction performance, and good heat insulation effect. Therefor...

Claims

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Application Information

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IPC IPC(8): C09D125/14C09D167/08C09D101/28C09D7/61C09D7/63
CPCC08K2003/265C08L2205/035C09D125/14C08L67/08C08L1/284C08L23/0853C08K13/06C08K9/04C08K3/34C08K3/36C08K5/55C08K7/22C08K3/26
Inventor 韩华松温标
Owner 安徽五岳松纳米技术有限公司
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