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Nano-silica modified styrene-acrylic external wall composite thermal insulation coating and preparation method thereof

A nano-silica, styrene-acrylic exterior wall technology, applied in reflection/signal coatings, anti-fouling/underwater coatings, coatings, etc., to achieve good fluidity, enhanced hardness, and strong heat insulation performance

Inactive Publication Date: 2018-09-07
邹奇峰
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Most of the existing thermal insulation coatings are single-function thermal insulation coatings, and there is no sales of a qualified exterior wall composite thermal insulation coating with strong adhesion, good weather resistance, and stable thermal insulation performance.

Method used

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  • Nano-silica modified styrene-acrylic external wall composite thermal insulation coating and preparation method thereof
  • Nano-silica modified styrene-acrylic external wall composite thermal insulation coating and preparation method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0026] A nano-silica modified styrene-acrylic composite heat-insulating coating for exterior walls, its raw materials include the following components by weight: 50 parts of styrene-acrylic emulsion, 10 parts of xonotlite powder, 5 parts of hollow glass microspheres, 8 parts of titanium dioxide 4 parts, superfine aluminum carbonate powder, 10 parts of talcum powder, 2 parts of nano silicon dioxide, 0.8 parts of anti-mold and fungicide, 0.4 parts of wetting agent, 0.3 parts of dispersant, 0.5 parts of defoaming agent, film-forming aid 1.5 parts, 0.8 parts of thickener, 4 parts of antifreeze, 0.1 parts of PH regulator, 30 parts of deionized water.

[0027] The hollow glass microspheres mentioned above are hollow microspheres with a diameter of 50 μm.

[0028] The titanium dioxide described is rutile titanium dioxide with a particle size of 100 μm.

[0029] Described talcum powder is the 1000 mesh sieve powder.

[0030] The particle size of the nano silicon dioxide is 100 μm. ...

Embodiment 2

[0038] A nano-silica modified styrene-acrylic composite heat-insulating coating for exterior walls, its raw materials include the following components by weight: 70 parts of styrene-acrylic emulsion, 20 parts of xonotlite powder, 8 parts of hollow glass microspheres, 12 parts of titanium dioxide 5 parts, superfine aluminum carbonate powder 5 parts, talcum powder 20 parts, nano-silica 4 parts, anti-mildew bactericide 1.2 parts, wetting agent 0.8 parts, dispersant 0.5 parts, defoamer 0.9 parts, film-forming aid 2.5 parts, 1.2 parts of thickener, 8 parts of antifreeze, 0.3 parts of pH regulator, 50 parts of deionized water.

[0039] The hollow glass microspheres are hollow microspheres with a diameter of 100 μm.

[0040] The titanium dioxide described is rutile titanium dioxide with a particle size of 150 μm.

[0041] Described talcum powder is 1500 mesh sieve powders.

[0042] The particle size of the nano silicon dioxide is 150 μm.

[0043] Described dispersant is sodium lau...

Embodiment 3

[0050] A nano-silica modified styrene-acrylic composite heat-insulating coating for exterior walls. The raw materials include the following components by weight: 55 parts of styrene-acrylic emulsion, 14 parts of xonotlite powder, 6 parts of hollow glass microspheres, and 9 parts of titanium dioxide. 4.5 parts of superfine aluminum carbonate powder, 16 parts of talc powder, 3 parts of nano-silica, 0.9 parts of anti-mold and fungicide, 0.5 parts of wetting agent, 0.4 parts of dispersant, 0.6 parts of defoaming agent, and film-forming aid 2.3 parts, 1.0 parts of thickener, 6 parts of antifreeze, 0.2 parts of pH regulator, 36 parts of deionized water.

[0051] The hollow glass microspheres are hollow microspheres with a diameter of 58 μm.

[0052] The titanium dioxide described is rutile titanium dioxide with a particle size of 110 μm.

[0053] Described talcum powder is 1200 mesh sieve powders.

[0054] The particle size of the nano silicon dioxide is 120 μm.

[0055] The disp...

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Abstract

The invention provides a nano-silica modified styrene-acrylic external wall composite thermal insulation coating and a preparation method thereof. The coating is prepared from the following componentsin parts by weight: 50-70 parts of styrene-acrylic emulsion, 10-20 parts of xonotlite powder, 5-8 parts of hollow glass beads, 8-12 parts of titanium dioxide, 4-5 parts of ultrafine aluminum carbonate powder, 10-20 parts of talcum powder, 2-4 parts of nano-silica, 0.8-1.2 parts of an anti-mildew bactericide, 0.4-0.8 parts of a wetting agent, 0.3-0.5 part of a dispersant, 0.5-0.9 parts of a defoamer, 1.5-2.5 parts of a coalescing agent, 0.8-1.2 parts of a thickener, 4-8 parts of an antifreezing agent, 0.1-0.3 parts of a PH regulator and 30-50 parts of deionized water.

Description

technical field [0001] The invention relates to a heat-insulating coating, in particular to a nano-silica modified styrene-acrylic composite heat-insulating coating for exterior walls and a preparation method thereof. Background technique [0002] "Heat insulation coating": refers to a functional water-based coating developed in recent years that blocks, reflects, and radiates near-infrared heat from the sun to insulate and cool the roof, save energy and reduce consumption. It has heat insulation, waterproof, antirust, anticorrosion , short construction period and quick effect, fully replace the water spray system, thermal insulation cotton, foam sponge, interlayer iron sheet, etc. There are three main types of thermal insulation coatings in terms of characteristics and principles, insulating conductive thermal insulation coatings, reflective thermal insulation coatings and radiant heat insulation coatings. In addition to the above three types of heat insulation coatings, a ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C09D125/14C09D5/33C09D5/16C09D7/61
CPCC09D125/14C08K2003/2241C08K2201/011C09D5/004C09D5/1662C09D5/1687C08K13/04C08K7/28C08K3/34C08K3/22C08K3/36C08K3/26
Inventor 邹奇峰
Owner 邹奇峰
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