Dark colour-system reflection-type outer wall thermal insulation coating and preparation method thereof

A heat-insulating coating and reflective technology, applied in the direction of reflection/signal coatings, coatings, etc., can solve the problems of poor particle size control, poor product stability, and difficult dispersion, and achieve obvious heat insulation effect and good dispersion effect , Improve the effect of heat insulation performance

Inactive Publication Date: 2010-12-22
SHENYANG JIANZHU UNIVERSITY
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The existing above-mentioned coatings have poor product stability due to factors such as the addition of heat-insulating rad

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Example Embodiment

[0019] Example 1 is a reflective exterior wall heat insulation provided by the present invention. Its components include silicone-modified styrene-acrylic emulsion, rutile titanium dioxide (particle size range 0.107μm~0.687μm, rectangular), iron red, Iron black, medium chrome yellow, talc powder, kaolin, heavy calcium, additives and water. The addition amount of each component is: (mass percentage) organic silicon modified styrene-acrylic emulsion 20%, rutile titanium dioxide 6%, Iron red, iron black, medium chrome yellow 2%, talc powder, kaolin, heavy calcium 35%, additives 6%, water 31%, the preparation process is: first dispersing agent, wetting agent, defoaming agent, fiber Add the basic additives to 32% water and stir evenly at low speed, then add 6% rutile titanium dioxide, 35% talc, kaolin, and heavy calcium into the high-speed stirring for about 30 minutes, and enter the sand mill for sanding. When the particle size of the system reaches below 60μm, add defoamer, film-f...

Example Embodiment

[0020] Example 2 is a reflection type exterior wall heat insulation provided by the present invention. Its components include silicone modified styrene-acrylic emulsion, rutile titanium dioxide (particle size range 0.107μm~0.687μm, rectangular), iron red, Iron black, medium chrome yellow, talc powder, heavy calcium, additives and water. The addition amount of each component is: (mass percentage) organic silicon modified styrene-acrylic emulsion 23%, rutile titanium dioxide 7%, iron red , Iron black, medium chrome yellow 4%, talc powder, kaolin, heavy calcium 35%, auxiliary agent 6%, water 25%, the preparation process is: first dispersing agent, wetting agent, defoaming agent, cellulose auxiliary Add 25% of the water, stir evenly at low speed, then add 7% rutile titanium dioxide, 35% talc, kaolin, and heavy calcium into high-speed stirring for about 30 minutes, and enter the sand mill for sanding. When the particle size reaches 60μm or less, add defoamer, film forming aid, 23% s...

Example Embodiment

[0021] Example 3 is a reflective external wall heat insulation provided by the present invention, and its components include silicone-modified styrene-acrylic emulsion, rutile titanium dioxide (particle size range 0.107μm~0.687μm, rectangular), iron red, Iron black, medium chrome yellow, talc powder, heavy calcium, additives and water. The addition amount of each component is: (mass percentage) silicone modified styrene-acrylic emulsion 29%, rutile titanium dioxide 6%, iron red , Iron black, medium chrome yellow 5%, talc powder, kaolin, heavy calcium 34%, auxiliary agent 6%, water 20%, the preparation process is: first dispersant, wetting agent, defoamer, cellulose auxiliary Add 20% water and stir evenly at low speed, then add 6% rutile titanium dioxide, 34% talcum powder, kaolin, heavy calcium, etc. into high-speed stirring for about 30 minutes, and enter the sand mill for sanding. When the particle size of the system reaches below 60μm, add defoamer, film-forming aid, 29% sil...

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Abstract

The invention relates to a dark colour-system reflection-type outer wall thermal insulation coating and a preparation method thereof. A selected film forming material is an organosilicon modified styrene-acrylate emulsion, pigments are rutile-type titanium dioxide, iron oxide red, iron oxide black and medium chrome yellow, and filling comprises talcum powder, kaolin and triple superphosphate. The particle size range of the rutile-type titanium dioxide is determined to be 0.107mum-0.687mum when the reflectivity of the coating is higher, the particles are rectangular, and the coating is blended into brown. The coating contains 20-30 percent of organosilicon modified styrene-acrylate emulsion, 5-10 percent of rutile-type titanium dioxide, 1-5 percent of iron oxide red, iron oxide black and medium chrome yellow, 28-43 percent of talcum powder, kaolin and triple superphosphate, 5-8 percent of assistant and 20-35 percent of water. The coating has obvious thermal insulation effect, attractive and elegant appearance, scouring resistance, good weather fastness, simple production process, good disperse effect, lower cost and stable product performance; and the coating is a waterborne system, and therefore, the coating has the significance of environmental protection and energy saving.

Description

technical field [0001] The invention relates to an exterior wall heat-insulating coating and a preparation method thereof, in particular to a dark-color reflective exterior-wall heat-insulation coating and a preparation method thereof. Background technique [0002] Energy efficiency in buildings is the primary aspect to improve the efficiency of energy utilization in society. If the exterior wall coating has thermal insulation performance, it will provide a more convenient and economical way for building energy conservation. Most of the reflective heat-insulating coatings currently developed are made by adding substances with heat-insulating radiation effects. For example, in the "reflective and heat-insulating coating and its production method" provided by the invention patent CN200910085967.3, 2-8% of ceramic hollow microspheres and 2-3% of infrared powder are added. The prepared coating has a strong reflection and barrier effect on solar radiation heat, and can effective...

Claims

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Application Information

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IPC IPC(8): C09D125/14C09D7/12C09D5/33
Inventor 赵苏邱丽媛
Owner SHENYANG JIANZHU UNIVERSITY
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