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A kind of anti-heat radiation coating for glass and preparation method thereof

A thermal radiation and glass technology, applied in the field of coatings, can solve the problems of high cost and low light transmittance, and achieve the effects of stable physical and chemical properties, uniform quality, and reduction of solar radiation heat absorption rate

Active Publication Date: 2019-05-31
CHANGZHOU TONGFENG PAINT
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] The purpose of the present invention is to overcome the disadvantages of high cost and low light transmittance caused by the addition of substances that can reflect solar radiation in the radiation-proof glass in the prior art, and provide a heat-radiation-resistant coating for glass and its preparation method

Method used

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  • A kind of anti-heat radiation coating for glass and preparation method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0030] Prepare the anti-radiation coating for glass according to the following preparation method:

[0031] 1) Weigh 13 parts by weight of 2,4-diisocyanate-terminated poly(ethylene adipic acid), 4 parts by weight of trimethylolpropane triacrylate, and 5 parts by weight of vinyl polydimethylsiloxane and stir for 30- 40min to get the mixed solution A for use;

[0032] 2) disperse 11 parts by weight of 2-(1-piperidinyl) ethyl isothiocyanate and 3 parts by weight of aluminum monostearate in 45 parts by weight of organic solvent to obtain mixed solution B (organic solvent by volume ratio Calculate, butyl acetate: propylene glycol monomethyl ether: isopropanol=4:3:2);

[0033] 3) Control the stirring speed of the mixed solution B to be above 1200rpm, slowly drop the mixed solution A into the mixed solution B to obtain the mixed solution C;

[0034] 4) Control the stirring speed of the mixed solution C to 600-700rpm, then add 5 parts by weight of water-based fluorine-containing hyd...

Embodiment 2

[0037] Prepare the anti-radiation coating for glass according to the following preparation method:

[0038] 1) Weigh 15 parts by weight of 2,4-diisocyanate-terminated poly(ethylene adipic acid), 6 parts by weight of trimethylolpropane triacrylate, and 7 parts by weight of vinyl polydimethylsiloxane and stir for 30- 40min to get the mixed solution A for use;

[0039] 2) disperse 12 parts by weight of 2-(1-piperidinyl) ethyl isothiocyanate and 4 parts by weight of slurry calcium linoleate in 45-48 parts by weight of organic solvent to obtain mixed solution B (organic solvent Calculated by volume ratio, butyl acetate: propylene glycol monomethyl ether: isopropanol=4:3:2);

[0040] 3) Control the stirring speed of the mixed solution B to be above 1200rpm, slowly drop the mixed solution A into the mixed solution B to obtain the mixed solution C;

[0041] 4) Control the stirring speed of the mixed solution C to 600-700rpm, then add 7 parts by weight of water-based fluorine-contain...

Embodiment 3

[0044] Prepare the anti-radiation coating for glass according to the following preparation method:

[0045] 1) Weigh 14 parts by weight of 2,4-diisocyanate-terminated poly(ethylene adipic acid), 5 parts by weight of trimethylolpropane triacrylate, and 6 parts by weight of vinyl polydimethylsiloxane and stir for 30- 40min to get the mixed solution A for use;

[0046] 2) 11-12 parts by weight of 2-(1-piperidinyl) ethyl isothiocyanate and 4 parts by weight of slurry calcium linoleate are dispersed in 46 parts by weight of organic solvent to obtain mixed solution B (organic solvent Calculated by volume ratio, butyl acetate: propylene glycol monomethyl ether: isopropanol=4:3:2);

[0047] 3) Control the stirring speed of the mixed solution B to be above 1200rpm, slowly drop the mixed solution A into the mixed solution B to obtain the mixed solution C;

[0048]4) Control the stirring speed of the mixed solution C to 600-700rpm, then add 6 parts by weight of water-based fluorine-con...

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Abstract

The invention belongs to the technical field of coatings, specifically relates to a thermal radiation protection coating for glass and a preparation method thereof, wherein the coating is prepared from the following ingredients in percentage by weight: 13-15 parts by weight of poly(ethylene adipate) with the end capped by toluene-2,4-diisocyanate; 11-12 parts by weight of 2-(1-piperidyl)ethyl isothiocyanate; 4-6 parts by weight of trimethylolpropane triacrylate; 5-7 parts by weight of waterborne fluorine-containing hydroxyl acrylic emulsion with a solid content of 45% and a content of fluorine monomer of 25 wt%; 45-48 parts by weight of organic solvent; 5-7 parts by weight of vinyl polydimethyl siloxane; 2-3 parts by weight of flatting agent; and 3-4 parts by weight of thickening agent. The thermal radiation protection coating for the glass prepared by the invention has the visible light transmittance up to 99% or higher without affecting the transmittance of the glass. In addition, the solar radiant heat absorption rate of the glass can be obviously reduced.

Description

technical field [0001] The invention belongs to the technical field of coatings, and in particular relates to a thermal radiation-proof coating for glass and a preparation method thereof. Background technique [0002] In order to prevent the radiation of solar radiant heat, various inorganic or organic material glasses have been developed, such as heat-reflecting glass that can reflect solar radiation. In order to improve the effectiveness, the material that can reflect solar radiation is added to the glass material. However, using this method makes the cost high or greatly reduces the light transmittance of the glass in the visible region to darken the interior. [0003] CN 100369844 C discloses a heat-resistant radiation coating for glass. The mixture of silane coupling agent and deionized water is used as coating. In order to overcome the phenomenon that silane coupling agent is easy to gel in aqueous solution, the invention must Mixing the silane coupling agent with de...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C09D175/04C09D183/07C09D5/00C09D7/47
CPCC08L2201/08C08L2205/03C09D5/00C09D7/47C09D175/04C08L83/04C08L91/00C08K5/098
Inventor 戴仁兴
Owner CHANGZHOU TONGFENG PAINT
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