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Waterborne glass thermal insulation coating and preparation method thereof

A heat-insulating coating and glass technology, which is applied in fire-resistant coatings, reflection/signal coatings, coatings, etc., can solve problems such as poor infrared radiation rate, unstable performance, and large limitations, and achieve improved rigidity and good heat insulation effect , high stability and high temperature resistance

Inactive Publication Date: 2018-11-16
WUHU YUANKUI NEW MATERIAL TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Although water-based glass heat-insulating coatings have been studied a lot, there are still many problems in practical applications, such as: unstable performance, although the reflective heat-insulating coatings reported in patent 200510028388. Single, mainly white or light-colored paint, with relatively large limitations, etc.

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0022] The preparation method of modified potassium hexatitanate whisker:

[0023] Add potassium hexatitanate whiskers and silicon nitride into acetone, conduct ultrasonic dispersion to obtain a dispersion liquid, heat up the dispersion liquid to 75°C, then add KH560, water and polyamide in sequence, stir evenly, dry after the reaction is complete Can. The mass ratio of silicon nitride to potassium hexatitanate whiskers is 1:5, the mass ratio of KH560 to potassium hexatitanate whiskers is 1:23, and the mass ratio of polyamide to silicon nitride is 1:17 .

Embodiment 2

[0025] The preparation method of modified potassium hexatitanate whisker:

[0026] Add potassium hexatitanate whiskers and silicon nitride into acetone and perform ultrasonic dispersion to obtain a dispersion liquid. Heat the dispersion liquid to 82°C, then add KH550, water and polyamide in sequence, stir evenly, and dry after the reaction is complete. Can. The mass ratio of silicon nitride to the potassium hexatitanate whiskers is 1:5, the mass ratio of KH550 to the potassium hexatitanate whiskers is 1:20, and the mass ratio of polyamide to silicon nitride is 1 :20.

Embodiment 3

[0028] A water-based glass heat-insulating coating, calculated in parts by weight, comprises the following components:

[0029] 80 parts of a mixture of acrylic acid emulsion and silica sol, 15 parts of pure acrylic emulsion, 10 parts of nano airgel, 10 parts of modified potassium hexatitanate whiskers in Example 1, 2 parts of ammonium acrylic acid dispersant, tetrachloroisophthalate 0.8 parts of forminonitrile, 6 parts of modified ammonium polyacrylate, 2 parts of mineral oil, 9 parts of propylene glycol ether and 50 parts of deionized water.

[0030] Preparation:

[0031] 1) Add ammonium acrylate dispersant, tetrachloroisophthalonitrile, and 1 / 2 mineral oil into deionized water according to the formula amount, and stir and mix thoroughly at a speed of 300r / min;

[0032] 2) Add nano-airgel, pure acrylic emulsion and the modified potassium hexatitanate whisker of Example 1 to the mixture of step 1) and disperse at a rotating speed of 1000r / min;

[0033] 3) Add the mixture of...

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PUM

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Abstract

The invention provides a waterborne glass thermal insulation coating and a preparation method thereof. The waterborne glass thermal insulation coating includes the following components in parts by weight: 70-90 parts of epoxy-modified organic silicone resin, 10-20 parts of pure acrylic emulsion, 5-15 parts of nano aerogel, 5-15 parts of thermal insulation filler, 1-3 parts of a wetting dispersant,0.5-1 part of a mildew preventive, 4-8 parts of a thickener, 1-3 parts of a defoamer, 6-12 parts of a coalescing agent and 40-60 parts of deionized water, wherein the thermal insulation filler is modified potassium hexatitanate whiskers mainly prepared from expanded perlite, indium trichloride and zirconium oxychloride. The coating not only has higher reflectivity and emissivity, good thermal insulation, and low heat conductivity coefficient, and but also can be used for indoor thermal insulation.

Description

technical field [0001] The invention belongs to the technical field of coatings, and in particular relates to a water-based glass heat-insulating coating and a preparation method thereof. Background technique [0002] Water-based glass thermal insulation coating is a new type of functional architectural coating that has been applied and paid attention to in recent years. In the hot summer and warm winter and hot summer and cold winter climate regions where the summer temperature is too high in our country, the coating not only has the decorative effect of ordinary exterior wall coatings, but also can reflect solar radiant heat to reduce the surface temperature of the coating film, and reduce the damage caused by summer coating. A series of problems caused by the high surface temperature of the membrane. Although water-based glass heat-insulating coatings have been studied a lot, there are still many problems in practical applications, such as: unstable performance, although...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C09D133/04C09D183/04C09D5/33C09D7/61C09D7/40
CPCC08L2201/08C08L2205/02C08L2205/025C08L2205/035C09D5/004C09D5/18C09D7/61C09D7/70C09D133/04C09D183/04C08L33/04C08L33/02C08K13/06C08K9/02C08K9/06C08K9/08C08K7/08C08K3/36
Inventor 章波郭元
Owner WUHU YUANKUI NEW MATERIAL TECH CO LTD
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