Water-based nano high-temperature-resistant thermal insulation material and preparation method thereof

A technology of thermal insulation and high temperature resistance, which is applied in the field of water-based nano-temperature-resistant thermal insulation materials and preparation, can solve the problems of other raw material performance changes, and achieve the effects of reducing heat gain, tight connection, and low thermal conductivity

Pending Publication Date: 2022-08-02
甘肃恒固新材料科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0007] The greater the amount of SiO airgel added in the existing water-based nano thermal insulation coatings within a certain range, the better the thermal insulation performance of the coating will be. With the increase in the amount of SiO airgel used, the thermal conductivity decreases. , but increasing the amount of SiO airgel may lead to changes in the performance of other raw materials, and there is currently no thermal insulation coating prepared by combining the resistance conduction and light reflection technologies on the market

Method used

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  • Water-based nano high-temperature-resistant thermal insulation material and preparation method thereof
  • Water-based nano high-temperature-resistant thermal insulation material and preparation method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0030] The specific steps of the preparation method are as follows:

[0031] (1), add 26% of water, 4% of infrared reflective pigment, and 0.8% of pigment dispersant into the dispersing tank and stir evenly, the stirring speed is 120r / min, and the stirring time is 8min to obtain mixture A;

[0032] (2), slowly add 19% of titanium-plated nano-ceramic hollow microbeads, 0.6% of emulsifier, 0.8% of thickener, 0.5% of defoamer, 0.3% of leveling agent, and 8% of emulsion to the mixture A of step 1 at low speed Stir evenly, the stirring speed is 45r / min, and the stirring time is 50min to obtain mixture B;

[0033] (3), adding 26% of silica aerogel and 16% of water-based resin to the mixture B obtained in step 2 and continued stirring for 27 min at a rotating speed of 45r / min to obtain the water-based nanometer high-temperature-resistant thermal insulation material.

Embodiment 2

[0035] The specific steps of the preparation method are as follows:

[0036] (1), adding 18% water, 10% infrared reflective pigment, and 0.8% pigment dispersant into the dispersing tank and stirring evenly, the stirring speed is 120r / min, and the stirring time is 8min to obtain mixture A;

[0037] (2), slowly add 19% of titanium-plated nano-ceramic hollow microbeads, 0.6% of emulsifier, 0.8% of thickener, 0.5% of defoamer, 0.3% of leveling agent, and 8% of emulsion to the mixture A of step 1 at low speed Stir evenly, the stirring speed is 45r / min, and the stirring time is 50min to obtain mixture B;

[0038] (3), adding 26% of silica aerogel and 16% of water-based resin to the mixture B obtained in step 2 and continued stirring for 27 min at a rotating speed of 45 r / min to obtain the water-based nanometer high-temperature-resistant thermal insulation material.

Embodiment 3

[0040] The specific steps of the preparation method are as follows:

[0041] (1), adding 38% water, 4% infrared reflective pigment, and 0.8% pigment dispersant into the dispersing tank and stirring evenly, the stirring speed is 120r / min, and the stirring time is 8min to obtain mixture A;

[0042] (2), slowly add 19% of titanium-plated nano-ceramic hollow microbeads, 0.6% of emulsifier, 0.8% of thickener, 0.5% of defoamer, 0.3% of leveling agent, and 10% of emulsion to the mixture A of step 1 at low speed Stir evenly, the stirring speed is 45r / min, and the stirring time is 50min to obtain mixture B;

[0043](3), adding 4% of silica aerogel and 22% of water-based resin to the mixture B obtained in step 2 and continued to stir for 27 min at a rotating speed of 45r / min to obtain the water-based nano-temperature-resistant thermal insulation material.

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Abstract

The invention discloses a water-based nano high-temperature-resistant thermal insulation material which is prepared from the following components in percentage by mass: 16-22% of water-based resin, 3-10% of infrared reflection pigment, 3-26% of silicon dioxide aerogel, 19-26% of hollow microspheres, 18-38% of water, 6-10% of emulsion and 2-5% of auxiliaries. The titanium-plated nano ceramic hollow microbeads are added as a filler, the titanium-plated nano ceramic hollow microbeads are filled with gas, the heat conductivity coefficient is low, so that the coating has good heat insulation and heat preservation performance, and meanwhile, the added styrene and acrylate copolymer emulsion can fill gaps among the titanium-plated nano ceramic hollow microbeads, so that the heat preservation performance of the coating is improved. According to the present invention, with the addition of the infrared reflection pigment prepared from the far infrared ceramic powder and the spinel powder, the coating material has the high light reflectivity, the heat gaining on the material surface can be reduced so as to achieve the heat insulation purpose, and the adhesion force of the coating material is good when the addition amount of the silicon dioxide aerogel is 4%; the thermal conductivity is low, and the dosage of the silicon dioxide aerogel can be reduced.

Description

technical field [0001] The invention relates to the field of paint production, in particular to a water-based nanometer high-temperature-resistant thermal insulation material and a preparation method. Background technique [0002] At present, the problem of energy shortage in the world is becoming more and more serious, and all walks of life have higher and higher requirements for energy conservation and emission reduction. In the field of construction, because its energy consumption accounts for about 30% of the total energy consumption of the whole society, and it is only the proportion of energy consumed in the process of construction and use of buildings, if the energy consumed in the production process of building materials is added, the energy consumption related to buildings will be reduced. The energy consumption will account for 46.7% of the total social energy consumption. Building energy efficiency is very important to achieve the "dual carbon" goal. [0003] Bu...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C09D167/08C09D175/04C09D5/33C09D7/61C09D7/62
CPCC09D167/08C09D175/04C09D5/004C09D5/18C09D7/61C09D7/62C08K2003/222C08K2003/2265C08K2003/2296C08K2003/2262C08K2201/011C08L2201/08C08L75/04C08L25/14C08K7/26C08K9/00C08K3/22C08L67/08Y02B30/90
Inventor 吴双才施欢华王玥陈善平
Owner 甘肃恒固新材料科技有限公司
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