Nano bimetallic oxide heat-insulating filler, preparation method thereof and application of nano bimetallic oxide heat-insulating filler in nano transparent heat-insulating coating

A technology of bimetallic oxides and thermal insulation fillers, applied in nanotechnology, nanotechnology, polyurea/polyurethane coatings, etc., can solve the problems of large influence on thermal insulation performance, achieve strong reflectivity, improve stability, Effects of dispersibility and stability

Inactive Publication Date: 2021-01-15
东莞狐马商贸有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

From the above prior art, it can be known that nano-insulation materials with different properties have a great influence on the heat-insulation performance of coatings, and the compatibility between nano-insulation materials and coating substrates is also the main problem to be solved.

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0025] (1) In parts by mass, 25 parts of tetrabutyl titanate are added into an aqueous citric acid solution with a mass ratio of 43:50, and stirred evenly to obtain a titanium citrate precursor. According to the molar ratio of titanium ions to lithium ions, 1:2.1, add lithium citrate solution dropwise to the titanium citrate precursor, stir evenly, and evaporate the solvent at 60°C at a rate of 250r / min for 2h to obtain a lithium titanate precursor sol.

[0026] (2) According to the mass ratio of lithium titanate precursor sol to mica particles is 1:8, add lithium titanate precursor sol to mica particles, stir evenly, and in air atmosphere, at room temperature at a rate of 5°C / min The temperature was raised to 800° C., kept for 10 minutes, and then raised to 1100° C. at a rate of 3° C. / min, kept for 4 hours to obtain a lithium titanate carrier.

[0027] (3) According to the molar ratio of antimony ion and tin ion is 5:80, stir the alcohol solution of tin chloride and the alcoh...

Embodiment 2

[0031](1) In parts by mass, 28 parts of tetrabutyl titanate are added into an aqueous citric acid solution with a mass ratio of 45:55, and stirred evenly to obtain a titanium citrate precursor. According to the molar ratio of titanium ions to lithium ions, 1:2.3, add lithium citrate solution dropwise to the titanium citrate precursor, stir evenly, and heat and evaporate the solvent at a rate of 500r / min at 70°C for 6h to obtain a lithium titanate precursor sol.

[0032] (2) According to the mass ratio of lithium titanate precursor sol to mica particles is 1:10, add lithium titanate precursor sol to mica particles, stir evenly, in air atmosphere, at room temperature at 10 ℃ / min The temperature was raised to 900°C at a rate of 15 minutes, and then the temperature was raised to 1200°C at a rate of 5°C / min, and kept at a temperature of 6 hours to obtain a lithium titanate carrier.

[0033] (3) Stir the alcohol solution of tin chloride and the alcohol solution of antimony chloride ...

Embodiment 3

[0037] (1) In parts by mass, 26 parts of tetrabutyl titanate are added into an aqueous solution of citric acid with a mass ratio of 44:53, and stirred evenly to obtain a titanium citrate precursor. According to the molar ratio of titanium ions to lithium ions, 1:2.2, add lithium citrate solution dropwise to the titanium citrate precursor, stir evenly, and heat and evaporate the solvent at a rate of 300r / min at 65°C for 4h to obtain a lithium titanate precursor sol.

[0038] (2) According to the mass ratio of lithium titanate precursor sol to mica particles is 1:9.5, add lithium titanate precursor sol to mica particles, stir evenly, and in air atmosphere, at room temperature at 6°C / min The temperature was raised to 850°C at a rate of 13 minutes, and then the temperature was raised to 1150°C at a rate of 4°C / min, and kept at a temperature of 5 hours to obtain a lithium titanate carrier.

[0039] (3) According to the molar ratio of antimony ion and tin ion being 6:85, the alcohol...

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PUM

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Abstract

The invention provides a nano bimetallic oxide heat-insulating filler, a preparation method thereof and application of the nano bimetallic oxide heat-insulating filler in a nano transparent heat-insulating coating. The specific preparation process comprises the steps of adding tetrabutyl titanate into a citric acid aqueous solution, stirring evenly to obtain a titanium citrate precursor, dropwiseadding a lithium citrate solution into the titanium citrate precursor, stirring evenly, and heating and evaporating the solvent to obtain lithium titanate precursor sol; adding the lithium titanate precursor sol into mica particles, uniformly stirring, and carrying out heat treatment to obtain a lithium titanate carrier; stirring the alcoholic solution of tin chloride and the alcoholic solution ofantimony chloride to form sol, heating to evaporate the solvent, and grinding to obtain tin antimony oxide precursor sol; and mixing the tin antimony oxide precursor sol, a lithium titanate carrier and chitosan powder to obtain a mixture, putting the mixture into a carbon bath, and carrying out high-temperature decomposition to obtain the nano bimetallic oxide heat-insulating filler. The nano bimetallic oxide heat-insulating filler prepared by the method can be used for preparing a nano transparent heat-insulating coating.

Description

technical field [0001] The invention belongs to the technical field of coatings, and in particular relates to a nanometer double metal oxide thermal insulation filler, a preparation method thereof and an application in nanometer transparent thermal insulation coatings. Background technique [0002] With the rapid development of the national economy and science and technology, energy conservation and environmental protection have received more and more attention from the people. As a material attached to the surface of the substrate, coatings have become a research hotspot in energy conservation and environmental protection. Heat insulation coating is a kind of energy-saving decorative coating, which can reduce the temperature inside the substrate, reduce energy consumption, and improve the service life of the substrate. According to the heat insulation mechanism, heat insulation coating can be divided into barrier heat insulation coating and radiation heat insulation coating ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C09D7/61C09D7/62C09D7/65C09D175/14B82Y30/00B82Y40/00
CPCB82Y30/00B82Y40/00C08K2201/011C09D175/14C09D7/61C09D7/62C09D7/65C08L5/08C08K13/06C08K9/12C08K3/22C08K3/24
Inventor 范儒文
Owner 东莞狐马商贸有限公司
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