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A kind of cesium tungsten bronze modified powder and preparation method thereof

A technology of cesium tungsten bronze and modified powder, which is applied in the field of energy-saving PVB glue with external absorption and infrared absorption, and can solve the problems of UV discoloration resistance and low cost

Active Publication Date: 2019-12-27
广州市黑本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] In order to overcome the above-mentioned shortcomings of the existing cesium tungsten bronze nanopowder preparation method and the defects of poor light transmittance, intolerance to ultraviolet light and radiation discoloration, the present invention provides a cesium tungsten bronze powder prepared by a process step, and A method for preparing cesium tungsten bronze modified powder and its slurry with high production efficiency and low cost, which solves the problem of UV discoloration resistance of cesium tungsten bronze used in optical heat insulation transparent materials

Method used

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  • A kind of cesium tungsten bronze modified powder and preparation method thereof
  • A kind of cesium tungsten bronze modified powder and preparation method thereof
  • A kind of cesium tungsten bronze modified powder and preparation method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0038] (1) Preparation of a cesium tungsten bronze modified powder:

[0039] A. Place nano-tungsten trioxide with a reaction volume of 1mol and cesium hydroxide of 0.32mol, ammonia water of 2mol, and 0.01mol nano-nickel oxide in a closed reactor with stirring, and stir for 30 minutes under normal temperature conditions to make cesium hydroxide Dissolve in ammonia water and fully wet the nano-tungsten trioxide; then the reaction temperature is raised from room temperature to the melting point of cesium hydroxide 342.3°C, the heating rate is 50°C / h, and the temperature reaches 342.3°C for 1 hour, so that the cesium hydroxide melt is evenly adsorbed On the surface of nano-tungsten oxide; then the temperature is raised to 740°C at 50°C / h, and the temperature is kept at 740°C for 3 hours. The reaction formula is as follows:

[0040]

[0041] B. Take out the reaction product in step A, and then use Shanghai Huasan Powder Equipment Co., Ltd. model BPQ-50 jet mill for pulverizatio...

Embodiment 2

[0046] (1) Preparation of a cesium tungsten bronze modified powder:

[0047] A. Place nano-tungsten trioxide with a reaction volume of 1mol and cesium hydroxide of 0.32mol, ammonia water of 2mol, and 0.01mol nano-nickel oxide in a closed reactor with stirring, and stir for 30 minutes under normal temperature conditions to make cesium hydroxide Dissolve in ammonia water and fully wet the nano-tungsten trioxide; then the reaction temperature is raised from room temperature to the melting point of cesium hydroxide 342.3°C, the heating rate is 50°C / h, and the temperature reaches 342.3°C for 1 hour, so that the cesium hydroxide melt is evenly adsorbed On the surface of nano-tungsten oxide; then the temperature is raised to 740°C at 50°C / h, and the temperature is kept at 740°C for 3 hours. The reaction formula is as follows:

[0048]

[0049] B. Take out the reaction product in step A, and then use Shanghai Huasan Powder Equipment Co., Ltd. model BPQ-50 jet mill for pulverizatio...

Embodiment 3

[0054] (1) Preparation of a cesium tungsten bronze modified powder:

[0055] A. Place nano-tungsten trioxide with a reaction volume of 1mol and cesium hydroxide of 0.32mol, ammonia water of 2mol, and 0.01mol nano-nickel oxide in a closed reactor with stirring, and stir for 30 minutes under normal temperature conditions to make cesium hydroxide Dissolve in ammonia water and fully wet the nano-tungsten trioxide; then the reaction temperature is raised from room temperature to the melting point of cesium hydroxide 342.3°C, the heating rate is 50°C / h, and the temperature reaches 342.3°C for 1 hour, so that the cesium hydroxide melt is evenly adsorbed On the surface of nano-tungsten oxide; then the temperature is raised to 740°C at 50°C / h, and the temperature is kept at 740°C for 3 hours. The reaction formula is as follows:

[0056]

[0057] B. Take out the reaction product in step A, and then use Shanghai Huasan Powder Equipment Co., Ltd. model BPQ-50 jet mill for pulverizatio...

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Abstract

The invention provides preparation methods for a cesium tungsten bronze modified powder and slurry thereof, wherein the preparation methods of the cesium tungsten bronze modified powder include the steps that a cesium hydroxide and nano tungsten oxide solid solution is subjected to decomposition reduction by ammonia water under catalytic action of nano nickel oxide, and a cesium tungsten bronze powder is obtained; and in addition, the obtained cesium tungsten bronze powder has the powder surface modified by a coupling agent and infrared and ultraviolet absorbers to obtain a cesium tungsten bronze modified powder, the modified powder is dispersed in a PVB special-effect plasticizer 3G8 dispersant by a sand mill, and furthermore, the cesium tungsten bronze modified powder slurry is obtained.

Description

technical field [0001] The present invention relates to a preparation method of cesium tungsten bronze modified powder and its slurry, more specifically, relates to nanometer tungsten-containing metal oxide particles and its dispersion, and the preparation method of the nanoparticle and dispersion includes nano Solar control composition material containing tungsten metal oxide particles or its dispersion, and energy-saving PVB film with high transparency, ultraviolet absorption and infrared absorption. Background technique [0002] With the rapid development of science and technology and social production, energy and the environment have become two major issues of increasing concern to the whole society, and these two major issues have put forward higher requirements for energy conservation and environmental protection. In terms of energy consumption, building energy consumption accounts for nearly 40% of the total energy consumption of the whole society, and the energy lost...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C09C1/00C09C3/06C09C3/08C09C3/12C01G41/00C08K9/04C08K9/02C08K9/06C08K3/22C08L29/14C09J7/00C09J129/14C09J11/04
CPCC01G41/00C01P2002/82C01P2002/84C01P2004/03C01P2006/22C08K3/22C08K9/02C08K9/04C08K9/06C09C1/00C09C3/006C09C3/063C09C3/08C09C3/12C09J7/00C09J11/04C09J129/14C09J2301/408
Inventor 蔡华轮钟奕梅
Owner 广州市黑本新材料科技有限公司
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