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Cesium tungsten system transparent heat insulation master batch and preparation method thereof

A kind of masterbatch and system technology, which is applied in the field of cesium tungsten system transparent heat insulation masterbatch and its preparation, can solve the problems that the heat insulation effect is difficult to meet, the dispersion of photochromic powder heat insulation glass is uneven and large-scale application, etc. , to achieve the effects of improving aging resistance stability, low haze, and uniform nano-dispersion

Active Publication Date: 2022-07-15
南京亚鼎光学有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

In the existing technology, heat-insulating glass is mostly used such as: antimony tin oxide (ATO), indium tin oxide (ITO), etc., or adopts glass hollow structure heat insulation, surface sputtering metal reflective materials, under the premise of ensuring transparency and other national standards , the heat insulation effect is difficult to meet people's needs
In recent years, cesium tungsten bronze nano-insulation materials have developed rapidly due to their high heat insulation rate and good transparency; scale application

Method used

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  • Cesium tungsten system transparent heat insulation master batch and preparation method thereof
  • Cesium tungsten system transparent heat insulation master batch and preparation method thereof
  • Cesium tungsten system transparent heat insulation master batch and preparation method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0023] 1. Cs 0.33 WO 3 Preparation of powder by solid state thermal method

[0024] Cs 0.33 WO 3 The preparation method of the powder comprises the following steps: mixing the cesium carbonate white powder and the light yellow powder of tungsten trioxide with a Cs / W molar ratio of 1:3 into a container containing deionized water, and placing it on a heating table; Under the action of mechanical stirring, the temperature of the heating table was increased to 130 ° C, and the water vapor was gradually evaporated to dryness; finally, the obtained powder was ground with a nano-sand mill for 2 hours, and sieved with a 500-800 mesh screen. The sieved powder was placed in a tube furnace, at H 2 / N 2 (5% / 95%) high temperature heat treatment at 700°C for 3h to obtain dark blue cesium tungstate powder.

[0025] 2. Modified Cs 0.33 WO 3 Nanopaste preparation

[0026] (1) Raw materials

[0027] The modified Cs 0.33 WO 3 The raw materials included in the preparation of the nanos...

Embodiment 2

[0040] 1. Cs 0.33 WO 3 Preparation of powder by solid state thermal method

[0041] Cs0.33 WO 3 The preparation method of the powder comprises the following steps: mixing the cesium carbonate white powder and the light yellow powder of tungsten trioxide with a Cs / W molar ratio of 1:3 into a container containing deionized water, and placing it on a heating table; Under the action of mechanical stirring, the temperature of the heating table was increased to 120 ° C, and the water vapor was gradually evaporated to dryness; finally, the obtained powder was ground with a nano-sand mill for 1 hour, and sieved with a 500-800 mesh screen. The sieved powder was placed in a tube furnace, at H 2 / N 2 (5% / 95%) high temperature heat treatment at 650°C for 5h to obtain dark blue cesium tungstate powder.

[0042] 2. Modified Cs 0.33 WO 3 Nanopaste preparation

[0043] (1) Raw materials

[0044] The modified Cs 0.33 WO 3 The raw materials included in the preparation of the nanoslur...

Embodiment 3

[0057] 1. Cs 0.33 WO 3 Preparation of powder by solid state thermal method

[0058] Cs 0.33 WO 3 The preparation method of the powder comprises the following steps: mixing the cesium carbonate white powder and the light yellow powder of tungsten trioxide with a Cs / W molar ratio of 1:3 into a container containing deionized water, and placing it on a heating table; Under the action of mechanical stirring, the temperature of the heating table was increased to 140 ° C, and the water vapor was gradually evaporated to dryness; finally, the obtained powder was ground with a nano-sand mill for 3 hours, and sieved with a 500-800 mesh screen. The sieved powder was placed in a tube furnace, at H 2 / N 2 (5% / 95%) high temperature heat treatment at 750°C for 2h to obtain dark blue cesium tungstate powder.

[0059] 2. Modified Cs 0.33 WO 3 Nanopaste preparation

[0060] (1) Raw materials

[0061] The modified Cs 0.33 WO 3 The raw materials included in the preparation of the nanos...

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Abstract

The invention discloses a cesium tungsten system transparent heat insulation master batch and a preparation method thereof. The cesium tungsten system transparent heat insulation master batch comprises resin, HALS, modified Cs0. 33WO3 nano slurry, an ultraviolet absorption aid, an antioxidant and a catalyst. The preparation method comprises the following steps: stirring the resin, the HALS, the antioxidant, the ultraviolet absorption aid and the catalyst, adding the modified Cs0. 33WO3 nano slurry, and performing in-situ extrusion ester exchange reaction at 90-110 DEG C to obtain the heat-insulating master batch. According to the heat insulation master batch, the Cs0. 33WO3 nano slurry, the HALS and the resin are subjected to blending extrusion for ester exchange, and the nano metal oxide and the HALS are grafted to a macromolecular chain, so that the nano dispersion is uniform, the refractive index is uniform, the haze is low, and the absorption and anti-aging stability of short-wave blue light are improved.

Description

technical field [0001] The invention belongs to the field of thermal insulation master batches, in particular to a transparent thermal insulation master batch of a cesium tungsten system and a preparation method thereof. Background technique [0002] At present, the world is facing environmental problems and energy crisis, and it is of great significance to develop new energy-saving and environmental protection related equipment and materials. The annual summer solar radiation heat in China is about 800W per square meter, and the energy consumption of indoor air conditioners and fuel consumption in cars caused by high temperature is immeasurable. At present, the technology uses heat-insulating glass or sticking heat-insulating solar film, but the production of solar film itself is the consumption of fossil energy. It is more direct, environmentally friendly and energy-saving to directly add heat-insulating functional materials in the glass production process. In the prior a...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C08L23/08C08L87/00C08K5/3435C08K5/23C08K9/06C08K9/04C08K3/24C08J3/22C08G83/00
CPCC08J3/226C08J3/22C08G83/001C08J2423/08C08J2429/04C08J2487/00C08K2201/011C08K5/3435C08K5/235C08K9/06C08K9/04C08K3/24
Inventor 朱成武爱平
Owner 南京亚鼎光学有限公司
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