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A temperature-adjusting and humidity-regulating composite material with photocatalytic performance and its preparation method

A photocatalytic material, temperature and humidity regulation technology, applied in the direction of heat exchange materials, chemical instruments and methods, separation methods, etc., can solve the problems of indoor environmental secondary pollution, microbial growth, large energy consumption, etc., to reduce the cost of building Energy consumption, enhanced humidity control performance, and the effect of promoting photocatalytic reactions

Active Publication Date: 2017-12-19
工大开元环保科技(安徽)股份有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, relying on artificial heating, cooling, humidification and other equipment can provide a more comfortable indoor environment, but it needs to consume a lot of energy, and the equipment needs to limit the natural ventilation conditions of the indoor environment during use, which is easy to cause "indoor syndrome". "disease; in addition, it is difficult to effectively clean the pipeline during the operation of the equipment, and it is easy to cause microbial growth after long-term use, resulting in secondary pollution of the indoor environment

Method used

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  • A temperature-adjusting and humidity-regulating composite material with photocatalytic performance and its preparation method
  • A temperature-adjusting and humidity-regulating composite material with photocatalytic performance and its preparation method
  • A temperature-adjusting and humidity-regulating composite material with photocatalytic performance and its preparation method

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0028] Taking the preparation of product 100g of the present invention as an example, the components used and their mass proportions are:

[0029]

[0030] (1) Preparation of palmitic alcohol-palmitic acid-lauric acid phase change material: Put the mixture of palmitic alcohol, palmitic acid and lauric acid in a container, and use a constant temperature magnetic stirrer to mix the mixture at 2000r / min and 65°C in a water bath. After dissolving and stirring for 4 hours, a palmitic alcohol-palmitic acid-lauric acid phase change material was obtained. The mass percent of palmityl alcohol, palmitic acid and lauric acid in the palmitic alcohol-palmitic acid-lauric acid phase change material is 20:30:50.

[0031] (2) Add tetraethyl orthosilicate, absolute ethanol and deionized water into the beaker in sequence according to the above formula ratio, stir with a constant temperature magnetic stirrer at 1200r / min and 65°C water bath for 15min, and mix the obtained Stir the mixture at...

Embodiment 2

[0035] Taking the preparation of product 100g of the present invention as an example, the components used and their mass proportions are:

[0036]

[0037] (1) Preparation of palmitic alcohol-palmitic acid-lauric acid phase change material: Put the mixture of palmitic alcohol, palmitic acid and lauric acid in a container, and use a constant temperature magnetic stirrer to mix the mixture at 2000r / min and 65°C in a water bath. After dissolving and stirring for 4 hours, a palmitic alcohol-palmitic acid-lauric acid phase change material was obtained. The mass percent of palmityl alcohol, palmitic acid and lauric acid in the palmityl alcohol-palmitic acid-lauric acid phase change material is 40:20:40.

[0038] (2) Add tetraethyl orthosilicate, absolute ethanol and deionized water into the beaker in sequence according to the above formula ratio, stir with a constant temperature magnetic stirrer at 1200r / min and 65°C water bath for 15min, and mix the obtained Stir the mixture at...

Embodiment 3

[0042] Taking the preparation of product 100g of the present invention as an example, the components used and their mass proportions are:

[0043]

[0044] (1) Preparation of palmitic alcohol-palmitic acid-lauric acid phase change material: Put the mixture of palmitic alcohol, palmitic acid and lauric acid in a container, and use a constant temperature magnetic stirrer to mix the mixture at 2000r / min and 65°C in a water bath. After dissolving and stirring for 4 hours, a palmitic alcohol-palmitic acid-lauric acid phase change material was obtained. The mass percent of palmityl alcohol, palmitic acid and lauric acid in the palmitic alcohol-palmitic acid-lauric acid phase change material is 30:30:40.

[0045] (2) Add tetraethyl orthosilicate, absolute ethanol and deionized water into the beaker in sequence according to the above formula ratio, stir with a constant temperature magnetic stirrer at 1200r / min and 65°C water bath for 15min, and mix the obtained Stir the mixture at...

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Abstract

The invention discloses a temperature and humidity regulating composite material having the photocatalytic performance and a preparation method thereof and belongs to the technical fields of functional materials and building energy saving. The composite material is prepared from a TiO2 precursor, a dispersing agent, a solvent, a phase change material, a photocatalytic material and the like. The preparation method of the composite material includes the four steps that (1) preparation of hexadecanol-palmitic acid-lauric acid phase change material, (2) preparation of a SiO2 based hexadecanol-palmitic acid-lauric acid microcapsule temperature and humidity regulating material, (3) preparation of Eu-Ce / TiO2 photocatalytic material and (4) preparation of the temperature and humidity regulating composite material having the photocatalytic performance. The temperature and humidity regulating composite material can conduct photocatalytic degradation on formaldehyde gas and regulate indoor temperature and humidity in the presence of a visible light source and effectively improves the indoor environment comfort and the quality of indoor air, used heating and refrigeration devices, humidifiers and air purification devices are decreased, building energy consumption is reduced, and the temperature and humidity regulating composite material conforms to the development trend of national green ecological building materials.

Description

technical field [0001] The invention belongs to the technical field of functional materials and building energy saving, and in particular relates to a temperature-regulating and humidity-regulating composite material with photocatalytic performance and a preparation method thereof. Background technique [0002] The indoor environment is the space where 80% of the time of life is active, and its comfort is very important. A comfortable indoor environment can make people happy and energetic, stimulate creativity and improve work efficiency. Therefore, in order to meet people's requirements for indoor environment comfort, a large number of decorative materials and various active methods have been used for a long time, such as: wood-based panels to create a beautiful indoor space, heating and cooling equipment to adjust indoor temperature, humidifiers to control indoor humidity, etc. . However, relying on artificial heating, cooling, humidification and other equipment can provi...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B01J23/10C09K5/06B01D53/86B01D53/72
CPCY02P20/10
Inventor 张浩吴胜华宗志芳曹现雷刘秀玉
Owner 工大开元环保科技(安徽)股份有限公司
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