Platanus fruit hair fiber as preparation tio 2 Application of Micron Hollow Tube Formwork

A sycamore, hollow tube technology, applied in nanotechnology, nanotechnology, chemical/physical processes, etc., to achieve excellent catalytic performance, high purity, and good stability.

Inactive Publication Date: 2017-07-11
CHANGAN UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Although micron science researchers have begun to pay attention to TiO 2 Research on microtubes, but there are still some problems to be solved in terms of its preparation process and structural analysis

Method used

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  • Platanus fruit hair fiber as preparation tio <sub>2</sub> Application of Micron Hollow Tube Formwork
  • Platanus fruit hair fiber as preparation tio <sub>2</sub> Application of Micron Hollow Tube Formwork
  • Platanus fruit hair fiber as preparation tio <sub>2</sub> Application of Micron Hollow Tube Formwork

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preparation example Construction

[0029] Utilize the characteristic of above-mentioned plane tree fruit hair fiber, the present invention has provided a kind of TiO 2 The preparation method of microtube, the steps are as follows:

[0030] Put the plantain fruit hair fiber into a beaker containing absolute ethanol and soak for 1-2 hours. Take out the fiber and transfer it to another container filled with n-butyl titanate, TiCl 4 or TiBr 4 in a beaker, and stirred, so that the fibers fully contact with n-butyl titanate, TiCl 4 or TiBr 4 , and then let stand for 1-2 hours.

[0031] Take out from the beaker and soak in n-butyl titanate, TiCl 4 or TiBr 4 Put the fibers in the mixture into a beaker containing distilled water, and a white precipitate will be produced immediately. After stirring, let it stand for 1-2 hours, so that the reaction can fully proceed.

[0032] Take out the fiber, wash it 3 times with distilled water, and put it into an oven to dry. Calcinate the sample at 450-550°C for 2-3 hours in...

Embodiment 1

[0037] Wash the sycamore fiber with deionized water and ethanol, put the fiber in an oven at 60°C, and dry it. Weigh 0.5g fiber with an electronic balance, put it into a beaker containing absolute ethanol, and soak for 1 hour. The fibers were taken out, transferred to another beaker filled with n-butyl titanate, and stirred so that the fibers fully contacted with n-butyl titanate, and then left to stand for 2 hours. Take out the fiber soaked in n-butyl titanate from the beaker, put it into a beaker containing distilled water, a white precipitate is formed immediately, stir and let it stand for 2 hours to make the reaction fully proceed. The fibers were taken out, washed 3 times with distilled water, and dried in an oven. The sample was calcined in a muffle furnace at 500 °C for 2 hours to remove the fibers and obtain the desired TiO 2 micron tube.

[0038] In this embodiment, the syringa fruit hair fiber is used as a biological template, and its appearance is as follows: ...

Embodiment 2

[0044] Wash the sycamore fiber with deionized water and ethanol, put the fiber in an oven at 60°C, and dry it. Weigh 0.5g fiber with an electronic balance, put it into a beaker containing absolute ethanol, and soak for 1 hour. Take out the fiber, transfer to another filled with TiCl 4 in the beaker, and stir to make the fibers fully contact with TiCl 4 , and then let stand for 2 hours. Remove from beaker and soak in TiCl 4 The fibers in the mixture were put into a beaker containing distilled water, and a white precipitate was produced immediately. After stirring, it was left to stand for 2 hours to allow the reaction to fully proceed. The fibers were taken out, washed 3 times with distilled water, and dried in an oven. The sample was calcined in a muffle furnace at 500 °C for 2 hours to remove the fibers and obtain the desired TiO 2 micron tube.

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Abstract

The invention discloses application for planetree fruit hair fiber used as a template for preparation of a TiO2 micron hollow tube. According to the invention, the TiO2 micron hollow tube is prepared by using the planetree fruit hair fiber as the template through a sol-gel method; the method prepares the TiO2 micron hollow tube with higher yield and high purity, does not need to adjust a pH value and avoids precise control on solution concentration in a traditional method; the TiO2 micron tube prepared by using the method in the invention well maintains tubular morphology of the planetree fruit hair fiber, has a hollow structure and large specific surface area, can provide huge adsorption and reaction areas in photocatalytic reaction, and has excellent degradation effects on complex organic molecules like tetracycline.

Description

technical field [0001] The invention belongs to the technical field of preparation of photocatalytic materials, and in particular relates to a syringa fruit hair fiber as a preparation method for TiO 2 Application of micron hollow tube formwork. Background technique [0002] Among many photocatalytic materials, TiO 2 It has the advantages of strong oxidation ability, stable chemical performance and low price, and is considered to be the most practical photocatalyst. In recent years, there have been a lot of research on micro-nano TiO 2 Preparation and performance research of materials, among them, TiO with hollow structure 2 The micron hollow tube has a large specific surface area, which can provide a huge adsorption and reaction area in the photocatalytic reaction, and has an excellent removal effect on complex organic molecules such as tetracycline. [0003] Noble metal deposition is a way to improve TiO 2 An important method for photoelectric performance, multiple st...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B01J23/50C01G23/047B82Y30/00
Inventor 杨莉李旭汪子儒苟海刚
Owner CHANGAN UNIV
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