Method for preparing zirconia nanofiber by utilizing electrospinning technology and product prepared by same

An electrospinning technology and nanofiber technology, applied in the field of inorganic oxide fibers, can solve the problems affecting product performance and quality, complicated spinning solution preparation steps, and high raw material cost, improve performance and quality, and solve residual chloride ions. effect, the effect of simplifying the preparation steps

Active Publication Date: 2015-12-09
江西赛瓷材料有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0004] The purpose of the present invention is to overcome the deficiencies of the prior art, to provide a method for preparing zirconia nanofibers by using zirconia suspension as spinning solution and adopting electrospinning technology, so as to solve the problem of using zirconium salt as the spinning solution in the existing electrospinning technology. The high cost of raw materials brought about by the fiber precursor, the cumbersome preparation steps of the spinning solution, and the serious impact on product performance and quality, thus promoting the development and application of zirconia fiber technology

Method used

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  • Method for preparing zirconia nanofiber by utilizing electrospinning technology and product prepared by same
  • Method for preparing zirconia nanofiber by utilizing electrospinning technology and product prepared by same
  • Method for preparing zirconia nanofiber by utilizing electrospinning technology and product prepared by same

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Embodiment 1

[0026] In this embodiment, a method for preparing zirconia nanofibers by electrospinning technology, the steps are as follows:

[0027] (1) Add yttrium-stabilized zirconia nanopowder in deionized water, and add polyethylene glycol (PEG), stir and mix under ultrasonic conditions and adjust the pH value of the system to 3.5 to obtain a nano-zirconia suspension; nano-zirconia The content of the yttrium-stabilized zirconia nanopowder in the suspension is 8wt%, and the amount of polyethylene glycol added is 2.5wt% of the yttrium-stabilized zirconia nanopowder;

[0028] (2) Add polyethylene oxide to the nano-zirconia suspension, stir for 24 hours to adjust the viscosity of the suspension to 1200mPa·s, and obtain an electrospinning solution;

[0029] (3) Pump the electrospinning solution into a syringe with a stainless steel needle, and perform electrospinning at a temperature of 25°C, a spinning solution ejection speed of 2.2ml / h, an applied electric field strength of 12kV, and a sp...

Embodiment 2

[0033] In this embodiment, a method for preparing zirconia nanofibers by electrospinning technology, the steps are as follows:

[0034] (1) Add magnesium-stabilized zirconia nanopowder in deionized water, and add polyethylene glycol (PEG), stir and mix under ultrasonic conditions and adjust the pH value of the system to 1.5 to obtain nano-zirconia suspension; nano-zirconia The content of the magnesium-stabilized zirconia nanopowder in the suspension is 5wt%, and the amount of polyethylene glycol added is 2.5wt% of the magnesium-stabilized zirconia nanopowder;

[0035] (2) adding dimethylamide to the nano-zirconia suspension, stirring for 24 hours to adjust the viscosity of the suspension to 1800mPa·s to obtain an electrospinning solution;

[0036] (3) Pump the electrospinning solution into a syringe with a stainless steel needle, and perform electrospinning at a temperature of 20°C, a spinning solution ejection speed of 1.0ml / h, an applied electric field strength of 30kV, and ...

Embodiment 3

[0039] In this embodiment, a method for preparing zirconia nanofibers by electrospinning technology, the steps are as follows:

[0040] (1) Add scandium-stabilized zirconia nanopowder in deionized water, and add polyethylene glycol (PEG), stir and mix under ultrasonic conditions and adjust the pH value of the system to 2.0 to obtain nano-zirconia suspension; nano-zirconia The content of the scandium-stabilized zirconia nanopowder in the suspension is 17wt%, and the amount of polyethylene glycol added is 2.5wt% of the scandium-stabilized zirconia nanopowder;

[0041] (2) adding polylactic acid to the nano-zirconia suspension, stirring for 24 hours to adjust the viscosity of the suspension to 1000mPa·s, to obtain an electrospinning solution;

[0042] (3) Pump the electrospinning solution into a syringe with a stainless steel needle, and perform electrospinning at a temperature of 30°C, a spinning solution ejection speed of 4.0ml / h, an applied electric field strength of 10kV, and...

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Abstract

The invention discloses a method for preparing a zirconia nanofiber by utilizing an electrospinning technology. Zirconia suspension serves as a spinning solution raw material, and after polymer modification, a zirconia fiber precursor is obtained through electrospinning; and then the zirconia fiber precursor undergoes rubber discharging and calcinations to obtain the zirconia nanofiber. In addition, a product prepared by utilizing the preparation method is further disclosed. According to the method for preparing the zirconia nanofiber by utilizing the electrospinning technology, the problems that the raw material cost is high, the spinning solution preparation steps are complex and the product performance and quality are affected severely due to the fact that zirconium salt serves as a fiber precursor in the prior art are solved, and the development and application of the zirconia fiber technology are promoted.

Description

technical field [0001] The invention relates to the technical field of inorganic oxide fibers, in particular to a method for preparing zirconia nanofibers and a product thereof. Background technique [0002] Zirconia ceramic fiber has many characteristics such as high melting point, low thermal conductivity, stable redox performance, and good biocompatibility. application. Due to the high melting point and low melt viscosity of zirconia, it is not suitable to use the fusion method for the preparation of zirconia fibers. At present, the main preparation methods of zirconia fibers are: solution impregnation method, sol-gel method, blend spinning method, electrospinning method, etc. Among them, the electrospinning method has the characteristics of simplicity and high efficiency, high product quality, stable performance, and easy industrialization, which has attracted widespread interest and attention. [0003] In the electrospinning method used in the prior art, zirconium sa...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): D01D1/02D01D5/00D01F9/08
Inventor 刘琪刘志胡礼军毛翔鹏
Owner 江西赛瓷材料有限公司
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