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Preparation method of zirconium carbide micro-nanofibers

A technology of micro-nano fiber and zirconium carbide, which is applied in fiber processing, fiber chemical characteristics, textiles and papermaking, etc., can solve the problems of complicated steps and long preparation cycle, and achieve the effect of low cost, simple preparation process and easy-to-obtain raw materials

Active Publication Date: 2015-10-21
安徽恒硕纺织品有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0006] The purpose of the present invention is to provide a method for preparing zirconium carbide micro-nano fibers, which solves the shortcomings of existing zirconium carbide ceramic material preparation methods, such as complicated steps, long preparation period, and powder.

Method used

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  • Preparation method of zirconium carbide micro-nanofibers
  • Preparation method of zirconium carbide micro-nanofibers
  • Preparation method of zirconium carbide micro-nanofibers

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0025] A kind of preparation method of zirconium carbide micro-nano fiber provided by the present invention, the specific operation steps are as follows:

[0026] Step 1, select raw materials

[0027] Take by weighing 1.17g sucrose and 4ml n-propoxide zirconium as carbon source and zirconium source respectively, 10ml of N,N-dimethylformamide (abbreviated as DMF) and 4ml absolute ethanol as solvent, 2.5ml glacial acetic acid as chelating agent, 1.008g polyvinylpyrrolidone (PVP for short) is used as spinning aid.

[0028] Step 2, configure the spinning solution

[0029] Add 1.17g of sucrose weighed in step 1 to 10ml of DMF solution, heat in a water bath at 80°C for 20min to obtain solution A; add 4ml of zirconium n-propoxide to 4ml of absolute ethanol, and add 2.5ml of glacial acetic acid to obtain solution B, then Mix solution A and solution B, finally add 1.008g of PVP and stir evenly to obtain spinning solution.

[0030] Step 3, Electrospinning

[0031] The spinning solut...

Embodiment 2

[0035] The preparation method of another zirconium carbide micro-nano fiber provided by the present invention, the specific operation steps are as follows:

[0036] Step 1, select raw materials

[0037] Weigh 1.18g of glucose and 4ml of zirconium n-propoxide as carbon source and zirconium source respectively, 10ml of DMF and 4ml of absolute ethanol as solvent, 2.5ml of glacial acetic acid as chelating agent, and 1.261g of PVP as spinning aid.

[0038] Step 2, configure the spinning solution

[0039] Add 1.18g of glucose weighed in step 1 to 10ml of DMF solution, heat in a water bath at 70°C for 30min to obtain solution A; add 4ml of zirconium n-propoxide to 4ml of absolute ethanol, and add 2.5ml of glacial acetic acid to obtain solution B, and dissolve solution A Mix with melt B, finally add 1.261g of PVP and stir evenly to obtain spinning solution.

[0040] Step 3, Electrospinning

[0041] The spinning solution obtained in step 2 is electrospun using standard electrospinni...

Embodiment 3

[0045] The preparation method of another zirconium carbide micro-nano fiber provided by the present invention, the specific operation steps are as follows:

[0046] Step 1, select raw materials

[0047] Weigh 0.814g of sucrose and 2.0g of zirconium oxychloride as carbon source and zirconium source respectively, 10ml of DMF and 4ml of absolute ethanol as solvent, 2.0ml of glacial acetic acid as chelating agent, and 1.261g of PVP as spinning aid.

[0048] Step 2, configure the spinning solution

[0049] Add 0.814g of sucrose weighed in step 1 into 10ml of DMF solution, heat in a water bath at 70°C for 30min to obtain solution A; dissolve 2.0g of zirconium oxychloride in 4ml of absolute ethanol, and add 2.0ml of glacial acetic acid to obtain solution B, and After solution A and melt B are mixed, 1.261g of PVP is finally added and stirred evenly to obtain a spinning solution.

[0050] Step 3, Electrospinning

[0051]The spinning solution obtained in step 2 is electrospun using ...

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Abstract

The invention discloses a preparation method of zirconium carbide micro-nanofibers. The method comprises the steps that raw materials are selected and prepared into spinning solutions, precursor fibers are obtained through electrostatic spinning, and the zirconium carbide micro-nanofibers are obtained through heat treatment at last. According to the preparation method of the zirconium carbide micro-nanofibers, the defects that for an existing zirconium carbide ceramic material preparation method, the steps are complex, the preparation period is long, and prepared products are powder are overcome. According to the preparation method of the zirconium carbide micro-nanofibers, the zirconium carbide micro-nanofibers are prepared through an electrostatic spinning method, the zirconium carbide micro-nanofibers with different forms can be obtained by controlling spinning parameters and the sintering temperature, the raw materials are easy to obtain, the cost is low, the preparation technology is simple, and the preparation method of the zirconium carbide micro-nanofibers has wide application prospect in the fields of textiles, electronics, coatings, heat preservation and thermal insulation, aerospace and the like.

Description

technical field [0001] The invention belongs to the technical field of preparation of ceramic nanofiber materials, and in particular relates to a preparation method of zirconium carbide micronanofibers. Background technique [0002] Zirconium carbide is a typical type of ultra-high temperature ceramics. It combines the characteristics of metal and ceramics, and has excellent properties such as high melting point, high hardness, small thermal neutron absorption interface and good radiation resistance. In addition, zirconium carbide also has good thermal conductivity and electrical conductivity, and its electrical conductivity is equivalent to that of metals. Therefore, zirconium carbide has broad application prospects in the fields of high-temperature structural materials, superhard tool materials, microelectronic materials, and nuclear energy storage materials. [0003] The traditional methods for preparing zirconium carbide ceramics mainly include: direct synthesis, mechan...

Claims

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Application Information

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IPC IPC(8): D01F9/10D01D5/00D01D10/02C04B35/56
Inventor 赵康黄烜汤玉斐
Owner 安徽恒硕纺织品有限公司
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