Biomimetic catalytic carbon fiber and preparation method thereof

A biomimetic catalytic carbon and carbon fiber technology, which is applied in the fields of materials, chemistry and chemical industry, can solve the problems of affecting the catalytic performance of catalysts, complex preparation routes, unfavorable electron transport, etc., and achieve good application prospects, good chemical stability and simple process.

Inactive Publication Date: 2015-05-13
ZHEJIANG SCI-TECH UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, the preparation routes of most supported metal phthalocyanines are still relatively complicated, and the stability of their solvent resistance and high temperature resistance needs to be further improved.
In addition, the general covalent grafting loading method is not conducive to the transport of electrons, which affects the catalytic performance of the catalyst.

Method used

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  • Biomimetic catalytic carbon fiber and preparation method thereof
  • Biomimetic catalytic carbon fiber and preparation method thereof
  • Biomimetic catalytic carbon fiber and preparation method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0024] A kind of preparation method of biomimetic catalytic carbon fiber, its concrete steps are:

[0025] Weigh 0.5g of 4-aminopyridine and fully dissolve it in dimethyl sulfoxide, ultrasonically dissolve it and add it into the dimethyl sulfoxide solution containing 1.0g of carbon fiber, stir vigorously in an oil bath at 60°C until the temperature rises to 60°C Then add the condensing agent isoamyl nitrite dropwise, react at 60°C for 48 hours, and finally remove the reaction solution, take out the carbon fibers loaded with pyridine groups, and wash them repeatedly with N,N-dimethylformamide, water, and ethanol. Dry at 80°C to obtain modified carbon fibers containing pyridine groups; then, at a reaction temperature of 40°C, disperse the modified carbon fibers and 0.01 g of unsubstituted cobalt phthalocyanine in tetrahydrofuran, mix thoroughly, and stir for 48 hours, after the reaction was completed, the carbon fiber loaded with cobalt phthalocyanine was taken out, washed with ...

Embodiment 2

[0027] A kind of preparation method of biomimetic catalytic carbon fiber, its concrete steps are:

[0028]Weigh 4.5g of 4-aminopyridine and fully dissolve it in N,N-dimethylformamide, ultrasonically dissolve it, add it to N,N-dimethylformamide containing 2.4g of carbon fiber, stir vigorously in an oil bath at 60°C After the temperature rises to 60°C, add the condensing agent isoamyl nitrite dropwise, react at 60°C for 48 hours, and finally remove the reaction solution, take out the modified carbon fiber containing pyridine groups, and use N,N-dimethyl formaldehyde Amide, water, and ethanol were washed repeatedly, and dried at 90°C to obtain modified carbon fibers; then, at a reaction temperature of 80°C, the modified carbon fibers and 0.45 g of tetranitronickel phthalocyanine were dispersed in N-methylpyrrolidone , fully mixed, stirred and reacted for 24 hours. After the reaction was completed, the carbon fiber loaded with nickel phthalocyanine was taken out, washed with N-met...

Embodiment 3

[0030] A kind of preparation method of biomimetic catalytic carbon fiber, its concrete steps are:

[0031] Weigh 5.0g of 4-aminopyridine and fully dissolve it in dimethyl sulfoxide. After ultrasonic dissolution, add it to the dimethyl sulfoxide solution containing 5.0g of carbon fiber. Stir vigorously in an oil bath at 85°C until the temperature rises to 85°C Then add the condensing agent isoamyl nitrite dropwise, react at 85°C for 24 hours, finally remove the reaction solution, take out the modified carbon fiber containing pyridine groups, and wash it repeatedly with N,N-dimethylformamide, water and ethanol , and dried at 100°C to obtain modified carbon fiber; then, under the condition of reaction temperature of 65°C, respectively, the modified carbon fiber and 5.0 g of unsubstituted iron phthalocyanine were dispersed in tetrahydrofuran, mixed thoroughly, stirred and refluxed for 15 hours, and the reaction After the completion, the carbon fiber loaded with iron phthalocyanine...

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Abstract

The invention relates to a biomimetic catalytic carbon fiber and a preparation method thereof. The biomimetic catalytic carbon fiber is formed by combining a modified carbon fiber containing a pyridine group and metal phthalocyanine in a coordination bond way. The preparation method of the biomimetic catalytic carbon fiber comprises the following steps: dispersing a carbon fiber into a solvent under the condition that the reaction temperature is 60-100 DEG C, adding 4-aminopyridine and a condensing agent fully dissolved in the solvent, stirring and reacting for 2-48 hours, taking out the modified carbon fiber containing the pyridine group after the completion of reaction, respectively washing with a reaction solvent, N,N-dimethyl formamide, water and ethanol and drying at a temperature of 80-100 DEG C to obtain the modified carbon fiber; successively dispersing the modified carbon fiber in the solvent at a reaction temperature of 40-80 DEG C, adding metal phthalocyanine fully dissolved in the solvent, stirring and reacting for 2-48 hours, taking out the carbon fiber loaded with the metal phthalocyanine after the completion of reaction, washing with the reaction solvent, the N,N-dimethyl formamide, the water and the ethanol and drying at a temperature of 80-100 DEG C to obtain the biomimetic catalytic carbon fiber.

Description

technical field [0001] The invention relates to a carbon fiber and a preparation method thereof, in particular to a bionic catalytic carbon fiber and a preparation method thereof, belonging to the technical fields of materials, chemistry and chemical industry. Background technique [0002] Metal phthalocyanine is a π-electron conjugated macrocyclic compound composed of imine bridges connecting four symmetrical isoindole units. The central metal ion can be a variety of metal elements in the periodic table of elements. The benzene ring on the periphery of the phthalocyanine molecule A variety of substituents can be introduced, and metal phthalocyanines can also be polymerized by sharing one or more benzene rings to form monometallic or polymetallic polyphthalocyanines. Its structure has the following characteristics: (1) aromatic π electrons are conjugated on the entire phthalocyanine ring, and the conjugated macromolecule presents a high degree of planarity, and the catalytic...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B01J31/22B01J35/06
Inventor 梁苏亮吕汪洋吴臣仁葛鹏飞潘鑫吴晟陈文兴
Owner ZHEJIANG SCI-TECH UNIV
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