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Method for preparing polyaniline derivative-metal complex

A technology for metal complexes and aniline, which is applied in the field of preparation of polyaniline derivatives-metal complexes, can solve the problems of cumbersome preparation process, insufficient environmental protection and high operation cost, and achieves the effect of simple and easy method.

Inactive Publication Date: 2009-07-08
EAST CHINA UNIV OF SCI & TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] Although the prepared poly-N-[5-(8-hydroxyquinoline)methyl]aniline-aluminum (zinc) complex has good fluorescence properties, its preparation process is cumbersome, the operation cost is high and it is not environmentally friendly (need with large amounts of organic solvents)

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0020] Add 1.20 g of 5-[(anilino)methyl]-8-hydroxyquinoline and 15.9 g of aluminum sulfate into 38 ml of 1 mol / L sulfuric acid aqueous solution, and ultrasonically disperse for 20 minutes. Under the condition of continuous stirring, acidic aqueous solution containing ammonium persulfate (1.09g ammonium persulfate dissolved in 10ml 1mol / L sulfuric acid solution) was gradually added dropwise, the reaction time was controlled at 48 hours, and the reaction temperature was 25°C. After the reaction, the product was suction filtered with a Buchner funnel, washed with deionized water until the filtrate was neutral, and finally dried in a vacuum oven at 60°C to obtain dark green poly N-[5-(-8-hydroxyquinone Phenyl) methyl] aniline-aluminum complex powder. FTIR (KBr) shows that the main characteristic absorption peak (1000cm -1 ~1800cm -1 between) is similar to conductive polyaniline. Thanks Al 3+ Coordination with the phenolic hydroxyl group on the quinoline ring results in a 3200c...

Embodiment 2

[0022] Add 1.20 g of 5-[(anilino)methyl]-8-hydroxyquinoline and 15.9 g of aluminum sulfate into 38 ml of 1.5 mol / L sulfuric acid aqueous solution, and disperse by ultrasonic for 15 minutes. Under the condition of continuous stirring, gradually add dropwise the acidic aqueous solution containing ammonium persulfate (0.55g ammonium persulfate is dissolved in the sulfuric acid solution of 10ml 1.5mol / L), the dropping time is controlled at 10 minutes, and the reaction time is controlled at 56 hours , and the reaction temperature was 5°C. After the reaction, the product was suction filtered with a Buchner funnel, washed with deionized water until the filtrate was neutral, and finally dried in a vacuum oven at 50°C to obtain dark green poly N-[5-(-8-hydroxyquinone Phenyl) methyl] aniline-aluminum complex powder.

[0023] FTIR (KBr) shows that the main characteristic absorption peak (1000cm -1 ~1800cm -1 between) is similar to conductive polyaniline. Thanks Al 3+ Coordination wi...

Embodiment 3

[0025] Add 1.20g of 5-[(anilino)methyl]-8-hydroxyquinoline and 6.40g of aluminum sulfate into 38ml of 1mol / L sulfuric acid solution, and disperse by ultrasonic for 5 minutes. Under continuous stirring condition, gradually add dropwise the acidic aqueous solution (1.09g ammonium persulfate is dissolved in the sulfuric acid solution of 10ml 1mol / L) that contains ammonium persulfate, the time of dropping is controlled at 30 minutes, and the reaction time is controlled at 42 hours, the reaction The temperature is 20°C. After the reaction, the product was suction filtered with a Buchner funnel, washed with deionized water until the filtrate was neutral, and finally dried in a vacuum oven at 60°C to obtain dark green poly N-[5-(-8-hydroxyquinone Phenyl) methyl] aniline-aluminum complex powder.

[0026] FTIR (KBr) shows that the main characteristic absorption peak (1000cm -1 ~1800cm -1 between) is similar to conductive polyaniline. Thanks Al 3+ Coordination with the phenolic hyd...

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Abstract

The invention relates to a preparation method for poly-N-[5-(8-hydroxy-quinoline) methyl] aniline-metal complex. The preparation method mainly comprises the following steps: taking ammonium persulfate as oxidant in acidic aqueous solution containing metal ion to perform oxypolymerization on 5-[(anilino group) methyl]-8-hydroxy-quinoline monomer; moreover, obtaining the poly-N-[5-(8-hydroxy-quinoline) methyl] aniline-metal complex through direct coordination between the 5-[(anilino group) methyl]-8-hydroxy-quinoline monomer and metal ion. The invention provides the method used in direct preparation of fluorescence conductive poly-N-[5-(8-hydroxy-quinoline) methyl] aniline-metal complex in a water system. Moreover, the method is simple, energy-saving and environment-friendly.

Description

technical field [0001] The invention relates to a preparation method of a polyaniline derivative-metal complex, in particular to a preparation method of a poly-N-[5-(8-hydroxyquinoline)methyl]aniline-metal complex. Background technique [0002] Conductive polymers are one of the outstanding representatives of many functional polymers developed in the middle of the 20th century. Due to a series of unique physical and chemical properties, conductive polymers can be widely used in the development of multifunctional materials and devices. Among many conductive polymers, conductive polyaniline has the advantages of readily available raw materials, simple synthesis, and good environmental stability, so it has become one of the hotspots in the field of conductive polymer research. However, conductive polyaniline prepared by conventional chemical or electrochemical oxidation polymerization is insoluble and difficult to melt, and its processing performance is extremely poor, which gr...

Claims

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Application Information

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IPC IPC(8): C08G73/02C08L79/02C08K3/10C08K3/30
Inventor 李星玮潘仕荣王庚超庄弢张涵
Owner EAST CHINA UNIV OF SCI & TECH
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