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Method for one-step synthesis of aniline-aniline derivative copolymer-coated magnetic nanoparticles

A technology of magnetic nanoparticles and aniline derivatives, applied in the field of magnetic nanoparticles, can solve the problems of limiting electrical and magnetic properties of conductive polymers, achieve low raw material costs, improve electrical and magnetic properties, and simple preparation process Effect

Active Publication Date: 2019-05-28
XINGTAI UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, the functionalized conductive polymer prepared by the "one-step method" generally only has one monomer, aniline, pyrrole, thiophene, etc., and magnetic particles, which limits the further improvement of the electrical and magnetic properties of the electromagnetically functionalized conductive polymer.

Method used

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  • Method for one-step synthesis of aniline-aniline derivative copolymer-coated magnetic nanoparticles
  • Method for one-step synthesis of aniline-aniline derivative copolymer-coated magnetic nanoparticles

Examples

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Embodiment 1

[0033] This example relates to a one-step method for synthesizing magnetic nanoparticles coated with aniline-aniline derivative copolymer. Specifically, aniline and m-aminobenzenesulfonic acid were added into a certain amount of 10 mL of 1M ammonia water at a molar ratio of 1:1, and ultrasonically dispersed to form a white emulsion. Then the white emulsion was stirred in a water bath at 37°C at 300 rpm, and after constant temperature, 1.8 mmol of ferrous chloride aqueous solution was added thereto, and then 45 mmol of ferric chloride solution was added dropwise. The system was allowed to react with stirring for 12 h to obtain a black solid. The resulting black solid was filtered, washed with distilled water until neutral, washed with ethanol until colorless, and finally washed three times with ether and dried in vacuum to obtain Fe coated with aniline-m-aminobenzenesulfonic acid copolymer. 3 o 4 magnetic nanoparticles.

Embodiment 2

[0035] This example relates to a one-step method for synthesizing magnetic nanoparticles coated with aniline-aniline derivative copolymer. Specifically, aniline and m-aminobenzoic acid were added to a certain amount of 10 mL of 1M ammonia water at a molar ratio of 1:1, and ultrasonically dispersed to form a white emulsion. Then the white emulsion was stirred in a water bath at 37°C at 300 rpm, and after constant temperature, 1.8 mmol of ferrous chloride aqueous solution was added thereto, and then 45 mmol of ferric chloride solution was added dropwise. The system was allowed to react with stirring for 12 h to obtain a black solid. The resulting black solid was filtered, washed with distilled water until neutral, then washed with ethanol until colorless, and finally washed three times with ether and dried in vacuum to obtain Fe coated with aniline-m-aminobenzoic acid copolymer. 3 o 4 magnetic nanoparticles.

Embodiment 3

[0037] This example relates to a one-step method for synthesizing magnetic nanoparticles coated with aniline-aniline derivative copolymer. Specifically, aniline and o-methylaniline were added into a certain amount of 10 mL of 1M ammonia water at a molar ratio of 1:1, and ultrasonically dispersed to form a white emulsion. Then the white emulsion was stirred in a water bath at 37°C at 300 rpm, and after constant temperature, 1.8 mmol of ferrous chloride aqueous solution was added thereto, and then 45 mmol of ferric chloride solution was added dropwise. The system was allowed to react with stirring for 12 h to obtain a black solid. The resulting black solid was filtered, washed with distilled water until neutral, then washed with ethanol until colorless, and finally washed three times with ether and dried in vacuum to obtain Fe coated with aniline-o-methylaniline copolymer. 3 o 4 magnetic nanoparticles.

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Abstract

The invention relates to a one-step method of synthesizing phenylamine-phenylamine derivative copolymer coated magnetic nanoparticles. The invention also relates to the phenylamine-phenylamine derivative copolymer coated magnetic nanoparticles with excellent electric property and magnetic property. The method provided by the invention has the beneficial effects that (1) the defect that magnetic nanoparticles are hardly dispersed in a polymer is overcome, and the electric property and magnetic property of a copolymer-magnetic nanoparticle composite material are remarkably improved; and (2) the preparation process is simple, the cost of raw materials is low, and the method is quite suitable for industrialization.

Description

technical field [0001] The present invention relates to the field of polymer nanocomposites. Specifically, the present invention relates to a method for one-step synthesis of magnetic nanoparticles coated with aniline-aniline derivative copolymers, and aniline-aniline derivative copolymers with excellent electrical and magnetic properties synthesized by the one-step method coated magnetic nanoparticles. Background technique [0002] Polymer nanocomposites with both electrical and magnetic functions, compared with purely conductive polymers and magnetic materials, have special properties in optics, electricity and magnetism, so in microwave absorption, electromagnetic properties, electrochromic , energy storage and other fields have unlimited potential for development. [0003] Electromagnetically functionalized conductive polymers have attracted widespread attention of scientists in recent years. Synthetic methods may include "two-step method" and "one-step method". Wan ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C08G73/02C08K3/22
CPCC08G73/0266C08K3/22C08K2003/2275C08K2201/01C08K2201/011
Inventor 邢翠娟张志明董丽丽赵治巨赵哲
Owner XINGTAI UNIV
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