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Polyaniline derivative and preparation method thereof

A derivative, polyaniline technology, applied in the field of polyaniline derivative materials and their preparation, can solve the problems such as Chinese patents and documents of aniline/o-ethoxyaniline that have not yet been seen

Inactive Publication Date: 2012-10-31
NORTHWESTERN POLYTECHNICAL UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] The present invention relates to a preparation method of aniline / o-ethoxyaniline copolymers in different ratios. Currently, there are no Chinese patents and documents related to aniline / o-ethoxyaniline copolymerization

Method used

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  • Polyaniline derivative and preparation method thereof
  • Polyaniline derivative and preparation method thereof
  • Polyaniline derivative and preparation method thereof

Examples

Experimental program
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Effect test

Embodiment 1

[0020] Embodiment 1: 1., be that -0.08Mpa~-0.07Mpa temperature is 110 ℃~120 ℃ underpressure distillation aniline and o-ethoxyaniline monomer with vacuum pump at pressure to obtain pure o-ethoxyaniline and aniline, Standby; ②, according to the aniline: o-ethoxyaniline ratio of 1:0 (mass ratio), add 0.03mol aniline and 2.5ml concentrated hydrochloric acid in a 100ml small beaker, then add deionized water to dilute to 30ml, put it Put the beaker and the water bath into the cell pulverizer in an ice-water bath at 0°C, insert the ultrasonic rod about 1cm away from the bottom of the beaker, and ultrasonicate for half an hour to mix the aniline and o-ethoxyaniline evenly; The concentrations of ammonium sulfate and hydrochloric acid are both 1mol / L. Slowly stir the oxidant solution evenly and then slowly drop it into the monomer solution. The whole reaction lasts for about 2 hours; ④. After the reaction is completed, put the reaction solution in the refrigerator for 24 hours ; ⑤, take...

Embodiment 2

[0021] Embodiment 2: 1., be that -0.08Mpa~-0.07Mpa temperature is 110 ℃~120 ℃ underpressure distillation aniline and o-ethoxyaniline monomer with vacuum pump at pressure to obtain pure o-ethoxyaniline and aniline, Standby; ②, according to aniline: o-ethoxyaniline 1:0.15 (mass ratio), add 0.03mol aniline and 0.0045mol o-ethoxyaniline and 2.5ml concentrated hydrochloric acid in a 100ml small beaker and then add deionized Dilute it with water to 30ml, put it in an ice-water bath at 0°C, put the beaker and water bath into the cell pulverizer, insert the ultrasonic rod about 1cm away from the bottom of the beaker, and ultrasonicate for half an hour to mix the aniline and o-ethoxyaniline evenly; ③. Configure 30ml of oxidant solution, in which the concentrations of ammonium persulfate and hydrochloric acid are both 1mol / L. Slowly stir the oxidant solution evenly and then slowly drop it into the monomer solution. The whole reaction lasts for about 2 hours; ④. After the reaction is comp...

Embodiment 3

[0022] Embodiment 3: 1., be that -0.08Mpa~-0.07Mpa temperature is 110 ℃~120 ℃ underpressure distillation aniline and o-ethoxyaniline monomer with vacuum pump at pressure and obtain pure o-ethoxyaniline and aniline, Standby; ②, according to the ratio of aniline: o-ethoxyaniline 1:0.3 (mass ratio), add 0.03mol aniline and 0.009mol o-ethoxyaniline and 2.5ml concentrated hydrochloric acid into a 100ml small beaker and then add deionized Dilute it with water to 30ml, put it in an ice-water bath at 0°C, put the beaker and water bath into the cell pulverizer, insert the ultrasonic rod about 1cm away from the bottom of the beaker, and ultrasonicate for half an hour to mix the aniline and o-ethoxyaniline evenly; ③. Configure 30ml of oxidant solution, in which the concentrations of ammonium persulfate and hydrochloric acid are both 1mol / L. Slowly stir the oxidant solution evenly and then slowly drop it into the monomer solution. The whole reaction lasts for about 2 hours; ④. After the re...

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Abstract

The invention relates to a polyaniline derivative and a preparation method thereof. The polyaniline derivative is characterized in that the components of the raw material comprise monomer aniline and monomer o-phenetidine, between which the quantity relative ratio is (0-1):(0-2). The preparation method comprises the following steps: achieving reduced pressure distillation of both the aniline and the o-phenetidine through a vacuum pump to obtain purified monomer aniline and monomer o-phenetidine; mixing the monomer aniline and the monomer o-phenetidine in proportion, adding deionized water into the mixture for dilution and then performing ultrasonography for half an hour; and dropping oxidant solution into the diluted mixture, pickling and leaching through dilute hydrochloric acid after reaction, then washing and leaching till the filtrate is colorless to obtain polymer powder, and drying the polymer powder in room temperature to obtain the polyaniline derivative. The invention has the benefits that on one hand, regulation and control of the electric conductivity of polyaniline are carried out in different orders of magnitudes, and on the other hand, the solubility of the polymer in different solvents is improved. The polyaniline derivative prepared by the method can be used for manufacturing electrochromic films with moderate electric conductivity, wide color change interval, long cycle time and high-speed response.

Description

technical field [0001] The invention relates to a polyaniline derivative material and a preparation method thereof, specifically a preparation method of aniline / o-ethoxyaniline copolymers in different proportions, and discusses the conductivity of the copolymer and its conductivity in several media. Solubility. Background technique [0002] In recent years, conductive polymers have attracted much attention due to their unique electrical properties, such as: rechargeable batteries, sensors, electromagnetic shielding materials, electrochromic display devices, smart windows, molecular devices, energy storage Systems and so on have sprung up. As one of the earliest researched conductive polymers, polyaniline has been relatively mature, but it still has disadvantages such as poor solubility and unsatisfactory processability. Most of these substituent polyanilines are introduced to increase the solubility of polyaniline, thereby improving its processing performance. Experiments...

Claims

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Application Information

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IPC IPC(8): C08G73/02
Inventor 黄英张伟吴海伟齐暑华王娜刘哲张莹王岩何倩
Owner NORTHWESTERN POLYTECHNICAL UNIV
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