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A kind of preparation method and application of diphenylamine sulfonate intercalation hydrotalcite material

A technology of diphenylamine sulfonate and diphenylamine sulfonate, which is applied in the application fields of diphenylamine sulfonate intercalated hydrotalcite materials, redox color materials and electrochromic materials, and can solve the problems of unreported color change performance, etc. Achieving good redox reversibility

Active Publication Date: 2016-02-24
BEIJING UNIV OF CHEM TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

At present, there is no report on the introduction of diphenylamine sulfonate anion into the layered material hydrotalcite interlayer and its redox discoloration performance.

Method used

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  • A kind of preparation method and application of diphenylamine sulfonate intercalation hydrotalcite material
  • A kind of preparation method and application of diphenylamine sulfonate intercalation hydrotalcite material
  • A kind of preparation method and application of diphenylamine sulfonate intercalation hydrotalcite material

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Experimental program
Comparison scheme
Effect test

Embodiment 1

[0028] 1. Weigh 0.769gMg(NO 3 ) 2 ·6H 2 O, 0.563gAl(NO 3 ) 3 9H 2 O, 0.407g sodium diphenylamine sulfonate is dissolved in 50ml to remove CO 2 In deionized water, a mixed solution A, Mg 2+ / Al 3+ The molar ratio is 2:1, Mg 2+ The concentration is 0.06M, and the mixed solution is poured into a four-necked flask;

[0029] 2. Weigh 0.8g NaOH and dissolve in 40ml to remove CO 2 In deionized water, pass the NaOH solution through a constant pressure funnel, and slowly add it dropwise to the four-necked flask containing the mixed solution A until the pH value is 10 under the condition of nitrogen protection, and stir for 20 minutes to obtain the slurry B, which is transferred to 100ml The high-pressure reactor was placed in a 130°C oven for 24 hours;

[0030] 3. Use the reaction products to remove CO 2 , deionized water and ethanol and centrifuged and washed 6 times until the washing solution was colorless, and the filter cake obtained by centrifugation was vacuum-dried at...

Embodiment 2

[0034] 1. Weigh 0.769gMg(NO 3 ) 2 ·6H 2 O, 0.563gAl(NO 3 ) 3 9H 2 O, 0.407g sodium diphenylamine sulfonate is dissolved in 50ml to remove CO 2 In deionized water, a mixed solution A, Mg 2+ / Al 3+ The molar ratio is 2:1, Mg 2+ The concentration is 0.06M, and the mixed solution is poured into a four-necked flask;

[0035] 2. Weigh 0.8g NaOH and dissolve in 40ml to remove CO 2 In deionized water, pass the NaOH solution through a constant pressure funnel, and slowly add it dropwise to a four-neck flask containing solution A until the pH value is 9.5 under nitrogen protection, and stir for 40 minutes to obtain slurry B, which is transferred to a 100ml The high-pressure reactor was placed in an oven at 110°C for 20 hours;

[0036] 3. Use the reaction products to remove CO 2 , deionized water and ethanol, and centrifuged and washed 6 times until the washing solution was colorless, and the filter cake obtained by centrifugation was vacuum-dried at 60° C. for 6 hours to obta...

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Abstract

The invention discloses a preparation method of diphenylamine sulfonate intercalated hydrotalcite material which belongs to the technical field of preparation of inorganic and organic compound function materials, and application of the material serving as an oxidation-reduction discolored material and an electrochromic material. The technical scheme disclosed by the invention is as follows: the diphenylamine sulfonate intercalated hydrotalcite material which is uniformly dispersed in hydrotalcite layers is obtained by intercalation through a coprecipitation method by adopting a hydrothermal reaction and taking NaOH as an alkaline reagent. The material can fully utilize the space limited range effect of the hydrotalcite layers to immobilize an object, so that the material is used as the oxidation-reduction discolored material and the electrochromic material. The composite material oxidized or reduced is substantially unchanged in structure, and the cyclic voltammetry curve verifies that compared with pure diphenylamine sulfonate, the composite material has good oxidation-reduction reversibility and potential application value in the fields such as the oxidation-reduction discolored material and the electrochromic material.

Description

technical field [0001] The invention belongs to the technical field of preparation of inorganic-organic composite functional materials, and in particular provides a diphenylamine sulfonate intercalation hydrotalcite material, and its application as a redox color-changing material and an electrochromic material. Background technique [0002] Due to its wide application in electrochromic, display, military and other fields, electrochromic materials are considered to be one of the most promising smart materials. Polyaniline conductive polymer is one of the most typical electrochromic materials due to its advantages of easy processing, easy protonic acid doping, and rich color changes. The good stability and film-forming properties of organic / inorganic composite conductive polymer materials make them have great application prospects in electrochromic materials. Sodium diphenylamine sulfonate is a soluble aniline with good redox and water solubility. It is used as a redox indica...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C09K9/02
Inventor 陆军秦玉梅
Owner BEIJING UNIV OF CHEM TECH
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