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Conductive polymer-intercalated hydrotalcite and method for preparing same

A conductive polymer and hydrotalcite technology, applied in the field of conductive polymer intercalated hydrotalcite and its preparation, conductive polymer intercalated hydrotalcite composite materials, can solve the problems of long-term, uncontrollable oxidation state of polymerization products, etc.

Inactive Publication Date: 2008-01-23
BEIJING UNIV OF CHEM TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

This method generally takes a long time (4-48 hours), and the interlayer polymerization reaction is affected by the mass transfer and diffusion of the oxidant, and the oxidation state of the polymerization product cannot be controlled.

Method used

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  • Conductive polymer-intercalated hydrotalcite and method for preparing same

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0027] A. Weigh a certain amount of Ni(NO 3 ) 2 .6H 2 O (19.4g, 0.066mol) and Al(NO 3 ) 3 .9H 2 O (12.5g, 0.033mol) was used to remove CO 2 Gas deionized water is configured into 1M salt solution, and placed in a 500ml four-necked flask;

[0028] B. Weigh a certain amount of NaOH (8.0g, 0.20mol) to remove CO 2 Deionized deionized water was used to make a 2M salt solution.

[0029] C. At room temperature N 2 Under the condition of air protection, NaOH (8.0g, 0.20mol) solution was added dropwise with a medical infusion set until the pH value of the system was 7, and when the pH value was stable, stop adding lye, and the titration reaction ended. Put the reaction solution in a water bath at 80°C for crystallization for 24 hours and then filter it with suction; remove CO with 2 Wash with deionized water; stop washing when the pH value of the filtrate is about 7, put it in an oven for drying treatment for 12 hours, and finally store it in a desiccator for later use.

[00...

Embodiment 2

[0034] A. Weigh a certain amount of Zn(NO 3 ) 2 .6H 2 O (19.8g, 0.066mol) and Al(NO 3 ) 3 .9H 2 O (12.5g, 0.033mol) was used to remove CO 2 Gas deionized water was configured into a 1M salt solution, which was placed in a 500ml four-neck flask.

[0035] B. Weigh a certain amount of NaOH (8.0g, 0.20mol) to remove CO 2 Deionized deionized water was used to make a 2M salt solution.

[0036] C. At room temperature N 2 Under the condition of air protection, NaOH (8.0 g, 0.20 mol) solution was added dropwise with a medical infusion set until the pH value of the system was 7.5. When the pH value was stable, the dripping of lye was stopped, and the titration reaction ended. Put the reaction solution in a water bath at 80°C for 24 hours to crystallize; then filter with suction; remove CO with 2 Wash with deionized water; stop washing when the pH value of the filtrate is about 7, put it in an oven for drying treatment for 12 hours, and finally store it in a desiccator for later...

Embodiment 3

[0041] A. Weigh a certain amount of Ni(NO 3 ) 2 .6H 2 O (19.4g, 0.066mol) and Al(NO 3 ) 3 .9H 2 O (12.5g, 0.033mol) was used to remove CO 2 Gas deionized water is configured into 1M salt solution, and placed in a 500ml four-necked flask;

[0042] B. Weigh a certain amount of NaOH (8.0g, 0.20mol) to remove CO 2 Deionized deionized water was used to make a 2M salt solution.

[0043] C. At room temperature N 2 Under the condition of air protection, NaOH (8.0 g, 0.20 mol) solution was added dropwise with a medical infusion set until the pH value of the system was 8. When the pH value was stable, stop adding lye, and the titration reaction ended. Put the reaction solution in a water bath at 80°C for crystallization for 24 hours and then filter it with suction; remove CO with 2 Wash with deionized water; stop washing when the pH value of the filtrate is about 7, put it in an oven for drying treatment for 12 hours, and finally store it in a desiccator for later use.

[0044...

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Abstract

The invention provides a conducting polymer intercalary hydrotalcite and its process for preparing, which belongs to the domain of organic - inorganic composite and its process for preparing. The conducting polymer intercalary hydrotalcite obtained by this invention has a supermolecular structure, the chemical formula of which is: (M2+)1-x(M3+)x(OH)2(CP)a. The process for preparing consists of first preparing nitrate radical hydrotalcite precursor used for ion exchange, then interposing the conducting polymer monomer with the hydrophilic side group and polymerized unit into the hydrotalcite interbed by an ion exchange process, finally, annealing the obtained mixtures in nitrogen atmosphere at the temperature of 280-320 DEG C for 10-30 minutes and obtaining the conducting polymer intercalary hydrotalcite. It is excellent in that it has carried out cointercalation between polymeric monomer and nitrate ion with stronger oxidability in hydrotalcite interlamination and prepared a pure onducting polymer intercalary hydrotalcite organic - inorganic composite by heat treatment of inert atmosphere.

Description

technical field [0001] The invention belongs to the technical field of organic-inorganic composite materials and their preparation, and in particular provides a conductive polymer-intercalated hydrotalcite and a preparation method thereof. A conductive polymer-intercalated hydrotalcite composite material is prepared by a method of presetting an oxidant. . Background technique [0002] Based on the precursor of hydrotalcite-like anionic layered structure, the interlayer assembly technology is used to introduce conductive polymer monomer species or polymerizable units into the interlayer to construct the interlayer structure, and then use heat, radiation or redox to initiate the interlayer structure. In-situ polymerization of monomers to obtain conductive polymer / hydrotalcite nanocomposites is currently a hot spot in the research and development of inorganic / organic composites. The anionic layered material host (Layered Double Hydroxides) and the conductive polymer guest (Con...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C08L101/12C08G73/02C08G61/12C08K3/34
Inventor 段雪卫敏田晓飞
Owner BEIJING UNIV OF CHEM TECH
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