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Poly3-carboxythiophene/thiophene intercalated hydrotalcite composites and its preparation process

A composite material and a preparation process technology are applied in the field of poly-3-carboxythiophene/thiophene intercalated hydrotalcite composite material and its preparation, and achieve the effects of low price, environmental protection and non-toxicity of materials, and high mechanical strength

Inactive Publication Date: 2018-08-14
ZIBO VOCATIONAL INST
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] At present, there are no literature and patent reports on the preparation of poly-3-carboxythiophene / thiophene conjugated polymer intercalated hydrotalcite by interlayer in-situ polymerization at home and abroad

Method used

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  • Poly3-carboxythiophene/thiophene intercalated hydrotalcite composites and its preparation process
  • Poly3-carboxythiophene/thiophene intercalated hydrotalcite composites and its preparation process
  • Poly3-carboxythiophene/thiophene intercalated hydrotalcite composites and its preparation process

Examples

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Effect test

Embodiment 1

[0042] The preparation technology of poly-3-carboxythiophene / thiophene intercalated hydrotalcite composite material, the steps are as follows:

[0043] (1) Weigh 17.8g Zn(NO 3 ) 2 ·6H 2 O and 11.3g Al(NO 3 ) 3 9H 2 O dissolved in 100mL to remove CO 2 Mixed salt solution was prepared in deionized water, and another 5.6g NaOH was weighed and dissolved in 50mL to remove CO 2 deionized water, at room temperature N 2 Under protection, the mixed salt solution and NaOH solution were added to the four-necked flask by double-drop method for vigorous stirring, and then the pH value was adjusted to 7 with 0.1mol / L NaOH solution, and the resulting slurry was crystallized at 60°C for 72h. The product was placed in a centrifuge, centrifuged at a speed of 2500r / min for 5min, and then used to remove CO 2 Wash with deionized water until the washing solution is neutral, and then dry it at 50°C for 48 hours to obtain the hydrotalcite precursor ZnAl-NO 3 -LDHs, where Zn 2+ with Al 3+ T...

Embodiment 2

[0052] The preparation technology of poly-3-carboxythiophene / thiophene intercalated hydrotalcite composite material, the steps are as follows:

[0053] (1) Weigh 15.4g Mg(NO 3 ) 2 ·6H 2 O and 11.3g Al(NO 3 ) 3 9H 2 O dissolved in 100mL to remove CO 2 Mixed salt solution was prepared in deionized water, and another 5.6g NaOH was weighed and dissolved in 50mL to remove CO 2 deionized water, at room temperature N 2 Under protection, the mixed salt solution and NaOH solution were added to the four-necked flask by double-drop method for vigorous stirring, and then the pH value was adjusted to 10 with 5.0mol / L NaOH solution, and the resulting slurry was crystallized at 90°C for 12 hours. The product was placed in a centrifuge, centrifuged at a speed of 3500r / min for 3min, and then used to remove CO 2 Wash with deionized water until the washing solution is neutral, and then dry it at 90°C for 20 hours to obtain the hydrotalcite precursor MgAl-NO 3 -LDHs, where Mg 2+ with Al...

Embodiment 3

[0062] The preparation technology of poly-3-carboxythiophene / thiophene intercalated hydrotalcite composite material, the steps are as follows:

[0063] (1) Weigh 26.7g Zn(NO 3 ) 2 ·6H 2 O and 11.3g Al(NO 3 ) 3 9H 2 O dissolved in 100mL to remove CO 2 Mixed salt solution was prepared in deionized water, and another 5.6g NaOH was weighed and dissolved in 50mL to remove CO 2 of deionized water, at room temperature N 2 Under protection, the mixed salt solution and NaOH solution were added to the four-necked flask by double-drop method for vigorous stirring, and then the pH value was adjusted to 7 with 1.0mol / L NaOH solution, and the resulting slurry was crystallized at 70°C for 48 hours. The product was placed in a centrifuge, centrifuged at a speed of 3000r / min for 4min, and then used to remove CO 2 Wash with deionized water until the washing solution is neutral, and then dry it at 70°C for 36 hours to obtain the hydrotalcite precursor ZnAl-NO 3 -LDHs, where Zn 2+ with ...

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Abstract

The invention relates to a poly 3-carboxylic thiophene / thiophene intercalation hydrotalcite composite material and preparation technology thereof, and belongs to the technical field of organic-inorganic composite materials. The chemical formula of the material is [(M2+)1-x(M3+)x(OH)2]x+(PTHC / TH)n-x / n*mH2O, wherein x=0.25-0.33, n=5-35, m=2-4, m serves as the quantity of interlamination crystal water molecules, and the PTHC / TH is poly 3-carboxylic thiophene / thiophene. The preparation technology includes the steps: firstly, preparing hydrotalcite precursor; secondly, intercalating 3-carboxylic thiophene into the hydrotalcite; finally, polymerizing the 3-carboxylic thiophene and the thiophene in situ between hydrotalcite layers. The composite material is high in mechanical strength, resistant to high temperature, corrosive gas and acid alkaline, and has excellent application prospects in the field of capacitors, energy sources, novel batteries and the like.

Description

technical field [0001] The invention relates to a poly-3-carboxythiophene / thiophene intercalated hydrotalcite composite material and a preparation process thereof, belonging to the technical field of organic-inorganic composite materials. Background technique [0002] Conductive polymers are a class of polymers with conjugated structures, and their conductivity levels can reach semiconductor levels or even metal levels, so they have good application prospects in capacitors, energy, metal anticorrosion, and biosensors. Polythiophene and its derivatives are an important class of organic conjugated polymer functional materials, and because of their good stability, processability and conductivity, they can be used as conductive materials, light-emitting diode materials, electromagnetic shielding materials , display materials, microwave absorbing materials and new memory materials, etc. After years of development, polythiophene has played an increasingly important role in the in...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C08G61/12C08K9/04C08K9/02C08K3/26
CPCC08G61/126C08G2261/12C08G2261/18C08G2261/3223C08G2261/51C08K3/26C08K9/02C08K9/04
Inventor 刘晓磊
Owner ZIBO VOCATIONAL INST
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