Method for preparing intercalation nanocomposite material of polyaniline or polyaniline derivative, and inorganic clay by mechanochemical polymerization method
A technology of nanocomposite materials and aniline derivatives, which is applied in the field of intercalated nanocomposite materials, can solve the problems of difficulty in obtaining inorganic-organic compound, complex preparation process, etc., and achieves simple and easy preparation, simple process flow and high intercalation rate. Effect
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Embodiment 1
[0015] 1) Put the montmorillonite into a round-bottomed flask with a branch, vacuumize and fill with argon twice, add aniline equivalent to 0.05 times the weight of the montmorillonite with a syringe, and after magnetic stirring, coat the round-bottomed flask Tin foil paper, placed in the dark at room temperature for 24 hours to obtain a blended suspension;
[0016] 2) Grind the blended suspension with a mortar for 5 minutes, add ammonium persulfate, the molar ratio of ammonium persulfate and aniline is 1:10, during the grinding process, cover the mortar with a funnel, and argon gas flows through one end of the funnel, continue Grind for 0.5 hours until it becomes completely purple-black;
[0017] 3) After the reaction, wash with water and absolute ethanol respectively, filter, and vacuum-dry to constant weight to obtain a montmorillonite intercalation nanocomposite. The intercalation rate of the polyaniline in the montmorillonite is 99%.
Embodiment 2
[0019] 1) Put the kaolinite clay into a round-bottomed flask with a branch, vacuumize it and fill it with argon three times, add 2,5-dimethoxyaniline equivalent to 4.5 times the weight of the kaolinite clay, and stir it magnetically , the round-bottomed flask was covered with tinfoil, and placed in the dark at room temperature for 48 hours to obtain a blended suspension;
[0020] 2) Grind the blended suspension with a mortar for 10 minutes, add potassium dichromate, potassium dichromate and 2,5-dimethoxyaniline in a molar ratio of 3:2, cover with a funnel during the grinding process Mortar, argon at one end of the funnel, continue to grind for 1.2 hours, until completely purple-black;
[0021] 3) After the reaction, wash with water and absolute ethanol respectively, filter, and vacuum-dry to constant weight to obtain a kaolinite clay intercalation nanocomposite. The intercalation rate of the poly-2,5-dimethoxyaniline in kaolinite is 85%.
Embodiment 3
[0023] 1) Put the halloysite into a round-bottomed flask with a branch, vacuumize and fill it with argon for 3 times, add aniline equivalent to 0.5 times the weight of the halloysite with a syringe, stir magnetically to make it blend, and the round bottom Wrap the flask with tinfoil and store it at room temperature in the dark for 24 hours;
[0024] 2) Grind the blended suspension with a mortar for 5 minutes, add potassium persulfate, and the molar ratio of potassium persulfate and aniline is 1:1. During the grinding process, cover the mortar with a funnel, and argon gas flows through one end of the funnel, and continue Grinding, the grinding time is 0.5 hours, until it becomes completely purple-black;
[0025] 3) After the reaction, wash with water and absolute ethanol respectively, filter, and vacuum-dry to constant weight to obtain halloysite clay intercalation nanocomposites. The intercalation rate of polyaniline in halloysite is 90%.
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