Preparation method of high-flexibility self-crosslinking carbon nanotube film
A carbon nanotube film, self-crosslinking technology, applied in the field of nanomaterials, can solve the problems of poor mechanical properties, complex process, poor product flexibility, etc.
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Embodiment 1
[0024] Example 1 Preparation of carboxyl and hydroxyl esterified self-crosslinked carbon nanotube films in water system
[0025] (1) adding carboxylated carbon nanotubes to a solvent with surfactants to obtain system A; (2) adding hydroxylated carbon nanotubes to solvents with surfactants to obtain system B; (3) adding System A and system B are mixed and dispersed evenly; (4) Suction filtration is carried out through a nylon filter membrane to obtain a carbon nanotube film; (5) The carbon nanotube film is placed in water, and the self-crosslinking reaction occurs when the temperature rises, and it is dried after the reaction Obtain a highly flexible self-crosslinking carbon nanotube film; the above steps are carried out in the order of (1), (2), (3), (4) or in accordance with (2), (1), (3), (4) in sequence.
[0026] The surfactant described in step (1) or step (2) is sodium lauryl sulfate.
[0027] The solvent described in step (1) or step (2) is deionized water.
[0028] T...
Embodiment 2
[0036] Example 2 Preparation of carboxyl and hydroxyl esterified self-crosslinked carbon nanotube films in water system
[0037] (1) adding carboxylated carbon nanotubes to a solvent with surfactants to obtain system A; (2) adding hydroxylated carbon nanotubes to solvents with surfactants to obtain system B; (3) adding System A and system B are mixed and dispersed evenly; (4) Suction filtration is carried out through a nylon filter membrane to obtain a carbon nanotube film; (5) The carbon nanotube film is placed in water, and the self-crosslinking reaction occurs when the temperature rises, and it is dried after the reaction Obtain a highly flexible self-crosslinking carbon nanotube film; the above steps are carried out in the order of (1), (2), (3), (4) or in accordance with (2), (1), (3), (4) in sequence.
[0038] The surfactant described in step (1) or step (2) is sodium dodecylbenzenesulfonate.
[0039]The solvent described in step (1) or step (2) is deionized water.
...
Embodiment 3
[0048] Example 3 Preparation of carboxyl and hydroxyl esterified self-crosslinked carbon nanotube films in water system
[0049] (1) adding carboxylated carbon nanotubes to a solvent with surfactants to obtain system A; (2) adding hydroxylated carbon nanotubes to solvents with surfactants to obtain system B; (3) adding System A and system B are mixed and dispersed evenly; (4) Suction filtration is carried out through a nylon filter membrane to obtain a carbon nanotube film; (5) The carbon nanotube film is placed in water, and the self-crosslinking reaction occurs when the temperature rises, and it is dried after the reaction Obtain a highly flexible self-crosslinking carbon nanotube film; the above steps are carried out in the order of (1), (2), (3), (4) or in accordance with (2), (1), (3), (4) in sequence.
[0050] The surfactant described in step (1) or step (2) is triton.
[0051] The solvent described in step (1) or step (2) is deionized water.
[0052] The concentratio...
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