Preparation method for MXene-based electromagnetic shielding coating
An electromagnetic shielding and coating technology, applied in the direction of magnetic field/electric field shielding, surface reaction electrolytic coating, coating, etc., can solve the problems of not being able to exert superior characteristics
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specific Embodiment approach 1
[0022] Specific embodiment one: present embodiment is a kind of preparation method of MXene-based electromagnetic shielding coating, specifically carries out according to the following steps:
[0023] 1. Preparation of MXenes:
[0024] ①, the titanium alloy Ti 6 Al 4 The V piece was cut into a surface size of 2cm×4cm, washed with acetone and absolute ethanol by ultrasonic vibration, and dried naturally; NaHSO 4 The mixed aqueous solution of NaF and NaF is used as the electrolyte, and the titanium alloy Ti after drying 6 Al 4 The V sheet is the anode, the platinum sheet is the two-electrode system of the cathode, apply a voltage of 25V to 45V, anodize for 1.5h to 3h, take out the anode material, rinse with deionized water, and dry to obtain TiO 2 NTs / Ti 6 Al 4 V piece; NaHSO in the electrolyte 4 The concentration of NaF is 0.2mol / L~0.6mol / L, and the concentration of NaF is 0.2mol / L~0.6mol / L;
[0025] ②. Spread 4g~7g of PEG2000 in the porcelain boat, and put the TiO pre...
specific Embodiment approach 2
[0036] Specific embodiment two: the difference between this embodiment and specific embodiment one is: step one (1) in the titanium alloy Ti after drying 6 Al 4 The V sheet is the anode, the platinum sheet is the two-electrode system of the cathode, apply a voltage of 35V, anodize for 2h, take out the anode material, rinse with deionized water, and dry to obtain TiO 2 NTs / Ti 6 Al 4 V piece; NaHSO in the electrolyte 4 The concentration of NaF is 0.5mol / L, and the concentration of NaF is 0.5mol / L. Others are the same as the first embodiment.
specific Embodiment approach 3
[0037] Specific embodiment three: the difference between this embodiment and specific embodiment one or two is that in step one ②, 6g of PEG2000 is spread in a porcelain boat, and the TiO prepared in step one 2 NTs / Ti 6 Al 4 The V piece is fixed on the PEG2000 in the porcelain boat, and the porcelain boat is placed in a tube furnace, heated from room temperature to 500°C at a heating rate of 8°C / min under the protection of argon and kept for 2 hours, and then heated under the protection of argon. Raise the temperature to 1100°C at a heating rate of 8°C / min and keep it warm for 3h, then cool down to room temperature with the furnace under the protection of argon, and obtain TiC in a porcelain boat. Others are the same as those in Embodiment 1 or 2.
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