Preparation method and application of nano MoS2-loaded carbon material compound
A technology of carbon materials and composites, which is applied in the field of preparation of carbon material-loaded nano-MoS2 composites, can solve the problems of cumbersome steps for carbon material-loaded nano-MoS2, and achieve excellent anti-friction and anti-wear properties
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[0019] A carbon material loaded with nano-MoS 2 The preparation method of the composite, the steps are as follows,
[0020] Add a certain amount of ammonium tetrathiomolybdate and carbon nanomaterials to N,N-dimethylformamide, and after the mixture is uniformly dispersed by ultrasonic, add hydrazine hydrate and continue ultrasonic dispersion;
[0021] The mixture obtained by ultrasonic dispersion was transferred to a solvothermal reaction kettle with a Teflon lining tube, the reaction kettle was sealed, and the reaction kettle was heated to 200°C for a few hours, then cooled, placed in a centrifuge, and centrifuged at 9000 rpm. Wash with deionized water; the solid material obtained after centrifugation is vacuum-dried overnight at 50°C to obtain the product, which is the carbon material@MoS 2 .
[0022] Further, the mass ratio of the carbon material to the amine tetrathiomolybdate is 2.2:1, the mass volume ratio to DMF is 1:1 mg / mL, and the mass volume ratio to hydrazine hydrate is 1...
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[0028] Example 1
[0029] A carbon material loaded with nano-MoS 2 The preparation method of the composite, the steps are as follows:
[0030] 27.5mg(NH 4 ) 2 MoS 4 And 12.5 mg of carbon nanotubes (CNTs) were added to 12.5 mL of DMF, the mixture was sonicated for 10 minutes and then 0.125 mL of hydrazine hydrate was added, and the ultrasonic dispersion was continued for 30 minutes. The mixture was then transferred to a 50 mL solvothermal reactor with a Teflon-lined tube. After sealing, heat to 200°C to react for 10 hours. The obtained reaction solution was placed in a centrifuge, centrifuged at 9000 rpm for 3 minutes, and washed with deionized water. The solid material after centrifugation and washing was dried overnight in a vacuum at 50°C, and the product obtained is the carbon nanotube loaded nano-MoS 2 Composite (CNTs@MoS 2 ).
[0031] Add 1.0wt% CNTs, 1.0wt% MoS to the polyether base oil 2 And 1.0wt%CNTs@MoS 2 , Test its tribological properties after the ultrasonic dispersion...
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[0032] Example 2
[0033] A carbon material loaded with nano-MoS 2 The preparation method of the composite, the steps are as follows:
[0034] 27.5mg(NH 4 ) 2 MoS 4 And 12.5 mg of fullerene C60 were added to 12.5 mL of DMF, the mixture was sonicated for 10 minutes and then 0.125 mL of hydrazine hydrate was added, and the ultrasonic dispersion was continued for 30 minutes. The mixture was then transferred to a 50 mL solvothermal reactor with a Teflon-lined tube. After sealing, heat to 200°C to react for 10 hours. The obtained reaction solution was placed in a centrifuge, centrifuged at 9000 rpm for 3 minutes, and washed with deionized water. The solid material after centrifugation and washing was dried overnight in vacuum at 50°C, and the product obtained is fullerene C60 loaded nano-MoS 2 Complex (C60@MoS 2 ).
[0035] Add 1.0wt% C60, 1.0wt% MoS to polyether base oil 2 And 1.0wt% C60@MoS 2 , Test its tribological properties after the ultrasonic dispersion is uniform.
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