Preparation method of graphene oxide/barium titanyl oxalate particle electrorheological fluid material
A technology of barium titanyl oxalate and electrorheological fluid, which is applied in the petroleum industry, additives, lubricating compositions, etc., can solve the problems of low shear stress and difficulty in meeting the requirements of practical industrial applications, and achieve uniform particle size and good anti-settling performance , the effect of easy access to raw materials
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Embodiment 1
[0019] (1) Titanium tetrachloride and ice water are made into solution A by 0.2mol / L; (2) barium chloride and deionized water are made into solution B by 0.2mol / L; (3) oxalic acid and deionized water are made by 0.1 mol / L is made into solution C; (4) polyethylene glycol 800 and absolute ethanol are made into solution D at 8g / L; (5) graphene oxide is adjusted to a pH value of 9 with dilute ammonia water to make a suspension E ; (6) A solution and B solution are mixed uniformly at a volume ratio of 1:1, and solution D is added, and the above three solutions A:B:D=1.05:1:1, and stirred for 10 minutes; (7) Add to the above three solutions Suspension E, the above four solutions A:B:D:E=1.05:1:1:1; (8) Add C solution according to the ratio of the above four solutions, and add C drop by drop under ultrasonic magnetic stirring at a temperature of 55°C. Solution, the ratio of each solution is A:B:C:D:E=1.05:1:2:1:1, immediately there is precipitation; React at a constant temperature o...
Embodiment 2
[0022] (1) Titanium tetrachloride and ice water are made into solution A by 0.15mol / L; (2) barium chloride and deionized water are made into solution B by 0.15mol / L; (3) oxalic acid and deionized water are made by 0.15 mol / L is made into solution C; (4) polyethylene glycol 2000 and absolute ethanol are made into solution D at 5g / L; (5) graphene oxide is adjusted to a pH value of 9 with dilute ammonia water to make a suspension Solution E; (6) A solution and B solution are mixed uniformly at a volume ratio of 1:1, add solution D, the above three solutions A:B:D=1.05:1:1, stir for 30min; (7) The above three solutions Suspension E was added to the solution, the above four solutions A:B:D:E=1.05:1:1:1; (8) Add solution C according to the ratio of the above four solutions, and drop by drop under ultrasonic magnetic stirring at a temperature of 60°C Add C solution, the ratio of each solution is A:B:C:D:E=1.05:1:2:1:1, and there will be precipitation immediately; (9) After the dropwi...
Embodiment 3
[0025] (1) Titanium tetrachloride and ice water are made into solution A by 0.1mol / L; (2) barium chloride and deionized water are made into solution B by 0.1mol / L; (3) oxalic acid and deionized water are made by 0.1 mol / L to make solution C; (4) polyethylene glycol 4000 and absolute ethanol to make solution D at 4g / L; (5) adjust the pH value of graphene oxide to 9 with dilute ammonia water to make suspension E ; (6) A solution and B solution are mixed uniformly at a volume ratio of 1:1, and solution D is added, and the above three solutions A:B:D=1.05:1:1, and stirred for 10 minutes; (7) Add to the above three solutions Suspension E, the above four solutions A:B:D:E=1.05:1:1:1; (8) Add C solution according to the ratio of the above four solutions, and add C drop by drop under ultrasonic magnetic stirring at a temperature of 55°C. Solution, the ratio of each solution is A:B:C:D:E=1.05:1:2:1:1, immediately there is precipitation; React at a constant temperature of 200°C for 3 h...
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