A kind of graphene oxide reinforced pvc/abs composite pipe and preparation method thereof
A composite pipe and graphene technology, applied in the field of composite materials, can solve problems such as weak bonding force and affecting the performance of composite materials
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Embodiment 1
[0025] Add 600kg of concentrated sulfuric acid with a mass fraction of 98% to the reactor, control the temperature at zero degrees, add 15kg of graphite powder and 7.5kg of sodium nitrate solid mixture while stirring, then add 48kg of potassium permanganate, and react at 15°C for 50min. Then heat up to 35°C, continue to react for 30 minutes, then add 840 kg of deionized water, continue stirring for 20 minutes, add 54 kg of 35% hydrogen peroxide, react for 10-20 minutes, and discharge the reaction solution after it turns bright yellow. Then the reaction solution was filtered and washed with 5% HCl solution and deionized water. Finally, the filter cake was fully dried in a vacuum oven at 60° C. to obtain graphene oxide. Add 5kg of graphene oxide and 0.1kg of silane coupling agent KH550 into the continuous powder surface modification machine, perform surface modification on graphene oxide under high-speed stirring at 1200r / min, and discharge after stirring for 20 minutes. Then, ...
Embodiment 2
[0027] Add 600kg of concentrated sulfuric acid with a mass fraction of 98% to the reactor, control the temperature at zero degrees, add 15kg of graphite powder and 7.5kg of sodium nitrate solid mixture while stirring, then add 48kg of potassium permanganate, and react at 15°C for 50min. Then heat up to 35°C, continue to react for 30 minutes, then add 840 kg of deionized water, continue stirring for 20 minutes, add 54 kg of 35% hydrogen peroxide, react for 10-20 minutes, and discharge the reaction solution after it turns bright yellow. Then the reaction solution was filtered and washed with 5% HCl solution and deionized water. Finally, the filter cake was fully dried in a vacuum oven at 60° C. to obtain graphene oxide. Then 5kg graphene oxide, 100kgPVC, 10kgABS, 4kg stearate stabilizer, 0.5kg stearic acid, 0.6kg paraffin, and 2kgACR were added to an ordinary high-speed mixer and mixed at a high speed of 1000r / min for 20min within a temperature range of 100°C, and then Stir at ...
Embodiment 3
[0029]Add 400kg of concentrated sulfuric acid to the reactor, control the temperature at zero degrees, add 10kg of graphite powder and 5kg of sodium nitrate solid mixture while stirring, then add 36kg of potassium permanganate, react at 15°C for 50min, then raise the temperature to 35°C, continue After reacting for 30 minutes, add 560 kg of deionized water, continue stirring for 20 minutes, add 36 kg of hydrogen peroxide with a concentration of 35%, and react for 10-20 minutes. The reaction solution turns bright yellow and then discharges. Then the reaction solution was filtered and washed with 5% HCl solution and deionized water. Finally, the filter cake was fully dried in a vacuum oven at 60° C. to obtain graphene oxide. Add 6kg of graphene oxide and 0.12kg of silane coupling agent A151 into the continuous powder surface modification machine, perform surface modification on graphene oxide under high-speed stirring at 1200r / min, and discharge after stirring for 20 minutes. T...
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