High-performance mesocarbon microbead and preparation method thereof
A mesophase carbon microsphere, high-performance technology, applied in carbon preparation/purification, chemical instruments and methods, carbon compounds, etc., to achieve the effects of slowing growth and fusion, inhibiting fusion, and increasing reactivity
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Embodiment 1
[0026] The medium and low temperature coal tar is used as the feed material of this process, and the n-heptane insoluble matter is separated by n-heptane extraction, and 200g of the extracted oil after the solvent is evaporated is mixed with 6g of molybdenum hexacarbonyl, and the mixed solution is placed in a high-pressure reactor , under the protection of nitrogen, the temperature was raised to 300°C for 3h shallow catalytic reaction, and the potential mesophase pitch precursor of the >450°C component was separated under reduced pressure; 170g of the mesophase pitch precursor, 20g of n-heptane insolubles and four Mix 10g of hydronaphthalene fully, take the mixed solution and put it in a high-pressure reactor, under 3Mpa nitrogen pressure, raise the temperature to 400°C for 4 hours for heterogeneous nucleation reaction, obtain the parent phase pitch rich in mesophase spheres, and cool down to room temperature naturally , adding the parent phase pitch rich in mesophase beads to ...
Embodiment 2
[0028] Medium and low temperature coal tar is used as the feed material of this process, and the n-heptane insoluble matter is separated by n-heptane extraction, 200g of the extracted oil after the solvent is evaporated is mixed with 10.5g of carbonyl iron, and the mixed solution is placed in a high-pressure reactor , under the protection of nitrogen, the temperature was raised to 340°C for 3h shallow catalytic reaction, and the potential mesophase pitch precursor of the >450°C component was separated under reduced pressure; 150g of the mesophase pitch precursor, 30g of n-heptane insolubles and four Mix 10g of hydronaphthalene fully, take the mixed solution and put it in a high-pressure reactor, under 3Mpa nitrogen pressure, raise the temperature to 440°C for 4h heterogeneous nucleation reaction, obtain the parent phase pitch rich in mesophase spheres, and naturally cool down to room temperature , adding the parent phase pitch rich in mesophase beads to the washing oil, adding ...
Embodiment 3
[0030]Use high-temperature coal tar as the feed material of this process, extract and separate n-heptane insoluble matter through n-heptane extraction, take 200g of the extracted oil after evaporating the solvent and mix with 15g of molybdenum naphthenate, and take the mixed solution and place it in a high-pressure reactor , under the protection of nitrogen, the temperature was raised to 320°C for 3h liquid-phase induced polycondensation reaction, and the potential mesophase pitch precursor of the >450°C component was separated under reduced pressure; 170g of the mesophase pitch precursor, 20g of n-heptane insolubles and 10g of tetrahydronaphthalene is fully mixed, the mixed solution is placed in a high-pressure reactor, and under 3Mpa nitrogen pressure, the temperature is raised to 420°C for 4h heterogeneous nucleation reaction, and the parent phase pitch rich in mesophase pellets is obtained, and the temperature is naturally cooled to At room temperature, add the parent phase...
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