High-thermal conductivity nanometer diamond insulation varnish and preparation method thereof
A nano-diamond, high thermal conductivity technology, used in coatings and other directions
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Embodiment 1
[0018] In the high thermal conductivity nano-diamond insulating varnish of the present invention, the weight ratio of each raw material can be: 65 parts of insulating varnish, 10 parts of nano-diamond, 5 parts of hyperdispersant, 0.06 part of titanate coupling agent, absolute ethanol 3.3 servings. The particle size of the nano-diamond is less than or equal to 500nm, so as to ensure its dispersibility in the insulating varnish, and make full use of the special properties of nano-scale materials; the hyperdispersant can adopt the hyperdispersant whose model is CH-13E; The titanate coupling agent can use the titanate coupling agent whose model is XY-21.
[0019] The preparation method of the high thermal conductivity nano-diamond insulating varnish is as follows: first, the nano-diamond is pickled, and in order to make full use of the special properties of nano-scale materials, nano-diamonds with a particle size of ≤500nm are selected to ensure that they are in the insulating var...
Embodiment 2
[0021] In the high thermal conductivity nano-diamond insulating varnish of the present invention, the weight ratio of each raw material can be: 70 parts of insulating varnish, 15 parts of nano-diamond, 6 parts of hyperdispersant, 0.10 part of titanate coupling agent, absolute ethanol 4.6 servings. The hyperdispersant can adopt the hyperdispersant whose model is CH-13E. The titanate coupling agent can be a titanate coupling agent whose model is KH-550. The preparation method of the high thermal conductivity nano-diamond insulating varnish is the same as the first embodiment.
Embodiment 3
[0023] In the high thermal conductivity nano-diamond insulating varnish of the present invention, the weight ratio of each raw material can be: 75 parts of insulating varnish, 20 parts of nano-diamond, 7 parts of hyperdispersant, 0.14 part of titanate coupling agent, absolute ethanol 6.7 servings. The hyperdispersant can adopt the hyperdispersant whose model is CH-13E. The titanate coupling agent can be a titanate coupling agent whose model is KH-570. The preparation method of the high thermal conductivity nano-diamond insulating varnish is the same as the first embodiment.
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