A kind of high conductivity, high heat radiation carbon crystal powder and preparation method thereof

Abstract

The invention aims at providing high conductive and high thermal radiation carbon crystal powder and a preparation method thereof. The high conductive and high thermal radiation carbon crystal powder is characterized by comprising the following components in percentage by weight: 50-75 parts of substrate carbon material, 10-20 parts of additive and 15-30 parts of auxiliary, wherein the substrate carbon material has the granularity of 400-4000 meshes, and includes 35-65% of graphite, 17-35% of carbon black and 18-30% of carbon fiber; the additive has the granularity of 100-1500 meshes, and includes 5-30% of silicon carbide, 3-18% of manganese oxide, 10-40% of iron oxide, 6-30% of aluminum oxide, 5-25% of nickel oxide, 1-15% of antimony oxide and 0.5-2% of functionalized grapheme. Heating material prepared by the preparation method is rapid in temperature raising speed, significantly improved in service power, more energy-saving and environment-friendly, reduced in operating temperature, not prone to deterioration and greatly increased in service life.

Description

technical field [0001] The invention relates to a carbon crystal powder and a preparation method thereof, in particular to a carbon crystal powder with high conductivity and high heat radiation and a preparation method thereof. Background technique [0002] With the development of the economy, the world's energy sources are approaching depletion, while causing environmental problems represented by global warming, which will seriously threaten the development of the world's industry and the survival of human beings. Reduce energy consumption and take a green and low-carbon development path It is the inevitable choice of all countries in the world, and it is urgent to vigorously develop and apply new energy-saving materials and new technologies. As a new type of energy-saving material, carbon crystal heating material has strong vitality and broad application prospects. However, in the process of using carbon crystal materials, there are also disadvantages such as short servic...

AI Technical Summary

Problems solved by technology

However, in the process of using carbon crystal materials, there are also disadvantages such as short service life and limited power, which limit the application range and promotion speed of carbon crystal heating materials in the market.

The use of this new technology of environmental protection and energy saving is limited, and it will be a huge loss to both human society and the natural environment.

[0003] The patent with the publication number CN102320806A provides a micronano ultrafine powder high temperature high emissivity coating and its preparation method, and obtains a micronano ultrafine powder high temperature coating with high temperature resistance, high emissivity, strong adhesion, and not easy to agglomerate High emissivity coatings have good radiation performance and high power utilization rate, but the coating material has high resistance and slow heating rate, and cannot be prepared into high-power heating equipment, and its application range is limited