Methods for preparing graphene and graphene composite from artificial diamond
A technology for artificial diamond and composite materials, applied in the field of preparing graphene and its composite materials, can solve problems such as restricting the development of olefin alloys, and achieve the effects of saving raw materials, promoting development, and low cost
Inactive Publication Date: 2017-01-25
湖南元素密码石墨烯高科技有限公司
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Problems solved by technology
However, the problem of the organic combination of graphene and metal greatly limits the development of graphene alloys.
Method used
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Embodiment 1
[0046] Add 350ml of water into the high-speed homogenizer, and then add the above-mentioned 8g of synthetic diamond waste, and homogenize at room temperature for 2 hours at a homogenization speed of 100r / min.
Embodiment 2
[0048] Add 350ml of water into the high-speed homogenizer, and then add the above-mentioned 8g of synthetic diamond waste, and homogenize for 2 hours at a homogenization speed of 5000r / min at room temperature.
Embodiment 3
[0050] Add 400ml of ethanol to the high-energy ball mill, and then add the above-mentioned 8g of synthetic diamond waste, ball mill for 1 h at room temperature, and then homogenize in a high-speed homogenizer for 3 h at a homogenization speed of 12,000 r / min.
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The invention provides methods for preparing graphene and a graphene composite from an artificial diamond. The method for preparing the graphene comprises the following steps: a waste in the production of the artificial diamond is taken as a raw material and comprises a waste with graphite stripped and a waste with graphite not stripped, and the weight of the waste with graphite stripped accounts for no less than 10% of the weight of the waste in the production of the artificial diamond. The invention further provides the method for preparing the graphene composite from the artificial diamond. On one side, the raw material is saved, no pollution is caused, and the cost is lowered by 50%-80% compared with the graphite material. On the other side, the stripping rate of the graphite material is increased by 10%-40% under the same production conditions. In addition, the prepared graphene composite is high in hardness and good in wear resistance, the difficult problem of organic combination of graphene and metals is solved at the same time, and the development of a graphene alloy is promoted.
Description
technical field [0001] The invention relates to the field of graphene materials, in particular to a method for preparing graphene and composite materials thereof by using artificial diamond waste. Background technique [0002] Graphene itself is a nano-scale material, so it has the surface active state that nanoparticles should have, and it is easy to combine with other material particles. At present, the most important application of nanoparticles is as a filling material for the modification of other non-nano materials. However, it is relatively difficult to prepare and store nanoparticles of many materials. Graphene has become a nanomaterial that is more convenient for people to produce and store on a large scale. , Therefore, it can be widely used as a filling material when other materials are modified. However, the preparation method of graphene is mainly oxidation-reduction method, which has the disadvantages of high cost, complex process, and a large amount of proces...
Claims
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Inventor 谭彬龙笃湘江洪白毅
Owner 湖南元素密码石墨烯高科技有限公司
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