Abstract
The self-sintering process provides the possibility to prepare high-performance special carbon graphite material. However, the problem of extremely low yield caused by products cracking has not been effectively solved, which greatly limits its commercialization process. This paper creatively proposes that after removing the light component volatile substances of pure green petroleum coke (GPC) by dichloromethane (CH2Cl2). Then, carbon materials with a yield of about 100% was prepared by compression molding at 10 MPa and calcinating at 1050 °C for 4 h. Compared with GPC, the adhesion, self-sintering and mechanical properties of the product can also be greatly improved by this method. And its compressive and flexural strengths are increased by 89.2% and 35.2%, respectively. This exciting discovery can provide new research ideas and directions for the self-sintering process to prepare high-performance special carbon graphite material.
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