화학공학소재연구정보센터
학회 한국공업화학회
학술대회 2019년 가을 (10/30 ~ 11/01, 제주국제컨벤션센터(ICC JEJU))
권호 23권 2호
발표분야 포스터_무기재료
제목 Structural properties of anisotropic pitch-based carbon materials according to fluorine functional groups via direct fluorination
초록 We prepared mesophase pitch-based carbon materials through heat treatment and conducted direct fluorination to investigate structural changes according to differences in structure and conditions of direct fluorination. Direct fluorination was conducted with a fluorine partial pressure of F2:N2=1:9 and 9:1 (F1 and F9 conditions) at room temperature. When samples were treated under F9 conditions, fluorine was introduced at a maximum of 28 wt% of MP and H500 with a high H/C mole ratio. Additionally, the structures of MP-F9 and H500-F9 collapsed and changed to structures such as graphite fluoride. In addition, their thermal stability substantially decreased. However, the structure and thermal stability of H1000-F9 were maintained because fluorine minimally reacted with the compound in H1000 with a low H/C mole ratio. This difference is attributed to the difference in reactivity based on the structural differences according to the H/C mole ratios of the materials.
저자 송은지, 김경훈, 한정인, 김지욱, 김수현, 이영석
소속 충남대
키워드 Direct fluorination; Structural change; Carbon materials; Mesophase pitch; Fluorine functional groups
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