以无喹啉不溶物煤焦油为原料,在300℃下通过空气吹扫氧化8h,10h,12h制备了不同软化点的沥青,采用1H-NMR,13C-NMR,FT-IR,元素分析和族组成分析解析了沥青的化学结构.并在1.6MPa,480℃下分别将空气吹扫不同时间的氧化沥青和添加10W/%、20W/%四氢萘的氧化沥青在管式反应器中进行焦化,随后考察其光学组织结构变化的情况.结果表明:随着空气吹扫时间的增加,所获沥青焦光学各向异性组织单元尺寸减小;而空气吹扫沥青和四氢萘共炭化则由于体系发生氢转移反应,导致所获沥青焦显示出较大的光学各向异性组织单元尺寸.
参考文献
| [1] | 张怀平,刘春林,吕春祥,李开喜,凌立成.空气氧化法制备的煤焦油沥青的性质研究[J].新型炭材料,2000(03):43-46. |
| [2] | 张怀平,吕春祥,李开喜,刘春林,凌立成.氧化沥青化学结构及成焦行为的研究[J].新型炭材料,2001(02):49-53. |
| [3] | Mochida I;Nakamura Ei-ichi;Maeda K et al.Carbonization of aromatic hydrocarbons[J].Carbon,1976,14(02):123-129. |
| [4] | Singer L S .Carbon fibres from mesophase pitch[J].Fuel,1981,60(09):839-847. |
| [5] | Mochida I;Oyama T;Korai Y et al.Formation Scheme of Needle Coke from FCC-decont Oil[J].Carbon,1988,26(01):49-55. |
| [6] | Kodama M;Shimizu N;Fujiura T et al.Preparation and characterization of cation-exchanger using meso-carbon microbeads prepared by emulsion method[J].Carbon,1990,28(01):199-205. |
| [7] | Mochida I.;Ku CH.;Watanabe F.;Sakai Y.;Korai Y. .Chemistry of synthesis, structure, preparation and application of aromatic-derived mesophase pitch[J].Carbon: An International Journal Sponsored by the American Carbon Society,2000(2):305-328. |
| [8] | 李宝华,吕永根,凌立成,刘朗,吴东.中间相炭微球用作锂离子电池阳极的充放电性能研究[J].新型炭材料,1999(04):28-33. |
| [9] | 吕永根,凌立成,刘朗.由中间相炭微球制备高密度各向同性炭（英文）[J].新型炭材料,1998(03):12. |
| [10] | Maeda T;Mzeng S;Tokumistu T et al.Preparation of isotropic pitch precursors for general purpose carbon fibers by air blowing[J].Carbon,1993,31(05):407-412. |
| [11] | Mochida I;Iraba T;Korai Y et al.Carbonization properties of carbonaceous substances oxidized by air blowing Ⅰ[J].CARBON,1983,21(03):543-552. |
| [12] | Mochida I;Korai Y;yama T et al.Carbonization in the tube bomb leading to needle coke:Ⅰ.co-carbonization of a petroleum vacuum residue and a FCC-decant oil into better needle coke[J].Carbon,1989,27(03):359-365. |
| [13] | Mochida I;You Qing Fei;Korai Y et al.Co-carbonization of ethylene tar pitch and coal pitch to form needle coke[J].FUEL,1990,69(06):672-677. |
| [14] | Mochida I;Fujimoto K;yama T.Chemistry in the production and utilization of needle coke[A].New York:Marcel Dekker,1994:172. |
| [15] | Marsh H.;Martinez-Escandell M.;Rodriguez-Reinoso F. .Semicokes from pitch pyrolysis:mechanisms and kinetics[J].Carbon: An International Journal Sponsored by the American Carbon Society,1999(3):363-390. |
| [16] | Shu-an qian;Chun-feng Li;Peng-zhou Zhang .Study of structural parameters on some petroleum aromatic fractions by 1*"H-NMR/IRand 1*"H13 C-NMR spectroscopy[J].Fuel,1984,63(02):268-273. |
| [17] | 赖耿阳.炭材料化学与工学[M].台湾:复汉出版社,1991:85. |
| [18] | March H.Introduction to Carbon Science[M].London:Butterworth,1989:58. |
| [19] | Allen D T;Gavalas G R .Reactions of methylene and ether bridges[J].Fuel,1984,63(05):586-592. |
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