Preparation and Characterization of Mesophase Pitch via Co-Carbonization of Waste Polyethylene/Petroleum Pitch

doi:10.1016/j.jmst.2015.07.010

Abstract

Abstract: The low-cost petroleum pitch and waste polyethylene (WPE) were used as raw materials to prepare the mesophase pitch by co-carbonization method and the forming mechanization of mesophase pitch was also investigated. Polarized microscopy, softening point, Fourier transform infrared spectroscopy (FTIR) and thermogravimetric analysis (TGA) were used to characterize and analyze the properties and structure of the mesophase pitch. The results showed that the carbonization yield of the modified pitch was high when 1-2wt% WPE was added and the property of mesophase pitch (MP1-450-4 and MP2-450-4) prepared by thermal polymerization was excellent. Moreover, when the treatment temperature was above 420°C, the mesophase development of the modified pitch may be entire and 100% streamline texture mesophase can form. During the co-carbonization of WPE/petroleum pitch, a large number of naphthenic structures and methylene bridges may be generated, which can improve the properties of the obtained mesophase pitch.

Key words: Polarized light microscopy, Microstructure, Property, Thermogravimetric analysis (TGA), Formation mechanism

Youliang Cheng, Lu Yang, Tao Luo, Changqing Fang, Jian Su, Jian Hui. Preparation and Characterization of Mesophase Pitch via Co-Carbonization of Waste Polyethylene/Petroleum Pitch[J]. J. Mater. Sci. Technol., 2015, 31(8): 857-863.

Figures/Tables 8

Polarizing micrographs of the production from modified pitch with 1wt% WPE at various temperatures for a holding time of 4h: (a) MP1-380-4, (b) MP1-400-4, (c) MP1-420-4, (d) MP1-450-4.

Polarizing micrographs of products from modified pitch with different contents of WPE at 450°

C for a holding time of 4h: (a) MP-450-4, (b) MP0.5-450-4, (c) MP2-450-4, (d) MP5-450-4.

XRD spectra of the mesophase pitch samples prepared under different conditions: (a) MP-420-4, (b) MP1-420-4, (c) MP5-420-4 and (d) MP-450-4.

FTIR spectra of the petroleum pitch and different co-carbonization products: (a) petroleum pitch, (b) MP-450-4, (c) MP1-450-4, (d) MP1-420-4, (e) MP5-420-4.

Carbonization yields of the modified pitch.

Viscosity-temperature curves analysis of MP-450-4 (a) and MP2-450-4 (b).

TG curves (a) and DTG curves (b) of WPE, MDP-1 and MP1-450-4.

References

[1] R. Moriyama, H. Kumagai, J. Hayashi, C. Yamaguchi, J. Mondon, H. Matsui, T. Chiha, Carbon, 38 (2000), pp. 749-758
[2] X.L. Cheng, Q.F. Zha, X.J. Li, X.J. Yang, Fuel Process. Technol, 89 (2008), pp. 1436-1441
[3] Y.D. Park, Y. Korai, I. Mochida, J. Mater. Sci, 21 (1986), pp. 424-428
[4] I. Mochida, Y. Korai, C.H. Ku, F. Watanabe, Y. Sakai, Carbon, 38 (2000), pp. 305-328
[5] M.A.C. Rebecca, P.A. David, A.O. Amod,Carbon, 59 (2013), pp. 40-48
[6] Y.L. Cheng, T.H. Li, C.Q. Fang, P. Liu, R.E. Yu, J.B. Hu, Compos. Part B-Eng, 47 (2013), pp. 290-297
[7] R. Prieto, E. Louis, J.M. Molina, Carbon, 50 (2012), pp. 1904-1912
[8] Y.S. Yang, C.Y. Wang, M.M. Chen, Z.Q. Shi, J.M. Zheng, J. Solid State Chem, 183 (2010), pp. 2116-2120
[9] S. Kundu, A.A. Ogale,Carbon, 44 (2006), pp. 2224-2235
[10] T.Q. Li, C.Y. Wang, X.J. Liu, J.M. Zheng, H. Wang, Chin. Sci. Bull, 49 (2004), pp. 1105-1110
[11] T.Q. Li, C.Y. Wang, New Carbon Mater, 20 (2005), pp. 278-285
[12] I. Mochida, H. Marsh,Fuel, 58 (1979), pp. 797-802
[13] Q.L. Lin, J.T. Li, Y.J. Yang, Z.H. Xie, J. Anal. Appl. Pyrolysis, 87 (2010), pp. 29-33
[14] Q.L. Lin, T.H. Li, C.Z. Zheng, Y. Zhao, S.H. Song, J. Anal. Appl. Pyrolysis, 71 (2004), pp. 817-826
[15] K. Chen, H. Liu, Z. Xue, H.Y. Li, A.J. Guo, Z.X. Wang, J. Anal. Appl. Pyrolysis, 102 (2013), pp. 131-136
[16] J. Shen, Energ. Source Part A, 34 (2012), pp. 839-850
[17] V. Zubkova, A. Strojwas, Energ. Source Part A, 34 (2012), pp. 609-617
[18] M.S. Nyathi, C.B. Clifford, H.H. Schobert, Energ. Fuel, 26 (2012), pp. 4413-4419
[19] M. Pérez, M. Granda, R. Santamaría, R. Menéndez,Carbon, 41 (2003), pp. 1851-1864
[20] E.I. Andreikov, M.V. Zorin, I.S. Amosova, M.V. Kuznetsov, Russ. J. Appl. Chem, 84 (2011), pp. 2088-2092
[21] E.I. Andreikov, I.S. Amosova, Y.A. Dikovinkina, O.V. Krasnikova, M.G. Pervova, Russ. J. Appl. Chem, 85 (2012), pp. 89-97
[22] G. Collin, B. Bujnowska, J. Polaczek, Fuel Process. Technol, 50 (1997), pp. 179-184
[23] T. Brzozowska, J. Zieliñski, J. Machnikowski, J. Anal. Appl. Pyrolysis, 48 (1998), pp. 45-58
[24] X.L. Cheng, S.L. Song,Int. J. Min. Sci. Technol, 22 (2012), pp. 183-186
[25] X.L. Cheng, Q.F. Zha, J.T. Zhong, X.J. Yang, Fuel, 88 (2009), pp. 2188-2192
[26] C.Q. Fang, L.N. Jiao, J.B. Hu, Q. Yu, D.G. Guo, X. Zhou, R.E. Yu, J. Mater. Sci. Technol, 30 (2014), pp. 939-943
[27] C.Q. Fang, R.E. Yu, Y. Li, M.Y. Zhang, J.B. Hu, M. Zhang, Polym. Test, 32 (2013), pp. 953-960
[28] Z.C. Liu, L.C. Ling, W.M. Qiao, L. Liu, I. Mochida, J. Mater. Sci, 34 (1999), pp. 6003-6007
[29] Y.L. Cheng, T.H. Li, F.J. Li, Q.X. Chen, T.K. Zhao, Q.L. Lin, J. Chin. Coal Soc, 35 (2010), pp. 490-493 in Chinese
[30] M.D. Guillén, M.J. Iglesias, A. Domínguez, C.G. BlancoEnerg. Fuel, 6 (1992), pp. 518-525
[31] F. Bai, C.C. Zhu, Y. Liu, P.Q. Yuan, Z.M. Cheng, W.K. Yuan,Fuel Process. Technol, 106 (2013), pp. 267-274
[32] J.A. Conesa, R. Font, A. Marcilla, A.N. García, Energ. Fuel, 8 (1994), pp. 1238-1246