The hydrogen bond of asphaltenes in Liaohe,Gudao and Shengli vacuum residues is studied by use of in situ FT IR spectroscopy, and the strength of hydrogen bonding in different samples is investigated through the o...The hydrogen bond of asphaltenes in Liaohe,Gudao and Shengli vacuum residues is studied by use of in situ FT IR spectroscopy, and the strength of hydrogen bonding in different samples is investigated through the obsorbtivity of hydrogen bond in IR spectra It is found that the strength of Liaohe is bigger than that of Shengli while the strength of Shengli is bigger than that of Gudao At the same time, a concept of "Association Index" is mentioned in this paper, the molecular weight of alphaltenes in Liaohe, Gudao and Shengli vacuum residues is studied by using benzene and nitrobenzene as solvents respectively, the bonding conditions of asphaltene molecules solved in benzene is calculated and expressed through the "Association Index" After comparing the front two results and based on the researches carried out previously we inferred that the function of hydrogen bonding is one of the main facts of the association between the asphaltene展开更多
文摘The hydrogen bond of asphaltenes in Liaohe,Gudao and Shengli vacuum residues is studied by use of in situ FT IR spectroscopy, and the strength of hydrogen bonding in different samples is investigated through the obsorbtivity of hydrogen bond in IR spectra It is found that the strength of Liaohe is bigger than that of Shengli while the strength of Shengli is bigger than that of Gudao At the same time, a concept of "Association Index" is mentioned in this paper, the molecular weight of alphaltenes in Liaohe, Gudao and Shengli vacuum residues is studied by using benzene and nitrobenzene as solvents respectively, the bonding conditions of asphaltene molecules solved in benzene is calculated and expressed through the "Association Index" After comparing the front two results and based on the researches carried out previously we inferred that the function of hydrogen bonding is one of the main facts of the association between the asphaltene
