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Research Article
Supramolecular Structures of Oil Systems as the Key to Regulation of Oil Behavior
Author(s): Tukhvatullina AZ, Barskaya EE, Kouryakov VN, Ganeeva YM, Yusupova TN and Romanov GVTukhvatullina AZ, Barskaya EE, Kouryakov VN, Ganeeva YM, Yusupova TN and Romanov GV
The paper is devoted to investigation of supramolecular structures formed by high-molecular components of oil – asphaltenes and waxes. Petroleum asphaltenes that are characterized by their ability to self-organization can be considered as a polydisperse system. The aggregation of A1and A2 asphaltenes both in toluene solution and in diluted heavy oils was studied by dynamic light scattering technique. The stabilizing role of resins was confirmed. Due to the fact that the supramolecular structures in oils can be also formed by high molecular microcrystalline waxes, their influence as well as A1 and A2 asphaltenes on wax crystallization process was evaluated using optical microscopy. The effect of the different molecular structures of asphaltenes (A1 and A2) on the rheological properties of crude oils was also observed. Self-organization of asphaltenes directly in heavy high-viscos.. View More»
DOI: 10.4172/2157-7463.1000152