Evaluating the Effectiveness of newly prepared Asymmetric Dicationic Ionic Liquids in Egyptian Base Oil improvement II

Bidak, Sameh M.; El-Dossoki, Farid I.; Ismail, Dina A.; Nessim, Maher I; El-Bassoussi, Ali A. M.

doi:10.21608/ajbas.2023.214927.1157

Evaluating the Effectiveness of newly prepared Asymmetric Dicationic Ionic Liquids in Egyptian Base Oil improvement II

Document Type : Original Article

Authors

¹ Chemistry Dept. Science Faculty, Portsaid University, Portsaid Egypt.

² Dean of Faculty of Science, Port Said University Prof. of Physical chemistry (Solution &amp; Thermodynamics) h-index: 11

³ Petrochemical Department, Egyptian Petroleum Research Institute, Cairo, Egypt.

⁴ Analysis and evaluation Department, Egyptian Petroleum Research Institute, Cairo, Egypt.

10.21608/ajbas.2023.214927.1157

Abstract

This study synthesized three types of asymmetric dicationic ionic liquids, specifically, 1- ( 2 - (1- decyl - 1H - imidazolium - 3 - yl) ethyl) - 3 - methylpyridinium bromide (IL 201), 1- ( 5 - (1- decyl -1H - imidazolium - 3 - yl) pentyl) - 3 - methylpyridinium bromide (IL 202), and 1 - (10 - (1- decyl -1H -imidazolium -3 - yl) decyl) - 3 - methyl-pyridinium bromide (IL 203) and evaluated their structures via elemental analysis, FT- IR, and 1H - NMR spectroscopy also their surface activity, (surface tensions, critical micelle concentration, effectiveness, maximum surface excess and minimum surface area), were studied. Their influence on base oil was evaluated, including foaming characteristics and oxidation stability by studying the change in total acid number ‘TAN’ and viscosity. IL 203 was found to be the most efficient base oil improver, followed by IL 202 and IL 201.

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