relation: https://khub.utp.edu.my/scholars/17111/
title: Thermal Kinetics of Monocationic and Dicationic Pyrrolidinium-Based Ionic Liquids
creator: Ab Rahim, A.H.
creator: Abd Ghani, N.
creator: Hasanudin, N.
creator: Yunus, N.M.
creator: Azman, N.S.
description: This work presents an in-depth kinetic thermal degradation comparison between tra-ditional monocationic and the newly developed dicationic ionic liquid (IL), both coupled with a bromide (Br�) anion by using non-isothermal thermogravimetric analysis. Thermal analyses of 1-butyl-1-methylpyrrolidinium bromide C4MPyrBr and 1,4-bis(1-methylpyrrolidinium-1-yl)butane dibromide BisC4MPyrBr2  were conducted at a temperature range of 50�650�C and subjected to various heating rates, which are 5, 10, 15, 20 and 25�C/min. Thermogravimetric analysis revealed that dicationic IL, BisC4MPyrBr2  is less thermally stable compared to monocationic C4MPyrBr. A detailed analysis of kinetic parameters, which are the activation energy (Ea ) and pre-exponential factor (log A), was calculated by using Kissinger-Akahira-Sunose (KAS), Flynn-Wall-Ozawa (FWO) and Starink. This study revealed that the average Ea and log A of BisC4MPyrBr2  are lower than C4MPyrBr, which may be contributed to by its low thermal stability. Conclusively, it proved that the Ea and log A of ILs are strongly related to the thermal stability of ILs. © 2022 by the authors. Licensee MDPI, Basel, Switzerland.
publisher: MDPI
date: 2022
type: Article
type: PeerReviewed
identifier:   Ab Rahim, A.H. and Abd Ghani, N. and Hasanudin, N. and Yunus, N.M. and Azman, N.S.  (2022) Thermal Kinetics of Monocationic and Dicationic Pyrrolidinium-Based Ionic Liquids.  Materials, 15 (3).   ISSN 19961944     
relation: https://www.scopus.com/inward/record.uri?eid=2-s2.0-85124488168&doi=10.3390%2fma15031247&partnerID=40&md5=4971e04c99431df77a823d69175afbe3
relation: 10.3390/ma15031247
identifier: 10.3390/ma15031247