The study on temperature dependence of viscosity and surface tension of several Phosphonium-based deep eutectic solvents

Deep eutectic solvents (DESs) are derived from two or more salts as the hydrogen bond acceptors (HBAs) and hydrogen bond donors (HBDs). In this work, six deep eutectic solvents (DESs) were prepared namely allyltriphenyl phosphonium bromide- diethylene glycol (ATPPB-DEG) and allyltriphenyl phosphoniu...

Full description

Main Authors: Ghaedi, H., Ayoub, M., Sufian, S., Shariff, A.M., Lal, B.
Format: Article
Institution: Universiti Teknologi Petronas
Record Id / ISBN-0: utp-eprints.19374 /
Published: Elsevier B.V. 2017
Online Access: https://www.scopus.com/inward/record.uri?eid=2-s2.0-85020502930&doi=10.1016%2fj.molliq.2017.06.024&partnerID=40&md5=a64b885bbf8d31e108d50dd18e62258e
http://eprints.utp.edu.my/19374/
Tags: Add Tag
No Tags, Be the first to tag this record!
id utp-eprints.19374
recordtype eprints
spelling utp-eprints.193742018-04-20T00:39:44Z The study on temperature dependence of viscosity and surface tension of several Phosphonium-based deep eutectic solvents Ghaedi, H. Ayoub, M. Sufian, S. Shariff, A.M. Lal, B. Deep eutectic solvents (DESs) are derived from two or more salts as the hydrogen bond acceptors (HBAs) and hydrogen bond donors (HBDs). In this work, six deep eutectic solvents (DESs) were prepared namely allyltriphenyl phosphonium bromide- diethylene glycol (ATPPB-DEG) and allyltriphenyl phosphonium bromide - triethylene glycol (ATPPB-TEG) using three molar ratios of 1:4, 1:10 and 1:16 salt to HBDs. The temperature range for experimental viscosity was from 293.15 to 343.15 K and that of the experimental surface tension was between 298.15 and 343.15 K. The results disclosed that hydrogen bonding in DESs has a great effect on the properties. Among all DESs with the same components, the DESs with the strong hydrogen bonding in their structures had the higher viscosity and surface tension. Besides, by increasing the temperature and quantity of HBDs in DESs, both of these properties experienced a decreasing trend in the amount. It was found that the molecular weight of DESs with the same component has an effect on the properties. The higher molecular weight caused the higher viscosity and surface tension. Further, ATPPB-TEG DESs had the higher viscosity and lower surface tension than ATPPB-DEG DESs because of the higher alkyl chain in their structures. Several models and a new empirical equation were used to correlate the experimental viscosity data. It was found that there is a well agreement between theoretical and experimental values especially when the new empirical equation is used. In addition, the activation parameters for all DESs were calculated using the experimental viscosity data and application of Eyring's absolute rate theory. The experimental surface tension was employed to predict the critical temperature, surface entropy and internal surface energy of DESs. Finally, two empirical equations were used for relating the experimental surface tension to the experimental viscosity of DESs. © 2017 Elsevier B.V. Elsevier B.V. 2017 Article PeerReviewed https://www.scopus.com/inward/record.uri?eid=2-s2.0-85020502930&doi=10.1016%2fj.molliq.2017.06.024&partnerID=40&md5=a64b885bbf8d31e108d50dd18e62258e Ghaedi, H. and Ayoub, M. and Sufian, S. and Shariff, A.M. and Lal, B. (2017) The study on temperature dependence of viscosity and surface tension of several Phosphonium-based deep eutectic solvents. Journal of Molecular Liquids, 241 . pp. 500-510. http://eprints.utp.edu.my/19374/
institution Universiti Teknologi Petronas
collection UTP Institutional Repository
description Deep eutectic solvents (DESs) are derived from two or more salts as the hydrogen bond acceptors (HBAs) and hydrogen bond donors (HBDs). In this work, six deep eutectic solvents (DESs) were prepared namely allyltriphenyl phosphonium bromide- diethylene glycol (ATPPB-DEG) and allyltriphenyl phosphonium bromide - triethylene glycol (ATPPB-TEG) using three molar ratios of 1:4, 1:10 and 1:16 salt to HBDs. The temperature range for experimental viscosity was from 293.15 to 343.15 K and that of the experimental surface tension was between 298.15 and 343.15 K. The results disclosed that hydrogen bonding in DESs has a great effect on the properties. Among all DESs with the same components, the DESs with the strong hydrogen bonding in their structures had the higher viscosity and surface tension. Besides, by increasing the temperature and quantity of HBDs in DESs, both of these properties experienced a decreasing trend in the amount. It was found that the molecular weight of DESs with the same component has an effect on the properties. The higher molecular weight caused the higher viscosity and surface tension. Further, ATPPB-TEG DESs had the higher viscosity and lower surface tension than ATPPB-DEG DESs because of the higher alkyl chain in their structures. Several models and a new empirical equation were used to correlate the experimental viscosity data. It was found that there is a well agreement between theoretical and experimental values especially when the new empirical equation is used. In addition, the activation parameters for all DESs were calculated using the experimental viscosity data and application of Eyring's absolute rate theory. The experimental surface tension was employed to predict the critical temperature, surface entropy and internal surface energy of DESs. Finally, two empirical equations were used for relating the experimental surface tension to the experimental viscosity of DESs. © 2017 Elsevier B.V.
format Article
author Ghaedi, H.
Ayoub, M.
Sufian, S.
Shariff, A.M.
Lal, B.
spellingShingle Ghaedi, H.
Ayoub, M.
Sufian, S.
Shariff, A.M.
Lal, B.
The study on temperature dependence of viscosity and surface tension of several Phosphonium-based deep eutectic solvents
author_sort Ghaedi, H.
title The study on temperature dependence of viscosity and surface tension of several Phosphonium-based deep eutectic solvents
title_short The study on temperature dependence of viscosity and surface tension of several Phosphonium-based deep eutectic solvents
title_full The study on temperature dependence of viscosity and surface tension of several Phosphonium-based deep eutectic solvents
title_fullStr The study on temperature dependence of viscosity and surface tension of several Phosphonium-based deep eutectic solvents
title_full_unstemmed The study on temperature dependence of viscosity and surface tension of several Phosphonium-based deep eutectic solvents
title_sort study on temperature dependence of viscosity and surface tension of several phosphonium-based deep eutectic solvents
publisher Elsevier B.V.
publishDate 2017
url https://www.scopus.com/inward/record.uri?eid=2-s2.0-85020502930&doi=10.1016%2fj.molliq.2017.06.024&partnerID=40&md5=a64b885bbf8d31e108d50dd18e62258e
http://eprints.utp.edu.my/19374/
_version_ 1741196196603494400
score 11.62408

Similar Items