Effect of surfactant headgroup on low-fluorine-content CO2-philic hybrid surfactants

Azmi Mohamed; Tretya Ardyani; Suriani Abu Bakar; Masanobu Sagisaka; Shinji Ono; Tsuyoshi Narumi; Makoto Kubota; Paul Brown; Julian Eastoe

doi:10.1016/j.supflu.2016.04.018

Effect of surfactant headgroup on low-fluorine-content CO₂-philic hybrid surfactants

Azmi Mohamed, Tretya Ardyani, Suriani Abu Bakar, Masanobu Sagisaka, Shinji Ono, Tsuyoshi Narumi, Makoto Kubota, Paul Brown, Julian Eastoe

Research output: Contribution to journal › Article (Academic Journal) › peer-review

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Abstract

The article addresses the role of surfactant headgroup structure on hybrid surfactant performance for water-in-CO₂ (w/c) microemulsion stabilization. The synthetic procedure, aqueous properties, and phase behaviour of a new hybrid sulfoglutarate surfactant are described. The sulfoglutarate version has an extra methylene group incorporated into the hydrophilic headgroup. The related hydrocarbon (AOT14 and AOT14GLU) and fluorocarbon (di-CF2 and di-CF2GLU) surfactants were used to form w/c microemulsions. For these two groups, the aqueous properties and w/c phase stability of both sulfoglutarates and sulfosuccinates were found to be similar. The newly synthesized hybrid CF2/AOT14GLU (sodium (4H,4H,5H,5H,5H-pentafluoropentyl-2,2-dimethyl-1-propyl)-2-sulfoglutarate) proved to be more efficient than the normal sulfosuccinate, hybrid CF2/AOT14 in terms of the aqueous behaviour and w/c phase stability. Hybrid CF2/AOT14GLU more effectively decreased the air-water surface tension by ∼2 mN m⁻¹ and lowering the cloud pressures on CO₂ by ∼150 bar.

Original language	English
Pages (from-to)	148-154
Number of pages	7
Journal	Journal of Supercritical Fluids
Volume	116
Early online date	10 May 2016
DOIs	https://doi.org/10.1016/j.supflu.2016.04.018
Publication status	Published - Oct 2016

Keywords

CO2-philic surfactant
supercritical carbon dioxide (sc-CO2)
w/c microemulsions
surfactant headgroup

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10.1016/j.supflu.2016.04.018

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This is the author accepted manuscript (AAM). The final published version (version of record) is available online via Elsevier at http://www.sciencedirect.com/science/article/pii/S0896844616301024. Please refer to any applicable terms of use of the publisher.
Accepted author manuscript, 354 KBLicence: CC BY-NC-ND

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New low surface energy materials
Eastoe, J.
7/01/13 → 7/01/16
Project: Research
NEUTRON SCATTERING STUDIES OF CO2-BASED GELS
Eastoe, J.
1/10/08 → 1/10/12
Project: Research

Cite this

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title = "Effect of surfactant headgroup on low-fluorine-content CO2-philic hybrid surfactants",

abstract = "The article addresses the role of surfactant headgroup structure on hybrid surfactant performance for water-in-CO2 (w/c) microemulsion stabilization. The synthetic procedure, aqueous properties, and phase behaviour of a new hybrid sulfoglutarate surfactant are described. The sulfoglutarate version has an extra methylene group incorporated into the hydrophilic headgroup. The related hydrocarbon (AOT14 and AOT14GLU) and fluorocarbon (di-CF2 and di-CF2GLU) surfactants were used to form w/c microemulsions. For these two groups, the aqueous properties and w/c phase stability of both sulfoglutarates and sulfosuccinates were found to be similar. The newly synthesized hybrid CF2/AOT14GLU (sodium (4H,4H,5H,5H,5H-pentafluoropentyl-2,2-dimethyl-1-propyl)-2-sulfoglutarate) proved to be more efficient than the normal sulfosuccinate, hybrid CF2/AOT14 in terms of the aqueous behaviour and w/c phase stability. Hybrid CF2/AOT14GLU more effectively decreased the air-water surface tension by ∼2 mN m−1 and lowering the cloud pressures on CO2 by ∼150 bar.",

keywords = "CO2-philic surfactant, supercritical carbon dioxide (sc-CO2), w/c microemulsions, surfactant headgroup",

author = "Azmi Mohamed and Tretya Ardyani and Bakar, {Suriani Abu} and Masanobu Sagisaka and Shinji Ono and Tsuyoshi Narumi and Makoto Kubota and Paul Brown and Julian Eastoe",

year = "2016",

month = oct,

doi = "10.1016/j.supflu.2016.04.018",

language = "English",

volume = "116",

pages = "148--154",

journal = "Journal of Supercritical Fluids",

issn = "0896-8446",

publisher = "Amsterdam:Elsevier",

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TY - JOUR

T1 - Effect of surfactant headgroup on low-fluorine-content CO2-philic hybrid surfactants

AU - Mohamed, Azmi

AU - Ardyani, Tretya

AU - Bakar, Suriani Abu

AU - Sagisaka, Masanobu

AU - Ono, Shinji

AU - Narumi, Tsuyoshi

AU - Kubota, Makoto

AU - Brown, Paul

AU - Eastoe, Julian

PY - 2016/10

Y1 - 2016/10

N2 - The article addresses the role of surfactant headgroup structure on hybrid surfactant performance for water-in-CO2 (w/c) microemulsion stabilization. The synthetic procedure, aqueous properties, and phase behaviour of a new hybrid sulfoglutarate surfactant are described. The sulfoglutarate version has an extra methylene group incorporated into the hydrophilic headgroup. The related hydrocarbon (AOT14 and AOT14GLU) and fluorocarbon (di-CF2 and di-CF2GLU) surfactants were used to form w/c microemulsions. For these two groups, the aqueous properties and w/c phase stability of both sulfoglutarates and sulfosuccinates were found to be similar. The newly synthesized hybrid CF2/AOT14GLU (sodium (4H,4H,5H,5H,5H-pentafluoropentyl-2,2-dimethyl-1-propyl)-2-sulfoglutarate) proved to be more efficient than the normal sulfosuccinate, hybrid CF2/AOT14 in terms of the aqueous behaviour and w/c phase stability. Hybrid CF2/AOT14GLU more effectively decreased the air-water surface tension by ∼2 mN m−1 and lowering the cloud pressures on CO2 by ∼150 bar.

AB - The article addresses the role of surfactant headgroup structure on hybrid surfactant performance for water-in-CO2 (w/c) microemulsion stabilization. The synthetic procedure, aqueous properties, and phase behaviour of a new hybrid sulfoglutarate surfactant are described. The sulfoglutarate version has an extra methylene group incorporated into the hydrophilic headgroup. The related hydrocarbon (AOT14 and AOT14GLU) and fluorocarbon (di-CF2 and di-CF2GLU) surfactants were used to form w/c microemulsions. For these two groups, the aqueous properties and w/c phase stability of both sulfoglutarates and sulfosuccinates were found to be similar. The newly synthesized hybrid CF2/AOT14GLU (sodium (4H,4H,5H,5H,5H-pentafluoropentyl-2,2-dimethyl-1-propyl)-2-sulfoglutarate) proved to be more efficient than the normal sulfosuccinate, hybrid CF2/AOT14 in terms of the aqueous behaviour and w/c phase stability. Hybrid CF2/AOT14GLU more effectively decreased the air-water surface tension by ∼2 mN m−1 and lowering the cloud pressures on CO2 by ∼150 bar.

KW - CO2-philic surfactant

KW - supercritical carbon dioxide (sc-CO2)

KW - w/c microemulsions

KW - surfactant headgroup

U2 - 10.1016/j.supflu.2016.04.018

DO - 10.1016/j.supflu.2016.04.018

M3 - Article (Academic Journal)

SN - 0896-8446

VL - 116

SP - 148

EP - 154

JO - Journal of Supercritical Fluids

JF - Journal of Supercritical Fluids

ER -

Effect of surfactant headgroup on low-fluorine-content CO2-philic hybrid surfactants

Abstract

Keywords

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New low surface energy materials

NEUTRON SCATTERING STUDIES OF CO2-BASED GELS

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Effect of surfactant headgroup on low-fluorine-content CO₂-philic hybrid surfactants