Crystallisation of sodium dodecyl sulfate and the corresponding effect of 1-dodecanol addition

Research output: Contribution to journalArticlepeer-review

Standard

Crystallisation of sodium dodecyl sulfate and the corresponding effect of 1-dodecanol addition. / Summerton, Emily; Zimbitas, Georgina; Britton, Melanie; Bakalis, Serafim.

In: Journal of Crystal Growth, Vol. 455, 01.12.2016, p. 111-116.

Research output: Contribution to journalArticlepeer-review

Harvard

APA

Vancouver

Author

Bibtex

@article{4b91140bd9e54c36aea312250e86f4a3,
title = "Crystallisation of sodium dodecyl sulfate and the corresponding effect of 1-dodecanol addition",
abstract = "Sodium dodecyl sulfate (SDS) exhibits crystallisation upon exposure to low temperatures, which can pose a problem in terms of product stability. In this study, non-isothermal crystallisation of SDS is investigated via differential scanning calorimetry (DSC) at concentrations that are typical of those present in many industrial liquid detergents. At different low temperatures, the crystal structures are analysed with X-ray diffraction (XRD) and it is concluded that ice formation during the surfactant crystallisation process occurs below 0 °C. The capability of the alcohol precursor, 1-dodecanol, as a seeding material for SDS crystallisation is also investigated through the use of DSC and optical microscopy. These results show that 1-dodecanol can successfully act as a seed for SDS crystallisation. Upon cooling an SDS aqueous system, the crystallisation peak in the DSC thermogram shifts to a higher temperature in the presence of 1-dodecanol. Therefore, any remnant alcohol precursor in surfactant-based formulations could have a negative impact on the product stability upon exposure to cold climates.",
keywords = "A1 Nucleation, A1 Differential scanning calorimetry, A1 Optical microscopy, A2 Industrial crystallisation, B1 1-dodecanol, B1 Sodium dodecyl sulfate",
author = "Emily Summerton and Georgina Zimbitas and Melanie Britton and Serafim Bakalis",
year = "2016",
month = dec,
day = "1",
doi = "10.1016/j.jcrysgro.2016.10.005",
language = "English",
volume = "455",
pages = "111--116",
journal = "Journal of Crystal Growth",
issn = "0022-0248",
publisher = "Elsevier",

}

RIS

TY - JOUR

T1 - Crystallisation of sodium dodecyl sulfate and the corresponding effect of 1-dodecanol addition

AU - Summerton, Emily

AU - Zimbitas, Georgina

AU - Britton, Melanie

AU - Bakalis, Serafim

PY - 2016/12/1

Y1 - 2016/12/1

N2 - Sodium dodecyl sulfate (SDS) exhibits crystallisation upon exposure to low temperatures, which can pose a problem in terms of product stability. In this study, non-isothermal crystallisation of SDS is investigated via differential scanning calorimetry (DSC) at concentrations that are typical of those present in many industrial liquid detergents. At different low temperatures, the crystal structures are analysed with X-ray diffraction (XRD) and it is concluded that ice formation during the surfactant crystallisation process occurs below 0 °C. The capability of the alcohol precursor, 1-dodecanol, as a seeding material for SDS crystallisation is also investigated through the use of DSC and optical microscopy. These results show that 1-dodecanol can successfully act as a seed for SDS crystallisation. Upon cooling an SDS aqueous system, the crystallisation peak in the DSC thermogram shifts to a higher temperature in the presence of 1-dodecanol. Therefore, any remnant alcohol precursor in surfactant-based formulations could have a negative impact on the product stability upon exposure to cold climates.

AB - Sodium dodecyl sulfate (SDS) exhibits crystallisation upon exposure to low temperatures, which can pose a problem in terms of product stability. In this study, non-isothermal crystallisation of SDS is investigated via differential scanning calorimetry (DSC) at concentrations that are typical of those present in many industrial liquid detergents. At different low temperatures, the crystal structures are analysed with X-ray diffraction (XRD) and it is concluded that ice formation during the surfactant crystallisation process occurs below 0 °C. The capability of the alcohol precursor, 1-dodecanol, as a seeding material for SDS crystallisation is also investigated through the use of DSC and optical microscopy. These results show that 1-dodecanol can successfully act as a seed for SDS crystallisation. Upon cooling an SDS aqueous system, the crystallisation peak in the DSC thermogram shifts to a higher temperature in the presence of 1-dodecanol. Therefore, any remnant alcohol precursor in surfactant-based formulations could have a negative impact on the product stability upon exposure to cold climates.

KW - A1 Nucleation

KW - A1 Differential scanning calorimetry

KW - A1 Optical microscopy

KW - A2 Industrial crystallisation

KW - B1 1-dodecanol

KW - B1 Sodium dodecyl sulfate

U2 - 10.1016/j.jcrysgro.2016.10.005

DO - 10.1016/j.jcrysgro.2016.10.005

M3 - Article

VL - 455

SP - 111

EP - 116

JO - Journal of Crystal Growth

JF - Journal of Crystal Growth

SN - 0022-0248

ER -