A. Briddick
Surfactant and Plasticizer Segregation in Thin Poly(vinyl alcohol) Films
Briddick, A.; Li, P.; Hughes, A.; Courchay, F.; Martinez, A.; Thompson, R.L.
Authors
P. Li
A. Hughes
F. Courchay
A. Martinez
Dr Richard Thompson r.l.thompson@durham.ac.uk
Associate Professor
Abstract
The vertical depth distributions of individual additive components [cetyltrimethylammonium bromide (CTAB), deuterated pentaethylene glycol monododecyl ether (d25-C12E5), and deuterated glycerol (d-glycerol)] in PVA films have been isolated and explored by ion beam analysis techniques and neutron reflectometry. The additives display an unexpectedly rich variety of surface and interfacial behaviors in spin-cast films. In separate binary films with PVA, both d-glycerol and CTAB were evenly distributed, whereas d25-C12E5 showed clear evidence for surface and interfacial segregation. The behavior of each surfactant in PVA was reversed when the plasticizer (glycerol) was also incorporated into the films. With increasing plasticizer content, the surface activity of d25-C12E5 systematically decreased, but remarkably, when glycerol and CTAB were present in PVA, the surface and interfacial activities of CTAB increased dramatically in the presence of glycerol. Quantification of the surface excess by ion beam analysis revealed that, in many cases, the adsorbed quantity far exceeded what could reasonably be explained by a single layer, thus indicating a wetting transition of the small molecules at the surface or interface of the film. It appears that the surface and interfacial behaviors are partly driven by the relative surface energies of the components, but are also significantly augmented by the incompatibility of the components.
Citation
Briddick, A., Li, P., Hughes, A., Courchay, F., Martinez, A., & Thompson, R. (2016). Surfactant and Plasticizer Segregation in Thin Poly(vinyl alcohol) Films. Langmuir, 32(3), 864-872. https://doi.org/10.1021/acs.langmuir.5b03758
Journal Article Type | Article |
---|---|
Acceptance Date | Dec 30, 2015 |
Online Publication Date | Dec 30, 2015 |
Publication Date | 2016 |
Deposit Date | Jan 22, 2016 |
Publicly Available Date | Dec 30, 2016 |
Journal | Langmuir |
Print ISSN | 0743-7463 |
Electronic ISSN | 1520-5827 |
Publisher | American Chemical Society |
Peer Reviewed | Peer Reviewed |
Volume | 32 |
Issue | 3 |
Pages | 864-872 |
DOI | https://doi.org/10.1021/acs.langmuir.5b03758 |
Public URL | https://durham-repository.worktribe.com/output/1394251 |
Files
Journal Article
(1.9 Mb)
PDF
Published Journal Article
(1.1 Mb)
PDF
Publisher Licence URL
http://creativecommons.org/licenses/by/4.0/
Copyright Statement
This is an open access article published under a Creative Commons Attribution (CC-BY) License, which permits unrestricted use, distribution and reproduction in any medium, provided the author and source are cited.
You might also like
Well defined multi end-functionalized polymers as additives to modify surfaces and interfaces
(2006)
Presentation / Conference Contribution
Fluorocarbon end-functionalized polymers from poly(arylether) dendritic initiators
(2006)
Presentation / Conference Contribution
Modulated Fluorescence in LB Films Based on DADQs—A Potential Sensing Surface?
(2022)
Journal Article
Synthesis and characterisation of a mussel-inspired hydrogel film coating for biosensors
(2021)
Journal Article
Downloadable Citations
About Durham Research Online (DRO)
Administrator e-mail: dro.admin@durham.ac.uk
This application uses the following open-source libraries:
SheetJS Community Edition
Apache License Version 2.0 (http://www.apache.org/licenses/)
PDF.js
Apache License Version 2.0 (http://www.apache.org/licenses/)
Font Awesome
SIL OFL 1.1 (http://scripts.sil.org/OFL)
MIT License (http://opensource.org/licenses/mit-license.html)
CC BY 3.0 ( http://creativecommons.org/licenses/by/3.0/)
Powered by Worktribe © 2024
Advanced Search