Time-resolved Fourier transform infrared/attenuated total reflection spectroscopy for the measurement of molecular diffusion in polymers

Over the past 2 decades, the use of time‐resolved Fourier transform infrared/attenuated total reflection (ATR) spectroscopy for the measurement of diffusion in polymers has grown. ATR is a powerful technique for the measurement of diffusion in polymers because it is an in situ technique that is rela...

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Bibliographic Details
Published in:Journal of polymer science. Part B, Polymer physics Polymer physics, 2003-11, Vol.41 (22), p.2794-2807
Main Authors: Elabd, Yossef A., Baschetti, Marco Giacinti, Barbari, Timothy A.
Format: Article
Language:English
Subjects:
Applied sciences
diffusion
drug delivery systems
Exact sciences and technology
infrared spectroscopy
membranes
Miscellaneous
Organic polymers
Physicochemistry of polymers
Properties and characterization
sensors
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Summary:Over the past 2 decades, the use of time‐resolved Fourier transform infrared/attenuated total reflection (ATR) spectroscopy for the measurement of diffusion in polymers has grown. ATR is a powerful technique for the measurement of diffusion in polymers because it is an in situ technique that is relatively inexpensive, provides reliable short‐time data, and provides a wealth of information at the molecular level. This article highlights the technique and its application to numerous studies, ranging from the diffusion of drugs in human skin to chemical warfare agents in barrier materials. In addition to these topics, recent studies with ATR to quantify and model molecular interactions during the diffusion process are reviewed. In the future, the ATR technique may have an impact on a variety of emerging fields in which diffusion in polymers plays an important role, such as fuel cells, membrane separation, sensors, and drug delivery. © 2003 Wiley Periodicals, Inc. J Polym Sci Part B: Polym Phys 41: 2794–2807, 2003
ISSN:0887-6266
1099-0488
DOI:10.1002/polb.10661