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Chain flattening and infrared dichroism of adsorbed poly(ethylene oxide)

Author(s)
Enriquez, EP, Granick, S
Issued Date
1996-08
DOI
10.1016/0927-7757(96)03519-4
URI
https://scholarworks.unist.ac.kr/handle/201301/47431
Fulltext
https://www.sciencedirect.com/science/article/pii/0927775796035194?via%3Dihub
Citation
COLLOIDS AND SURFACES A-PHYSICOCHEMICAL AND ENGINEERING ASPECTS, v.113, no.1-2, pp.11 - 17
Abstract
The adsorption of poly(ethylene oxide), PEG, from dilute solutions in 1 mM aqueous NaCl to germanium at 30 degrees C, was investigated by polarized infrared spectroscopy in attenuated total internal reflection (ATR). PEO aggregation could be prevented with careful sample preparation. After adsorption, chain anisotropy was deduced from the C-O-C stretching vibrations along the polymer backbone and found to indicate substantial backbone alignment parallel to the surface.
Publisher
ELSEVIER SCIENCE BV
ISSN
0927-7757
Keyword (Author)
adsorption, chain anisotropy, infrared dichroism, poly(ethylene oxide)
Keyword
POLYMER ADSORPTION, POLYETHYLENE OXIDE, MOLECULAR-WEIGHT, KINETIC TRAPS, SILICA, WATER, POLYSTYRENE, THICKNESS, BEHAVIOR, SOLVENT

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