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Molecular interactions behind the synergistic effect in mixed monolayers of 1-octadecanol and ethylene glycol monooctadecyl ether
journal contribution
posted on 2013-01-01, 00:00 authored by D N H Tran, Emma PrimeEmma Prime, M Plazzer, A H M Leung, G Yiapanis, A J Christofferson, I Yarovsky, G G Qiao, D H SolomonMixed monolayers of 1-octadecanol (C18OH) and ethylene glycol monooctadecyl ether (C18E1) were studied to assess their evaporation suppressing performance. An unexpected increase in performance and stability was found around the 0.5:0.5 bicomponent mixture and has been ascribed to a synergistic effect of the monolayers. Molecular dynamics simulations have attributed this to an additional hydrogen bonding interaction between the monolayer and water, due to the exposed ether oxygen of C18E1 in the mixed system compared to the same ether oxygen in the pure C18E1 system. This interaction is maximized around the 0.5:0.5 ratio due to the particular interfacial geometry associated with this mixture.
History
Journal
Journal of physical chemistry BVolume
117Issue
13Pagination
3603 - 3612Publisher
American Chemical SocietyLocation
Columbus, OH.Publisher DOI
eISSN
1520-5207Language
engPublication classification
C Journal article; C1.1 Refereed article in a scholarly journalCopyright notice
2013, American Chemical SocietyUsage metrics
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