Physical origins of low surface tensions

Joseph A. Zasadzinski; A. von Nahmen; K. Graf; J. Ding; A. J. Waring

Physical origins of low surface tensions

Joseph A. Zasadzinski, A. von Nahmen, K. Graf, J. Ding, A. J. Waring

Chemical Engineering and Materials Science

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

Abstract

The minimum surface tension and respreadability of a surfactant monolayer is limited by a two to three dimensional instability called collapse. Liquid-condensed or solid phase monolayers collapse via fracture followed by loss of material. Liquid-expanded monolayers collapse by solubilization into the subphase. Monolayers that retain a continuous LE phase network surrounding islands of LC or S phase collapse at lower surface tensions via a localized, large amplitude buckling. The buckled regions coexist with the flat monolayer, remain attached to the interface and are reversibly reincorporated into the monolayer upon expansion. Synthetic replacement surfactants must be designed to reproduce this unique phase behavior for optimal function.

Original language	English (US)
Title of host publication	Annual International Conference of the IEEE Engineering in Medicine and Biology - Proceedings
Publisher	IEEE
Number of pages	1
ISBN (Print)	0780356756
State	Published - Dec 1 1999
Event	Proceedings of the 1999 IEEE Engineering in Medicine and Biology 21st Annual Conference and the 1999 Fall Meeting of the Biomedical Engineering Society (1st Joint BMES / EMBS) - Atlanta, GA, USA Duration: Oct 13 1999 → Oct 16 1999

Publication series

Name	Annual International Conference of the IEEE Engineering in Medicine and Biology - Proceedings
Volume	1
ISSN (Print)	0589-1019

Other

Other	Proceedings of the 1999 IEEE Engineering in Medicine and Biology 21st Annual Conference and the 1999 Fall Meeting of the Biomedical Engineering Society (1st Joint BMES / EMBS)
City	Atlanta, GA, USA
Period	10/13/99 → 10/16/99

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Physical origins of low surface tensions. / Zasadzinski, Joseph A.; von Nahmen, A.; Graf, K. et al.

Annual International Conference of the IEEE Engineering in Medicine and Biology - Proceedings. IEEE, 1999. (Annual International Conference of the IEEE Engineering in Medicine and Biology - Proceedings; Vol. 1).

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

Zasadzinski, JA, von Nahmen, A, Graf, K, Ding, J & Waring, AJ 1999, Physical origins of low surface tensions. in Annual International Conference of the IEEE Engineering in Medicine and Biology - Proceedings. Annual International Conference of the IEEE Engineering in Medicine and Biology - Proceedings, vol. 1, IEEE, Proceedings of the 1999 IEEE Engineering in Medicine and Biology 21st Annual Conference and the 1999 Fall Meeting of the Biomedical Engineering Society (1st Joint BMES / EMBS), Atlanta, GA, USA, 10/13/99.

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AU - Zasadzinski, Joseph A.

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AU - Ding, J.

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Y1 - 1999/12/1

N2 - The minimum surface tension and respreadability of a surfactant monolayer is limited by a two to three dimensional instability called collapse. Liquid-condensed or solid phase monolayers collapse via fracture followed by loss of material. Liquid-expanded monolayers collapse by solubilization into the subphase. Monolayers that retain a continuous LE phase network surrounding islands of LC or S phase collapse at lower surface tensions via a localized, large amplitude buckling. The buckled regions coexist with the flat monolayer, remain attached to the interface and are reversibly reincorporated into the monolayer upon expansion. Synthetic replacement surfactants must be designed to reproduce this unique phase behavior for optimal function.

AB - The minimum surface tension and respreadability of a surfactant monolayer is limited by a two to three dimensional instability called collapse. Liquid-condensed or solid phase monolayers collapse via fracture followed by loss of material. Liquid-expanded monolayers collapse by solubilization into the subphase. Monolayers that retain a continuous LE phase network surrounding islands of LC or S phase collapse at lower surface tensions via a localized, large amplitude buckling. The buckled regions coexist with the flat monolayer, remain attached to the interface and are reversibly reincorporated into the monolayer upon expansion. Synthetic replacement surfactants must be designed to reproduce this unique phase behavior for optimal function.

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T3 - Annual International Conference of the IEEE Engineering in Medicine and Biology - Proceedings

BT - Annual International Conference of the IEEE Engineering in Medicine and Biology - Proceedings

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T2 - Proceedings of the 1999 IEEE Engineering in Medicine and Biology 21st Annual Conference and the 1999 Fall Meeting of the Biomedical Engineering Society (1st Joint BMES / EMBS)

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ER -

Physical origins of low surface tensions

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