Surface tension determination with a Teflon rod

Jeffrey T. Buboltz; Juyang Huang; Gerald W. Feigenson

doi:10.1021/la990291t

Surface tension determination with a Teflon rod

Jeffrey T. Buboltz, Juyang Huang, Gerald W. Feigenson

Physics

Research output: Contribution to journal › Article › peer-review

8 Scopus citations

Abstract

The rod-pull method originally described by Padday has proven a useful technique for the determination of surface tension. However, as generally practiced, it requires that the sample wets well the bottom of the rod. A variation on this method is described in which a low surface energy substrate makes contact with the sample. A smooth-bottomed rod of Teflon is used, and the surface tension of nonwetting samples is determined by fitting an experimental force curve to a family of simulated curves. The use of a low surface energy substrate may be of some utility in the study of fragile interfacial films.

Original language	English
Pages (from-to)	5444-5447
Number of pages	4
Journal	Langmuir
Volume	15
Issue number	17
DOIs	https://doi.org/10.1021/la990291t
State	Published - Aug 17 1999

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abstract = "The rod-pull method originally described by Padday has proven a useful technique for the determination of surface tension. However, as generally practiced, it requires that the sample wets well the bottom of the rod. A variation on this method is described in which a low surface energy substrate makes contact with the sample. A smooth-bottomed rod of Teflon is used, and the surface tension of nonwetting samples is determined by fitting an experimental force curve to a family of simulated curves. The use of a low surface energy substrate may be of some utility in the study of fragile interfacial films.",

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AU - Feigenson, Gerald W.

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N2 - The rod-pull method originally described by Padday has proven a useful technique for the determination of surface tension. However, as generally practiced, it requires that the sample wets well the bottom of the rod. A variation on this method is described in which a low surface energy substrate makes contact with the sample. A smooth-bottomed rod of Teflon is used, and the surface tension of nonwetting samples is determined by fitting an experimental force curve to a family of simulated curves. The use of a low surface energy substrate may be of some utility in the study of fragile interfacial films.

AB - The rod-pull method originally described by Padday has proven a useful technique for the determination of surface tension. However, as generally practiced, it requires that the sample wets well the bottom of the rod. A variation on this method is described in which a low surface energy substrate makes contact with the sample. A smooth-bottomed rod of Teflon is used, and the surface tension of nonwetting samples is determined by fitting an experimental force curve to a family of simulated curves. The use of a low surface energy substrate may be of some utility in the study of fragile interfacial films.

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JO - Langmuir

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Surface tension determination with a Teflon rod

Abstract

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