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231223s2010 xx |||||o 00| ||eng c |
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7 |
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|a 10.1021/la101786r
|2 doi
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|a pubmed24n0665.xml
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|a (NLM)20608687
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|e rakwb
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|a eng
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| 100 |
1 |
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|a Pu, Gang
|e verfasserin
|4 aut
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1 |
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|a Drop behavior on a thermally-stripped acrylic polymer
|b influence of surface tension induced wetting ridge formation on retention and running
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|c 2010
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|a Text
|b txt
|2 rdacontent
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|a ƒaComputermedien
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|2 rdamedia
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|a ƒa Online-Ressource
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|a Date Completed 04.11.2010
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|a Date Revised 25.11.2016
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|a published: Print
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|a Citation Status MEDLINE
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|a Results are reviewed from a study on retention and running of water and other liquids on tilted, polymer coated surfaces. The polymer is a thermally-stripped, solvent-borne acrylic composed primarily of the monomer 2-ethylhexyl acrylate, providing a soft and viscoelastic substrate absent of contaminants. It is shown that drop retention does not obey standard models, which assume dominance of capillary forces in offsetting drop weight for tilted plates. For these surfaces, maximum volumes correlate with capillary lengths, and distinct deformations, which vary in magnitude depending on location, are apparent over the entire drop perimeter. Deformation images indicate that running, which in real time appears to be continuous motion, actually proceeds through a series of steps beginning with the failure of the front edge wetting line. This produces a relatively large translation of the drop's front edge down the plate surface stretching the drop. This is followed by multiple failures at the rear edge producing a series of small translations, contracting the drop volume to a more spherical-like geometry. Repetition of this mechanism results in the appearance of propagation similar to that employed by an inchworm. The proposed mechanism is consistent with images of drop movement and deformations induced on polymer surfaces, which are apparent subsequent to the running process
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|a Journal Article
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|a Research Support, U.S. Gov't, Non-P.H.S.
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| 650 |
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|a Acrylates
|2 NLM
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|a Polymers
|2 NLM
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|a 2-ethylhexyl acrylate
|2 NLM
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| 650 |
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|a HR49R9S6XG
|2 NLM
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| 700 |
1 |
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|a Ai, Jun
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|4 aut
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| 700 |
1 |
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|a Severtson, Steven J
|e verfasserin
|4 aut
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| 773 |
0 |
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|i Enthalten in
|t Langmuir : the ACS journal of surfaces and colloids
|d 1992
|g 26(2010), 15 vom: 03. Aug., Seite 12696-702
|w (DE-627)NLM098181009
|x 1520-5827
|7 nnns
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|g volume:26
|g year:2010
|g number:15
|g day:03
|g month:08
|g pages:12696-702
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|u http://dx.doi.org/10.1021/la101786r
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