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20231225091827.0 |
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231225s2019 xx |||||o 00| ||eng c |
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|a 10.1021/acs.langmuir.8b04230
|2 doi
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|a DE-627
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|a eng
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| 100 |
1 |
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|a Zhu, Xiaolong
|e verfasserin
|4 aut
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| 245 |
1 |
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|a Interaction of Particles with Surfactant Thin Films
|b Implications for Dust Suppression
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| 264 |
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|c 2019
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|a Text
|b txt
|2 rdacontent
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|a ƒaComputermedien
|b c
|2 rdamedia
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|a ƒa Online-Ressource
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|a Date Revised 23.07.2019
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|a published: Print-Electronic
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|a Citation Status PubMed-not-MEDLINE
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|a Understanding the interaction of particles with foams is important in antifoaming applications and dust suppression. In the former, the aim is for the particles to break the foam, whereas in the latter it is desirable that the stability of the foam is maintained or enhanced. The interaction of particles of different wettabilities with thin surfactant films is investigated with a Sheludko cell, enabling the thinning and rupture of the films to be studied in the presence and absence of a particle, using white-light interferometry. The films were prepared from the surfactant cetyltrimethylammonium bromide and a commercial dust suppression foaming agent. The film lifetimes are extended upon the addition of hydrophilic particles and reduced upon the addition of hydrophobic particles with advancing contact angles >90°. The Laplace pressure in the film surrounding a particle is calculated as a function of the contact angle and particle size, revealing that the meniscus surrounding hydrophilic particles has a positive Laplace pressure, which increases the lifetime of the film
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|a Journal Article
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1 |
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|a Wang, Deming
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Craig, Vincent S 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 35(2019), 24 vom: 18. Juni, Seite 7641-7649
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|x 1520-5827
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| 773 |
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|g volume:35
|g year:2019
|g number:24
|g day:18
|g month:06
|g pages:7641-7649
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|u http://dx.doi.org/10.1021/acs.langmuir.8b04230
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