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231223s2010 xx |||||o 00| ||eng c |
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|a 10.1021/la103963z
|2 doi
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|a pubmed24n0679.xml
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|a DE-627
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|e rakwb
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|a eng
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| 100 |
1 |
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|a Rodriguez-Hernandez, Juan
|e verfasserin
|4 aut
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| 245 |
1 |
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|a Environmentally responsive particles
|b from superhydrophobic particle films to water-dispersible microspheres
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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 17.03.2011
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|a Date Revised 25.11.2016
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|a published: Print-Electronic
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|a Citation Status MEDLINE
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|a We describe the preparation, by precipitation copolymerization, of multifunctional divinylbenzene-co-pentafluorostyrene microspheres able to produce superhydrophobic surfaces or disperse in aqueous media upon annealing either in air or water, respectively. For that purpose, an amphiphilic block copolymer, polystyrene-b-poly(acrylic acid), was introduced in the initial feed composed of divinylbenzene and 2,3,4,5,6-pentafluorostyrene. As a result, fluorinated particles were obtained in which the diblock copolymer was encapsulated during the polymerization step. Upon annealing in dry air, the particles are completely hydrophobic and form superhydrophobic surfaces. On the contrary, annealing in water induces the reorientation of the PAA groups toward the particle interface, thus the particles can be dispersed in aqueous media. In addition, the presence of carboxylic acid groups at the particle interface permits us to switch the surface charge between negative and neutral depending on the environmental pH
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|a Journal Article
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|a Research Support, Non-U.S. Gov't
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|a Acrylic Resins
|2 NLM
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|a Water
|2 NLM
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|a 059QF0KO0R
|2 NLM
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|a carbopol 940
|2 NLM
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|a 4Q93RCW27E
|2 NLM
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|a Muñoz-Bonilla, Alexandra
|e verfasserin
|4 aut
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|a Bousquet, Antoine
|e verfasserin
|4 aut
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|a Ibarboure, Emmanuel
|e verfasserin
|4 aut
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|a Papon, Eric
|e verfasserin
|4 aut
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| 773 |
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|i Enthalten in
|t Langmuir : the ACS journal of surfaces and colloids
|d 1992
|g 26(2010), 24 vom: 21. Dez., Seite 18617-20
|w (DE-627)NLM098181009
|x 1520-5827
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| 773 |
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|g volume:26
|g year:2010
|g number:24
|g day:21
|g month:12
|g pages:18617-20
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|u http://dx.doi.org/10.1021/la103963z
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