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231224s2014 xx |||||o 00| ||eng c |
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|a 10.1021/la501028f
|2 doi
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|a eng
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| 100 |
1 |
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|a Ballard, Nicholas
|e verfasserin
|4 aut
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| 245 |
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|a Surfactant kinetics and their importance in nucleation events in (mini)emulsion polymerization revealed by quartz crystal microbalance with dissipation monitoring
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|c 2014
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|a Text
|b txt
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|a ƒaComputermedien
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|a Date Completed 11.05.2015
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|a Date Revised 05.08.2014
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|a published: Print-Electronic
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|a Citation Status PubMed-not-MEDLINE
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|a Surfactants are vital components of almost all heterogeneous polymerizations for maintaining colloidal stability, but they also play an important role in the kinetics and mechanism of particle nucleation. Despite many decades of research, the knowledge of adsorption-desorption surfactant kinetics and their application in (mini)emulsion polymerization is largely based on qualitative arguments. In this paper we show that the use of a quartz crystal microbalance with dissipation monitoring can provide quantitative information on both the adsorption equilibrium of ionic and nonionic surfactants, and also the kinetics of adsorption/desorption, that can be applied to the understanding of nucleation processes in (mini)emulsion polymerization. We show that surfactant dynamics and nucleation phenomena in (mini)emulsion polymerization are not dominated by diffusion phenomena linked to molecular size of surfactant as previously thought but rather are driven by the large differences in the rate of surfactant adsorption and desorption at the polymer-water interface. Finally, we show the application of this knowledge to explain the differences between nucleation processes for ionic and nonionic surfactants in emulsion polymerization
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|a Journal Article
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1 |
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|a Urrutia, Jone
|e verfasserin
|4 aut
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1 |
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|a Eizagirre, Simone
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Schäfer, Thomas
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Diaconu, Gabriela
|e verfasserin
|4 aut
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| 700 |
1 |
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|a de la Cal, José C
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Asua, José M
|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 30(2014), 30 vom: 05. Aug., Seite 9053-62
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|g volume:30
|g year:2014
|g number:30
|g day:05
|g month:08
|g pages:9053-62
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| 856 |
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|u http://dx.doi.org/10.1021/la501028f
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