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231223s2009 xx |||||o 00| ||eng c |
| 024 |
7 |
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|a 10.1021/la900895z
|2 doi
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|a DE-627
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| 041 |
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|a eng
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| 100 |
1 |
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|a Sheibat-Othman, N
|e verfasserin
|4 aut
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| 245 |
1 |
0 |
|a Use of silica particles for the formation of organic-inorganic particles by surfactant-free emulsion polymerization
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|c 2009
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|a Text
|b txt
|2 rdacontent
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|a ƒaComputermedien
|b c
|2 rdamedia
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| 338 |
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|a ƒa Online-Ressource
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|2 rdacarrier
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| 500 |
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|a Date Completed 03.11.2009
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|a Date Revised 26.08.2009
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|a published: Print
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|a Citation Status PubMed-not-MEDLINE
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|a Polystyrene/silica (PS/SiO(2)) and poly(styrene-co-methyl methacrylate)/SiO(2) composite latex particles were prepared by surfactant-free emulsion polymerization in the presence of a poly(ethylene glycol) monomethylether methacrylate (PEGMA) macromonomer. The resulting composite particles were stabilized by the negatively charged silica particles that adhered to the surface of the latex particles. Different process parameters were investigated in order to optimize the latex stability and maximize the reaction rate. Mixing in such a surfactant-free process is of major importance and is mainly determined by the type of impeller used during the emulsification. The concentrations of PEGMA and silica particles were also optimized in order to improve the interaction between the organic and inorganic phases and ensure a good latex stability. The presence of silica particles on the polymer particle surface was found to affect radical absorption and decrease therefore the reaction rate
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| 650 |
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4 |
|a Journal Article
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1 |
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|a Bourgeat-Lami, E
|e verfasserin
|4 aut
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| 773 |
0 |
8 |
|i Enthalten in
|t Langmuir : the ACS journal of surfaces and colloids
|d 1991
|g 25(2009), 17 vom: 01. Sept., Seite 10121-33
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|x 1520-5827
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|g volume:25
|g year:2009
|g number:17
|g day:01
|g month:09
|g pages:10121-33
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|u http://dx.doi.org/10.1021/la900895z
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