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|a pubmed24n0574.xml
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|a (DE-627)NLM17230718X
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|a (NLM)17718522
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|a DE-627
|b ger
|c DE-627
|e rakwb
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|a eng
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1 |
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|a Zhao, Guangqiang
|e verfasserin
|4 aut
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|a Three-phase separation in nonionic surfactant/hydrophobically modified polymer aqueous mixtures
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|c 2007
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|a Text
|b txt
|2 rdacontent
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|a ohne Hilfsmittel zu benutzen
|b n
|2 rdamedia
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|a Band
|b nc
|2 rdacarrier
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|a Date Completed 13.11.2007
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|a Date Revised 18.09.2007
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|a published: Print-Electronic
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|a Citation Status PubMed-not-MEDLINE
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|a Three-phase separation for Triton X-114 or Triton X-100 solutions with addition of hydrophobically modified hydroxyethyl cellulose was investigated experimentally. When the surfactant concentration was high enough, the solution slightly above the cloud point could separate into three macroscopic phases: a cloudy phase in between a clear phase and a bluish, translucent phase. The rate of phase separation was very low with the formation of the clear and cloudy phases followed by the emergence of the bluish phase. The volume fraction of the cloudy phase increases linearly with the global polymer concentration, whereas the volume fraction of the bluish phase increases linearly with the global surfactant concentration. Composition analyses found that most of the polymer stayed in the cloudy phase, as opposed to most of the surfactant in the bluish phase. The interesting phase behavior can be explained by an initial associative phase separation followed by a segregative phase separation in the cloudy phase
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|a Journal Article
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|a Chen, Shing Bor
|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 23(2007), 20 vom: 25. Sept., Seite 9967-73
|w (DE-627)NLM098181009
|x 1520-5827
|7 nnns
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773 |
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|g volume:23
|g year:2007
|g number:20
|g day:25
|g month:09
|g pages:9967-73
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|d 23
|j 2007
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|b 25
|c 09
|h 9967-73
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