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231223s2009 xx |||||o 00| ||eng c |
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|a 10.1021/la900753r
|2 doi
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|a pubmed24n0630.xml
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|a (DE-627)NLM189002875
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|a (NLM)19492784
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|a DE-627
|b ger
|c DE-627
|e rakwb
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|a eng
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|a Bartels, Jeremy W
|e verfasserin
|4 aut
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|a Amphiphilic cross-linked networks produced from the vulcanization of nanodomains within thin films of poly(N-vinylpyrrolidinone)-b-poly(isoprene)
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|c 2009
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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
|b cr
|2 rdacarrier
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|a Date Completed 13.10.2009
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|a Date Revised 21.11.2013
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|a published: Print
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|a Citation Status MEDLINE
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|a Diblock copolymers of poly(N-vinylpyrrolidinone) (PNVP) and poly(isoprene) (PIp) were employed as building blocks for the construction of complex cross-linked networks that present surfaces having amphiphilic character, imparted by covalent trapping of compositionally heterogeneous phase-separated morphologies. The kinetics for the homopolymerization of N-vinylpyrrolidinone by reversible addition-fragmentation chain transfer (RAFT) techniques was studied, and the initially obtained PNVP-based macro-RAFT agents were then extended to PNVP-b-PIp block copolymers. Therefore, the PNVP chain length was held constant at a number-averaged degree of polymerization of 120, while the PIp chain length was varied to afford a series of three PNVP120-b-PIpx block copolymers (where x=710, 53, and 25). These materials were then cross-linked individually using sulfur monochloride, to produce complex amphiphilic networks. The nanoscopically resolved topographies of these films were analyzed using atomic force microscopy, and their compositional heterogeneities were probed by X-ray photoelectron spectroscopy and internal reflectance infrared imaging techniques. Additionally, the surfaces were analyzed to determine the extent of surface reorganization under aqueous conditions
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|a Journal Article
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|a Research Support, U.S. Gov't, Non-P.H.S.
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|a Butadienes
|2 NLM
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|a Cross-Linking Reagents
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|a Hemiterpenes
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|a Pentanes
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|a Polyvinyls
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|a Pyrrolidinones
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|a Water
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|a 059QF0KO0R
|2 NLM
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|a isoprene
|2 NLM
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|a 0A62964IBU
|2 NLM
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|a Billings, Peter L
|e verfasserin
|4 aut
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|a Ghosh, Biswajit
|e verfasserin
|4 aut
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|a Urban, Marek W
|e verfasserin
|4 aut
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|a Greenlief, C Michael
|e verfasserin
|4 aut
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|a Wooley, Karen L
|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 25(2009), 16 vom: 18. Aug., Seite 9535-44
|w (DE-627)NLM098181009
|x 1520-5827
|7 nnns
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|g volume:25
|g year:2009
|g number:16
|g day:18
|g month:08
|g pages:9535-44
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|u http://dx.doi.org/10.1021/la900753r
|3 Volltext
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