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Authors
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Onah, J.E. ; Oertel, U. ; Häußler, L. ; Voigt, D. ; Froeck, C. ; Komber, H. ; Voit, B. ; Lunkwitz, K.
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Title
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Fluorine containing poly(amide-imide)s: synthesis and formation of Langmuir-Blodgett monolayers
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Date
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02.01.2003
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Number
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10289
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Abstract
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Soluble fluorine containing poly(amide-imide)s, PAI(1-4), were synthesized from diimide-dicarboxylic acid, 2,2-bis[N-(4-carboxyphenyl)-phthalimide-1,4-yl]hexafluoropropane with various diamines by direct polycondensation in N-methyl-2-pyrrolidone (NMP) containing CaCl2 and using triphenyl phosphite and pyridine as condensing agents. The polymers were readily soluble in aprotic polar solvents such as NMP, N,N-dimethylacetamide, dimethyl sulfoxide and tetrahydrofuran. Their Langmuir monolayers were studied at the air/water interface. The monolayers were generally stable at the water surface and could be reproducibly transferred onto solid substrates to build up Langmuir-Blodgett (LB) multilayers. The LB mono- and multilayers were characterized by ultra-violet/visible spectroscopy (UV-Vis), surface plasmon resonance, atomic force microscopy. (C) 2002 Elsevier Science Ltd. All rights reserved.
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Publisher
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European Polymer Journal
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Wikidata
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Citation
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European Polymer Journal 39 (2003) 127-134
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DOI
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https://doi.org/10.1016/S0014-3057(02)00186-6
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Tags
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polycondensation fluoropolymers poly(amideimide)s langmuir blodgett technique monolayer multilayers spreading behavior films polyimides hexafluoroisopropylidene
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