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Publications Dr. Lappan

  • Lappan, U. ; Scheler, U. Influence of the nature of the ion pairs on the segmental dynamics in polyelectrolyte complex coacervates more Macromolecules 50 (2017) 8631-8636
  • Karpov, Y. ; Erdmann, T. ; Stamm, M. ; Lappan, U. ; Guskova, O. ; Malanin, M. ; Raguzin, I. ; Beryozkina, T. ; Tetyana, B. ; Bakulev, V. ; Günther, F. ; Gemming, S. ; Seifert, G. ; Hambsch, M. ; Mannsfeld, S. ; Voit, B. Molecular doping of a high mobility diketopyrrolopyrrole-dithienylthieno[3,2-b]thiophene donor-acceptor copolymer with F6TCNNQ more Macromolecules 50 (2017) 914-926
  • Lappan, U. ; Wiesner, B. ; Scheler, U. Segmental dynamics of poly(acrylic acid) in polyelectrolyte complex coacervates studied by spin-label EPR spectroscopy more Macromolecules 49 (2016) 8616-8621
  • Karpov, Y. ; Tkachov, R. ; Maiti, J. ; Beryozkina, T. ; Bakulev, V. ; Liu, W. ; Komber, H. ; Lappan, U. ; Al-Hussein, M. ; Stamm, M. ; Voit, B. ; Kiriy, A. Copolymerization of zinc-activated isoindigo- and naphthalene-diimide based monomers: an efficient route to low bandgap p-conjugated random copolymers with tunable properties more Polymer Chemistry 7 (2016) 2691-2697
  • Lappan, U. ; Wiesner, B. ; Scheler, U. Rotational dynamics of spin-Labeled polyacid chain segments in polyelectrolyte complexes studied by CW EPR spectroscopy more Macromolecules 48 (2015) 3577-3581
  • Lappan, U. ; Wiesner, B. ; Scheler, U. Complex coacervation of polyelectrolytes studied by spin-label EPR spectroscopy more Macromolecular Chemistry and Physics 215 (2014) 1030-1035
  • Bräuer, M. ; Edelmann, M. ; Kühnert, I. ; Lappan, U. ; Lehmann, D. ; Schneider, K. ; Tuschla, M. Spritzgießen von Mehrkomponentenverbunden : Neue Verbunde mit dem Hochleistungskunststoff PPS more Kautschuk Gummi Kunststoffe 67 (2014) 22-32
  • Lappan, U. ; Wiesner, B. ; Zschoche, St. ; Scheler, U. Polyelectrolyte multilayers studied by electron paramagnetic resonance (EPR) spin-label technique more Applied Magnetic Resonance 44 (2013) 181-188
  • Lappan, U. ; Geißler, U. ; Oelmann, M. ; Schwarz, S. Apparent dissociation constants of polycarboxylic acids in presence of polycations more Colloid and Polymer Science 290 (2012) 1665-1670
  • Lappan, U. ; Geißler, U. ; Gohs, U. Radiation-induced graft copolymerization of styrene into tetrafluoroethylene-hexafluoropropylene-vinylidene fluoride (THV) terpolymer films more Macromolecular Materials and Engineering 296 (2011) 843-849
  • Geißler, U. ; Lappan, U. Partikelgrößenverteilung und Carboxygruppengehalt von bestrahlten Polytetrafluorethylen (PTFE)-Mikropulvern more GAK : Gummi Fasern Kunststoffe 64 (2011) 351-353
  • Lappan, U. ; Uhlmann, St. Intermolecular crosslinking of poly(acrylic acid) in aqueous solution by electron beam irradiation more Journal of Applied Polymer Science 119 (2011) 3113-3116
  • Lappan, U. ; Geißler, U. ; Gohs, U. ; Uhlmann, St. Grafting of styrene into pre-irradiated fluoropolymer films: Influence of base material and irradiation temperature more Radiation Physics and Chemistry 79 (2010) 1067-1072
  • Lappan, U. ; Geißler, U. ; Gohs, U. ; Uhlmann, St. Influence of irradiation temperature on grafting of styrene into poly(tetrafluoroethylene-co-hexafluoropropylene) films more Macromolecular Materials and Engineering 294 (2009) 510-515
  • Lappan, U. ; Geißler, U. PTFE micropowder functionalized with carboxylic acid groups more Macromolecular Materials and Engineering 293 (2008) 538-542
  • Lappan, U. ; Geißler, U. ; Uhlmann, St. Pre-irradiation grafting of styrene into modified fluoropolymers more Macromolecular Symposia 254 (2007) 254-259
  • Lappan, U. ; Geißler, U. ; Scheler, U. The influence of the irradiation temperature on the ratio of chain scission to branching reactions in electron beam irradiated poly(tetrafluoroethylene)(PTFE) more Macromolecular Materials and Engineering 292 (2007) 641-645
  • Nitschke, M. ; König, U. ; Lappan, U. ; Minko, S. ; Simon, F. ; Zschoche, St. ; Werner, C. Low pressure plasma-based approaches to fluorocarbon polymer surface modification more Journal of Applied Polymer Science 103 (2007) 100-109
  • Lappan, U. ; Geißler, U. ; Scheler, U. Chemical Structures Formed in Electron Beam Irradiated Poly(tetrafluoroethylene-co-hexafluoropropylene) (FEP) more Macromolecular Materials and Engineering 291 (2006) 937-943
  • Lehmann, D. ; Adam, G. ; Geißler, U. ; Hupfer, B. ; Janke, A. ; Klüpfel, B. ; Lappan, U. Dreimal länger haltbar more Kunststoffe 96 (2006) 60-63
  • Lehmann, D. ; Hupfer, B. ; Lappan, U. ; Geißler, U. ; Reinhardt, G. ; Kunze, K. Werkstoffentwicklung aus PTFE-Glasfaser-Compound-Abfällen more Tribologie und Schmierungstechnik 52 (2005) 20-24
  • Lappan, U. ; Geißler, U. ; Uhlmann, St. Radiation-induced grafting of styrene into radiation-modified fluoropolymer films more Nuclear Instruments and Methods in Physics Research / B 236 (2005) 413-419
  • Islam, N. ; Lappan, U. ; Voit, B. Barrier Fabrics for Medical Applications more International Dyer (2004) 12-17
  • Lehmann, D. ; Hupfer, B. ; Lappan, U. ; Geißler, U. ; Reinhardt, G. ; Kunze, K. Verwertung von PTFE-Glasfaser-Compound-Abfällen - Ergebnisse einer Wertstoffentwicklung more Materialwissenschaft u. Werkstofftechnik 35 (2004) 677-682
  • Auhl, D. ; Stange, J. ; Münstedt, H. ; Krause, B. ; Voigt, D. ; Lederer, A. ; Lappan, U. ; Lunkwitz, K. Long-Chain Branched Polypropylenes by Electron Beam Irradiation and Their Rheological Properties more Macromolecules 37 (2004) 9465-9472