Tobias Johann

Contact

Office Tel.: +49 (0)6131 39 26269
Lab Tel.: +49 (0)6131 39 26273
Email tobias.johann(at)uni-mainz.de

 

 

Research Topic

Multi-functional Polyether, Polymers for metal chelation, Polymerization kinetics and simulation

 

Interests

Multi-functional Poly(ethylene glycol)

NMR kinetic studies

Publications

[1] "Kinetics of Anionic Living Copolymerization of Isoprene and Styrene Using in Situ NIR Spectroscopy: Temperature Effects on Monomer Sequence and Morphology", M. Steube, T. Johann, M. Plank, S. Tjaberings, A. H. Gröschel, M. Gallei, H. Frey and A. H.E. Müller, Macromolecules 2019. DOI: 10.1021/acs.macromol.9b01790.
[2] "Tapered Copolymers of Styrene and 4-Vinylbenzocyclobutene via Carbanionic Polymerization of Crosslinkable Polymer Films"
D. Leibig, M. Messerle, T. Johann, C. Moers, F. Kaveh, H.-J. Butt, D. Vollmer, A. H.E Müller, H. Frey, J. Polym. Sci. Pol. Chem. 2019, DOI: 10.1002/pola.29515
[3] "Multi-olefin containing polyethers and trizazolinediones: a powerful alliance"
T. Johann, H.A. Houck, T. Dinh, U. Kemmer-Jonas, F. Du Prez, H. Frey, Polym. Chem. 2019, 10, 4699-4708, DOI: 10.1039/C9PY00718K
[4] "Multi-Functional Fe(III)-Binding Polyethers from Hydroxamic Acid-Based Epoxide Monomers"
T. Johann, U. Kemmer-Jonas, R.D. Barent, H. Frey, Macromol. Rapid Commun. 2019, 1900282, DOI: 10.1002/marc.201900282
[5] "A general concept for the introduction of hydroxamic acids into polymers"
T. Johann, J. Keth, M. Bros, H. Frey, Chem. Sci. 2019, 10, 7009-7022. DOI: 10.1039/c9sc02557j
[6] "Effect of the Substituent Position on the Anionic Copolymerization of Styrene Derivatives: Experimental Results and Density Functional Theory Calculations"
T. Johann, D. Leibig, E. Grune, A. H. E. Müller, H. Frey, Macromolecules 2019, 52, 4545. DOI: 10.1021/acs.macromol.9b00747
[7] "Isoprene/Styrene Tapered Multiblock Copolymers with up to 10 Blocks: Synthesis, Phase Behaviour, Order and Mechanical Properties", M. Steube, T. Johann, E. Galanos, M. Appold, C. Rüttiger, M. Mezger, M. Gallei, A. H.E. Müller, G. Floudas, H. Frey, Macromolecules 2018, 51, 10246–10258. DOI:10.1021/acs.macromol.8b01961.
[8] "One-Step Block Copolymer Synthesis versus Sequential Monomer Addition: A Fundamental Study Reveals That One Methyl Group Makes a Difference" E. Grune, T. Johann, M. Appold, C. Wahlen, J. Blankenburg, D. Leibig, A. H. E. Müller, M. Gallei, H. Frey, Macromolecules, 2018,51, 3527. DOI: 10.1021/acs.macromol.8b00404.
[9] "Copolymerization of Isoprene with p-Alkylstyrene Monomers: Disparate Reactivity Ratios and the Shape of the Gradient" P. von Tiedemann, J. Blankenburg, K. Maciol, T. Johann, A. H.E. Müller, H. Frey, Macromolecules 2019, 52, 3, 796-806. DOI: 10.1021/acs.macromol.8b02280.
[10] "Polymerization of long chain alkyl glycidyl ethers: a platform for micellar gels with tailor-made melting points", P. Verkoyen, T. Johann, J. Blankenburg, C. Czysch, H. Frey, Polym. Chem. 201843, 6641. DOI: 10.1039/C8PY01312H
[11] "Catechol Acetonide Glycidyl Ether (CAGE): A Functional Epoxide Monomer for Linear and Hyperbranched Multi-Catechol Functional Polyether Architectures" K. Niederer, C. Schüll, D. Leibig, T. Johann, H. Frey, Macromolecules 2016, 49, 1655–1665. DOI: 10.1021/acs.macromol.5b02441.
[12] "Tunable dynamic hydrophobic attachment of guest molecules in amphiphilic core–shell polymers" J. Reichenwallner, A. Thomas, L. Nuhn, T. Johann, A. Meister, H. Frey, D. Hinderberger, Polym. Chem. 2016, 7, 5783–5798. DOI: 10.1039/C6PY01335J.
[13] "Two-photon absorption dye based on 2,5-bis(phenylacrylonitrile)thiophene with aggregration enhanced fluorescence" T. Johann, K. Schmidt, P. Prabhakaran, R. Zentel, K.-S. Lee, Opt. Mater. Express 2016, 6, 1296. DOI: 10.1364/OME.6.001296.