Prof. Dr. Thomas Junkers
Institute for Materials Research
Organic and Biopolymer Chemistry
Universiteit Hasselt
Agoralaan, Gebouw D
B-3590 Diepenbeek, Belgium
thomas.junkers@uhasselt.be
tel. 011 26 8318
B-6287-2008
Prof. Dr. T. Junkers
Curriculum Vitae
Work Experience
Jun 2010
since Mar 2010
Jul 2008 – Feb 2010
Jul 2006 – Jun 2008
Apr 2001 – Jun 2006
Visiting Professor at the Université Aix-Marseille I (France) in
the group “Chemie Radicalaire Organique et Polymere de
Spécialité” of Dr. Didier Gigmes and Prof Denis Bertin
Docent at the Universiteit Hasselt, Belgium
Senior Research Scientist (“Habilitand”) in the group of Prof.
Christopher Barner-Kowollik for Preparative Macromolecular
Chemistry, Institute for Chemical Technology and Polymer
Chemistry, Karlsruhe University / Karlsruhe Institute of
Technology
Research Associate at the Centre for Advanced Macromolecular
Design, School of Chemical Sciences and Engineering,
University of New South Wales, Sydney with Prof. Christopher
Barner-Kowollik and Prof. Tom Davis
Employment as research assistant at the Institute for Physical
Chemistry of Göttingen University, from August 2002 on as
research associate
Scientific Education
May 2006
Completion of PhD work on the topic of ”Novel Single Pulse –
Pulsed Laser Polymerization Methods for the Determination of Chain–
Length Dependent Termination Kinetics in Conventional and
Controlled Free–Radical Polymerization”, under supervision of Prof.
Sep 2003 – May 2006
Jan – Mar 2005
Sep 2002
Jun 2002
Jul 2001 – Jun 2002
Dr. Michael Buback (”summa cum laude”)
Member of the DFG-supported graduate school 782
“Spectroscopy and dynamics of molecular aggregates, chains
and coils “
Research stay at the Centre for Advanced Macromolecular
Design, University of New South Wales in Sydney
Start of PhD-thesis work at the Institute for Physical Chemistry
of Göttingen University under supervision of Prof. Dr. Michael
Buback
Graduation in chemistry (Diploma, eq. to Msc)
Diploma thesis work on the topic “Terminierungskinetik der
radikalischen Polymerisation von Methylmethacrylat bis zu hohen
Umsätzen“ under supervision of Prof. Dr. Michael Buback
Oct 1997
Enrollment as a regular student at the University Göttingen.
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Prof. Dr. T. Junkers
Curriculum Vitae
Membership&Commitees
since Apr 2010
since Oct 2009
Sep 2009 – Aug 2010
since Aug 2009
since 2008
Belgian Polymer Group
Editorial board of the public-access journal „polymers“
Deutscher Hochschulverband
Treasurer of the Karlsruher Chemischen Gesellschaft (KChG,
GDCh Ortsgruppe Karlsruhe)
Member of the Subcommittee on Modelling of Polymerization
Kinetics and Processes of the IUPAC Polymer Division
Member of the Gesellschaft Deutscher Chemiker (GDCh)
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List of publications
Prof. Dr. T. Junkers
Peer Reviewed Journal Articles
[49]
” RAFT Kinetics Revisited: Revival of the RAFT Debate”
T. Junkers, J. Polym. Sci. – Polym. Chem. 2011, submitted.
[48]
”Quantitative Comparison of the Mesitoyl vs. the Benzoyl Fragment in Photoinitiation:
A Question of Origin”
D. Voll, T. Junkers, C. Barner-Kowollik, Macromolecules 2011, in press.
[47]
”Embedding Multiple Site-Specific Functionalities into Polymer Chains via NitroneMediated Radical Coupling (NMRC) Reactions”
E.H.H. Wong, M.H. Stenzel, T. Junkers, C. Barner-Kowollik, J. Polym. Sci. – Polym.
Chem. 2011, 49, 2118–2126.
[46]
”Nitrone-Mediated Radical Coupling (NMRC) Reactions: A New Synthetic Tool
Exemplified on Dendrimer Synthesis”
E.H.H. Wong, O. Altintas, M.H. Stenzel, C. Barner-Kowollik, T. Junkers, Chem.
Commun. 2011, 47, 5491-5493.
[45]
“Nitrones in Synthetic Polymer Chemistry”
E.H.H. Wong, T. Junkers, C. Barner-Kowollik, Polym. Chem. 2010, 2, 1008-1017.
[44]
”On the Kinetic and Mechanistic Similarity between RAFT Intermediate and Acrylate
Midchain Radicals”
C. Barner-Kowollik, T. Junkers, J. Polym. Sci. – Polym. Chem. 2010, 49, 1293-1297.
[43]
“Clicking Polymers or Just Efficient Linking: What Makes the Difference?”
C. Barner-Kowollik, F.E. Du Prez, P. Espeel, C.J. Hawker, T. Junkers, H. Schlaad, W.
Van Camp, Angew. Chem. 2011, 50, 60-62.
[42]
“Determination of Propagation Rate Coefficients for Methyl and 2-Ethylhexyl Acrylate
via High Frequency PLP-SEC up to Elevated Temperatures under Consideration of the
Impact of Chain Branching”
T. Junkers, M. Schneider-Baumann, S.P.S. Koo, P. Castignolles, C. Barner-Kowollik,
Macromolecules 2010, 43, 10427-10434.
[41]
“Control of Methyl Methacrylate Radical Polymerization via Enhanced Spin Capturing
Polymerization (ESCP)”
L. Zang, E.H.H. Wong, C. Barner-Kowollik, T. Junkers, Polymer 2010, 51, 3821–
3825.
[40]
“Reducing the Degree of Branching in Polyacrylates via Mid-Chain Radical Patching: A
Quantitative Melt-State NMR Study”
M. Gaborieau, S.P.S. Koo, P. Castignolles, T. Junkers, C. Barner-Kowollik,
Macromolecules 2010, 43, 5492–5495.
[39]
“Determination of the Propagation Rate Coefficient of Acrylonitrile”
T. Junkers, S.P.S. Koo, C. Barner-Kowollik, Polym. Chem. 2010, 1, 438– 441.
[38]
“Detailed Investigation of the Propagation Rate of Urethane Acrylates”
C. Barner-Kowollik, F. Bennet, M. Schneider-Baumann, D. Voll, T. Rölle, T. Fäcke,
M.S. Weiser, F.K. Bruder, T. Junkers, Polym. Chem. 2010, 1, 470-479.
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Prof. Dr. T. Junkers
List of publications
[37]
“Spin Capturing with „Clickable‟ Nitrones: Generation of Mikto-Armed Star Polymers”
E.H.H. Wong, M.H. Stenzel, T. Junkers, C. Barner-Kowollik, Macromolecules 2010,
43, 3785-3793.
[36]
“Spin Capturing with Nitrones: Radical Coupling
Introduction of Midchain Functionality”
Reactions with
Concurrent
E.H.H. Wong, C. Boyer, M.H. Stenzel, C. Barner-Kowollik, T. Junkers, Chem.
Commun. 2010, 46, 1959-1961.
[35]
“Limitations of Radical Thiol-ene Reactions for Polymer-Polymer Conjugation”
S. P. S. Koo, M. M. Stamenović, R. A. Prasath, A. J. Inglis, F. E. Du Prez, C. BarnerKowollik, W. Van Camp, T. Junkers, J. Polym. Sci. – Polym. Chem. 2010, 48, 16991713.
[34]
“Mark Houwink Parameters for the Universal Calibration of Acrylate, Methacrylate and
Vinyl Acetate Polymers Determined by Online Size-Exclusion Chromatography – Mass
Spectrometry”
T. Gründling, T. Junkers, M. Guilhaus, C. Barner-Kowollik, Macromol. Chem. Phys.
2009, 211, 520-528.
[33]
“Synthesis of
Polymerization”
a
Macromonomer
Library
from
High-Temperature
Acrylate
A. M. Zorn, T. Junkers, C. Barner-Kowollik, Macromol. Rapid Commun. 2009, 30,
2028–2035.
[32]
“Continuous ATRP Synthesis of Block-like Copolymers via Column Reactors: Design
and Validation of a Kinetic Model”
B. Dervaux, T. Junkers, C. Barner-Kowollik, F. E. Du Prez, Macromol. React. Eng.
2009, 3, 529–538.
[31]
“Propagation Rate Coefficients of Isobornyl Acrylate, tert-Butyl Acrylate and 1Ethoxyethyl Acrylate: A High Frequency PLP-SEC Study”
B. Dervaux, T. Junkers, M. Schneider-Baumann, F.E. Du Prez, C. Barner-Kowollik, J.
Polym. Sci. Polym. Chem. 2009, 47, 6641–6654.
[30]
“Optimum Reaction Conditions for the Synthesis of Macromonomers via HighTemperature Polymerization of Acrylates”
T. Junkers, C. Barner-Kowollik, Macromol. Theory Simul. 2009, 18, 421–433.
[29]
“Formation Efficiency of ABA Blockcopolymers via Enhanced Spin Capturing
Polymerization (ESCP): Locating the Alkoxyamine Function”
T. Junkers, E. H. H. Wong, M. H. Stenzel, C. Barner-Kowollik, Macromolecules
2009, 42, 5027-5035.
[28]
“Propagation and Termination Kinetics of the Butyl Acrylate Dimer in Free-Radical
Polymerization Studied by Pulsed Laser Polymerization Techniques”
M. Buback, T. Junkers, M. Müller, Polymer 2009, 50, 3111-3118.
[27]
0B
“Determination of Vinyl Acetate Propagation Rate Coefficients via High Frequency
Pulsed Laser Polymerization”
T. Junkers, D. Voll, C. Barner-Kowollik, e-polymers 2009, 076.
[26]
1B
“Quantifying the Efficiency of Photo-Initiation Processes in Methyl Methacrylate Free
Radical Polymerization via Electrospray Ionization Mass Spectrometry”
F. Günzler, E. H. H. Wong, S. P. S. Koo, T. Junkers, C. Barner-Kowollik,
Macromolecules 2009, 42, 1488-1493.
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Prof. Dr. T. Junkers
List of publications
[25]
“Studying the Mechanism of Thioketone Mediated Polymerization (TKMP) via
Electrospray Ionization Mass Spectrometry”
F. Günzler, T. Junkers, C. Barner-Kowollik, J. Polym. Sci. Polym. Chem. 2009, 47,
1864-1876.
[24]
2B
“The Kinetics of Enhanced Spin Capturing Polymerization (ESCP): Influence of the
Nitrone Structure”
E. H. H. Wong, M. H. Stenzel, T. Junkers, C. Barner-Kowollik, J. Polym. Sci. Polym.
Chem. 2009, 47, 1098-1107.
[23]
3B
“Quantitative Product Spectrum Analysis of Poly(Butyl Acrylate) via Electrospray
Ionization Mass Spectrometry”
S. P. S. Koo, T. Junkers, C. Barner-Kowollik, Macromolecules 2009, 42, 62-69.
[22]
“Pushing the Limit: Pulsed Laser Polymerization of Butyl Acrylate at 500 hz”
C. Barner-Kowollik, F. Günzler, T. Junkers, Macromolecules 2008, 41, 8971–8973.
[21]
“A Study into the Stability of 3,6-Dihydro-2H-thiopyran Rings: Key Linkages in the
RAFT Hetero Diels-Alder Click Concept”
S. Sinnwell, C. V. Synatschke, T. Junkers, C. Barner-Kowollik, Macromolecules.
2008, 41, 7901-7912.
[20]
4B
“The Role of Mid-chain Radicals in Acrylate Free Radical Polymerization: Branching and
Scission” (Cover page article)
T. Junkers, C. Barner-Kowollik, J. Polym. Sci. Polym. Chem. 2008, 46, 7585–7605.
[19]
“Enhanced Spin Capturing Polymerization: An Efficient and Versatile Protocol for
Controlling Molecular Weight Distributions”
E. H. H. Wong, T. Junkers, C. Barner-Kowollik, J. Polym. Sci. Polym. Chem. 2008,
46, 7273-7279.
[18]
“Controlling the Fate of Midchain Radicals in Acrylate Polymerization”
T. Junkers, Aust. J. Chem. 2008, 61, 646.
[17]
“Self-Directed Formation of Uniform Unsaturated Macromolecules from Acrylate
Monomers at High Temperatures”
T. Junkers, F. Bennet, S. P. S. Koo, C. Barner-Kowollik, J. Polym. Sci. Polym. Chem.
2008, 46, 3433-3437.
[16]
“Laser Induced Marking of Polymer Chains with Radical Spin Traps”
T. Junkers, E. H. H. Wong, Z. Szablan, T. P. Davis, M. H. Stenzel, C. BarnerKowollik, Macromol. Rapid. Commun. 2008, 29, 503-510.
[15]
“PLP labelling in ESR spectroscopic analysis of secondary and tertiary acrylate
propagating radicals”
M. Buback, P. Hesse, T. Junkers, T. Sergeeva, T. Theis, Macromolecules 2008, 41,
288-291.
[14]
“Chain-Length-Dependent Termination in Acrylate Radical Polymerization Studied via
Pulsed-Laser-Initiated RAFT Polymerization”
M. Buback, P. Hesse, T. Junkers, T. Theis, P. Vana, Aust. J. Chem. 2007, 60, 779-787.
[13]
“Suppression of midchain-radical side reactions via chain-transfer polymerization: An
ESI-MS study”
T. Junkers,
S. P. S. Koo,
M. H. Stenzel,
Macromolecules 2007, 40, 8906-8912.
T. P. Davis,
C. Barner-Kowollik,
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Prof. Dr. T. Junkers
List of publications
[12]
“Mapping photolysis product radical reactivities via soft ionization mass spectrometry
in acrylate, methacrylate and itaconate systems”
Z. Szablan, T. Junkers, S. P. S. Koo, T. M. Lovestead, M. H. Stenzel, T. P. Davis,
C. Barner-Kowollik, Macromolecules 2007, 40, 6820-6833.
[11]
“Thioketone–mediated polymerization of butyl acrylate: Controlling free-radical
polymerization via a dormant radical species”
T. Junkers, M. H. Stenzel, T. P. Davis, C. Barner-Kowollik, Macromol. Rapid
Commun. 2007, 28, 746-753.
[10]
5B
“Termination kinetics of tert-butyl methacrylate and of n-butyl methacrylate free-radical
bulk homopolymerizations”
M. Buback, T. Junkers, Macromol. Chem. Phys. 2006, 207, 1640-1650.
[9]
“Determination of addition and fragmentation rate coefficients in RAFT polymerization
via time-resolved ESR spectroscopy after laser pulse initiation”
M. Buback, P. Hesse, T. Junkers, P. Vana, Macromol. Rapid Commun. 2006, 27, 182187.
[8]
“Mechanism of poly(methyl methacrylate) film growth during pulse laser deposition”
E. Süske, T. Scharf, T. Junkers, M. Buback, H.-U. Krebs, J. Appl. Phys. 2006, 100,
No. 014906.
[7]
“Free-radical polymerization kinetics of 2-acrylamido-2-methylpropanesulfonic acid in
aqueous solution”
S. Beuermann, M. Buback, P. Hesse, T. Junkers, I. Lacík, Macromolecules 2006, 39,
509-516.
[6]
“Chain length dependent termination in butyl acrylate free–radical polymerization
studied via stationary and pulsed laser initiated RAFT polymerization”
T. Junkers, A. Theis, M. Buback, T. P. Davis, M. H. Stenzel, P. Vana, C. BarnerKowollik, Macromolecules 2005, 38, 9497-9508.
[5]
“Laser single pulse initiated RAFT polymerization for assessing chain-length
dependent radical termination kinetics”
M. Buback, T. Junkers, P. Vana, Macromol. Rapid Commun. 2005, 26, 796-802.
[4]
”PLP-ESR monitoring of mid-chain radicals in n-butyl acrylate polymerization”
R. X. E. Willemse, A. M. van Herk,
Macromolecules 2005, 38, 5098-5103.
[3]
E. Panchenko,
T. Junkers,
M. Buback,
”Tuning of cross-linking and mechanical properties of laser deposited poly(methyl
methacrylate) films”
E. Süske, T. Scharf, H.-U. Krebs, E. Panchenko, T. Junkers, M. Egorov, M. Buback,
H. Kijewski, J. Appl. Phys. 2005, 97, 6, No. 063501.
[2]
”Termination kinetics of di-n-butyl itaconate free-radical polymerization studied via the
SP-PLR-ESR technique” (Cover page article)
M. Buback, M. Egorov, T. Junkers, E. Panchenko, Macromol. Chem. Phys. 2005, 206,
333-341.
[1]
”Free-radical termination kinetics studied using a novel SP-PLP-ESR technique “
M. Buback, M. Egorov, T. Junkers, E. Panchenko, Macromol. Rapid Commun. 2004,
25, 1004-1009.
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List of publications
Prof. Dr. T. Junkers
Books/Book contributions
[3]
“The RAFT process as a kinetic tool: Accessing fundamental parameters of free radical
polymerization”
T. Junkers, T. M. Lovestead, C. Barner-Kowollik in “Handbook of RAFT Polymerization”,
C. Barner-Kowollik, Ed., Wiley-VCH, Weinheim, 2008, ISBN 978-3-527-31924-4, p.
105-150.
[2]
“Pulsed-laser initiated RAFT polymerization”
M. Buback, T. Junkers, P. Vana in "Controlled/Living Radical Polymerization: From
Synthesis to Materials" (ACS Symposium Series), K. Matyjaszewski, Ed. 2006, 944,
455.
[1]
“Novel Single Pulse – Pulsed Laser Polymerization Methods for the Determination of
Chain–Length Dependent Termination Kinetics in Conventional and Controlled Free–
Radical Polymerization”
T. Junkers, PhD Thesis, Sierke Verlag, Göttingen, 2006, ISBN 3-933893-51-8.
Miscellaneous
[3]
Book Review of „Handbook of Vinyl Polymers: Radical Polymerization, Process, and
Technology‟ by M. K. Mishra and Y. Yagci
C. Barner-Kowollik, T. Junkers, Macromol. Chem. Phys. 2009, 210, 1766.
[2]
Book Review of „Polymer Chemistry‟ by R. P. C. Hiemenz and T. P. Lodge
C. Barner-Kowollik, T. Junkers, Macromol. Chem. Phys. 2007, 208, 1832.
[1]
“Pulsed laser initiated RAFT polymerization”
M. Buback, T. Junkers, P. Vana, ACS Polymer Preprints (ACS, Division of Polymer
Chemistry) 2005, 46, 362-363.
Conference Presentations
Oral presentation given at Australasian Polymer Symposium 2011 Coffs Harbour,
12th Dresden Polymer Discussion "New developments in polymer synthesis: Control
of structure and functionality" 2010 Dresden, Germany, Bunsen-Kolloquium "Kinetics
of Radical Polymerization: The Foundation of Novel Materials and Processes" 2010
Göttingen, Germany, 13th International IUPAC Conference on Polymers and Organic
Chemistry 2009 Montreal, Canada, International Symposium on Microstructural
Control in Free-Radical Polymerization 2008 Clausthal, Germany, Polymer Synthesis
2008 Cancun, Mexico, 29th Australasian Polymer Symposium 2007 Hobart, Australia
In total over 40 presentations given on international conferences
Invited research seminars given at University of Sydney, Australian National
University Canberra, BASF, Université de Provence Aix-Marseille, Universität
Potsdam, TU Darmstadt, Université de Liége, Universiteit Gent, TU Eindhoven,
University of Western Sydney, Universität Göttingen
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