Journal of Polymer Science Part A: Polymer Chemistry
Copyright © 2012 Wiley Periodicals, Inc., A Wiley Company
Impact Factor: 3.113
ISI Journal Citation Reports © Ranking: 2014: 18/82 (Polymer Science)
Online ISSN: 1099-0518
Associated Title(s): Journal of Polymer Science Part B: Polymer Physics
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- Synthesis of poly(2-oxazoline)s with side chain methyl ester functionalities: Detailed understanding of living copolymerization behavior of methyl ester containing monomers with 2-alkyl-2-oxazolines
Petra J. M. Bouten, Dietmar Hertsen, Maarten Vergaelen, Bryn D. Monnery, Saron Catak, Jan C. M. van Hest, Veronique Van Speybroeck and Richard Hoogenboom
Article first published online: 29 JUN 2015 | DOI: 10.1002/pola.27733
Poly(2-oxazoline)s can be prepared by cationic ring opening polymerization. Kinetic studies of the homo- and copolymerization of methyl ester containing 2-oxazoline monomers were performed showing a faster propagation for the methyl ester containing monomers than for alkyl monomers. Surprisingly in copolymerization these rates are inversed, yielding gradient copolymers. These observations are supported by computational studies, confirming that methyl ester groups increase nucleophilicity of the living chain end.
- Influence of functionality on direct arylation of model systems as a route toward fluorinated copolymers via direct arylation polymerization (DArP)
Francesco Livi, Nemal S. Gobalasingham, Eva Bundgaard and Barry C. Thompson
Article first published online: 29 JUN 2015 | DOI: 10.1002/pola.27728
The synthesis of a defect-free fluorinated copolymer through direct arylation polymerization of a thiophene-containing monomer and a highly fluorinated benzene monomer is reported. A small molecule direct arylation screening on similar substrates is carried out in order to obtain the best conditions for the polymerizations reaction. The functionalization of the monomers has a strong influence on the product outcome, both in case of small molecules and copolymers.
- Enhanced spin capturing polymerization: Numerical investigation of mechanism
Sergey V. Nikitin, Dmitriy A. Parkhomenko, Mariya V. Edeleva and Elena G. Bagryanskaya
Article first published online: 25 JUN 2015 | DOI: 10.1002/pola.27723
Simulations of kinetics of enhanced spin capturing polymerization were performed to reveal key factors that affect the parameters of the polymer obtained by this technique. Criteria for success were formulated allowing for an estimation of polymerization behavior prior to the experiment.
- A facile method to synthesize high-molecular-weight biobased polyesters from 2,5-furandicarboxylic acid and long-chain diols
Vasilios Tsanaktsis, George Z. Papageorgiou and Dimitrios N. Bikiaris
Article first published online: 25 JUN 2015 | DOI: 10.1002/pola.27730
Biobased 2,5-furandicarboxylate polyesters with long-chain diols are synthesized successfully using the dimethylester of 2,5-dicarboxylic acid and diols containing 8–12 methylene groups. Because of the high boiling point of these diols and their high distillation difficulty, a new method was proposed to produce polyesters with high molecular weight. All polyesters are semicrystalline materials with appropriate mechanical properties, which depend on the methylene group number.
- Substituent effect of N-aryl-N′-pyridyl ureas as thermal latent initiators on ring-opening polymerization of epoxide
Naoyuki Makiuchi, Atsushi Sudo and Takeshi Endo
Article first published online: 25 JUN 2015 | DOI: 10.1002/pola.27726
A series of N-aryl-N′-pyridyl ureas having various substituent on the aryl moiety were synthesized and studied as thermally latent initiators for the ring-opening polymerization of epoxides. DSC measurement for formulations comprised of DGEBA and the ureas clarified that relationship between the reaction temperature and the electron density of the aromatic ring of the ureas.