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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- Polycondensation of diglycerol with H3PO4. Reversibly degradable gels giving multireactive, highly branched macromolecules
Julia Pretula, Krzysztof Kaluzynski and Stanislaw Penczek
Version of Record online: 22 JUL 2016 | DOI: 10.1002/pola.28219
The article describes the synthesis of highly branched poly(diglycerol phosphate)s. Polymers were synthesized by direct polycondensation of biobased materials, diglycerol and phosphoric acid, via hydrolyzable gels. The final acidic gels, still containing hydroxyl groups, have been solubilized by hydrolysis and have been used in polymerization of l-lactide. In this process, acidic groups were acting as catalysts and hydroxyl groups as initiators.
- Multidimensional mass spectrometry to characterize degradation products generated during MALDI of polystyrenes prepared by controlled radical polymerization techniques
Christophe Chendo, Dao Le, Trang N. T. Phan, Didier Gigmes and Laurence Charles
Version of Record online: 22 JUL 2016 | DOI: 10.1002/pola.28229
High resolution mass spectrometry, accurate mass measurements, collision-induced dissociation and ion mobility are combined for a detailed structural characterization of by-products generated during MALDI of polystyrenes holding a labile end-group.
- One-component thioxanthone-based polymeric photoinitiators
Tugce Nur Eren, Neren Okte, Fabrice Morlet-Savary, Jean Pierre Fouassier, Jacques Lalevee and Duygu Avci
Version of Record online: 21 JUL 2016 | DOI: 10.1002/pola.28227
The photochemical and photophysical properties of new polymeric photoinitiators (PPIs) containing pendant thioxanthone and amine moieties are studied. These one-component systems with higher efficiency compared to low molecular-weight counterparts/commercial thioxanthone under violet LED and great reduction of leaching of toxic materials show potential to be used in safer photopolymerization applications.
- Synthesis and UCST-type phase behavior of polypeptide with alkyl side-chains in alcohol or ethanol/water solvent mixtures
Wenjun Liu, Mengxiang Zhu, Jiang Xiao, Ying Ling and Haoyu Tang
Version of Record online: 21 JUL 2016 | DOI: 10.1002/pola.28230
Thermoresponsive polypeptides with alkyl side-chains and UCST-type phase behaviors in both alcoholic solvents and ethanol/H2O solvent mixtures were synthesized via a multi-step synthetic route. The presence of alkyl side-chains played an important role on inducing their UCST-type phase behaviors due to the solvation of these polypeptides related to the van der Waals interaction between the alkyl pendants of polypeptides and alkyl groups of alcoholic solvents. The UCST-type phase transition temperature (Tpt) increased as polymer main-chain length or concentration increased. Elongating the alkyl side-chain length significantly decrease the range of weight percentage of ethanol in the binary solvent.
- Photocatalytic and magnetic titanium dioxide/polystyrene/magnetite composite hybrid polymer particles
Audrey Bonnefond, Miren Ibarra, Edurne Gonzalez, Mariano Barrado, Andrey Chuvilin, José Maria Asua and Jose Ramon Leiza
Version of Record online: 20 JUL 2016 | DOI: 10.1002/pola.28224
Novel multifunctional TiO2/polystyrene/magnetite hybrid composite particle dispersions are synthesized. The TiO2 nanoparticles are present at the surface of the polymer particles to impart photocatalytic functionality and colloidal stability and the magnetic nanoparticles are embedded inside the polymer particles in the subsurface region to allow an easy recovery of the hybrid particles. These hybrid composite particles show good photocatalytic activity toward methylene blue degradation in at least five consecutive cycles.