Journal of Polymer Science Part A: Polymer Chemistry

Cover image for Vol. 53 Issue 13

Impact Factor: 3.245

ISI Journal Citation Reports © Ranking: 2013: 14/82 (Polymer Science)

Online ISSN: 1099-0518

Associated Title(s): Journal of Polymer Science Part B: Polymer Physics

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  1. Reduction-cleavable hyperbranched polymers with limited intramolecular cyclization via click chemistry

    Heng Chen, Jiqiong Jia, Xiao Duan, Zhen Yang and Jie Kong

    Article first published online: 28 MAY 2015 | DOI: 10.1002/pola.27694

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    Reduction-cleavable hyperbranched polymers with limited intramolecular cyclization were achieved via click chemistry. The rigid triazole units generated from CuAAC click chemistry limited and reduced the intramolecular cyclization as well as the disulfide bonds introduced by A2 monomer gave the reduction-cleavable feature of the resulting hyperbranched polymers. The reduction-cleavable hyperbranched poly(ester triazole)s with limited intramolecular cyclization are expected to possess potential in the application of stimuli-responsive anticancer drug nanocarriers.

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    A multistimuli-responsive supramolercular polymer constructed by crown ether-based molecular recognition and disulfide bond connection

    Hu Wang, Pi Wang, Hao Xing, Ning Li and Xiaofan Ji

    Article first published online: 27 MAY 2015 | DOI: 10.1002/pola.27693

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    We report a novel multistimuli-responsive supramolecular polymer constructed by a bis(benzo-21-crown-7)-based AA monomer containing a disulfide bond and a bis(dialkylammonium salt)-based BB monomer. Interestingly, the responsivenesses of this supramolarcular polymer are not only from the stimuli-responsive noncovalent interactions but also from the stimuli-responsive disulfide bond.

  3. Evolution of ppm amount of Ru(III) complexes for effective living radical polymerization of MMA

    Xiangxiong Chen, Thi Thuy Duong Nguyen, Mohd Yusuf Khan, Likai Xia, Dan He, Seung Woo Lee and Seok Kyun Noh

    Article first published online: 27 MAY 2015 | DOI: 10.1002/pola.27671

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    Three half-metallocene ruthenium(III) complexes, [(Cp*RuCl2)PPh2R] (R = C6H4–OCH3,C6H5, and C5H5N were prepared. These Ru(III) complexes polymerized MMA successfully via ATRP in the absence of any reducing agent or free radical initiator. All of three complexes produced a linear relationship between ln[Mn]0/[Mn] versus the reaction time and the living properties through a linear increase in molecular weight versus conversion. Especially, well-defined PMMA and high initiation efficiency were obtained in the presence of 10 ppm catalysts.

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    Biological evaluation of 1,2,3-triazole-based polymers for potential applications as hard tissue material

    David Pretzel, Benedict Sandmann, Matthias Hartlieb, Jürgen Vitz, Stefan Hölzer, Nicole Fritz, Norbert Moszner and Ulrich S. Schubert

    Article first published online: 25 MAY 2015 | DOI: 10.1002/pola.27676

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    This contribution deals with the synthesis and subsequent bulk polymerization of multifunctional electron-deficient internal alkynes with several multifunctional azides in a metal-free 1,3-dipolar azide–alkyne cycloaddition. The biocompatibility of alkynes, azides, and resulting networks was investigated in a cell biological study. All monomers revealed distinctive concentration-dependent cytotoxic properties. These harmful side effects on the cell integrity were completely diminished after polymerization of the educts resulting in materials with highly biocompatible properties.

  5. Functionalized PEG-b-PAGE-b-PLGA triblock terpolymers as materials for nanoparticle preparation

    Justyna A. Czaplewska, Tobias C. Majdanski, Markus J. Barthel, Michael Gottschaldt and Ulrich S. Schubert

    Article first published online: 22 MAY 2015 | DOI: 10.1002/pola.27674

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    The poly(ethylene glycol)-block-poly(allyl glycidyl ether) as well as their copolymers with poly(lactide-co-glycolide) are prepared by introduction of a primary OH group and subsequent ring-opening polymerization. The polymers are further functionalized via thiol-ene reaction. Spherical particles with diameters around 200 nm and a relatively low PDIparticle value of 0.03–0.1 could be obtained from the functional amphiphilic block copolymers (DLS and SEM). The obtained nanoparticles represent promising candidates for drug delivery studies.

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