Journal of Polymer Science Part A: Polymer Chemistry

Cover image for Vol. 53 Issue 22

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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  1. N-bromo-hydantoin grafted polystyrene beads: Synthesis and nano-micro beads characteristics for achieving controlled release of active oxidative bromine and extended microbial inactivation efficiency

    Shady Farah, Oren Aviv, Mahran Daif, Konda Reddy Kunduru, Natalia Laout, Stanislav Ratner, Nurit Beyth and Abraham J. Domb

    Article first published online: 5 OCT 2015 | DOI: 10.1002/pola.27894

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    Chemically or kinetically release modified N-halamine hydantoins conjugated polystyrenes beads were studied. Beside chemical modifications, bead's nano-micro characteristics were found critical for oxidative halogen release control: rate stabilization and modulation, extension and also influences antimicrobial activity. Distinct controlled releasing profiles were found and extended strong antimicrobial activity for hundreds of liters. These parameters are important to explore, since the rate of halogen release influences antimicrobial activity and subsequently the material usage for different applications.

  2. “Grafting through” polymerization involving surface-bound monomers

    Preeta Datta and Jan Genzer

    Article first published online: 5 OCT 2015 | DOI: 10.1002/pola.27907

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    Snapshot from a typical simulation run showing two chains (red and blue) “grafted through” on the substrate. The substrate-bound monomers are depicted in darker hue of the same color. The dark grey spheres represent unused substrate-bound monomer units.

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    Conjugated polymer with ternary electron-deficient units for ambipolar nanowire field-effect transistors

    Yunjing Ji, Chengyi Xiao, Gaël H. L. Heintges, Yonggang Wu, René A. J. Janssen, Deqing Zhang, Wenping Hu, Zhaohui Wang and Weiwei Li

    Article first published online: 5 OCT 2015 | DOI: 10.1002/pola.27898

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    A small band gap conjugated polymer with ternary acceptors of diketopyrrolopyrrole, benzothiadiazole, and naphthalenediimde is presented. Nanowires of this polymer were fabricated to show ambipolar field-effect transistors with hole and electron mobilities of 1.61 and 0.98 cm2 V−1 s−1.

  4. Highly efficient water-soluble visible light photoinitiators

    Stephan Benedikt, Jieping Wang, Marica Markovic, Norbert Moszner, Kurt Dietliker, Aleksandr Ovsianikov, Hansjörg Grützmacher and Robert Liska

    Article first published online: 5 OCT 2015 | DOI: 10.1002/pola.27903

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    Environmental friendly photocurable formulations are widely used for water-borne coatings or hydrogel production for medicinal use. Currently there is a lack of suitable and commercially available photoinitiators with satisfying properties for such water-based formulations. In our article we describe efficient compounds based on acylphosphine oxide salts for visible light curing. These salts provide excellent solubility in water, cytocompatibility, good storage stability, and high reactivity.

  5. Supramolecular polymer gels from polystyrene bearing cyclic amidine Group and acrylic acid/n-butyl acrylate copolymers

    Mina Sakuragi, Naoto Aoyagi, Yoshio Furusho and Takeshi Endo

    Article first published online: 5 OCT 2015 | DOI: 10.1002/pola.27909

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    Supramolecular polymer gels were prepared from polystyrene bearing cyclic amidine pendant group and copolymers of acrylic acid and n-butyl acrylate. The gel formation was attributed to the three-dimensional network of the amidinium-carboxylate salt bridge. Dynamic shear measurements showed that the gel had G' higher than G" over a temperature range of −22 °C to 32 °C, where the G' value reached almost 1 MPa.