Macromolecular Rapid Communications

Cover image for Vol. 34 Issue 12

June 25, 2013

Volume 34, Issue 12

Pages 957–1031

  1. Cover Picture

    1. Top of page
    2. Cover Picture
    3. Masthead
    4. Contents
    5. Feature Article
    6. Communications
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      Macromol. Rapid Commun. 12/2013 (page 957)

      Jiaqi Liu, Guoshan Song, Changcheng He and Huiliang Wang

      Version of Record online: 14 JUN 2013 | DOI: 10.1002/marc.201370038

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      Front Cover: Tough graphene oxide nanocomposite hydrogels fabricated by using graphene peroxide as polyfunctional initiating and cross-linking centers show excellent self-healing ability at ambient temperature or even lower temperatures, and very high recovery degrees (up to 88% in tensile strength) can be achieved. The healed gels exhibit the highest tensile strengths (up to 0.35 MPa) and elongations (up to 4900%) ever reported. Further details can be found in the article by J. Q. Liu, G. S. Song, C. C. He, and H. L. Wang* on page 1002.

  2. Masthead

    1. Top of page
    2. Cover Picture
    3. Masthead
    4. Contents
    5. Feature Article
    6. Communications
    1. Macromol. Rapid Commun. 12/2013

      Version of Record online: 14 JUN 2013 | DOI: 10.1002/marc.201370039

  3. Contents

    1. Top of page
    2. Cover Picture
    3. Masthead
    4. Contents
    5. Feature Article
    6. Communications
  4. Feature Article

    1. Top of page
    2. Cover Picture
    3. Masthead
    4. Contents
    5. Feature Article
    6. Communications
    1. Pore-Functionalized Nanoporous Materials Derived from Block Copolymers (pages 962–982)

      Cé Guinto Gamys, Jean-Marc Schumers, Clément Mugemana, Charles-André Fustin and Jean-François Gohy

      Version of Record online: 29 APR 2013 | DOI: 10.1002/marc.201300214

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      The different strategies to prepare nanoporous materials with well-defined chemical functionalities at the pore walls from block copolymers are discussed in this Feature Article.

  5. Communications

    1. Top of page
    2. Cover Picture
    3. Masthead
    4. Contents
    5. Feature Article
    6. Communications
    1. Synthesis of Biotinylated Aldehyde Polymers for Biomolecule Conjugation (pages 983–989)

      Steevens N. S. Alconcel, Sung Hye Kim, Lei Tao and Heather D. Maynard

      Version of Record online: 3 APR 2013 | DOI: 10.1002/marc.201300205

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      Cleavable aldehyde side chain, biotin end-group polymers are prepared by reversible addition–fragmentation chain transfer polymerization. The synthesis of short and extended linker disulfide-containing biotin chain transfer agents and aldehyde-functionalized monomers is described. Additionally, the cleavability of streptavidin polymer conjugates with fluorescent reporters conjugated through the aldehyde bond is shown.

    2. Near-Infrared Polymer Light-Emitting Diodes Based on Low-Energy Gap Oligomers Copolymerized into a High-Gap Polymer Host (pages 990–996)

      Timothy T. Steckler, Oliver Fenwick, Toby Lockwood, Mats R. Andersson and Franco Cacialli

      Version of Record online: 2 APR 2013 | DOI: 10.1002/marc.201300240

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      Polymer light-emitting diodes are fabricated by copolymerizing a low-bandgap donor–acceptor–donor segment in various loadings with a high-gap fluorene dialkoxybenzene host. By controlling the loadings, emission wavelength and efficiency could be controlled, resulting in an emission at ≈909 nm with an external quantum efficiency of almost 0.04%, which is one of the best at this wavelength for a single-layer pure polymer emitter.

    3. Polypeptoids by Living Ring-Opening Polymerization of N-Substituted N-Carboxyanhydrides from Solid Supports (pages 997–1001)

      Niklas Gangloff, Corinna Fetsch and Robert Luxenhofer

      Version of Record online: 10 MAY 2013 | DOI: 10.1002/marc.201300269

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      Nucleophilic living ring-opening polymerization from solid-phase synthesis resins allows for the synthesis of highly defined polypeptoids. Multi-block copolymers are accessible via the successive monomer addition due to the stable propagating species. This new approach represents the missing link between solid-phase peptoid synthesis and solution-phase living nucleophilic polymerization of polypeptoids.

    4. Self-Healing in Tough Graphene Oxide Composite Hydrogels (pages 1002–1007)

      Jiaqi Liu, Guoshan Song, Changcheng He and Huiliang Wang

      Version of Record online: 8 MAY 2013 | DOI: 10.1002/marc.201300242

      Thumbnail image of graphical abstract

      Graphene oxide composite hydrogels fabricated by using graphene peroxide as polyfunctional initiating and cross-linking centers exhibit excellent self-healing behavior. The healed gels exhibit very high tensile strength (up to 0.35 MPa) and extremely high elongations (up to 4900%).

    5. Room Temperature Synthesis of Heptazine-Based Microporous Polymer Networks as Photocatalysts for Hydrogen Evolution (pages 1008–1013)

      Kamalakannan Kailasam, Johannes Schmidt, Hakan Bildirir, Guigang Zhang, Siegfried Blechert, Xinchen Wang and Arne Thomas

      Version of Record online: 6 MAY 2013 | DOI: 10.1002/marc.201300227

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      Heptazine-based microporous polymer networks (HMPs) are synthesized by room temperature polycondensation of cyameluric chloride with aromatic diamines. Polymer networks with significant surface area and pore volume are obtained. HMPs are active and stable photocatalysts for the production of hydrogen from water, even under visible light irradiation.

    6. A High-Efficiency Strategy for Synthesizing Cyclic Polymers of Methacryates in One Pot (pages 1014–1019)

      Xing Zhu, Nianchen Zhou, Jian Zhu, Zhengbiao Zhang, Wei Zhang, Zhenping Cheng, Yingfeng Tu and Xiulin Zhu

      Version of Record online: 19 APR 2013 | DOI: 10.1002/marc.201300220

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      A strategy of one-pot ATRP/substitution/CuAAC cyclization for the synthesis of cyclic polymers of methacrylates is developed by the introduction of a regulator. 0.55 g of cyclic poly(methyl methacrylate) (yield = 59%) is obtained from 3.0 mL of reaction solution. This high efficiency and promising strategy for the preparation of cyclic polymers of methacrylates would evoke more research interests on cyclic polymers.

    7. Polythioethers by Thiol-Ene Click Polyaddition of α,ω-Alkylene Thiols (pages 1020–1025)

      Frank Deubel, Victor Bretzler, Richard Holzner, Tobias Helbich, Oskar Nuyken, Bernhard Rieger and Rainer Jordan

      Version of Record online: 6 MAY 2013 | DOI: 10.1002/marc.201300265

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      Thiol-ene click polyaddition. α,ω-Alkylene thiols are polymerized to telechelic poly(thioether)s by photoinduced thiol-ene click polyaddition. The poly(thioether)s are found to be linear and semicrystalline. The melting points increase systematically with the count of the main chain methylene groups.

    8. A New Type of Thermoresponsive Copolymer with UCST-Type Transitions in Water: Poly(N-vinylimidazole-co-1-vinyl-2-(hydroxymethyl)imidazole) (pages 1026–1031)

      Georg Meiswinkel and Helmut Ritter

      Version of Record online: 23 APR 2013 | DOI: 10.1002/marc.201300213

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      Copolymers (3a–f) of 1-vinyl-2-(hydroxymethyl) imidazole (2) and N-vinylimidazole (1) are synthesized. The copolymers show upper critical solution temperatures from a certain ratio of monomer 2. The cloud point depends on the copolymer composition and is easily tunable. In addition, the cloud point is measured at different pH values to emphasize the assumption that hydrogen bonding is responsible for the critical solution behavior.

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