Macromolecular Rapid Communications

Cover image for Vol. 33 Issue 1

January 16, 2012

Volume 33, Issue 1

Pages 1–96

  1. Cover Picture

    1. Top of page
    2. Cover Picture
    3. Back Cover
    4. Masthead
    5. Contents
    6. Editorial
    7. Review
    8. Feature Article
    9. Communications
    1. Macromol. Rapid Commun. 1/2012 (page 1)

      Kathrin Isenbügel, Yvonne Gehrke and Helmut Ritter

      Article first published online: 3 JAN 2012 | DOI: 10.1002/marc.201290001

      Thumbnail image of graphical abstract

      Front Cover: The image by Andrew Cohen and Kathrin Isenbuegel represents the self-assembly of Janus-type particles, indicated by the bicolored flower, into well-defined ordered structures. These structures are shown in SEM images in the upper left and lower right corners. Further information can be found in the article by K. Isenbügel, Y. Gehrke, and H. Ritter* on page 41.

  2. Back Cover

    1. Top of page
    2. Cover Picture
    3. Back Cover
    4. Masthead
    5. Contents
    6. Editorial
    7. Review
    8. Feature Article
    9. Communications
    1. Macromol. Rapid Commun. 1/2012 (page 100)

      Pruthesh H. Vargantwar, Kristen E. Roskov, Tushar K. Ghosh and Richard J. Spontak

      Article first published online: 3 JAN 2012 | DOI: 10.1002/marc.201290003

      Thumbnail image of graphical abstract

      Back Cover: Ionic polymer-metal composites which bend in response to electric potential are fabricated using selectively-solvated block ionomers possessing a sulfonated midblock and hydrophobic endblocks. The electroactuation performance is comparable or superior to existing systems. Further details can be found in the article by P. H. Vargantwar, K. E. Roskov, T. K. Ghosh, and R. J. Spontak* on page 61.

  3. Masthead

    1. Top of page
    2. Cover Picture
    3. Back Cover
    4. Masthead
    5. Contents
    6. Editorial
    7. Review
    8. Feature Article
    9. Communications
    1. Macromol. Rapid Commun. 1/2012 (page 2)

      Article first published online: 3 JAN 2012 | DOI: 10.1002/marc.201290002

    2. Macromol. Rapid Commun. 1/2012 (page 99)

      Article first published online: 3 JAN 2012 | DOI: 10.1002/marc.201290004

  4. Contents

    1. Top of page
    2. Cover Picture
    3. Back Cover
    4. Masthead
    5. Contents
    6. Editorial
    7. Review
    8. Feature Article
    9. Communications
    1. Macromol. Rapid Commun. 1/2012 (pages 3–6)

      Article first published online: 3 JAN 2012 | DOI: 10.1002/marc.201290000

  5. Editorial

    1. Top of page
    2. Cover Picture
    3. Back Cover
    4. Masthead
    5. Contents
    6. Editorial
    7. Review
    8. Feature Article
    9. Communications
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  6. Review

    1. Top of page
    2. Cover Picture
    3. Back Cover
    4. Masthead
    5. Contents
    6. Editorial
    7. Review
    8. Feature Article
    9. Communications
    1. Benzo[1,2-b:4,5-b′]dithiophene Building Block for the Synthesis of Semiconducting Polymers (pages 9–20)

      Prakash Sista, Michael C. Biewer and Mihaela C. Stefan

      Article first published online: 7 DEC 2011 | DOI: 10.1002/marc.201100671

      Thumbnail image of graphical abstract

      The synthesis of fused-ring benzo[1,2- b:4,5-b′]dithiophene (BDT) small molecules and semiconducting polymers is described. The BDT building block allows the incorporation of substituents on the central benzene core while maintaining planarity of the two thiophene units. Various donor–acceptor polymers containing benzodithiophene showed good performance in organic solar cells.

  7. Feature Article

    1. Top of page
    2. Cover Picture
    3. Back Cover
    4. Masthead
    5. Contents
    6. Editorial
    7. Review
    8. Feature Article
    9. Communications
    1. Polymers for Anion Recognition and Sensing (pages 21–34)

      Ali Rostami and Mark S. Taylor

      Article first published online: 31 OCT 2011 | DOI: 10.1002/marc.201100528

      Thumbnail image of graphical abstract

      In biological systems, macromolecules (anion-binding proteins) are responsible for tight and selective binding of anionic species. It is only recently that chemists have begun to explore synthetic polymers for applications in anion recognition and sensing. Recent advances in the development of anion-responsive polymers are highlighted, with an emphasis on the structural diversity of macromolecules that may be employed for this purpose.

  8. Communications

    1. Top of page
    2. Cover Picture
    3. Back Cover
    4. Masthead
    5. Contents
    6. Editorial
    7. Review
    8. Feature Article
    9. Communications
    1. Formation of Structured Polygonal Nanoparticles by Phase-Separated Comb-Like Polymers (pages 35–40)

      Verena M. Weiss, Toufik Naolou, Elkin Amado, Karsten Busse, Karsten Mäder and Jörg Kressler

      Article first published online: 22 NOV 2011 | DOI: 10.1002/marc.201100565

      Thumbnail image of graphical abstract

      Internally structured polygonal nanoparticles are prepared from comb-like polymers with amphiphilic character based on poly(glycerol adipate) modified to different extents with steaoryl side chains. The synthetic approach is extremely simply, and the nanoparticles have great potential as a colloidal drug delivery system for oral administration of lipophilic drugs.

    2. Evaporation-Driven Self-Assembly of Colloidal Silica Dispersion: New Insights on Janus Particles (pages 41–46)

      Kathrin Isenbügel, Yvonne Gehrke and Helmut Ritter

      Article first published online: 25 OCT 2011 | DOI: 10.1002/marc.201100499

      Thumbnail image of graphical abstract

      Novel Janus silica particles self-assembling into defined structures during evaporation, prepared by Pickering emulsion approach with 4-phenylazo(benzoic acid) and β-cyclodextrin, are described. The structures were analyzed by electron microscopy, fluorescence microscopy, and IR spectroscopy.

    3. Quantifying Photoinitiation Efficiencies in a Multiphotoinitiated Free-Radical Polymerization (pages 47–53)

      Dominik Voll, Andrea Hufendiek, Thomas Junkers and Christopher Barner-Kowollik

      Article first published online: 13 DEC 2011 | DOI: 10.1002/marc.201100655

      Thumbnail image of graphical abstract

      The first systematic study of six (methyl substituted) acetophenone-type photoinitiators employed in a single cocktail experiment is presented. PLP synthesis in conjunction with coupled online SEC/ESI-MS is the method of choice to obtain absolute quantitative information regarding the initiation ability of the derived radical fragments.

    4. Controlled Positioning of Activated Ester Moieties on Well-Defined Linear Polymer Chains (pages 54–60)

      Ryohei Kakuchi, Mirela Zamfir, Jean-François Lutz and Patrick Theato

      Article first published online: 25 NOV 2011 | DOI: 10.1002/marc.201100611

      Thumbnail image of graphical abstract

      The successful sequence-controlled installation of an activated ester using a newly designed monomer pentafluorophenyl 4-maleimidobenzoate (PFP-MI) was demonstrated. PFP-MI is kinetically installed at an early stage of a nitroxide-mediated polymerization (namely, near the α-chain end) and in the middle of a PS chain. In addition, successful installation of apolar and polar functional groups is achieved via post-polymerization functionalization process.

    5. Enhanced Biomimetic Performance of Ionic Polymer–Metal Composite Actuators Prepared with Nanostructured Block Ionomers (pages 61–68)

      Pruthesh H. Vargantwar, Kristen E. Roskov, Tushar K. Ghosh and Richard J. Spontak

      Article first published online: 22 NOV 2011 | DOI: 10.1002/marc.201100535

      Thumbnail image of graphical abstract

      Selectively-solvated block ionomers possessing a sulfonated midblock and hydrophobic endblocks form robust networks and can be used in ionic polymer-metal composites with electroactuation performance comparable or superior to existing systems.

    6. Triblock Copolymer Based on Poly(propylene oxide) and Poly(1-[11-acryloylundecyl]-3-methyl-imidazolium bromide) (pages 69–74)

      John Texter, Vivek Arjunan Vasantha, Rene Crombez, Rafael Maniglia, Lisa Slater and Thomas Mourey

      Article first published online: 2 DEC 2011 | DOI: 10.1002/marc.201100586

      Thumbnail image of graphical abstract

      A new class of aqueous thermoreversible triblock copolymers with an LCST intervening a sol–gel transition is presented via controlled ATRP synthesis. The triblock copolymer exhibits classical surface activity, is multistimuli responsive, and immunizes charged colloids against ionic strength driven coagulation.

    7. Functional Polyolefins: Poly(ethylene)-graft-Poly(tert-butyl acrylate) via Atom Transfer Radical Polymerization From a Polybrominated Alkane (pages 75–79)

      Guangjuan Xu, Dongren Wang and Michael R. Buchmeiser

      Article first published online: 18 NOV 2011 | DOI: 10.1002/marc.201100521

      Thumbnail image of graphical abstract

      The Cu-catalyzed atom transfer radical graft polymerization of tert-butyl acrylate from polyhydrobrominated ring-opening metathesis polymerization-derived poly(cis-cyclooctene), which structurally corresponds to polybrominated poly(ethylene), is reported. Up to 80 mol-% of the non-activated bromo-groups present in the polymer can be addressed offering unique and unprecedented access to functional polyolefins. Melting points of the graft copolymers correlate with the degree of grafting.

    8. Critical Evaluation of the Microwave Effect on Radical (Co)Polymerizations (pages 80–86)

      Yungwan Kwak, Robert T. Mathers and Krzysztof Matyjaszewski

      Article first published online: 18 NOV 2011 | DOI: 10.1002/marc.201100618

      Thumbnail image of graphical abstract

      Using precise temperature control, a critical evaluation of the microwave effect on initiation, propagation, and termination during conventional radical polymerizations is examined. Comparison of microwave heating (MWH) and conventional heating (CH) suggests that MWH has a minor influence on kd, kp/kt, and comonomer reactivity.

    9. Synthesis and Characterization of 2,7-Linked Carbazole Oligomers (pages 87–91)

      Ruiping Qin and Zhishan Bo

      Article first published online: 2 DEC 2011 | DOI: 10.1002/marc.201100633

      Thumbnail image of graphical abstract

      Four monodisperse 2,7-linked carbazole oligomers are synthesized by modular chemistry, and their photophysical, electrochemical, and thermal properties are investigated. These oligomers in solutions exhibit blue emissions with high quantum efficiency. The onset oxidation potential slightly hoists and the HOMO level becomes lower when the conjugation length increases.

    10. Thermoresponsive Poly(2-oxazine)s (pages 92–96)

      Meta M. Bloksma, Renzo M. Paulus, Huub P. C. van Kuringen, Friso van der Woerdt, Hanneke M. L. Lambermont-Thijs, Ulrich S. Schubert and Richard Hoogenboom

      Article first published online: 25 NOV 2011 | DOI: 10.1002/marc.201100587

      Thumbnail image of graphical abstract

      Comparison of poly(2-oxazine) and poly(2-oxazoline) isomers reveals that poly(2-oxazine)s are more water soluble, indicating that the side chain has a stronger impact on polymer solubility than the main chain (see image). As such, variations of both side and main chains of poly(cyclic imino ether)s allow accurate tuning of the cloud point temperature in between 94 °C and 11 °C.

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