Macromolecular Chemistry and Physics

Cover image for Vol. 213 Issue 15

August 14, 2012

Volume 213, Issue 15

Pages 1525–1632

  1. Cover Picture

    1. Top of page
    2. Cover Picture
    3. Back Cover
    4. Masthead
    5. Contents
    6. Full Papers
    7. Correction
    1. Macromol. Chem. Phys. 15/2012 (page 1525)

      Peng Gao, Jin Wang, Pei-Jing Wang, Lin Ye, Ai-Ying Zhang and Zeng-Guo Feng

      Version of Record online: 2 AUG 2012 | DOI: 10.1002/macp.201290045

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      Front Cover: γ-CDs are moved over the outer PNIPAAm blocks of PNIPAAm-b-PEG-b-PNIPAAm and preferably entrapped on the central PEG block to give rise to novel loose-fit polypseudorotaxanes in aqueous solution. The length of the PNIPAAm blocks dominates the inclusion complexation process. Further details can be found in the article by P. Gao, J. Wang, P.-J. Wang, L. Ye, A.-Y. Zhang, and Z.-G. Feng* on page 1532.

  2. Back Cover

    1. Top of page
    2. Cover Picture
    3. Back Cover
    4. Masthead
    5. Contents
    6. Full Papers
    7. Correction
    1. Macromol. Chem. Phys. 15/2012 (page 1636)

      Yunfeng Yan, Jingjing Liu, Yubing Xiong, Ye Cheng and Ping Yao

      Version of Record online: 2 AUG 2012 | DOI: 10.1002/macp.201290046

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      Back Cover: In pH 5.5 water/organic solvent medium, the hydrophobic groups of dodecylated poly(allylamine) are exposed; the hydrophobic interactions between the polymer and superoxide dismutase (SOD) increase after removing the organic solvent. As a result, the SOD binding increases and the SOD release from Complex II is remarkably extended. Further details can be found in the article by Y. Yan, J. Liu, Y. Xiong, Y. Cheng, and P. Yao* on page 1540.

  3. Masthead

    1. Top of page
    2. Cover Picture
    3. Back Cover
    4. Masthead
    5. Contents
    6. Full Papers
    7. Correction
    1. Macromol. Chem. Phys. 15/2012

      Version of Record online: 2 AUG 2012 | DOI: 10.1002/macp.201290047

  4. Contents

    1. Top of page
    2. Cover Picture
    3. Back Cover
    4. Masthead
    5. Contents
    6. Full Papers
    7. Correction
  5. Full Papers

    1. Top of page
    2. Cover Picture
    3. Back Cover
    4. Masthead
    5. Contents
    6. Full Papers
    7. Correction
    1. Loose-Fit Polypseudorotaxanes Fabricated by γ-CDs Threaded Onto a Single PNIPAAm-PEG-PNIPAAm Chain in Aqueous Solution (pages 1532–1539)

      Peng Gao, Jin Wang, Pei-Jing Wang, Lin Ye, Ai-Ying Zhang and Zeng-Guo Feng

      Version of Record online: 4 JUN 2012 | DOI: 10.1002/macp.201200105

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      Novel loose-fit polypseudorotaxanes are prepared by self-assembly of γ-CDs with a PNIPAAm-PEG-PNIPAAm block copolymer in aqueous solution. The inclusion complexation process depends on the length of the terminating PNIPAAm blocks, and the threaded γ-CDs are preferably located on the central PEG block.

    2. Superoxide Dismutase Binding and Release Behaviors of Dodecylated Poly(allylamine)s: Effects of Self-Aggregation and Organic Solvents (pages 1540–1549)

      Yunfeng Yan, Jingjing Liu, Yubing Xiong, Ye Cheng and Ping Yao

      Version of Record online: 5 JUN 2012 | DOI: 10.1002/macp.201200130

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      Dodecylated poly(allylamine) can associate with superoxide dismutase (SOD) in pH 5.5 aqueous solution. In pH 5.5 water/organic solvent medium, the hydrophobic groups in the polymer are exposed; the hydrophobic interactions between the polymer and SOD increase significantly after removing the organic solvent. Compared with the SOD release from the former complex, the SOD release from the latter complex was markedly extended in PBS.

    3. Surface Modification of Gold Nanorods by Grafting Fluorene-Based Conjugated Copolymers Containing Thiol-Pendants (pages 1550–1558)

      Duryodhan Sahu, Hsuan-Chih Chu, Po-Jen Yang and Hong-Cheu Lin

      Version of Record online: 13 JUL 2012 | DOI: 10.1002/macp.201100550

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      TF-GNRs and PTF-GNRs provide the grafting evidence of TF and PTF to the surfaces of gold nanorods GNRs. Compared with TF-GNRs, the resulting PTF-GNRs (gold nanorods surface-modified with polymer) show a better solubility and stability against aggregations of nanorods in THF due to the stronger longitudinal surface plasmon band.

    4. Design and Photonic Properties of Novel Fluorinated Copolymers Bearing Phthalocyanine Side Groups (pages 1559–1568)

      Guillaume Tillet, Piero De Leonardis, Ali Alaaeddine, Masashi Umeda, Satoru Mori, Norio Shibata, Shawkat M. Aly, Daniel Fortin, Pierre D. Harvey and Bruno Ameduri

      Version of Record online: 6 JUL 2012 | DOI: 10.1002/macp.201200076

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      The design of original poly(CTFE-alt-CEVE) alternating fluoro-copolymers containing fluoroazidophthalocyanine dangling side groups by click chemistry is described. The thermal and photophysical properties of the fluoropolymers are assessed.

    5. Transparent Hydrophilic Materials Containing Covalently Attached Phthalimide Azo Dyes (pages 1569–1574)

      Gero Maatz and Helmut Ritter

      Version of Record online: 12 JUL 2012 | DOI: 10.1002/macp.201200068

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      A new type of polymerizable and crosslinking phthalimide-based azo dye is synthesized and copolymerized with water-soluble N,N-dimethylacrylamide (NDA). The covalent emplacement of the dyes in the transparent and colored polymeric material is investigated by means of extraction tests. The crosslinking properties of the dyes and the water uptake are studied using rheological and swelling tests.

    6. Porous Polybenzimidazoles via Template-Free Suzuki Coupling Polymerization: Preparation, Porosity, and Heterogeneous Catalytic Activity in Knoevenagel Condensation Reactions (pages 1575–1581)

      Xin-Jian Zhang, Ning Bian, Li-Juan Mao, Qi Chen, Ling Fang, Ai-Di Qi and Bao-Hang Han

      Version of Record online: 2 JUL 2012 | DOI: 10.1002/macp.201200074

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      Suzuki coupling polymerization between aromatic boronic acids and halo- benzimidazole provides a new alternative approach to prepare porous polybenzimidazoles for gas adsorption and heterogeneous catalysis.

    7. Investigations Into Amphiphilic Chitosan: Properties and Availability of Original and Newly Introduced Functional Groups (pages 1582–1589)

      Hubert Fasl, Lidija Fras Zemljič, Walter Goessler, Karin Stana-Kleinschek and Volker Ribitsch

      Version of Record online: 16 JUL 2012 | DOI: 10.1002/macp.201200086

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      The physicochemical behavior of 3,6-O-chitosansulfate in aqueous solution is studied. The accessible amounts of protonated amino groups and the accessible amounts of negatively charged sulfate groups are determined by means of different titration techniques because all important biological characteristics related to chitosan and its derivatives seem to be influenced by the charging behavior of the existing moieties.

    8. Intrinsically Fluorescent Microspheres with Superior Thermal Stability and Broad Ultraviolet-Visible Absorption Based on Hybrid Polyphosphazene Material (pages 1590–1595)

      Tingjun Pan, Xiaobin Huang, Hao Wei, Wei Wei and Xiaozhen Tang

      Version of Record online: 5 JUN 2012 | DOI: 10.1002/macp.201200099

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      A novel monodispersed microsphere with tunable size based on hybrid polyphosphazene is prepared by a facile self-assembly process. The polymer exhibits excellent thermal and intrinsically fluorescent properties and a broad ultraviolet-visible absorption from 300 to 450 nm, which mean that it has potential applications in ablation-resistant materials, solar energy photoelectric materials and biomaterials.

    9. Isothianaphthene-Based Conjugated Polymers for Organic Photovoltaic Cells (pages 1596–1603)

      Guankui Long, Xiangjian Wan, Jiaoyan Zhou, Yongsheng Liu, Zhi Li, Guangrui He, Mingtao Zhang, Yanhui Hou and Yongsheng Chen

      Version of Record online: 3 JUL 2012 | DOI: 10.1002/macp.201200142

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      Two quinoidal copolymers PBDT-DEAITN and PBDT-DOAITN are synthesized and characterized. Polymer solar cells based on these two polymers as donors and PC61BM as the acceptor exhibit PCEs around 1.2%. The reasons behind the low PCEs are investigated and the large dihedral angles between BDT and ITN units in the polymers are believed to be one of the major causes.

    10. Effect of Counter Anions on Kinetics and Stereoregularity for the Strong Brønsted Acid-Promoted Group Transfer Polymerization of N,N-Dimethylacrylamide (pages 1604–1611)

      Keita Fuchise, Yougen Chen, Kenji Takada, Toshifumi Satoh and Toyoji Kakuchi

      Version of Record online: 6 JUN 2012 | DOI: 10.1002/macp.201200146

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      The strong Brønsted acid-promoted group transfer polymerization of N,N-dimethylacrylamide is carried out to quantitatively evaluate the effect of the counter anions for the employed acids on the kinetics and the stereoregularity of the polymerization. The equilibrium constant for the monomer activation and the rate constant for the propagation reaction are determined. The activation parameters for the stereospecific propagation are determined from the Fordham plot.

    11. Synthesis and Photophysical Behavior of Pyrene-Bearing Cellulose Nanocrystals for Fe3+ Sensing (pages 1612–1617)

      Lingzhi Zhang, Qian Li, Jinping Zhou and Lina Zhang

      Version of Record online: 8 JUN 2012 | DOI: 10.1002/macp.201200233

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      A novel fluorescent chemosensor based on pyrene fluorophore is synthesized onto cellulose nanocrystals by a three-step procedure. The fluorescence emission of pyrene was enhanced after the modification to cellulose nanocrystals and shows excellent selectivity for Fe3+. The coordination interaction between Fe3+ and pyene-modified cellulose nanocrystals led to the recognition process. This sensing nanomaterial could be employed as a chemosensor for Fe3+.

    12. Phototriggered In-Situ Generation of Triethylborane for Polymer Synthesis Under Air (pages 1618–1622)

      Jacques Lalevée, Guillaume Povie, Mohamad Ali Tehfe, Sofia Telitel, Fabrice Morlet-Savary, Bernadette Graff and Jean Pierre Fouassier

      Version of Record online: 17 JUL 2012 | DOI: 10.1002/macp.201200186

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      Upon demand, 1,3-diamino-propane-triethylborane (DAPTB) is photolyzed in the presence of an acid generator. Interestingly, triethylborane is released. In the presence of oxygen, ethyl radicals are generated and initiate an acrylate polymerization. This is the first example of a phototriggered production of a triethylborane usable in the photoinitiation of acrylate polymerizations.

    13. Modification of Microbial Polymalic Acid With Hydrophobic Amino Acids for Drug-Releasing Nanoparticles (pages 1623–1631)

      Alberto Lanz-Landázuri, Montserrat García-Alvarez, José Portilla-Arias, Antxon Martínez de Ilarduya, Eggehard Holler, Julia Ljubimova and Sebastián Muñoz-Guerra

      Version of Record online: 14 JUN 2012 | DOI: 10.1002/macp.201200134

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      Amphiphylic copolymers from microbial poly(β,L-malic acid) and hydrophobic amino acids, L-leucine ethyl ester or L-phenylalanine methyl ester, were used for preparing self-assembled nanoparticles. The suitability of these as drug delivery systems has been examined. Anticancer drugs can be encapsulated and released upon incubation under physiological conditions.

  6. Correction

    1. Top of page
    2. Cover Picture
    3. Back Cover
    4. Masthead
    5. Contents
    6. Full Papers
    7. Correction
    1. You have free access to this content
      Fe(0) Powder/CuBr2-Mediated “Living”/Controlled Radical Polymerization of Methyl Methacrylate and Styrene at Ambient Temperature (page 1632)

      Lili Zhou, Zhengbiao Zhang, Zhenping Cheng, Nianchen Zhou, Jian Zhu, Wei Zhang and Xiulin Zhu

      Version of Record online: 2 AUG 2012 | DOI: 10.1002/macp.201200192

      This article corrects:

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