Macromolecular Chemistry and Physics

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Recently Published Articles

  1. Low-Distortion Surface Functionalization of Polymeric Microstructures

    Stephen M. Kuebler, Ananthakrishnan Narayanan, Dale E. Karas and Kaley M. Wilburn

    Article first published online: 10 JUL 2014 | DOI: 10.1002/macp.201400226

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    Polymeric SU-8 microstructures can be surface-functionalized with minimal distortion using aqueous processing and multifunctional macromolecular amines. This approach minimizes swelling and chemical reaction within the polymeric matrix that can lead to irreversible distortion when organic solvents and low-molecular-weight linkers are used to derivatize polymeric surfaces.

  2. Insights into the Chain and Local Mobility of Some Aromatic Polyamides and Their Influence on the Physicochemical Properties

    Mariana-Dana Damaceanu, Radu-Dan Rusu, Mariana Cristea, Valentina-Elena Musteata, Maria Bruma and Aleksandra Wolinska-Grabczyk

    Article first published online: 10 JUL 2014 | DOI: 10.1002/macp.201400213

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    Correlations between the structural features and some of the properties of aromatic fluorinated polyamide are studied, which can be understood by investigating the influence of the polymeric architecture on the chain mobility. In particular, the effect of the chemical structure on thermal transitions and resistance, dynamic mechanical behavior, dielectric relaxations, molecular disorder, wetting characteristics, and gas permeation of these polymers is studied.

  3. Separation of Polypropylene Polymers by Crystallization and Adsorption Techniques

    Benjamin Monrabal and Loli Romero

    Article first published online: 10 JUL 2014 | DOI: 10.1002/macp.201400177

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    The separation of polypropylene resins by crystallization and adsorption techniques is investigated. Due to the stereo­regularity and the semicrystalline nature of polypropylene, the separation of polypropylene copolymer resins is a challenging task. The fundamentals of separation are reviewed for both crystallization and adsorption. A multiple separation approach and the use of hyphenated techniques are required to unequivocally characterize complex resins such as high-impact polypropylene.

  4. Metal-Free Cycloaddition of Internal Alkynes and Multifunctional Azides Under Solvent-Free Conditions

    Benedict Sandmann, Bobby Happ, Jürgen Vitz, Renzo M. Paulus, Martin D. Hager, Peter Burtscher, Norbert Moszner and U. S. Schubert

    Article first published online: 8 JUL 2014 | DOI: 10.1002/macp.201400149

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    By attaching electron-withdrawing carbonyl moieties to the adjacent alkyne functionalities, it is possible to perform the metal-free 1,3-dipolar azide-alkyne cycloaddition under solvent- and metal-free conditions. The moderate mechanical properties and the absence of catalyst make these materials interesting for biomedical applications.

  5. A Polymerizable Bioionic Liquid Based Nanogel: A New Nanocarrier for an Anticancer Drug

    Chandrakant Mukesh, Jitkumar Bhatt and Kamlesh Prasad

    Article first published online: 7 JUL 2014 | DOI: 10.1002/macp.201400269

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    A pH-responsive nanogel (NG) system having average hydrodynamic size of 41 ± 15 nm is synthesized by the simultaneous polymerization and crosslinking of a polymerizable biobased ionic liquid. The NG thus obtained shows prolonged drug delivery for 5-fluorouracil at pH 1.2 (stomach pH) for 10 days at physio­logical human body temperature (37 °C). However, no substantial drug delivery is observed at pH 5 and 7.4.