Macromolecular Chemistry and Physics

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Recently Published Articles

  1. MALDI-TOF Analysis of Halogen Telechelic Poly(methyl methacrylate)s and Poly(methyl acrylate)s Prepared by Atom Transfer Radical Polymerization (ATRP) or Single Electron Transfer-Living Radical Polymerization (SET-LRP)

    Justine Couthouis, Helmut Keul and Martin Möller

    Article first published online: 27 JUL 2015 | DOI: 10.1002/macp.201500144

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    Poly(methyl methacrylate) and poly­(methyl acrylate) samples are prepared by atom transfer radical polymerization or single electron transfer-living radical polymerization using methyl dichloroacetate (MDCA) and ethyl dibromoacetate (EDBA) as bifunctional initiators. Characteristics of the polymers are determined by GPC and NMR analyses; particular attention is paid to the end group functionality estimated by MALDI-TOF mass spectrometry.

  2. Improved Synthesis of Oligomeric Sulfone-Based Phthalonitriles

    Matthew Laskoski, Teddy M. Keller, Holly L. Ricks-Laskoski, Carl B. Giller and Judson Hervey

    Article first published online: 27 JUL 2015 | DOI: 10.1002/macp.201500198

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    An improved method for the synthesis of oligomeric sulfonyl-containing phthalo­nitriles with excellent processability has been developed. This phthalonitrile resin exhibits lower viscosities relative to previously reported systems and after thermal curing to yield crosslinked polymers, this sulfonyl-based polymer demonstrates superb mechanical properties and thermo-oxidative stability, absorbs less than 1.0 weight percent water, and maintains good dielectric properties.

  3. Polylactide-Based Nanoparticles with Tailor-Made Functionalization

    Veronika Beer, Kaloian Koynov, Werner Steffen, Katharina Landfester and Anna Musyanovych

    Article first published online: 21 JUL 2015 | DOI: 10.1002/macp.201500153

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    The synthesis of carboxyl and fluorescent functionalized poly(lactic acid)-based nanoparticles through copolymerization between vinyl-terminated oligolactic acid and functional comonomer is reported. The resulting nanoparticles with a diameter average of 90 nm have an increased carboxyl group density on their surface for enhanced stability in the salt solutions and carry a fluorescent dye for monitoring in the imaging experiments.

  4. Novel Access to Propagation Rate Coefficients of Radical Polymerization by the SP–PLP–EPR Method

    Hendrik Kattner, Patrick Drawe and Michael Buback

    Article first published online: 21 JUL 2015 | DOI: 10.1002/macp.201500191

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    Time-resolved EPR measurement of radical concentration after instantaneous pulsed-laser-induced production enables analysis of propagation and termination kinetics for slowly terminating macroradicals. The reliability of the so-obtained data is checked by additional NIR experiments.

  5. High-Performance Segmented Liquid Crystalline Copolyesters

    Ashley M. Nelson, Gregory B. Fahs, Robert B. Moore and Timothy E. Long

    Article first published online: 21 JUL 2015 | DOI: 10.1002/macp.201500181

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    One-pot melt transesterification affords a novel series of Pluronic-containing segmented liquid crystalline copolyesters. Systematically changing the methylene spacer and soft segment oligoether elucidates structure–property–morphology relationships for tailoring to high-performance applications.