Macromolecular Rapid Communications

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  1. How the World Changes By Going from One- to Two-Dimensional Polymers in Solution

    A. Dieter Schlüter, Payam Payamyar and Hans Christian Öttinger

    Version of Record online: 25 AUG 2016 | DOI: 10.1002/marc.201600425

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    The differences between 1D and 2D polymers are not limited to their topologies or how to access them synthetically. The physical concepts that describe the universality of these two classes of macromolecules come from entirely different worlds, like snakes and stingrays. In this work, a brief overview of these two worlds will be provided, through a discussion on polymer solutions.

  2. Spherical Polyolefin Particles from Olefin Polymerization in the Confined Geometry of Porous Hollow Silica Particles

    Ines Freudensprung, Daejune Joe, Sven Nietzel, Doris Vollmer, Markus Klapper and Klaus Müllen

    Version of Record online: 24 AUG 2016 | DOI: 10.1002/marc.201600295

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    Spherical polyolefin particles with very narrow size distribution are obtained by polymerizing ethylene within the confined geometries of porous hollow silica particles (HSPs) exhibiting a monomodal size distribution. By selectively immobilizing metallocene catalysts inside the micrometer-sized HSPs, the high hydraulic forces resulting from polymer growth within these “mini-reactors” cause their supporting shell to break up from the inside.

  3. Facile Fabrication of PEGylated Fluorescent Organic Nanoparticles with Aggregation-Induced Emission Feature via Formation of Dynamic Bonds and Their Biological Imaging Applications

    Zi Long, Meiying Liu, Qing Wan, Liucheng Mao, Hongye Huang, Guangjian Zeng, Yiqun Wan, Fengjie Deng, Xiaoyong Zhang and Yen Wei

    Version of Record online: 22 AUG 2016 | DOI: 10.1002/marc.201600253

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    Fluorescent organic nanoparticles with an aggregation-induced emission feature, good water dispersibility, and good biocompatibility have been fabricated via formation of dynamic phenyl borate bonds between the diol group of ADP-PhCHO and phenylboronic acid group of PEGMA–VPBA in a facile one-pot strategy.

  4. Reversible Deactivation Radical Polymerization of Monomers Containing Activated Aziridine Groups

    David C. McLeod and Nicolay V. Tsarevsky

    Version of Record online: 22 AUG 2016 | DOI: 10.1002/marc.201600354

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    Two aziridine-containing monomers, 2-(4-vinylphenyl)aziridine and N-mesyl-2-(4-vinylphenyl)aziridine, are polymerized under various reversible deactivation radical polymerization conditions. Well-defined polymers are obtained when employing nitroxide-mediated polymerization, and—for the latter monomer— also reversible addition-fragmentation chain-transfer polymerization.

  5. Effect of Broken Conjugation on the Stretchability of Semiconducting Polymers

    Suchol Savagatrup, Xikang Zhao, Esther Chan, Jianguo Mei and Darren J. Lipomi

    Version of Record online: 16 AUG 2016 | DOI: 10.1002/marc.201600377

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    Conjugation-break spacers lead to unexpected trends in the mechanical and photovoltaic properties of a series of diketopyrrolopyrrole-based conjugated polymers. This study highlights the importance of solid-state packing structure in determining the mechanical properties of a conjugated polymer film for stretchable, ultraflexible, and mechanically robust electronics.

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