Journal of Polymer Science Part A: Polymer Chemistry

Cover image for Vol. 52 Issue 20

Impact Factor: 3.543

ISI Journal Citation Reports © Ranking: 2012: 12/83 (Polymer Science)

Online ISSN: 1099-0518

Associated Title(s): Journal of Polymer Science Part B: Polymer Physics

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    Orthogonal multiple click reactions in synthetic polymer chemistry

    Umit Tunca

    Article first published online: 15 SEP 2014 | DOI: 10.1002/pola.27379

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    This review highlights the concept of multiple click reaction strategy which is utilized for design and synthesis of well-defined complex macromolecular structures as well as multifunctionalization of well-defined polymers. This review examines the click combinations mainly from double to quadruple and additionally from the most frequently used to the least.

  2. Crosslinking-induced morphology change of latex nanoparticles: A study of RAFT-mediated polymerization in aqueous dispersed media using amphiphilic double-brush copolymers as reactive surfactants

    Yukun Li, Leela Christian-Tabak, Vivien Li Fong Fuan, Jiong Zou and Chong Cheng

    Article first published online: 15 SEP 2014 | DOI: 10.1002/pola.27387

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    Amphiphlic brush copolymers with each graft junction carrying one hydrophilic graft and one hydrophobic graft are synthesized and characterized. They are further used as both surfactants and polyfunctional RAFT agents for radical polymerization of styrene in miniemulsions. Depending on whether crosslinker is present in the polymerization systems, spherical and vesicular latex nanoparticles are obtained, respectively. The mechanism for such unusual crosslinking-induced morphology change of latex nanoparticles is discussed.

  3. Visible light-induced controlled radical polymerization of methacrylates with perfluoroalkyl iodide as the initiator in conjugation with a photoredox catalyst fac-[Ir(ppy)]3

    Qian Liu, Lianying Liu, Yuhong Ma, Changwen Zhao and Wantai Yang

    Article first published online: 15 SEP 2014 | DOI: 10.1002/pola.27390

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    A new visible light-induced controlled radical polymerization of methacrylates, such as MMA, GMA, and TFEMA, with perfluoro-1-iodohexane (CF3(CF2)5I) as the initiator in the presence of a photoredox catalyst (fac-[Ir(ppy)3]) was developed. This method was used to successfully synthesize a clean diblock copolymer PMMA-b-PGMA with PMMA-I as the macroinitiator.

  4. Thermally curable organic/inorganic hybrid polymers as gate dielectrics for organic thin-film transistors

    Jong-Woon Ha, Yuntae Kim, Jeongkyun Roh, Fei Xu, Jong Il Park, Jeonghun Kwak, Changhee Lee and Do-Hoon Hwang

    Article first published online: 15 SEP 2014 | DOI: 10.1002/pola.27388

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    New low-temperature curable organic/inorganic hybrid polymers were designed and synthesized as gate dielectrics for organic thin-film transistors. The synthesized insulators as gate dielectric layers had higher hole mobilities (up to 0.36 cm2/Vs) than a device using thermally cross-linked poly(vinyl phenol) and melamine as the gate dielectric layer (0.18 cm2/Vs).

  5. Synthesis of novel cyclic olefin polymers with excellent transparency and high glass-transition temperature via gradient copolymerization of bulky cyclic olefin and cis-cyclooctene

    Ji-Xing Yang, Jing Cui, Ying-Yun Long, Yan-Guo Li and Yue-Sheng Li

    Article first published online: 13 SEP 2014 | DOI: 10.1002/pola.27386

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    Novel Cyclic Olefin Polymers (COPs) with high Tg (up to 201.2 °C) and excellent transparency (transmittance >88%) have been synthesized for the first time via gradient ring-opening metathesis copolymerization of bulky norbornene derivative (HBMN) with cis-cyclooctene (COE). To get amorphous copolymers with only one Tg, high HBMN/COE mole ratio and short polymerization time are preferred. In sharp contrast, all the films of HBMN/COE block copolymers are opaque and show decreased film forming ability.

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