Journal of Polymer Science Part A: Polymer Chemistry

Cover image for Vol. 52 Issue 21

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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  1. Polyimide polydimethylsiloxane triblock copolymers for thin film composite gas separation membranes

    Paul A. Gurr, Joel M. P. Scofield, Jinguk Kim, Qiang Fu, Sandra E. Kentish and Greg G. Qiao

    Article first published online: 30 SEP 2014 | DOI: 10.1002/pola.27401

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    A series of novel triblock copolymers consisting of difunctional hard polyimide coupled to soft polydimethylsiloxane is prepared by a combination of condensation polymerization, in situ functionalization, and click coupling. The polymers are demonstrated to successfully coat onto the surface of a crosslinked polydimethylsiloxane substrate forming a highly permeable selective thin film composite membrane for CO2 gas separation.

  2. Enhancing electrochromic contrast and redox stability of nanostructure polypyrrole film doped by heparin as polyanion in different solvents

    Naader Alizadeh and Farnaz Tavoli

    Article first published online: 29 SEP 2014 | DOI: 10.1002/pola.27398

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    The spectroelectrochemical studies in different solvents show that the electrochromic properties of polymer film such as optical contrast, switching time, film stability, and coloration efficiency are greatly enhanced due to the incorporation of Hep.

  3. Patterned growth of oriented 2D covalent organic framework thin films on single-layer graphene

    John W. Colson, Jason A. Mann, Catherine R. DeBlase and William R. Dichtel

    Article first published online: 29 SEP 2014 | DOI: 10.1002/pola.27399

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    Covalent organic frameworks (COFs) are crystalline network polymers that feature permanent porosity, high surface areas, and predictable organization of their monomers. COFs are typically isolated as insoluble powders, but high-quality thin films are needed to fully explore their potential applications. This manuscript demonstrates that suitable solvent mixtures promote COF growth selectively on single-layer graphene. Lithography of the graphene provides patterned COF films, offering unprecedented control of COF growth relevant to their incorporation into device architectures.

  4. Polymerization of an epoxy-containing silacyclobutane and its application to networked polymer synthesis

    Kozo Matsumoto, Yoshinori Goto, Naoki Nagao and Takeshi Endo

    Article first published online: 29 SEP 2014 | DOI: 10.1002/pola.27407

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    A silacyclobutane having an epoxy group (OBMSB) and 1,1-diethylsilacyclobutane (DESB) were copolymerized to obtain polycarbosilane having epoxy pendant groups. These polymers were crosslinked by the following ring-opening polymerization of epoxy moieties with cationic initiators to provide flexible networked polycarbosilanes.

  5. Synthesis of unsaturation containing P(VDF-co-TrFE-co-CTFE) from P(VDF-co-CTFE) in one-pot catalyzed with Cu(0)-based single electron transfer living radical polymerization system

    Xin Hu, Shaobo Tan, Guoxin Gao, Yunchuan Xie, Qinzhuo Wang, Na Li and Zhicheng Zhang

    Article first published online: 26 SEP 2014 | DOI: 10.1002/pola.27410

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    Cu(0)-catalyzed One-Pot strategy with well-controlled and environmental friendly characters was successfully developed to synthesize unsaturation containing P(VDF-co-TrFE-co-CTFE), which combine the concurrent single electron transfer chain transfer reaction (SET-CTR) and the dehydrochlorination reaction of commercial P(VDF-co-CTFE).