Journal of Polymer Science Part A: Polymer Chemistry

Cover image for Vol. 51 Issue 10

15 May 2013

Volume 51, Issue 10

Pages i–iv, 2111–2317

  1. Cover Image

    1. Top of page
    2. Cover Image
    3. Highlights
    4. Rapid Communication
    5. Articles
    6. Article
    7. Articles
    8. Notes
    9. Erratum
    1. You have free access to this content
      Cover Image, Volume 51, Issue 10 (pages i–ii)

      Article first published online: 5 APR 2013 | DOI: 10.1002/pola.26676

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      The image background is a schematic structure of the oil-in-water Pickering high-internal-phase-emulsion (HIPE) that is stabilized by commercial titania (TiO2) nanoparticles upon addition of small amounts of non-ionic surfactant Tween85. The open-cell hydrophilic polymer foams in the center of the image are the product as prepared through polymerization of the monomers in the aqueous phase of the Pickering HIPE. As presented by Ye Hua, Shengmiao Zhang, Yun Zhu, Yeqian Chu, and Jianding Chen on page 2181, the morphologies of the foams, such as average void diameter and interconnectivity, can be tailored easily by varying the concentrations of TiO2 nanoparticles and Tween85.

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      Inside Cover, Volume 51, Issue 10 (pages iii–iv)

      Article first published online: 5 APR 2013 | DOI: 10.1002/pola.26677

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      The inside cover image highlights the fundamental connection between the RAFT process and the properties of the resulting polymeric material, as presented by Daniel Heine, Christian Pietsch, Ulrich S. Schubert, and Wolfgang Weigand on page 2171. The picture shows the mixture of the [FeFe]-hydrogenase mimic and the styrene molecules just prior to the polymerization process. The right figure depicts the model complex incorporated into the copolymers. These [FeFe]-hydrogenase mimic copolymers exhibit electrocatalytic proton reduction. Drafted hydrogen molecules suggest a potential future application in which related polymeric materials might be used as electrode materials for proton reduction.

  2. Highlights

    1. Top of page
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    3. Highlights
    4. Rapid Communication
    5. Articles
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    8. Notes
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      Monomers and polymers from plant oils via click chemistry reactions (pages 2111–2124)

      Gerard Lligadas, Juan C. Ronda, Marina Galià and Virginia Cádiz

      Article first published online: 21 MAR 2013 | DOI: 10.1002/pola.26620

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      Polymer chemistry based on oleochemicals has recently realized of the click chemistry sound. The effort is to use renewable plant oils as raw materials and to use green and efficient processes in the manufacturing. This highlight article presents an overview on how efficient chemical transformations, exemplified by the thiol-ene addition, can help to fully exploit the renewable nature of such materials in a sustainable fashion.

  3. Rapid Communication

    1. Top of page
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    3. Highlights
    4. Rapid Communication
    5. Articles
    6. Article
    7. Articles
    8. Notes
    9. Erratum
    1. Synthesis of comb-like block copolymer with poly(N-isopropylacrylamide) backbone and poly(vinyl acetate) or poly(N-vinyl-2-pyrrolidone) side chains by reversible addition-fragmentation chain transfer polymerization (pages 2125–2130)

      Heqin Dou, Xiaomin Zhang, Wei Shen, Jian Zhu, Zhengbiao Zhang and Xiulin Zhu

      Article first published online: 22 FEB 2013 | DOI: 10.1002/pola.26613

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      New route for synthesize block copolymers containing poly(N-isopropylacrylamide) backbone and polyvinyl acetate or poly(N-vinyl-2-pyrrolidone) side chains is developed. The side-chain density and length can be adjusted with the benefit of using living radical polymerization method.

  4. Articles

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    3. Highlights
    4. Rapid Communication
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    8. Notes
    9. Erratum
    1. Synthesis of polymers containing 1,2,4-oxadiazole as an electron-acceptor moiety in their main chain and their solar cell applications (pages 2131–2141)

      Rajalingam Agneeswari, Vellaiappillai Tamilavan, Myungkwan Song, Jae-Wook Kang, Sung-Ho Jin and Myung Ho Hyun

      Article first published online: 19 FEB 2013 | DOI: 10.1002/pola.26605

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      New electron-accepting monomer incorporating 1,2,4-oxadiazole as an electron-accepting moiety was prepared and copolymerized with electron rich N-aryl dithieno pyrrole-based monomer to afford P1. To extend the absorption of P1, thiophene-benzothiadiazole-thiophene and benzothiadiazole units were incorporated in P1 main chain to afford P2 and P3, respectively. P4 was prepared to evaluate the potential of the N-aryl dithienopyrrole unit of P3. Among them, P3 showed broad absorption and high photovoltaic performances.

    2. Solvent replacement to thermo-responsive nanoparticles from long-subchain hyperbranched PSt grafted with PNIPAM for encapsulation (pages 2142–2149)

      Chen He, Ban-Kun Jin, Wei-Dong He, Xue-Song Ge, Jing Tao, Jing Yang and Sheng-Qi Chen

      Article first published online: 14 FEB 2013 | DOI: 10.1002/pola.26609

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      Star-like amphiphlic copolymers of lsc-hp PSt-g-PNIPAM with well-defined structure have been prepared and are molecularly soluble in aqueous solution with a highly dense PSt core and grafting PNIPAM arms. Those copolymers exhibit thermal response and high capacity to encapsulate pyrene.

    3. Spotlight Article

      Synthesis and characterization of novel brush copolymers with biodegradable polyphosphoester side chains for gene delivery (pages 2150–2160)

      Ying Hao, Jinlin He, Mingzu Zhang, Yunfeng Tao, Jian Liu and Peihong Ni

      Article first published online: 22 FEB 2013 | DOI: 10.1002/pola.26617

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      Novel PDMAEMA-based brush copolymers (PHEMA-g-PEEP)-b-PDMAEMA with biodegradable polyphosphoester side chains have been synthesized and characterized. At neutral pH condition, PDMAEMA segments would be partially protonated to produce some hydrophilic segments and possessed positive charges. Because of the chain entanglement and association of hydrophobic segments, the formed aggregates could condense DNA via electrostatic interaction and be served as a potential gene delivery vector.

    4. Synthesis and simultaneous self-assembly of multiblock fluorinated polyurethane in iniferter polymerization (pages 2161–2170)

      Yixiang Zhang, Lu Wang, Zhihua Zhang, Yu Zhang and Xinlin Tuo

      Article first published online: 27 FEB 2013 | DOI: 10.1002/pola.26619

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      A multiblock fluorinated polyurethane (MBFPU) was synthesized using tetraphenylethane-based polyurethane as macroiniferter to free-radically polymerize 1H,1H,3H-trihydro perfluoro-2,4-dimethylpentyl methacrylate (FDPMA). Simultaneous self-assembly occurred in FDPMA polymerization process and various nanostructures, like multicore particles, formed depending on FDPMA concentration. Fluorophobic effect and the cooperation of the fluorinated blocks with polyurethane blocks are demonstrated to be the main contribution to the self-assembly of MBFPU.

    5. Controlled radical polymerization of styrene-based models of the active site of the [FeFe]-hydrogenase (pages 2171–2180)

      Daniel Heine, Christian Pietsch, Ulrich S. Schubert and Wolfgang Weigand

      Article first published online: 14 FEB 2013 | DOI: 10.1002/pola.26584

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      Three different styrene-based monomers connected to a model of the active site of the [FeFe] hydrogenase enzyme are synthesized. The model derivatives could successfully copolymerized by a controlled radical polymerization technique. The incorporation of the [2Fe2S]-hexacarbonyl-cluster is analysed and discussed in detail. It is shown that the biomimetic metal centers keep their activity and redox behavior after the polymerization into the copolymer chains.

    6. Hydrophilic polymer foams with well-defined open-cell structure prepared from pickering high internal phase emulsions (pages 2181–2187)

      Ye Hua, Shengmiao Zhang, Yun Zhu, Yeqian Chu and Jianding Chen

      Article first published online: 19 FEB 2013 | DOI: 10.1002/pola.26588

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      Hydrophilic polymer foams with well-defined open-cell structure are prepared through oil-in-water Pickering high internal phase emulsions, and the formation of the interconnecting pore is clarified.

    7. Aqueous RAFT polymerization of N-isopropylacrylamide-mediated with hydrophilic macro-RAFT agent: Homogeneous or heterogeneous polymerization? (pages 2188–2198)

      Xiaohui Wang, Shentong Li, Yang Su, Fei Huo and Wangqing Zhang

      Article first published online: 14 FEB 2013 | DOI: 10.1002/pola.26599

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      Aqueous RAFT polymerization of N-isopropylacrylamide in the presence of the hydrophilic macro-RAFT agent of poly(dimethylacrylamide) trithiocarbonate is studied. This aqueous RAFT polymerization leads to the poly(dimethylacrylamide)-b-poly(N-isopropylacrylamide)-b-poly(dimethylacrylamide) (PDMA-b-PNIPAM-b-PDMA) triblock copolymer, and the aqueous polymerization is dependent on the temperature-sensitive poly(N-isopropylacrylamide) block length, in which either a homogeneous polymerization or an initial homogeneous polymerization and the subsequent heterogeneous polymerization is involved.

    8. Synthesis and characterization of hydroxy-bisphosphonate micrometer-sized particles by dispersion polymerization of a new styrylbisphosphonate monomer (pages 2199–2207)

      Ravit Chen, Jenny Goldshtein and Shlomo Margel

      Article first published online: 19 FEB 2013 | DOI: 10.1002/pola.26601

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      Crosslinked poly(styrylbisphosphonate) particles were designed and prepared by dispersion polymerization of a new water-soluble styrylbisphosphonate monomer. The novel-generated crosslinked poly(styrylbisphosphonate) microparticles have the ability to bind to hydroxyapatite as was demonstrated by TEM pictures

    9. Synthesis and characterization of phenanthrocarbazole–diketopyrrolopyrrole copolymer for high-performance field-effect transistors (pages 2208–2215)

      Huajie Chen, Yunlong Guo, Xiangnan Sun, Dong Gao, Yunqi Liu and Gui Yu

      Article first published online: 14 FEB 2013 | DOI: 10.1002/pola.26602

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      A novel ladder-type phenanthrocarbazole-based copolymer poly[N-(2-octyldodecyl)-4,8-phenanthro[1,10,9,8-c,d,e,f,g]carbazole-alt-2,5-dihexadecyl-3,6-di(thiophen-2-yl)pyrrolo[3,4-c]pyrrole-1,4(2H,5H)-dione] (PPDPP) was designed and synthesized by vertically extending π-conjugation along polymer main-chain. Highly conjugated polymer backbone facilitated orderly π–π stacking and charge-carrier transport. A high hole mobility of 0.30 cm2/V s and a current on/off ratio above 105 had been demonstrated. These results indicated that the copolymers constructed by this kind of ladder-type cores could be promising organic semiconductors for potential applications in organic optoelectronics.

    10. Block copolystyrene derivatives having flexible alkylsulfonated side chains and hydrophobic alkoxy chains as a proton exchange membrane for fuel cell application (pages 2216–2224)

      Li Sheng, Tomoya Higashihara, Rina Maeda, Teruaki Hayakawa and Mitsuru Ueda

      Article first published online: 19 FEB 2013 | DOI: 10.1002/pola.26603

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      Synthesis of block copolystyrenes derivatives, containing a hydrophobic main chain and flexible pendent aliphatic sulfonic acid groups with varying ion exchange capacities (IECs) from 1.39 to 2.89 mequiv g−1 and the membrane properties, such as proton conductivity, water uptake, morphology and oxidative stability have been investigated.

    11. Facile synthesis for well-defined A2B miktoarm star copolymer of poly(3-hexylthiophene) and poly(methyl methacrylate) by the combination of anionic polymerization and click reaction (pages 2225–2232)

      Jicheol Park, Hong Chul Moon and Jin Kon Kim

      Article first published online: 14 FEB 2013 | DOI: 10.1002/pola.26604

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      This article reports the facile synthesis of Miktoarm star copolymer composed of P3HT and PMMA ((P3HT)2PMMA). The optical property and thin-film morphology of (P3HT)2PMMA were investigated. Two linear P3HT-b-PMMAs are also synthesized to compare fibril structure of P3HT blocks. The π–π interaction between P3HT arms in (P3HT)2PMMA was strong enough to arrange two P3HT backbone chains in (P3HT)2PMMA to stack one by one along the nanofibril axis.

    12. Alternating copolymer based on sulfonamide-substituted phenylmaleimide and vinyl monomers as polymer electrolyte membrane (pages 2233–2242)

      Tomohiro Yasuda, Yukiko Okimura, Arata Oishi, Hisashi Kokubo and Masayoshi Watanabe

      Article first published online: 19 FEB 2013 | DOI: 10.1002/pola.26606

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      Alternating terpolymer, sa-PMI-BVEs, were synthesized from the radical copolymerization of phenylmaleimide with sulfonamide acid groups (sa-PMI), phenylmaleimide (PMI), and n-butyl vinyl ether and their film formability and electrolyte properties were compared with sa-PMI-ST that were synthesized from sa-PMI, PMI, and styrene. Finally, gel filling membrane, sa-PMI-BVE-gel, was used for H2/O2 fuel cell and good performance (OCV and current density at 0.3 V were about 0.95 V and 0.65 A cm−2, respectively) was obtained.

    13. Synthesis and characterization of porphyrin-based D-π-A conjugated polymers for polymer solar cells (pages 2243–2251)

      Pei Jiang, Shaowei Shi, Song Chen, Xiaochen Wang, Haiqiao Wang, Yongfang Li and Xiaoyu Li

      Article first published online: 27 FEB 2013 | DOI: 10.1002/pola.26607

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      Two novel D-π-A polymers PFTTQP and PBDTTQP based on quinoxalino[2,3-b]porphyrin were synthesized. The PCE of the PSCs based on the polymers and PC71BM(1:3, w/w) reached 2.39% for PFTTQP and 1.53% for PBDTTTQP, respectively.

    14. Spotlight Article

      Diels-alder click reaction for the preparation of polycarbonate block copolymers (pages 2252–2259)

      Pinar Sinem Omurtag, Ufuk Saim Gunay, Aydan Dag, Hakan Durmaz, Gurkan Hizal and Umit Tunca

      Article first published online: 19 FEB 2013 | DOI: 10.1002/pola.26608

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      Well-defined α-furan protected maleimide-terminated poly(ethylene glycol) (PEG11-MI or PEG37-MI), poly(methyl methacrylate) (PMMA26-MI), and poly(ε-caprolactone) (PCL27-MI) were clicked with a PC-anthracene at reflux temperature of toluene to yield their corresponding PC-based block copolymers (PC-b-PEG, PC-b-PMMA, and PC-b-PCL). The homopolymer precursors and their corresponding block copolymers were characterized by using the GPC, NMR, and UV analysis.

    15. Thermoreversible nonlinear diels-alder polymerization of furan/plant oil monomers (pages 2260–2270)

      Carla Vilela, Armando J. D. Silvestre and Alessandro Gandini

      Article first published online: 19 FEB 2013 | DOI: 10.1002/pola.26610

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      This study deals with the thermoreversible non-linear Diels-Alder polycondensation of monomers based on plant oil and furan derivatives. The monomers were synthesized using both conventional mechanisms and the thiol-ene click reaction. Those bearing both furan and maleimide moieties were protected to avoid premature polymerization. All the ensuing polymers, whether highly branched, or crosslinked, displayed a clear-cut thermal reversibility to the starting monomers thanks to the retro-Diels-Alder reaction, applied at 110 °C.

  5. Article

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    2. Cover Image
    3. Highlights
    4. Rapid Communication
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    8. Notes
    9. Erratum
    1. Influence of stereoregularity and linkage groups on chiral recognition of poly(phenylacetylene) derivatives bearing L-leucine ethyl ester pendants as chiral stationary phases for HPLC (pages 2271–2278)

      Chunhong Zhang, Fangbin Liu, Yufa Li, Xiande Shen, Xiaodong Xu, Ryosuke Sakai, Toshifumi Satoh, Toyoji Kakuchi and Yoshio Okamoto

      Article first published online: 22 FEB 2013 | DOI: 10.1002/pola.26611

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      Helical poly(phenylacetylene) derivatives, poly-1 and poly-2a, were synthesized and evaluated as chiral stationary phases (CSPs) for HPLC after coated on silica gel. Poly-2a with a shorter amide linkage exhibited higher chiral recognition than poly-1 with a longer urea linkage. The coating solvents of poly-2a on silica gel influenced chiral recognition. The separation factors for some racemates on poly-2a were comparable to those obtained on the popular CSPs derived from polysaccharide phenylcarbamates. Non-helical poly-2b showed much lower chiral recognition than poly-2a, indicating that the helicity based on stereoregular poly(phenylacetylene) main chains plays an important role in chiral recognition.

  6. Articles

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    1. Ring-opening polymerization of lactones using binaphthyl-diyl hydrogen phosphate as organocatalyst and resulting monosaccharide functionalization of polylactones (pages 2279–2287)

      Yong Miao, Yupin Phuphuak, Cyril Rousseau, Till Bousquet, André Mortreux, Suwabun Chirachanchai and Philippe Zinck

      Article first published online: 22 FEB 2013 | DOI: 10.1002/pola.26612

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      The ring-opening polymerization of lactones using binaphthyl-diyl hydrogen phosphate as organocatalyst and an alcohol as co-initiator is well-controlled in mild conditions in the bulk, and affords the one-step functionalization of polylactones with carbohydrates bearing hydroxyl groups.

    2. Spotlight Article

      Mixed substituent poly[(vinyloxy)cyclotriphosphazenes] (pages 2288–2293)

      Kenneth R. Carter and Christopher W. Allen

      Article first published online: 27 FEB 2013 | DOI: 10.1002/pola.26615

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      Two approaches to mixed substituent poly(vinyloxycylotriphosphazenes) have been explored. Polymerization of mixed substituent cyclophosphazene monomers is limited by numerous factors with chain transfer being the most significant. The reactivity of the olefinic center is sensitive to the phosphazene substituents. Nucleophilic substitution reactions of the pentachlorocyclotriphosphazene unit in [CH2CH(ON3P3Cl5)]n leads to complete substitution of the chlorine atoms only by the trifluoroethoxy group. Partial substitution by phenoxy, methyl amino, dimethyl, and diethyl amino groups was achieved. Thermal analysis (DSC and TGA) and pyrolysis mass spectrometry studies have been conducted on all new polymers. Evidence for complex, competing decompositions processes has been obtained

    3. Synthesis of highly monodisperse quantum dot-loaded polymer beads by impregnation and precipitation techniques (pages 2294–2300)

      Jiean Chen, Chengli Yang, Xue Li, Heng Zhang and Biwang Jiang

      Article first published online: 22 FEB 2013 | DOI: 10.1002/pola.26616

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      Highly monodisperse quantum dot-loaded polymer beads with carboxyl groups were successfully synthesized by uniquely combining impregnation and precipitation techniques.

    4. Synthesis and characterization of multiblock partially fluorinated hydrophobic poly(arylene ether sulfone)-hydrophilic disulfonated poly(arylene ether sulfone) copolymers for proton exchange membranes (pages 2301–2310)

      Yu Chen, Jarrett R. Rowlett, Chang Hyun Lee, Ozma R. Lane, Desmond J. VanHouten, Mingqiang Zhang, Robert B. Moore and James E. McGrath

      Article first published online: 22 FEB 2013 | DOI: 10.1002/pola.26618

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      The nanophase separated morphology of 6FBPS0-BPS100 multiblock copolymer membranes was confirmed by transmission electron microscopy (TEM) and small angle X-Ray scattering (SAXS). The enhanced proton conductivity of 6FBPS0-BPSH100 at reduced relative humidity (RH) was observed with longer block lengths.

  7. Notes

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    1. Conjugated microporous polymers consisting of tetrasubstituted [2.2]Paracyclophane junctions (pages 2311–2316)

      Yasuhiro Morisaki, Masayuki Gon and Yoshiki Chujo

      Article first published online: 22 FEB 2013 | DOI: 10.1002/pola.26600

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      Conjugated microporous polymers (CMPs) were synthesized from the tetrasubstituted [2.2]paracyclophane skeleton as a tetra-functional building block using Hay coupling, Sonogashira–Hagihara cross-coupling, and Yamamoto coupling. The CMPs exhibited microporosity (less than 2 nm) and large surface areas (up to approximately 1000 m2 g–1). The CMPs consisted of relatively uniform particles and dispersed in organic solvents.

  8. Erratum

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      Erratum: Synthesis, characterization, and electroluminescence properties of poly(fluorenevinylene benzobisthiazoles) (page 2317)

      Jeremy J. Intemann, Jared F. Mike, Min Cai, Charles A. Barnes, Teng Xiao, Robert A. Roggers, Joseph Shinar, Ruth Shinar and Malika Jeffries-EL

      Article first published online: 27 FEB 2013 | DOI: 10.1002/pola.26621

      This article corrects:

      Synthesis, characterization, and electroluminescence properties of poly(fluorenevinylene benzobisthiazoles)

      Vol. 51, Issue 4, 916–923, Article first published online: 26 NOV 2012

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