Polymer International

Cover image for Vol. 60 Issue 1

January 2011

Volume 60, Issue 1

Pages 1–152

  1. Editorials

    1. Top of page
    2. Editorials
    3. Mini-reviews
    4. Reviews
    5. Rapid Reports
    6. Research Articles
  2. Mini-reviews

    1. Top of page
    2. Editorials
    3. Mini-reviews
    4. Reviews
    5. Rapid Reports
    6. Research Articles
    1. On the hydrodynamic analysis of conformation in mixed biopolymer systems (pages 2–8)

      Stephen E Harding, Ali S Abdelhameed and Gordon A Morris

      Article first published online: 15 OCT 2010 | DOI: 10.1002/pi.2934

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      Bead-shell model for a wild-type IgG3 antibody.

  3. Reviews

    1. Top of page
    2. Editorials
    3. Mini-reviews
    4. Reviews
    5. Rapid Reports
    6. Research Articles
    1. End-functional polymers, thiocarbonylthio group removal/transformation and reversible addition–fragmentation–chain transfer (RAFT) polymerization (pages 9–25)

      Graeme Moad, Ezio Rizzardo and San H Thang

      Article first published online: 23 DEC 2010 | DOI: 10.1002/pi.2988

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      Processes for thiocarbonylthio group removal/transformation from polymers synthesized by radical polymerization with reversible addition–fragmentation–chain transfer (RAFT) are critically reviewed.

    2. Recent developments in fuel-processing and proton-exchange membranes for fuel cells (pages 26–41)

      He Bai and WS Winston Ho

      Article first published online: 14 OCT 2010 | DOI: 10.1002/pi.2936

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      Polymer membranes for hydrogen purification and proton transport for use in fuel cells are reviewed. New facilitated transport membranes with amines show high carbon dioxide permeability and selectivity versus hydrogen for hydrogen purification.

  4. Rapid Reports

    1. Top of page
    2. Editorials
    3. Mini-reviews
    4. Reviews
    5. Rapid Reports
    6. Research Articles
    1. Slipping of carbon nanotubes in a rubber matrix (pages 42–44)

      Changwoon Nah, Jee Young Lim, Rajatendu Sengupta, Baik Hwan Cho and Alan N Gent

      Article first published online: 2 AUG 2010 | DOI: 10.1002/pi.2909

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      Scanning electron microscopy examinations showed that carbon nanotube (CNT) bundles emerged from the side surface of a rubber matrix and slowly slid back in when the deformation was removed. This extensive slipping out of CNTs from the rubber matrix suggests that interfacial interactions between CNTs and natural rubber are quite weak.

    2. Water-soluble fluorescent nanoparticles without distinct aggregation of conjugated polymer chains (pages 45–50)

      Guangwei Zhang, Xiaomei Lu, Yunyun Wang, Yanqin Huang, Quli Fan and Wei Huang

      Article first published online: 8 NOV 2010 | DOI: 10.1002/pi.2944

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      Novel water-soluble fluorescent nanoparticles without distinct aggregation of their constituent conjugated polymer chains were prepared by non-covalently bonded self-assembly.

  5. Research Articles

    1. Top of page
    2. Editorials
    3. Mini-reviews
    4. Reviews
    5. Rapid Reports
    6. Research Articles
    1. Porous composites of hydroxyapatite-filled poly[ethylene-co-(vinyl acetate)] for tissue engineering (pages 51–58)

      MC Sunny, PV Vincy, PR Anil Kumar and P Ramesh

      Article first published online: 22 NOV 2010 | DOI: 10.1002/pi.2973

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      Cells lining the pores of a novel porous composite of hydroxyapatite/ poly[ethylene-co-(vinyl acetate)] fabricated using the gas foaming technique intended for bone replacement applications.

    2. Ultradrawing properties of ultrahigh- molecular-weight polyethylene/carbon nanotube fibers prepared at various formation temperatures (pages 59–68)

      Jen-Taut Yeh, Yu-Ching Lai, Hai Liu, Yao-Chi Shu, Chi-Yuan Huang, Kuo-Shien Huang and Kan-Nan Chen

      Article first published online: 13 SEP 2010 | DOI: 10.1002/pi.2911

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      The influence of formation temperature on the ultradrawing properties of ultrahigh-molecular-weight polyethylene/carbon nanotube (UHMWPE/CNT) fiber specimens was investigated. Gel solutions of UHMWPE/CNT with various CNT contents were gel-spun at optimum concentration and temperature but cooled at various formation temperatures in order to improve the ultradrawing and tensile properties of UHMWPE/CNT composite fibers.

    3. ABTS•+ scavenging activity of polypyrrole, polyaniline and poly(3,4-ethylenedioxythiophene) (pages 69–77)

      Chyong Fang Hsu, Hui Peng, Cédric Basle, Jadranka Travas-Sejdic and Paul A Kilmartin

      Article first published online: 16 AUG 2010 | DOI: 10.1002/pi.2912

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      Conducting polymers show radical scavenging activity confirmed through an adaptation of the 2,2′-azino-bis(3-ethylbenzothiazoline-6-sulfonic acid) diammonium salt (ABTS) antioxidant assay. Reduced conducting polymers and nanostructured polyaniline exhibit a superior radical scavenging capacity.

    4. Ionic polymers with expanded π-conjugation systems derived from through-space interaction in piperazinium and homopiperazinium rings (pages 78–84)

      Isao Yamaguchi, Yukari Matsuda and Moriyuki Sato

      Article first published online: 7 SEP 2010 | DOI: 10.1002/pi.2913

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      Reactions of N-(2,4-dinitrophenyl)-4-arylpyridinium chlorides with piperazine or homopiperazine yielded polymers with expanded π-conjugation systems derived from orbital interaction between electrons of the two nitrogen atoms on the piperazinium and homopiperazinium rings.

    5. Novel sulfonated poly(arylene biphenylsulfone ether) copolymers containing bisphenylsulfonyl biphenyl moiety: structural, thermal, electrochemical and morphological characteristics (pages 85–92)

      Dong Jin Yoo, Seung Hak Hyun, Ae Rhan Kim, G Gnana Kumar and Kee Suk Nahm

      Article first published online: 21 SEP 2010 | DOI: 10.1002/pi.2914

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      A series of new sulfonated poly(arylene biphenylsulfone ether) (sPBPSE) copolymers were synthesized from 4,4′-bis[(4-chlorophenyl)sulfonyl]-1,1′-biphenyl, disodium 3,3′-disulfonate-4,4′-dichlorodiphenylsulfone and bisphenol A via aromatic nucleophilic displacement polycondensation. Their structural, thermal, electrochemical and morphological characteristics were studied.

    6. Preparation and orientation behavior of multi-walled carbon nanotubes grafted with a side-chain azobenzene liquid crystalline polymer (pages 93–101)

      Tianhui Hu, Helou Xie, Li Chen, Guanqun Zhong and Hailiang Zhang

      Article first published online: 13 SEP 2010 | DOI: 10.1002/pi.2917

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      The dispersion and orientation of carbon nanotubes are challenging issues in terms of making full use of their extraordinary physical properties. Here, the synthesis and orientation behavior of multi-walled carbon nanotubes modified with side-chain azobenzene liquid crystalline polymer are presented.

    7. Synthesis of hybrid nanocomposites based on new triazeno copolymers and montmorillonite used for detecting metal ions (pages 102–111)

      Violeta Melinte, Tinca Buruiana, Daniel Tampu and Emil C Buruiana

      Article first published online: 7 SEP 2010 | DOI: 10.1002/pi.2918

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      Hybrid composites based on a triazene copolymer matrix with organically modified montmorillonite showed emissive properties which can be exploited in chemosensor applications (e.g. for sensing uranyl ions).

    8. Novel poly(3,4-dialkoxythiophene)s carrying 1,3,4-oxadiazolyl-biphenyl moieties: synthesis and nonlinear optical studies (pages 112–118)

      Pramod Kumar Hegde, A Vasudeva Adhikari, Megur G Manjunatha, CS Suchand Sandeep and Reji Philip

      Article first published online: 21 SEP 2010 | DOI: 10.1002/pi.2919

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      Two new conjugated poly{2-(biphenyl-4-yl)-5-[3,4-dialkoxy-5-(1,3,4-oxadiazol-2-yl)thiophen-2-yl]-1,3,4-oxadiazole}s were synthesized and characterized. They were shown to be good candidates for optical limiting applications.

    9. Crystallization and dissolution behaviour of polyamide 6–water systems under pressure (pages 119–125)

      Karine Charlet, Vincent Mathot and Jacques Devaux

      Article first published online: 21 SEP 2010 | DOI: 10.1002/pi.2920

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      Differential scanning calorimetry heating curves of polyamide 6 (PA6)–water systems at 20 bar (2 MPa) as a function of PA6 concentration, showing the decrease of the PA6 melting temperature from 220 to ca 150 °C.

    10. Preparation and properties of one-pack polybenzoxazine-modified polyurethanes with improved thermal stability and electrical insulating properties (pages 126–135)

      Sadegh Jamshidi, Hamid Yeganeh and Shahram Mehdipour-Ataei

      Article first published online: 7 SEP 2010 | DOI: 10.1002/pi.2921

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      Poly(urethane-co-benzoxazine) networks were prepared using a simple and efficient method. Low curing temperature and very good thermal, mechanical and electrical properties are fascinating features of these novel polymers.

    11. Synthesis and characterization of Sm(III)–hyperbranched poly(ester-amide) complex (pages 136–140)

      Xiaoming Fang, Rongguo Chen, Liren Xiao and Qinghua Chen

      Article first published online: 21 SEP 2010 | DOI: 10.1002/pi.2922

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      A novel Sm(III)–hyperbranched poly (ester-amide) complex was synthesized, and characterized using Fourier transform infrared, 13C NMR and fluorescence spectroscopy and thermogravimetric analysis. The coordination interaction and some possible bonding modes of it are discussed.

    12. Preparation of amidoximated poly(glycidyl methacrylate) microbeads (pages 141–145)

      Tuncer Caykara, Ferhat Çakar and Serkan Demirci

      Article first published online: 21 SEP 2010 | DOI: 10.1002/pi.2923

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      Poly(glycidyl methacrylate) (PGMA) microbeads, with an average size of 170 μm, were synthesized by a simple suspension polymerization of glycidyl methacrylate (GMA) and ethylene glycol dimethacrylate (EGDMA). The epoxy groups of PGMA were firstly modified with 3,3′-iminodipropionitrile and the resulting nitrile groups were then converted to amidoxime.

    13. Production, cellular structure and thermal conductivity of microcellular (methyl methacrylate)–(butyl acrylate)–(methyl methacrylate) triblock copolymers (pages 146–152)

      Jose Antonio Reglero Ruiz, Cristina Saiz-Arroyo, Michel Dumon, Miguel A Rodríguez-Perez and Leo Gonzalez

      Article first published online: 8 OCT 2010 | DOI: 10.1002/pi.2931

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      The thermal conductivity of microcellular a (methyl methacrylate)–(butyl acrylate)–(methyl methacrylate) copolymer was evaluated and correlated with structural parameters and several theoretical models.

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