Polymer International

Cover image for Vol. 62 Issue 3

March 2013

Volume 62, Issue 3

Pages 335–522

  1. Perspective

    1. Top of page
    2. Perspective
    3. Mini-reviews
    4. Research Articles
    1. Ionic liquid/poly(ionic liquid)-based electrolytes for energy devices (pages 335–337)

      Bo Qiu, Bencai Lin and Feng Yan

      Version of Record online: 21 JAN 2013 | DOI: 10.1002/pi.4454

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      This perspective article highlights the applications of ionic liquid- or poly(ionic liquid)-based electrolytes in fuel cells, dye-sensitized solar cells and supercapacitors.

  2. Mini-reviews

    1. Top of page
    2. Perspective
    3. Mini-reviews
    4. Research Articles
    1. Cellulose derivatives and graft copolymers as blocks for functional materials (pages 338–344)

      Hongliang Kang, Ruigang Liu and Yong Huang

      Version of Record online: 28 JAN 2013 | DOI: 10.1002/pi.4455

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      This review gives a brief overview of the recent progress in the synthesis of cellulose derivatives, discusses some functional materials fabricated with cellulosic blocks and points out potential future research and applications in this field.

    2. Chemical functionalization strategies for carbon dioxide capture in microporous organic polymers (pages 345–352)

      Robert Dawson, Andrew I Cooper and Dave J Adams

      Version of Record online: 3 JAN 2013 | DOI: 10.1002/pi.4407

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      A brief overview is given of the design and use of microporous polymers for pre- and post-combustion capture processes.

  3. Research Articles

    1. Top of page
    2. Perspective
    3. Mini-reviews
    4. Research Articles
    1. Tyrosinase-mediated in situ forming hydrogels from biodegradable chondroitin sulfate–tyramine conjugates (pages 353–361)

      Rong Jin, Bo Lou and Chao Lin

      Version of Record online: 29 JUN 2012 | DOI: 10.1002/pi.4306

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      Tyrosinase-mediated crosslinking of chondroitin sulfate-tyramine (CS-TA) conjugates was successfully applied in the preparation of biodegradable in-situ forming hydrogels under physiological conditions.

    2. Studies of new oligomer–metal complexes and their antibacterial activities (pages 362–374)

      Raja S Azarudeen and Abdul R Burkanudeen

      Version of Record online: 3 AUG 2012 | DOI: 10.1002/pi.4310

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      A novel oligomeric ligand and its complexes with various metals have been synthesized and characterized. The ligand and its metal complexes possess good thermal stability. The ligand and its complexes may be useful as antibacterial agents.

    3. Polymer electrolyte membranes composed of an electrospun poly(vinylidene fluoride) fibrous mat in a poly(4-vinylpyridine) matrix (pages 375–381)

      Changwoon Nah, Kwang-Un Jeong, Youn-Sik Lee, Soo-Hyoung Lee, Mohamed Mustafa Abdul Kader, Hong Ki Lee and Jou-Hyeon Ahn

      Version of Record online: 10 JUL 2012 | DOI: 10.1002/pi.4311

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      SEM images show electrospun poly(vinylidene fluoride) (PVDF) and PVDF/poly(4-vinylpyridine) (P4VP) mats under dry and electrolyte-swollen conditions. The introduction of P4VP into the PVDF mat improves the mechanical stability under wet conditions and ionic conductivity marginally.

    4. Effect of crosslink density on the refractive index of a polysiloxane network based on 2,4,6,8-tetramethyl-2,4,6, 8-tetravinylcyclotetrasiloxane (pages 382–389)

      Looi Yien Tyng, Mohamad Riduwan Ramli, Muhammad Bisyrul Hafi Othman, Rafiza Ramli, Zainal Arifin Mohd Ishak and Zulkifli Ahmad

      Version of Record online: 17 JUL 2012 | DOI: 10.1002/pi.4315

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      Effect of cross-link density of polysiloxane on refractive index was elucidated. Lorentz-Lorentz model were used to quantify this relationship.

    5. Synthesis and properties of a novel hyperbranched polyphosphoramidate using an A2 + CB2 approach (pages 390–396)

      Yuhong Liu, Ni Yan, Feng Li and Ping Chen

      Version of Record online: 3 AUG 2012 | DOI: 10.1002/pi.4318

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      A novel water-soluble hyperbranched polyphosphoramidate with fluorescence and degradation properties has been successfully synthesized by the readily available monomers of ethyldichlorophosphate and diethanolamine.

    6. Rheological study of gel phenomena during epoxide network formation in the presence of sepiolite (pages 397–405)

      Andrés Nohales, Daniel López, Mario Culebras and Clara M Gómez

      Version of Record online: 27 JUL 2012 | DOI: 10.1002/pi.4321

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      The influence of unmodified and organically modified sepiolite on the gelation process of an epoxy resin cured with an aliphatic and an aromatic diamine was studied using rheological multiple frequency experiments.

    7. Controlling porous properties of polymer monoliths synthesized by photoinitiated polymerization (pages 406–410)

      Suzhu Yu, Khin Cho Cho Ma, Aye Aye Mon, Fern Lan Ng and Yen Yong Ng

      Version of Record online: 5 NOV 2012 | DOI: 10.1002/pi.4322

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      Porous monoliths, prepared by photoinitiated polymerization, have a narrow pore size distribution and median pore size from a few nanometres to a few micrometres depending on the composition of the starting solution.

    8. Facile synthesis of processable aromatic polyamides containing thioether units (pages 411–418)

      Guangshun Huang, Suixin Zhang, Dongsheng Li, Meilin Zhang, Gang Zhang and Jie Yang

      Version of Record online: 3 AUG 2012 | DOI: 10.1002/pi.4324

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      Polyamides containing thioether units have excellent thermal properties and a wide processing window for melt processing, which means they are a promising type of heat-resistant and processable engineering plastic.

    9. The investigation of novel non-metallocene catalysts with phenoxy-imine ligands for ethylene (co-)polymerization (pages 419–426)

      Xinli Zhang, Zhi Liu, Jianjun Yi, Haibing Huang, Xiuli Dou, Hongpeng Zhen, Qigu Huang, Kejing Gao, Mingge Zhang and Wantai Yang

      Version of Record online: 28 AUG 2012 | DOI: 10.1002/pi.4326

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      Novel non-metallocene catalysts with phenoxy-imine ligand, using MAO as cocatalyst, were utilized for (co-)polymerization of ethylene with 1-hexene. High catalytic activity, high molecular weight and high 1-hexene incorporation are exhibited.

    10. Formation of a tunable starch-based network by in situ incorporation of mercapto groups and a subsequent thiol-ene click reaction (pages 427–431)

      Li Huang and Congming Xiao

      Version of Record online: 20 AUG 2012 | DOI: 10.1002/pi.4327

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      Starch-based hydrogel composed of well-defined PVA was prepared by cross-linking unsaturated macromonomers in the presence of H2S. Such a strategy is also useful for dealing with H2

    11. The influence of surface modification on the structure and properties of a zinc oxide-filled poly(ethylene terephthalate) (pages 432–438)

      Wei Gao, Bing Zhou, Yanhua Liu, Xiaoyu Ma, Yan Liu, Zichen Wang and Yanchao Zhu

      Version of Record online: 28 AUG 2012 | DOI: 10.1002/pi.4328

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      Compared to the nanocomposite filled with unmodified ZnO, a significant improvement in thermal stability and crystallinity was observed with the addition of 2 wt% surface-treated ZnO.

    12. Morphology and properties of polymer/organoclay nanocomposites based on poly(ethylene terephthalate) and sulfopolyester blends (pages 439–448)

      Abbas Ghanbari, Marie-Claude Heuzey, Pierre J Carreau and Minh-Tan Ton-That

      Version of Record online: 21 NOV 2012 | DOI: 10.1002/pi.4331

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      The effect of a sulfopolyester (poly(ethylene terephthalate) (PET) ionomer or PETi) on the properties of PET/clay nanocomposites was investigated. It was found that nanoclay particles have greater affinity for the PETi phase.

    13. The glass transition temperature of poly(phenylene sulfide) with various crystallinities (pages 449–453)

      Ri-Chao Zhang, Rong Li, Ai Lu, Zhijiang Jin, Baoqing Liu and Zhongbin Xu

      Version of Record online: 4 DEC 2012 | DOI: 10.1002/pi.4333

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      The dependence of loss tangent on temperature shows that three dissipation peaks of poly(phenylene sulfide) (PPS) result from the motion of amorphous chains, crystalline chains and restricted amorphous chains, respectively.

    14. Synthesis and characterization of α-amino acid-containing polyester: poly[(ε-caprolactone)-co-(serine lactone)] (pages 454–462)

      Ying Wei, Xiaoyuan Li, Xiabin Jing, Xuesi Chen and Yubin Huang

      Version of Record online: 7 AUG 2012 | DOI: 10.1002/pi.4334

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      ε-Caprolactone (CL) and N-trityl-L-serine-β-lactone (TSL) underwent ring-opening copolymerization to give a new kind of polyester (P(CL-co-TSL)). With the removal of trityl groups, a polyester with randomly distributed lateral amino groups was obtained (P(CL-co-SL)) for further PCL functionalization.

    15. Synthesis, characterization and thermal degradation of dual temperature- and pH-sensitive RAFT-made copolymers of N,N-(dimethylamino)ethyl methacrylate and methyl methacrylate (pages 463–473)

      Saswati Ghosh Roy, Kamal Bauri, Sunirmal Pal, Ankur Goswami, Giridhar Madras and Priyadarsi De

      Version of Record online: 6 SEP 2012 | DOI: 10.1002/pi.4335

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      A series of dual temperature- and pH-responsive copolymers based on N,N-(dimethylamino)ethyl methacrylate and methyl methacrylate were synthesized and characterized. Their thermal properties and solution behaviour were also investigated.

    16. Oxygen permeability, electron spin resonance, differential scanning calorimetry and positron annihilation lifetime spectroscopy studies of uniaxially deformed linear low-density polyethylene film (pages 474–481)

      Damir Klepac, Mario Ščetar, Mia Kurek, Peter E. Mallon, Adriaan S. Luyt, Kata Galić and Srećko Valić

      Version of Record online: 28 AUG 2012 | DOI: 10.1002/pi.4338

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      Mechanical deformation of polyethylene film reduces the mobility of chain segments causing a decrease in the oxygen permeability and diffusion coefficients.

    17. Synthesis of photoaddressable polymeric networks having azobenzene moieties and alkyl-chain-containing compounds (pages 482–491)

      Antonela B Orofino, María J Galante and Patricia A Oyanguren

      Version of Record online: 6 SEP 2012 | DOI: 10.1002/pi.4340

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      The synthesized polymers are characterized by variable optical response according to the alkyl containing compounds are covalently bonded to network precursors or not.

    18. Synthesis, characterization and cytotoxicity of novel modified poly[(maleic anhydride)- co-(vinyl acetate)]/noradrenaline conjugate (pages 492–500)

      Gulderen Karakus, Zubeyde Akin Polat, Ali Fazil Yenidunya, Haci Bayram Zengin and Can Bulent Karakus

      Version of Record online: 6 SEP 2012 | DOI: 10.1002/pi.4341

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      A novel copolymer-conjugate, poly (maleic anhydride-co-vinyl acetate)-noradrenaline, which is non-toxic to L929 cells and the conjugate appears to have a steady release profile in phosphate buffer saline at 37 °C.

    19. Dielectric and electromechanical studies of plasticized poly(vinyl chloride) fabricated from plastisol (pages 501–506)

      Mohammad Ali, Takamitsu Ueki, Toshihiro Hirai, Takaaki Sato and Tamotsu Sato

      Version of Record online: 1 FEB 2013 | DOI: 10.1002/pi.4343

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      A poly(vinyl chloride) (PVC) gel made from plastisol has potential for use in electroactive smart materials as the gel exhibited a large dielectric constant, excellent mechanical properties and electrostatic force to an anode.

    20. Preparation of O-diallylammonium chitosan with antibacterial activity and cytocompatibility (pages 507–514)

      Chi-Hsiung Jou, Ming-Chien Yang, Maw-Cherng Suen, Chien-Kuo Yen, Chia-Chun Hung and Mou-Chuan Hwang

      Version of Record online: 28 SEP 2012 | DOI: 10.1002/pi.4368

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      Synthesis of chitosan derivative (O-MDAACS) with quaternary ammonium groups by reacting with methyl diallylammonium salt. The derivative exhibited higher antibacterial activity and no cytotoxicity against L929 fibroblasts.

    21. Comparative study of silicon-containing cycloaliphatic epoxides between different chemical structures and curing mechanisms for potential light-emitting diode encapsulation applications (pages 512–522)

      Wanshuang Liu and Zhonggang Wang

      Version of Record online: 19 OCT 2012 | DOI: 10.1002/pi.4371

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      Novel silicon-containing cycloaliphatic epoxides were synthesized and cured using two different methods. The products possess excellent transparency, high glass transition temperature and good thermal stability, exhibiting promising potential for light-emitting diode encapsulation.