Polymer International

Cover image for Vol. 61 Issue 10

October 2012

Volume 61, Issue 10

Pages 1485–1592

  1. Mini-review

    1. Top of page
    2. Mini-review
    3. Research Articles
    4. Erratum
    1. A perspective on emerging polymer technologies for bisphenol-A replacement (pages 1485–1491)

      Ashley M Nelson and Timothy E Long

      Article first published online: 3 AUG 2012 | DOI: 10.1002/pi.4323

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      This mini-review focuses on the global efforts to replace bisphenol-A in commodity polymers, specifically highlighting polycarbonates, polyesters, epoxies and polyimides.

  2. Research Articles

    1. Top of page
    2. Mini-review
    3. Research Articles
    4. Erratum
    1. Synthesis of polylactide-based thermoset resin and its curing kinetics (pages 1492–1502)

      ShaoKun Chang, Chao Zeng, Jianbo Li and Jie Ren

      Article first published online: 10 MAY 2012 | DOI: 10.1002/pi.4233

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      The curing process of a star-shaped oligomer shows a dependence on the arm length as indicated by the change of various kinetic parameters, reaction orders and evolutions of activation energy.

    2. Synthesis of highly soluble and transparent polyimides (pages 1503–1509)

      Xiaohua Huang, Wei Huang, Jinyao Liu, Lili Meng and Deyue Yan

      Article first published online: 2 MAY 2012 | DOI: 10.1002/pi.4235

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      A series of highly soluble and transparent aromatic polyimides were synthesized from a novel diamine 3,3′-diisopropyl-4,4′-diaminophenyl-4″-methyltoluene with 4-methyl-phenyl and isopropyl pendant groups, and various dianhydrides.

    3. Polymerization kinetics and thermal properties of poly(alkyl methacrylate)/organomodified montmorillonite nanocomposites (pages 1510–1518)

      Dimitris S Achilias, Panoraia Siafaka and Alexandros K Nikolaidis

      Article first published online: 2 MAY 2012 | DOI: 10.1002/pi.4238

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      Various nanocomposites based on poly(ethyl methacrylate) or poly(butyl methacrylate) and organomodified montmorillonite were synthesized and the polymerization kinetics was studied together with thermal properties.

    4. Antimicrobial activity of organic photosensitizers embedded in electrospun nylon 6 nanofibers (pages 1519–1524)

      Ki Sub Lim, Kyung Wha Oh and Seong Hun Kim

      Article first published online: 10 MAY 2012 | DOI: 10.1002/pi.4239

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      Organic photosensitizers were evenly distributed in electrospun nylon 6 nanofibers. 4,4′-Bis(dimethylamino)benzophenone (MK) provided excellent antimicrobial properties by generating ketyl radicals after UV irradiation without significant reduction of crystallinity.

    5. Controllable ring-opening polymerization of trimethylene carbonate catalyzed by aliphatic tertiary amines in the presence of benzyl alcohol or F127 (pages 1525–1531)

      Yan Mingfa, Wang Tao, Qiang Na, Huang Yongkai and Quan Daping

      Article first published online: 2 MAY 2012 | DOI: 10.1002/pi.4240

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      The ring-opening polymerization of trimethylene carbonate was catalyzed by aliphatic tertiary amines in the presence of alcohol initiator, with an alcohol-activating mechanism. The resulting product exhibited living and controllable polymerization characteristics.

    6. Investigation of polymerization of benzoxazines and thermal degradation characteristics of polybenzoxazines via direct pyrolysis mass spectrometry (pages 1532–1541)

      Shahla Bagheri Fam, Tamer Uyar, Hatsuo Ishida and Jale Hacaloglu

      Article first published online: 10 MAY 2012 | DOI: 10.1002/pi.4241

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      Polymerization and thermal degradation mechanisms of polybenzoxazines based on methylamine or aniline were investigated using direct pyrolysis mass spectrometry.

    7. Kenaf-filled biodegradable composites: rheological and mechanical behaviour (pages 1542–1548)

      Giada Lo Re, Marco Morreale, Roberto Scaffaro and Francesco Paolo La Mantia

      Article first published online: 23 MAY 2012 | DOI: 10.1002/pi.4243

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      Biodegradable composites filled with wood flour or kenaf fibers were prepared, finding significant differences in terms of rheological properties and mechanical performance, mainly due to different behaviour at microscopic level.

    8. Electrospinning pure protein solutions in core–shell fibers (pages 1549–1555)

      Sandeep Kumar Tiwari and Subbu Venkatraman

      Article first published online: 10 MAY 2012 | DOI: 10.1002/pi.4246

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      High amounts of proteins can be electrospun in core-shell fibers without any additive polymer with the protein core, showing controlled release and retention of significant activity.

    9. Aliphatic–aromatic polyester–polyaniline composites: preparation, characterization, antibacterial activity and conducting properties (pages 1556–1563)

      Chin-San Wu

      Article first published online: 31 MAY 2012 | DOI: 10.1002/pi.4247

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      The current study demonstrates an enhancement in the compatibility between aliphatic-co-aromatic copolyester composites and polyaniline with consequent improvements in antibacterial activity, electrical conductivity, and anti-static efficiency.

    10. Synthesis and characterization of Ti(Tbse)2 and its application as a catalyst for ROP of rac-Lactide (pages 1564–1574)

      Chengbo Hu, Yuanliang Wang, Hongzhao Xiang, Ya Fu, Chunhua Fu, Jiaoxia Sun, Yan Xiang, Changshun Ruan and Xiang Li

      Article first published online: 31 MAY 2012 | DOI: 10.1002/pi.4248

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      The crystal structure of Ti(Tbse)2 complex showed that the titanium ion was bonded with two 3,5-di-tert-butylsalicylaldehyde-co-ethanolamine ligands (Tbse ligands) in O, N, O-tridentate mode. The Ti(Tbse)2 complex could efficiently catalyze the ring-opening polymerization (ROP) of rac-lactide and showed a well-controlled manner.

    11. In situ synthesis of polybutene-1/polypropylene spherical alloys within a reactor with an MgCl2-supported Ziegler–Natta catalyst (pages 1575–1581)

      Aihua He, Weiping Zheng, Yangwei Shi, Guoqing Liu, Wei Yao and Baochen Huang

      Article first published online: 28 MAY 2012 | DOI: 10.1002/pi.4250

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      Polybutene-1 (PB) spherical alloys within reactor were prepared by MgCl2-supported Ziegler-Natta catalyst with sequential two-stage polymerization technology. The bulk percipitation polymerization process has been applied in the PB synthesis successfully.

    12. Insulating polyimide films containing n-type perylenediimide moieties (pages 1582–1591)

      Mariana-Dana Damaceanu, Radu-Dan Rusu, Valentina-Elena Musteata and Maria Bruma

      Article first published online: 16 MAY 2012 | DOI: 10.1002/pi.4253

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      A dielectric spectroscopy investigation of oxadiazole-containing polyperyleneimide flexible films proved their insulating behaviour, with γ and β subglass relaxations at low activation energies and electronic conduction through a hopping mechanism.

  3. Erratum

    1. Top of page
    2. Mini-review
    3. Research Articles
    4. Erratum
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