Polymer International

Cover image for Vol. 59 Issue 11

Special Issue: Dedicated to François Schué

November 2010

Volume 59, Issue 11

Pages 1451–1562

  1. Editorials

    1. Top of page
    2. Editorials
    3. Reviews
    4. Research Articles
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  2. Reviews

    1. Top of page
    2. Editorials
    3. Reviews
    4. Research Articles
    1. Conjugated rod–coil block copolymers and optoelectronic applications (pages 1452–1476)

      Anne de Cuendias, Roger C Hiorns, Eric Cloutet, Laurence Vignau and Henri Cramail

      Article first published online: 8 OCT 2010 | DOI: 10.1002/pi.2915

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      This review gives a simple introduction to the electronic, optical and structural behaviour of rod-coil block copolymers in which the rod block is a conjugated polymer.

  3. Research Articles

    1. Top of page
    2. Editorials
    3. Reviews
    4. Research Articles
    1. Cooperative, bottom-up generation of rigid-rod nanostructures through dynamic polymer chemistry (pages 1477–1491)

      J Frantz Folmer-Andersen, Eric Buhler, Sauveur-Jean Candau, Sebastien Joulie, Marc Schmutz and Jean-Marie Lehn

      Article first published online: 3 JUN 2010 | DOI: 10.1002/pi.2864

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      Reversible polycondensation of amphiphilic di(aldehyde) and di(acylhydrazine) monomers in water gives polyacylhydrazones, which fold into rod-like nanostructures. Resistance to molecular weight degradation indicates that the process is highly cooperative.

    2. Plasma-modified halloysite nanocomposites: effect of plasma modification on the structure and dynamic mechanical properties of halloysite–polystyrene nanocomposites (pages 1492–1498)

      Mohtashim H Shamsi, Mohammad Luqman, Fevzihan Basarir, Joon-Seop Kim, Tae-Ho Yoon and Kurt E Geckeler

      Article first published online: 8 OCT 2010 | DOI: 10.1002/pi.2946

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      Improvement of the dynamic mechanical properties of halloysite (HNT)-polystyrene (PS) nanocomposites by surface modification of halloysite nanotubes through plasma polymerization (p-HNT).

    3. Structure and rheology of polypropylene with various architectures prepared by coagent-assisted radical processing (pages 1499–1505)

      Sylvain Augier, Serena Coiai, Elisa Passaglia, Francesco Ciardelli, Fabio Zulli, Laura Andreozzi and Marco Giordano

      Article first published online: 8 OCT 2010 | DOI: 10.1002/pi.2942

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      Polypropylene (PP) samples modified with butyl-3-(2-furyl) propenoate (BFA) and its mixture with maleic anhydride (MAH) were examined and macromolecular structure changes related to their rheological behaviour were investigated.

    4. Polymerization of ε-caprolactone on calcium alkoxide-functionalized silica substrates (pages 1506–1513)

      Javaid H Khan, Francois Schue and Graeme A George

      Article first published online: 16 AUG 2010 | DOI: 10.1002/pi.2903

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      Biodegradable composite materials free from toxic initiator residues have been prepared by synthesizing polycaprolactone using the reaction of calcium hydride with activated silica which is functionalized with a hydrolysed epoxy silane.

    5. Enhanced efficiency of polymeric solar cells via alignment of carbon nanotubes (pages 1514–1519)

      Roshanak Radbeh, Emilien Parbaile, Mohamad Chakaroun, Bernard Ratier, Matt Aldissi and André Moliton

      Article first published online: 13 SEP 2010 | DOI: 10.1002/pi.2916

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      Carbon nanotubes (CNTs) incorporated into polymer solar cells based on a poly(3-hexylthiophene)–([6,6]-phenyl C61 butyric acid methyl ester) (P3HT–PCBM) composite and properly oriented by an electric field perpendicular to the electrodes induce a significant increase in solar cell efficiency.

    6. Magnetization-prepared NMR imaging of water penetration into poly(vinyl alcohol)–poly(N-vinyl-2-pyrrolidone) hydrogels (pages 1520–1525)

      Zainuddin, Ekaterina V Strounina, David JT Hill and Andrew K Whittaker

      Article first published online: 21 MAY 2010 | DOI: 10.1002/pi.2860

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      The diffusion of water into poly(vinyl alcohol)-poly(N-vinyl-2-pyrrolidone) hydrogels was examined using magnetization-prepared NMR imaging, which enabled construction of T2 maps and subsequently instantaneous water concentration profiles.

    7. Efficient formation of stereocomplexes of poly(L-lactide) and poly(D-lactide) by terminal Diels–Alder coupling (pages 1526–1530)

      Kazunari Masutani, Seiji Kawabata, Takashi Aoki and Yoshiharu Kimura

      Article first published online: 8 OCT 2010 | DOI: 10.1002/pi.2945

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      Poly(L-lactide) (PLLA) and poly(D-lactide) (PDLA) having anthracene (A) and maleimide (M) terminals were prepared and mixed together to induce terminal Diels-Alder reaction providing a PLLA-PDLA diblock copolymer.

    8. Relationship between the molecular structure of alginates and their gelation in acidic conditions (pages 1531–1541)

      Hanta Andriamanantoanina and Marguerite Rinaudo

      Article first published online: 8 OCT 2010 | DOI: 10.1002/pi.2943

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      At pH lower than 3.0, alginates form physical gels indicating the essential role of GG blocks (where G is α-L-guluronic acid). The degrees of swelling of acid gels are lower than those of corresponding calcium gels due to electrostatic charge screening and probably hydrogen bond interactions involving also mannuronic acid units.

    9. Divalent metal-ion distribution around linear polyelectrolyte chains by continuous diafiltration: comparison of counterion condensation cell models (pages 1542–1549)

      Manuel S Palencia, Bernabé L Rivas and Eduardo D Pereira

      Article first published online: 26 JUL 2010 | DOI: 10.1002/pi.2904

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      Good correspondence between experimental values of retention and those of a two-zone model combined with Donnan equilibria was obtained, permitting the description of counterion distribution through discrete fractions in three different zones.

    10. Modification of acrylonitrile/acrylic acid copolymer films and fibers by dendrigraft formation (pages 1550–1557)

      Somaye Akbari, Mohammad H Kish and Ali A Entezami

      Article first published online: 21 MAY 2010 | DOI: 10.1002/pi.2854

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      The properties of acrylonitrile/acrylic acid copolymer films and fibers were modified by the formation of dendritic structures on the surfaces. The percentage conversion increases with increasing specific surface area of the samples.

    11. Melt electrospinning of polycaprolactone and its blends with poly(ethylene glycol) (pages 1558–1562)

      Nicola Detta, Toby D Brown, Fredrik K Edin, Krystyna Albrecht, Federica Chiellini, Emo Chiellini, Paul D Dalton and Dietmar W Hutmacher

      Article first published online: 19 OCT 2010 | DOI: 10.1002/pi.2954

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      In the study reported, we melt electrospun blends of poly(e-caprolactone) (PCL) and an amphip. Iblock copolymer consisting of poly(ethylene glycol) and pel segments (PEG-block-PCl).

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