Polymer International

Cover image for Vol. 61 Issue 8

August 2012

Volume 61, Issue 8

Pages 1221–1352

  1. Mini-review

    1. Top of page
    2. Mini-review
    3. Research Articles
    1. Polyaldehydes: homopolymers, block copolymers and promising applications (pages 1221–1227)

      Stefan Köstler

      Version of Record online: 10 MAY 2012 | DOI: 10.1002/pi.4245

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      This minireview gives a brief overview on the polymerization of higher aldehydes, discusses current applications of certain polyaldehydes, and points toward potential future applications of these interesting materials.

  2. Research Articles

    1. Top of page
    2. Mini-review
    3. Research Articles
    1. Poly(vinylpyrrolidone) as a tool: aqueous dispersion of nanodiamonds by wrapping in the solid state (pages 1228–1233)

      Sung Ho Kim, Dipen Debnath, Woo Suk Lee and Kurt E Geckeler

      Version of Record online: 12 JUN 2012 | DOI: 10.1002/pi.4269

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      Aqueous dispersions of nanodiamonds have been prepared for the first time by polymer wrapping in the solid state for physical, chemical, electrical and biological applications.

    2. Molecular recognition: polymers comprising isomeric meta-/para-isopropylphenol and N-isopropylacrylamide and their supramolecular complexes with methylated β-cyclodextrin (pages 1234–1237)

      Sabrina Gingter, Claudia van Sloun and Helmut Ritter

      Version of Record online: 30 MAR 2012 | DOI: 10.1002/pi.4208

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      We show the recognition of poly-meric attached isomers meta-isopro-pylphenol and para-isopropylphenol by randomly methylated β-cyclo-dextrin via dynamic light scattering and turbidity measurements.

    3. Microwave-assisted synthesis and bulk polymerization of 3-aminophthalic anhydride as an AB-type monomer for the formation of linear and cyclic polyimides (pages 1238–1244)

      Julia Theis and Helmut Ritter

      Version of Record online: 30 MAR 2012 | DOI: 10.1002/pi.4210

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      3-Aminophthalic anhydride was synthesized via heterogeneous catalytic transfer hydrogenation. Microwave heating of the AB-type monomer resulted in the formation of linear and ring-shaped molecules of poly(3-phthalimide).

    4. Cellulose-click-ferrocenes as docking spots for cyclodextrin (pages 1245–1248)

      Helmut Ritter, Berit Knudsen, Beate E. Mondrzik, Robert Branscheid and Ute Kolb

      Version of Record online: 4 MAY 2012 | DOI: 10.1002/pi.4225

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      A novel synthesis of ferrocene-modified cellulose (Fc-Cell) is presented. The structure was investigated by use of electron microscopy. In addition, Rame-β-cyclodextrin was supramolecularly attached to cellulose.

    5. Poly(arylene ether)s carrying pendant (3-sulfonated) phenylsulfonyl groups (pages 1249–1255)

      Kimberly E Kern, Mohamed Abdellatif and Eric Fossum

      Version of Record online: 11 APR 2012 | DOI: 10.1002/pi.4218

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      The geometric isomer of poly(arylene ether sulfone) provides a pendant phenylsulfonyl group for introducing a sulfonic acid moiety. The pendant location afforded relatively low water uptake and excellent conductivity values.

    6. Alder-ene addition of maleic anhydride to polyisobutene: nuclear magnetic resonance evidence for an unconventional mechanism (pages 1256–1262)

      Federica Balzano, Andrea Pucci, Riccardo Rausa and Gloria Uccello-Barretta

      Version of Record online: 26 APR 2012 | DOI: 10.1002/pi.4228

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      High-resolution NMR allowed to determine the reaction products between polyisobutene and maleic anhydride and to individuate for the first time unconventional reactivity pattern of the precursors.

    7. Interdiffusion of thermoplastics and epoxy resin precursors: investigations using experimental and molecular dynamics methods (pages 1263–1271)

      David Dumont, David Seveno, Joël De Coninck, Christian Bailly, Jacques Devaux and Daniel Daoust

      Version of Record online: 30 MAR 2012 | DOI: 10.1002/pi.4201

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      A combination of experimental and molecular simulation methods demonstrates that interdiffusion between amorphous thermoplastics and epoxy resin precursors is mainly governed by monomer mobility in the swelled macromolecular chains.

    8. Diffusion and solubility of commercial poly(methyl methacrylate) denture base material modified with dimethyl itaconate and di-n-butyl itaconate during water absorption/desorption cycles (pages 1272–1278)

      Pavle Spasojević, Dragoslav Stamenković, Rada Pjanović, Nevenka Bošković-Vragolović, Jelena Dolić, Svetlana Grujić and Sava Veličković

      Version of Record online: 30 MAR 2012 | DOI: 10.1002/pi.4202

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      PMMA denture base material was modified with dimethyl itaconate and di-n-butyl itaconate. Addition of the itaconates leads to a significant reduction of residual methyl methacrylate. A linear correlation is found between Hoy's solubility parameters and maximum water absorption.

    9. Fe-mediated SET-LRP of MMA and St in the presence of air (pages 1279–1283)

      Guoxiang Wang and Mang Lu

      Version of Record online: 4 APR 2012 | DOI: 10.1002/pi.4203

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      The living of PMMA-Cl was demonstrated by chain extension experiment. GPC traces indicated extremely high initiation efficiency with the resulting copolymer possessing an essentially symmetrical unimodal molecular distribution.

    10. Tailoring the morphology and properties of poly(lactic acid)/poly(ethylene)-co-(vinyl acetate)/starch blends via reactive compatibilization (pages 1284–1293)

      Piming Ma, Denka G Hristova-Bogaerds, Pauline Schmit, Johannes G P Goossens and Piet J Lemstra

      Version of Record online: 4 APR 2012 | DOI: 10.1002/pi.4204

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      Very fine dispersion of starch (d = ∼1 µm) was obtained via an in-situ compatibilization, and EVA with starch forms a (partially) co-continuous morphology in the PLA/EVA/starch blends.

    11. PTFE–PMMA core–shell colloidal particles as building blocks for self-assembled opals: synthesis, properties and optical response (pages 1294–1301)

      Diego Antonioli, Simone Deregibus, Guido Panzarasa, Katia Sparnacci, Michele Laus, Luca Berti, Luca Frezza, Matteo Gambini, Luca Boarino, Emanuele Enrico and Davide Comoretto

      Version of Record online: 11 APR 2012 | DOI: 10.1002/pi.4206

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      A seeded surfactant-free methyl methacrylate emulsion polymerization is employed to prepare core-shell particles with predetermined size and narrow size distribution as building blocks to grow opals of excellent optical quality.

    12. A new approach for the preparation of chitosan from γ-irradiation of prawn shell: effects of radiation on the characteristics of chitosan (pages 1302–1308)

      Taslim Ur Rashid, Mohammed Mizanur Rahman, Shahriar Kabir, Sayed M Shamsuddin and Mubarak A Khan

      Version of Record online: 4 APR 2012 | DOI: 10.1002/pi.4207

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      Ionizing radiation can produce electronic excitation as well as ions and may also produce ions and free radicals in excited states. γ-Irradiation of chitosan causes crosslinking and degradation due to main-chain scission and thus its molecular weight decreases significantly and water solubility increases.

    13. Investigation of the effect of ZnO nanoparticles on the thermomechanical and microbial properties of hyperbranched polyurethane-urea hybrid composites (pages 1309–1317)

      Kishore K Jena, Ramanuj Narayan and Kothapalli V S N Raju

      Version of Record online: 11 APR 2012 | DOI: 10.1002/pi.4209

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      Hyperbranched polyurethane-urea (HBPUU)–ZnO hybrid films show good antifungal and antibacterial activity with increasing ZnO concentration. The ZnO-doped HBPUU films exhibit excellent antibacterial activity, especially for E. coli.

    14. Facile synthesis of 5,8-linked quinoline-based copolymers (pages 1318–1325)

      Manisha Tomar, Nigel T Lucas, Hun Kim, Frédéric Laquai, Klaus Müllen and Josemon Jacob

      Version of Record online: 11 APR 2012 | DOI: 10.1002/pi.4211

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      Soluble copolymers based on 5,8-linked quinoline and fluorene were synthesized in good yield via Suzuki type polycondensation reaction and are found to be blue-emitters with good thermal stability.

    15. Glass transition and cooperative rearranging regions in amorphous thermoplastic nanocomposites (pages 1326–1333)

      Antonio Greco, Riccardo Gennaro and Michele Rizzo

      Version of Record online: 11 APR 2012 | DOI: 10.1002/pi.4212

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      The addition of a lamellar nanofiller to amorphous thermoplastic matrix increases the apparent activation energy and the size of cooperatively rearranging regions in correspondence of the glass transition temperature.

    16. Morphology and mechanical property changes in compatibilized high density polyethylene/polyamide 6 nanocomposites induced by carbon nanotubes (pages 1334–1343)

      Fangming Xiang, Yonghong Wang, Yunyun Shi, Ting Huang, Chen Chen, Ya Peng and Yong Wang

      Version of Record online: 11 APR 2012 | DOI: 10.1002/pi.4213

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      The sample preparation ways influences both the selective distribution of CNTs and morphologies of PA6 particles. Consequently, CNTs exhibit reinforcement and/or toughening effects for the compatibilized HDPE/PA6 blend.

    17. Synthesis and characterization of polyimide/polyhedral oligomeric silsesquioxane nanocomposites containing quinolyl moiety (pages 1344–1352)

      Balasubramani Govindaraj, Pudupadi Sundararajan and Muthusamy Sarojadevi

      Version of Record online: 17 OCT 2011 | DOI: 10.1002/pi.3195

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      The incorporation of polyhedral oligomeric silsesquioxane in a polyimide matrix reinforces the latter as a result of the formation of an organic–inorganic hybrid network. The new material has high glass transition temperature, crosslinking density and storage modulus, and low thermal expansion and dielectric constant.

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