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56.908 Aktuelle Fachpublikationen von john-wiley-sons

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Effect of ultrasound on the processability and mechanical properties of poly(butylene terephthalate)/talc composites

15.11.2011 | Liangqiang Wei; Jiang Li; Shaoyun Guo; Minqi Xin; Ye Tian; Fan Zhang, Journal of Applied Polymer Science, 2011

Abstract Poly(butylene terephthalate) (PBT)/talc composites were prepared through a single‐screw extruder in the absence or presence of ultrasonic irradiation. A special exit die, which could be regarded as a capillary, was attached to the extruder to measure the effect of ultrasound on the ...

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Thermal and mechanical behavior of unsaturated polyester [derived from poly(ethylene terephthalate) waste] and montmorillonite‐filled nanocomposites synthesized by in situ polymerization

15.11.2011 | Sunain Katoch; P. P. Kundu, Journal of Applied Polymer Science, 2011

Abstract Postconsumer poly(ethylene terephthalate) waste bottles were glycolyzed as precursors of unsaturated polyester resin (UPR) and their montmorillonite (MMT)‐filled nanocomposites. The glycolysis product (hydroxyl‐terminated oligomers) was converted into UPR with various acid contents. ...

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Seasonal and clonal variations in technological and thermal properties of raw Hevea natural rubber

15.11.2011 | Patrini Danielle Galiani; Maria Alice Martins; Paulo de Souza Gonçalves; Colleen Marie McMahan; Luiz Henrique Cappar ..., Journal of Applied Polymer Science, 2011

Abstract This study was undertaken over a 10‐month period under environmental conditions within the state of Mato Grosso, Brazil, to evaluate the causes of variation in the technological and thermal properties of raw natural rubber (NR) from different clones of Hevea brasiliensis (GT 1, PR 255, ...

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Impact damage sensing in glass fiber reinforced composites based on carbon nanotubes by electrical resistance measurements

15.11.2011 | Marco Monti; Maurizio Natali; Roberto Petrucci; José M. Kenny; Luigi Torre, Journal of Applied Polymer Science, 2011

Abstract In this article, we report an interesting employment of multi‐walled carbon nanotubes as a filler in the epoxy matrix of a glass fiber reinforced composite (FRP). The intrinsic electrical conductivity of carbon nanotubes made the development of a nanocomposite with enhanced electrical ...

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Modification of maleic anhydride–styrene copolymer with noradrenaline by chemical and enzymatic methods

15.11.2011 | Gulderen Karakus; Ali Fazil Yenidunya; Haci Bayram Zengin; Zubeyde Akin Polat, Journal of Applied Polymer Science, 2011

Abstract Maleic anhydride copolymer was modified with another biologically active agent, noradrenaline (NA), using both chemical and enzymatic methods. The modification and synthesized products were named as follows: chemical modification, MASTNAc; enzymatic modification, MASTNAe; enzymatically ...

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Modeling of nonisothermal film blowing process for non‐Newtonian fluids by using variational principles

15.11.2011 | Roman Kolarik; Martin Zatloukal, Journal of Applied Polymer Science, 2011

Abstract In this work, nonisothermal film blowing process analysis for non‐Newtonian polymer melts has been performed theoretically by using minimum energy approach and the obtained predictions were compared with both, theoretical and experimental data (internal bubble pressure, take‐up force, ...

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A compatibilized composite of recycled polypropylene filled with cellulosic fiber from recycled corrugated paper board: Mechanical properties, morphology, and thermal behavior

15.11.2011 | Zhidan Lin; Chao Chen; Zixian Guan; Shaozao Tan; Xiuju Zhang, Journal of Applied Polymer Science, 2011

Abstract This article deals with the feasibility of using recycled corrugated paper board (rPF) as the reinforcing material for recycled plastics. The composites of recycled polypropylene (rPP) and rPF were prepared by extrusion compounding and injection molding, and the rPP/rPF composites ...

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Low formaldehyde emission particleboard panels realized through a new acrylic binder

15.11.2011 | Paola Amazio; Maurizio Avella; Maria Emanuela Errico; Gennaro Gentile; Francesco Balducci; Alessio Gnaccarini; Julia ..., Journal of Applied Polymer Science, 2011

Abstract The effectiveness of acrylic resins as low formaldehyde emission binders for particleboard production was explored. In particular, a multifunctional methacrylic monomer, ethoxylated bisphenol A dimethacrylate, classified as nonskin and eyes irritant, was selected and tested. In ...

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Improvement in impact‐, tensile‐, and dynamic properties of injection molded wheat‐pulp‐polypropylene composites through fiber finishing

15.11.2011 | Eva Sykacek; Bogdan Grzeskowiak; Gerwig Edlhofer; Norbert Mundigler, Journal of Applied Polymer Science, 2011

Abstract This study was focused on the improvement of mechanical properties of injection molded wheat‐pulp polypropylene (PP) composites through fiber surface modifications. Ten different sizing and finishing agents, including fats, starch derivatives, and polysiloxanes were used as surfactants ...

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CO2/N2 separation ability and structural characteristics of poly(butadiene‐co‐acrylonitrile)‐based polyurethanes and hydrogenated nitrile rubbers

15.11.2011 | Aleksandra Wolińska‐Grabczyk; Andrzej Jankowski, Journal of Applied Polymer Science, 2011

Abstract Two families of rubbery polymers, commercial hydrogenated nitrile rubbers and synthesized poly(acrylonitrile‐co‐butadiene)‐based polyurethanes with different amount of nitrile groups were studied as CO2 selective membrane materials. The polymers were characterized by the techniques of ...

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