Macromolecular Materials and Engineering

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Recently Published Articles

  1. Flow-Induced Coalescence in Polydisperse Systems

    Ivan Fortelný and Josef Jůza

    Article first published online: 17 APR 2014 | DOI: 10.1002/mame.201400050

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    The theory of coalescence in polymer blends containing droplets polydisperse in size is derived. The dependence of coalescence efficiency on average droplet radius differs strongly from that for monodisperse systems commonly used for interpretation of experiments. It has a strong impact on description of the phase structure evolution in flowing polymer blends.

  2. Effect of Particle Size and Shape on the Reinforcing Efficiency of Nanoparticles in Polymer Nanocomposites

    Hojjat Mahi Hassanabadi and Denis Rodrigue

    Article first published online: 17 APR 2014 | DOI: 10.1002/mame.201300442

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    By rheological and mechanical analyses, the effect of five different nanoparticles, including clay nanocrystalline cellulose, multiwall carbon nanotube, talc, and CaCO3, on polymer dynamics in the melt and solid state is investigated. Furthermore, considering their effect on rheological and mechanical properties, the particles are compared based on a cost-to-performance ratio.

  3. Toward In Situ Compatibilization of Polyolefin Ternary Blends through Morphological Manipulations

    Reza Khalili, Seyed Hassan Jafari, Mohammad Reza Saeb, Hossein Ali Khonakdar, Udo Wagenknecht and Gert Heinrich

    Article first published online: 14 APR 2014 | DOI: 10.1002/mame.201300452

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    The compatibilizing action of PP and HDPE constituents in their corresponding 75/(25) ternary blends with PA6 is evaluated by varying the type of continuous phase and weight fraction in minority phase. Tensile and impact properties are traced to infer morphological transitions from partial encapsulation to matrix/shell/core type morphology.

  4. Intumescent Nanocoating Extinguishes Flame on Fabric Using Aqueous Polyelectrolyte Complex Deposited in Single Step

    Amanda A. Cain, Shannon Murray, Kevin M. Holder, Craig R. Nolen and Jaime C. Grunlan

    Article first published online: 14 APR 2014 | DOI: 10.1002/mame.201400022

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    A novel aqueous polyelectrolyte coacervate is investigated as a means to quickly deposit flame-retardant nanocoatings on textiles in a single step. A 10-minute soak produces a 23 wt% nanocoating that self-extinguishes during a vertical burn test. This OnePot concept provides a powerful new framework for imparting flame resistance to textiles in an efficient and environmentally benign manner.

  5. Rheology, Electrical Properties, and Percolation of TRGO-Filled EVA-Copolymers

    Karl-Friedrich Ratzsch, Volkan Cecen, Folke Tölle, Karen-Alessa Wartig, Ralf Thomann, Rolf Mülhaupt and Christian Friedrich

    Article first published online: 7 APR 2014 | DOI: 10.1002/mame.201300440

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    Graphene nanocomposites are a new and promising class of filled polymeric materials. This article investigates the dispersion and percolation of thermally reduced graphite oxide (TRGO) introduced via melt mixing, for ethylene vinylacetate (EVA) matrices with different polarity.