Macromolecular Materials and Engineering

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Recently Published Articles

  1. Ethylene Carbonate used as Reagent and Green Solvent in the Chemical Modification of Corncob

    Adriana Chamú-Muñoz, Oscar Hernández-Meléndez, Martín Hernández-Luna, Jorge Alcaraz-Cienfuegos, Eduardo Vivaldo-Lima and Eduardo Bárzana

    Article first published online: 1 APR 2015 | DOI: 10.1002/mame.201500001

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    Corncob is successfully esterified using ethylene carbonate as monomer and green solvent. Three reaction systems (liquid phase, LP; solid phase; and vapor phase, VP) are tested. Grafting of ethylene carbonate is confirmed by spectroscopic techniques. Grafting of ethylene carbonate onto peat moss is also carried out as reference system. The modified materials are fully characterized and show promising performance.

  2. Preparation of Porous Poly(pyrrole) Utilizing Agar Particles as Soft Template and Evaluation of Its Actuation Property

    Kentaro Obata, Shingo Tamesue, Kumi Hashimoto, Tetsu Mitsumata, Norio Tsubokawa and Takeshi Yamauchi

    Article first published online: 1 APR 2015 | DOI: 10.1002/mame.201500047

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    Porous poly(pyrrole) films are prepared by utilizing agar particles as templates. Pore size can be regulated easily by the size of agar particles, and the templates can be removed rapidly by the gel-to-sol transition of agar. Prepared porous poly(pyrrole) films exhibit improvement of mechanical strength and actuation property. Moreover, the pore induced spring-like actuation to the poly(pyrrole) films.

  3. Surface Modification of Polycarbonate Urethane with Zwitterionic Polynorbornene via Thiol-ene Click-Reaction to Facilitate Cell Growth and Proliferation

    Musammir Khan, Jing Yang, Changcan Shi, Yakai Feng, Wencheng Zhang, Katie Gibney and Gregory N. Tew

    Article first published online: 31 MAR 2015 | DOI: 10.1002/mame.201500038

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    Polycarbonate urethane surface has been modified with zwitterionic polynorbornene via photo-initiated thiol-ene click-chemistry. The hydrophilic surface shows enhanced cell adhesion and proliferation of endothelial cells. We provide a suitable platform for modification of biomaterials.

  4. Microwave-Assisted Preparation of Hydrogel-Forming Microneedle Arrays for Transdermal Drug Delivery Applications

    Eneko Larrañeta, Rebecca E. M. Lutton, Aaron J. Brady, Eva M. Vicente-Pérez, A. David Woolfson, Raghu Raj Singh Thakur and Ryan F. Donnelly

    Article first published online: 23 MAR 2015 | DOI: 10.1002/mame.201500016

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    This study shows the advantages of a microwave assisted crosslinking process for the preparation of hydrogel-forming microneedle arrays. The arrays prepared using the microwave assisted process had equivalent properties to those prepared conventionally but can be produced 30 times faster. Thus, the use of microwave radiation significantly reduces the time required for MN preparation and, in addition, microwave thermal processes are cheaper and quicker than conventional (oven) heating. Therefore, the findings in this paper are of interest for MN crosslinking applications, leading to shorter, cheaper and greener manufacturing processes.

  5. Nanomorphology of Polymer Blends for a Light-Scattering Thermosetting Plate Based on Self-Assembly

    Satoshi Takei, Yoshiyuki Yokoyama and Makoto Hanabata

    Article first published online: 23 MAR 2015 | DOI: 10.1002/mame.201500025

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    An approach using the nanomorphology of polymer blends in light-scattering thermosetting plates based on self-assembly was demonstrated without using the conventional approach of blending nanoparticles such as silica sol, zirconia sol, phosphor, or chromophore into the polymer matrix. Light-scattering was controlled by molecular weights of poly(acrylic acid).