Plasma Processes and Polymers

Cover image for Vol. 11 Issue 7

Online ISSN: 1612-8869

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Recently Published Articles

  1. In Situ Generation of Plasma-Polymer Standards by Plasma Assisted Free Radical Polymerization

    Thierry Fouquet, Grégory Mertz, Claude Becker, Ludivine Fetzer, Fabio Ziarelli and David Ruch

    Article first published online: 16 JUL 2014 | DOI: 10.1002/ppap.201400077

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    Intermediate polymeric materials between conventional polymers and plasma-polymers – produced via a plasma assisted free radical polymerization – were thoroughly analyzed by MS, NMR and SEC and proposed as new analytical standards.

  2. Approaches to Quantify Amine Groups in the Presence of Hydroxyl Functional Groups in Plasma Polymerized Thin Films

    Juan-Carlos Ruiz, Shima Taheri, Andrew Michelmore, David E. Robinson, Robert D. Short, Krasimir Vasilev and Renate Förch

    Article first published online: 11 JUL 2014 | DOI: 10.1002/ppap.201400016

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    New approaches towards the quantification of amine groups in the presence of hydroxyl groups are discussed and demonstrated by experiment for plasma copolymers of allylamine and octadiene before and after aging in air or water.

  3. Long, Vertically Aligned Single-Walled Carbon Nanotubes from Plasmas: Morpho-Kinetic and Alignment Controls

    Gennady Burmaka, Igor B. Denysenko, Kostya (Ken) Ostrikov, Igor Levchenko and Nikolay A. Azarenkov

    Article first published online: 8 JUL 2014 | DOI: 10.1002/ppap.201400059

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    The growth mechanism was clarified and differences between the plasma- and neutral gas-grown carbon nanotubes were explained by using an enhanced large-scale model and numerical simulation technique. The nanotubes synthesized by plasma process can be longer than those synthesized by neutral gas technique. The low-temperature growth of the nanotube array is also possible when the hydrocarbon ion flux to the nanotubes dominates over fluxes of other species.

  4. Engineering of Composite Organosilicon Thin Films with Embedded Silver Nanoparticles via Atmospheric Pressure Plasma Process for Antibacterial Activity

    Xiaolong Deng, Christophe Leys, Danijela Vujosevic, Vineta Vuksanovic, Uros Cvelbar, Nathalie De Geyter, Rino Morent and Anton Nikiforov

    Article first published online: 3 JUL 2014 | DOI: 10.1002/ppap.201400042

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    Ag nanoparticles contained nanocomposite thin films can be deposited in a single-step through an atmospheric pressure plasma process. It is shown that the morphology and stoichiometry of the thin films can be controlled by the plasma parameters and the introduced Ag nanoparticles. Further antibacterial tests indicate the effective antibacterial activity of the films against Escherichia coli and Staphylococcus aureus strains.

  5. Tribological Properties and Characterization of Diamond Like Carbon Coatings Deposited by MW/RF and RF Plasma-Enhanced CVD Method on Poly(ether-ether-ketone)

    Witold Kaczorowski, Witold Szymanski, Damian Batory and Piotr Niedzielski

    Article first published online: 2 JUL 2014 | DOI: 10.1002/ppap.201400025

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    The carbon coatings deposited by MW/RF PECVD method onto PEEK substrates allow to achieve good wear resistance. These effects are observed especially by using for modification radio frequency plasma. Results obtained from AFM, nanoindentation, XPS techniques, and tribological test are applied to estimate the influence of the plasma parameters on the properties of DLC films.