Search Results - "Passiniemi, P."

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    Polyaniline/epoxy coatings with good anti-corrosion properties by Talo, A., Passiniemi, P., Forsén, O., Yläsaari, S.

    Published in Synthetic metals (15-02-1997)
    “…We have studied polyaniline/epoxy blend coatings on mild steel in 0.6 M NaCl and 0.1 M HCl aqueous solutions with electrochemical methods. The corrosion…”
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    Journal Article Conference Proceeding
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    Counter-ion induced processibility of polyaniline: Conducting melt processible polymer blends by Ikkala, O.T, Laakso, J., Väkiparta, K., Virtanen, E., Ruohonen, H., Järvinen, H., Taka, T., Passiniemi, P., Österholm, J.-E., Cao, Y., Andreatta, A., Smith, P., Heeger, A.J.

    Published in Synthetic metals (01-03-1995)
    “…Conducting polymer blends made by blending thermoplastic bulk polymers with Neste Complex, a proprietary conducting polyaniline composition, using conventional…”
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    Journal Article
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    Processible polyaniline complexes due to molecular recognition: Supramolecular structures based on hydrogen bonding and phenyl stacking by Ikkala, O.T., Pietilä, L.-O., Passiniemi, P., Vikki, T., Österholm, H., Ahjopalo, L., Österholm, J.-E.

    Published in Synthetic metals (1997)
    “…We show that sulphonic acid doped polyaniline (PANI) can be plasticized using certain low-acidic organic compounds consisting of ring structures and hydrogen…”
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    Journal Article
  4. 4

    Thermoreversible gels of acid doped polyaniline: Electrical switching based on network transitions by Vikki, T., Isotalo, H., Ruokolainen, J., Passiniemi, P., Ikkala, O.

    Published in Synthetic metals (01-05-1999)
    “…Thermoreversible gelation of polyaniline (PANI) dissolved in dodecyl benzene sulphonic acid (DBSA) is here demonstrated for systems containing ca. 7–16 wt % of…”
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    Journal Article Conference Proceeding
  5. 5

    TEM and WAXS characterization of polyaniline/PP fibers by Passiniemi, P., Laakso, J., Österholm, H., Pohl, M.

    Published in Synthetic metals (1997)
    “…PANIPOL ™/ polypropylene (PP) blends can be melt spun into conducting fibers, with a diameter of ca. 20μm. They have been characterized by TEM and WAXS. We…”
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    Journal Article Conference Proceeding
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    Conductivity tailoring of blends of fusible polyaniline and polyolefins by viscosity ratio by Tanner, J., Ikkala, O.T., Passiniemi, P., Österholm, J.-E.

    Published in Synthetic metals (1997)
    “…Several types of plasticizers allow acid doped polyaniline (PANI) to become fusible, if their specific interaction to acid doped PANI is sufficiently strong…”
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    Journal Article Conference Proceeding
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    Prospects for photovoltaics in the Central and Eastern Europe by Pietruszko, S.M., Mikolajuk, A., Fara, L., Fara, S., Vitanov, P., Stratieva, N., Rehak, J., Barinka, R., Mellikov, E., Palfy, M., Shipkovs, P., Krotkus, A., Saly, V., Nemac, F., Swens, J., Nowak, S., Zachariou, A., Fechner, H., Passiniemi, P.

    “…Photovoltaics has a great potential as a powerful renewable energy source and technology, which can be deployed into a wide range of competitive applications…”
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    Conference Proceeding
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    Electrically conductive compositions based on processible polyanilines — PANEPOL TM by Virtanen, E., Laakso, J., Ruohonen, H., Väkiparta, K., Järvinen, H., Jussila, M., Passiniemi, P., Österholm, J.-E.

    Published in Synthetic metals (1997)
    “…Truly melt- and solution processible electrically conductive polyaniline (PANI) compositions can be produced commercially utilizing the technology originally…”
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    Journal Article
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    Characterizaton of polyaniline blends with AC impedance measurements by Passiniemi, P., Väkiparta, K.

    Published in Synthetic metals (01-03-1995)
    “…Electrical conductivity of protonated polyaniline has been measured with both direct and alternating currents. According to the AC impedance diagrams solution…”
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    Journal Article
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    General theory for determination of diffusion coefficients of solvents and gases in polymers by Passiniemi, Pentti

    Published in Polymer (Guilford) (1995)
    “…A general measurement theory for determining the diffusion coefficient D of small molecules in polymer matrices is presented. This theory is applied to an…”
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    Journal Article
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    Thermoreversible Gels of Polyaniline:  Viscoelastic and Electrical Evidence on Fusible Network Structures by Vikki, Terhi, Ruokolainen, Janne, Ikkala, Olli T, Passiniemi, Pentti, Isotalo, Heikki, Torkkeli, Mika, Serimaa, Ritva

    Published in Macromolecules (14-07-1997)
    “…We demonstrate thermoreversible gelation of a conductive polymer, i.e., rubber-like melt processible electrically conducting compounds. Combination of…”
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    Journal Article
  13. 13

    Simple method for determining water diffusion coefficient in conducting polymers by Passiniemi, Pentti

    Published in Synthetic metals (01-03-1995)
    “…Water increases electrical conductivity of polyaniline. A simple method of the conductivity measurement for determining the diffusion coefficient D of water in…”
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    Journal Article
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    Molecular Recognition Solvents for Electrically Conductive Polyaniline by Vikki, Terhi, Pietilä, Lars-Olof, Österholm, Heidi, Ahjopalo, Lisbeth, Takala, Antti, Toivo, Alpo, Levon, Kalle, Passiniemi, Pentti, Ikkala, Olli

    Published in Macromolecules (08-04-1996)
    “…Due to its semirigid nature, electrically conductive polyaniline (PANI) has long been regarded as an intractable material, i.e. infusible and poorly soluble in…”
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    Journal Article
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    Electrically conductive polypropylene-polyaniline blend in ESD protection by Vakiparta, K., Kirmanen, P., Laakso, J., Passiniemi, P., Taka, T., Virtanen, E.

    “…Melt-processable conductive polyaniline (PANI) blended with polypropylene (PP) offers a new material for controlling the electrical conductivity and thus…”
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    Conference Proceeding
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    A simple method for measuring water diffusion coefficients in conducting polymers by Passiniemi, P.

    “…Summary form only given. Some conducting polymers, such as protonated polyaniline (PANI), have higher electrical conductivity in the presence of humid air than…”
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    Conference Proceeding
  18. 18

    Characterization of polyaniline - polyethylene blends with AC impedance measurements by Passiniemi, P., Vakiparta, K.

    “…Summary form only given. AC impedance spectroscopy is frequently used for revealing electrochemical kinetics of conducting polymers and for measuring ionic…”
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    Conference Proceeding
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