Photo-degradation and UV stability of zinc-oxide filled polypropylene random copolymer and homopolymer nanocomposites concluding to pilot line tests

Satu Pasanen, Mika Paajanen, G. Morales, O. Rodríguez-Fernández, C. Espinoza-González, I. Yañez-Flores, R. Benavides-Perez, J.-G. Bocanegra-Rojas, C.-S. Tena-Salcido, G. Deluna-Guajardo, Martinez-Martinez, L. Bellomo, A. Carfagnini, R. Battelli, F. Ferroni

    Research output: Chapter in Book/Report/Conference proceedingConference abstract in proceedingsScientific

    Abstract

    Degradation of polymeric materials is a well-known phenomenon in outdoor plastic applications. To avoid the damaging effect of the ultraviolet (UV) radiation nanosize fillers like ZnO can be utilized. Since ZnO can be considered to be photocatalytic, this activity is tried to suppress via coating of particles using various substances like silica, TiO2 and silane. Photo degradation limits the life-time of the material especially outdoor. In this work, we tested how coated nanoparticles (0.05 - 1.5 wt%) can be used as UV absorption agents in selected polypropylene matrixes. Material properties such as mechanical properties, absorption levels and chemical changes were tested before and after UV exposure. Tests were concluded with pilot scale processing tests.
    Original languageEnglish
    Title of host publicationAbstract
    Subtitle of host publicationEuro Intelligent Materials 2013
    Publication statusPublished - 2013
    MoE publication typeNot Eligible
    EventEuro Intelligent Materials 2013 - Kiel, Germany
    Duration: 25 Sep 201327 Sep 2013

    Conference

    ConferenceEuro Intelligent Materials 2013
    Country/TerritoryGermany
    CityKiel
    Period25/09/1327/09/13

    Keywords

    • nanoparticle
    • zinc oxide
    • ZnO
    • plastic
    • polypropylene
    • UV
    • stabilization
    • nanocomposite

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