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Structure evolution of .alpha.- and .beta.-polypropylenes upon UV irradiation: A multiscale comparison

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    SYSNO ASEP0021559
    Document TypeJ - Journal Article
    R&D Document TypeJournal Article
    Subsidiary JOstatní články
    TitleStructure evolution of .alpha.- and .beta.-polypropylenes upon UV irradiation: A multiscale comparison
    TitleStrukturní transformace polypropylenu alfa a beta vlivem ultrafialového záření. Srovnání na různých strukturních úrovních
    Author(s) Obadal, M. (CZ)
    Čermák, R. (CZ)
    Raab, Miroslav (UMCH-V)
    Verney, V. (FR)
    Commereuc, S. (FR)
    Fraisse, F. (FR)
    Source TitlePolymer Degradation and Stability. - : Elsevier - ISSN 0141-3910
    Roč. 88, č. 3 (2005), s. 532-539
    Number of pages8 s.
    Languageeng - English
    CountryNL - Netherlands
    Keywords.beta.-polypropylene ; photo-oxidation ; structure evolution
    Subject RIVJJ - Other Materials
    R&D ProjectsGA106/02/1249 GA ČR - Czech Science Foundation (CSF)
    AnnotationCommercial grade isotactic polypropylene (PP) was modified by specific .beta. nucleator. The evolution of molecular and supermolecular structure was followed by several structure-sensitive methods. Lower degradability of .beta.-PP as compared to .alpha.-PP has been acribed to higher light absorbance resulting from the specific morphology of .beta.-PP.
    WorkplaceInstitute of Macromolecular Chemistry
    ContactEva Čechová, cechova@imc.cas.cz ; Tel.: 296 809 358
    Year of Publishing2006
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