Morphology-mechanical property relations in syndiotactic polypropylene (sPP) fibers

J. Loos, T. Schimanski

    Research output: Contribution to journalArticleAcademicpeer-review

    33 Citations (Scopus)

    Abstract

    Mechanical properties of melt-spun syndiotactic polypropylene single filament fibers were studied in relation to their formation conditions. Depending on the processing parameters, fibers with rubber-elastic properties can be prepared. Dynarmc mechanical studies show almost unchanged rubber-elastic properties after 1000 test cycles. A model of the fiber morphology is introduced to explain the rubberelastic behavior: small micel-like crystals containing molecules in the planar alltrans conformation act as physical crosslinks in the amorphous matrix.
    Original languageEnglish
    Pages (from-to)567-572
    Number of pages5
    JournalPolymer Engineering and Science
    Volume40
    Issue number3
    DOIs
    Publication statusPublished - 2000

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