A time-integrated estimate of the entanglement mass in polymer melts in agreement with the one determined by time-resolved measurements

J.T. Padding, W.J. Briels

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    Abstract

    A time-integrated entanglement mass in polymer melts was determined from various measurable quantities. Taking the critical mass as a definition of the 'reptational' entanglement mass, it was found that all methods based on time-resolved quantities give the same result. It was observed that such a value differs, beyond error bars, from that obtained from the plateau modulus, which is a time-integrated quantity. The possible reasons for the plateau modulus discrepancy were also discussed.
    Original languageEnglish
    Pages (from-to)2996-3002
    JournalJournal of Chemical Physics
    Volume120
    Issue number6
    DOIs
    Publication statusPublished - 2004

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