Measurement of in situ monomer sorption in polyu(propylene)

J.T.M. Pater, G. Weickert, Anna Fait, Gabriele Mei

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    Abstract

    An experimental method has been developed to compare the amount of monomer absorbed in freshly produced poly(propylene) with the amount of monomer absorbed in the same material after degassing. It has been found that propylene sorption in freshly produced poly(propylene) is significantly higher than the sorption in the same but degassed polymer. The difference depends on the degree of drying and is time-dependent. This fact can be an explanation for reduced activity often observed in the transition from liquid- to gas-phase polymerization.
    Original languageUndefined
    Pages (from-to)1638-1642
    Number of pages5
    JournalMacromolecular rapid communications
    Volume25
    Issue number18
    DOIs
    Publication statusPublished - 2005

    Keywords

    • monomers
    • Equilibrium measurements
    • IR-58298
    • METIS-223557
    • poly(propylene) (PP)

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