Melt rheological properties of polypropylene-maleated polypropylene blends: I. Steady flow by capillary

Li Shucai, Pentti Järvelä, Pirkko Järvelä

Research output: Contribution to journalArticleScientificpeer-review

22 Citations (Scopus)

Abstract

Melt rheological properties of blends of polypropylene (PP) and PP grafted with maleic anhydride (PP‐g‐MA) are studied using a capillary rheometer. A pseudoplastic flow behavior is observed. The pseudoplasticity of the melt reduces with an increase of PP‐g‐MA content and/or temperature. The PP‐g‐MA component in the blend acts as decreasing melt viscosity, especially in the lower shear rate region, while the addition of PP‐g‐MA to PP does not cause obvious increase of die swell ratio.
Original languageEnglish
Pages (from-to)1641-1648
JournalJournal of Applied Polymer Science
Volume71
Issue number10
DOIs
Publication statusPublished - 1999
MoE publication typeA1 Journal article-refereed

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