Melt-State Viscoelastic Properties of POSS-Containing Polyethylene Nanocomposites
Authors: Hato, Mpitloane J.; Ray, Suprakas Sinha; Luyt, Adriaan S.
Source: Advanced Science Letters, Volume 4, Numbers 11-12, November 2011 , pp. 3585-3589(5)
Publisher: American Scientific Publishers
Abstract:This article reports on the melt-state viscoelastic properties of polyhedral oligomeric silsesquioxane (POSS)containing linear low-density polyethylene (LLDPE) composites. LLDPE nanocomposites with three different weight percentages of POSS were prepared via melt-mixing at 150 °C. The melt-state rheological behaviour of pure LLDPE and various nanocomposite samples were studied by stress/strain control rheometry in the linear viscoelastic region and the results show that POSS particles play the role of a lubricant by decreasing the viscoelastic properties of LLDPE. The mechanical properties exhibited a decrease with increasing POSS content in the LLDPE matrix.
Document Type: Research Article
Publication date: November 1, 2011
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