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

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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.

Keywords: NANOCOMPOSITES; POLYOLEFINS; POSS; RHEOLOGICAL CHARACTERISTICS

Document Type: Research Article

DOI: http://dx.doi.org/10.1166/asl.2011.1911

Publication date: November 1, 2011

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  • ADVANCED SCIENCE LETTERS is an international peer-reviewed journal with a very wide-ranging coverage, consolidates research activities in all areas of (1) Physical Sciences, (2) Biological Sciences, (3) Mathematical Sciences, (4) Engineering, (5) Computer and Information Sciences, and (6) Geosciences to publish original short communications, full research papers and timely brief (mini) reviews with authors photo and biography encompassing the basic and applied research and current developments in educational aspects of these scientific areas.
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