The addition of nano-sized particles into a polymer matrix is an excellent way to manipulate polymer properties. Our current efforts try to understand how a material’s properties are influenced by parameters such as temperature, particle size, and particle concentrations of additives. This paper presents the rheological behavior of polycarbonate (PC) and low density polyethylene (LDPE) containing at least 2.5% and 5% weight fractions of functionalized and un-functionalized carbon nanotubes (CNTs). These materials were investigated using steady shear and oscillatory rheometry over a range of processing temperatures. The properties examined through rheological experimentation include: viscosity, critical strain, storage modulus (G′), and loss modulus (G ). The nanocomposites samples were examined using scanning electron microscopy (SEM) and UV light microscopy.
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ASME 2007 International Mechanical Engineering Congress and Exposition
November 11–15, 2007
Seattle, Washington, USA
Conference Sponsors:
- ASME
ISBN:
0-7918-4305-X
PROCEEDINGS PAPER
Rheological Study of Steady Shear and Linear Viscoelastic Characteristics of Polyethylene and Polycarbonate Nanocomposites
Michael P. Lalko,
Michael P. Lalko
Central Michigan University, Mount Pleasant, MI
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Leela Rakesh,
Leela Rakesh
Central Michigan University, Mount Pleasant, MI
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Stanley Hirschi
Stanley Hirschi
Central Michigan University, Mount Pleasant, MI
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Michael P. Lalko
Central Michigan University, Mount Pleasant, MI
Leela Rakesh
Central Michigan University, Mount Pleasant, MI
Stanley Hirschi
Central Michigan University, Mount Pleasant, MI
Paper No:
IMECE2007-43489, pp. 1155-1162; 8 pages
Published Online:
May 22, 2009
Citation
Lalko, MP, Rakesh, L, & Hirschi, S. "Rheological Study of Steady Shear and Linear Viscoelastic Characteristics of Polyethylene and Polycarbonate Nanocomposites." Proceedings of the ASME 2007 International Mechanical Engineering Congress and Exposition. Volume 11: Micro and Nano Systems, Parts A and B. Seattle, Washington, USA. November 11–15, 2007. pp. 1155-1162. ASME. https://doi.org/10.1115/IMECE2007-43489
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