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Abstract:
If you missed it the first time, please
make sure to join us for this encore e-Live Presentation.
Polymer-layered silicate nanocomposites formed
from the organically modified clay mineral montmorillonite
and related materials promise greatly improved
properties. This presentation focuses on two issues:
how to achieve high levels of dispersion of the
1-nanometer-thick, high-aspect-ratio aluminosilicate
layers, and to what extent the resulting benefits
can be explained by conventional composite theories.
In essence, the latter raises the question: Is
there a “nano-effect?” The primary
focus is on nanocomposites formed from polyamides
and various polyolefins and some rubber-toughened
versions of nylon-6 and polypropylene. Experimental
data are presented for tensile stress-strain,
dynamic mechanical, impact strength, and thermal
expansion behavior as a function of clay content
and degree of exfoliation. Finally, these properties
are compared to the theories of Halpin-Tsai and
Mori-Tanaka (also Chow), to address the question
of “nano-effects.”
Presenter:
Donald R. Paul, University of Texas at
Austin
Donald Paul holds a BS and a PhD in chemical
engineering from North Carolina State University
and the University of Wisconsin, respectively.
He has been a member of the Chemical Engineering
faculty at the University of Texas at Austin since
1967 and was named Senior Chair in Engineering
in 2001. His research areas of interest include
polymer blends, membranes for drug delivery and
packaging, and polymer processing. Synthesis,
characterization, and performance of polymers
are integral parts of the research in all these
areas. Don is a member of the editorial boards
of a number of journals, including Polymer
Engineering & Science, Journal of Polymer
Science: Polymer Physics, and the Encyclopedia
of Polymer Science and Technology. He has
published more than 500 research papers and has
over 23,000 citations listed by the Science Citation
Index as of November 2005. He has received a number
of awards, including the SPE International Award
(1993), Outstanding Graduate Teaching Award at
the University of Texas at Austin (1994), and
the Alan S. Michaels Award for Innovation in Membrane
Science and Technology from the North American
Membrane Society (2005).
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| Registration Fees |
Individual |
Group |
| SPE Member |
$99.00 |
$150.00 |
| Nonmember |
$150.00 |
$175.00 |
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This presentation will be recorded
for future use and distribution through the Society
of Plastics Engineers, Inc.
Contact:
For further information contact Elizabeth Reagan,
203-253-1368 or Email: ereagan@4spe.org
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