Clay Loading And Dispersion Effects On The Rheological Properties Of Unsaturated Polyester Nanocomposites
Clay Loading and Dispersion Effects on the Rheological Properties of Unsaturated Polyester Nanocomposites
Tony Nguyen
(Mentor: Abbas A. Zaman, College of Engineering)
ABSTRACT
The objective of this work is to characterize the influence of clay loading and dispersion effects on the rheological properties of unsaturated polyester composites. Toughened unsaturated polyester (UPE) composites were synthesized by the blending of delaminated clay with unsaturated polyester. Rheological behavior is shown to be strongly influenced by clay loading and the extent of clay dispersion in the polymer matrix. Transition from liquid-like behavior to solid-like behavior shifts to significantly higher solids loading at higher shear rates which may be due to the alignment of the particles in the direction of flow at high shear rates. SEM micrographs are used to display the extent of intercalation and dispersion of the clay within the polymer matrix.
INTRODUCTION AND BACKGROUND
1.1 Definition......
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Approximate Word Count: 1978
Approximate Pages: 8 (250 words per double-spaced page)
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