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Mechanical Properties of Unsaturated Polyester / Montmorillonite Composites

Published online by Cambridge University Press:  15 March 2011

A. Baran Inceoglu  and
Ulku Yilmazer
A. Baran Inceoglu
Affiliation:
Middle East Technical University, Chemical Engineering Department, 06531, Ankara, TURKEY
Ulku Yilmazer
Affiliation:
Middle East Technical University, Chemical Engineering Department, 06531, Ankara, TURKEY
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Abstract

Nanocomposites composed of unsaturated polyester matrix and organically modified clay filler were prepared. After the synthesis, XRD patterns showed that the interlayer spacing expanded from 1.25 nm to 4.5 nm. The mechanical properties of the nanocomposites were determined and it was found that adding only 3 w/w % organically modified clay improved the flexural modulus of unsaturated polyester by 35%. From DSC diagrams, it was found that Tgvalues of the nanocomposites also increased with the clay content. It is concluded that partially exfoliated / intercalated nanocomposites were formed at relatively low clay contents.

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Type
Research Article
Information
MRS Online Proceedings Library (OPL) , Volume 703: Symposia U/V – Nanophase and Nanocomposite Materials IV , 2001 , V9.23
Copyright
Copyright © Materials Research Society 2002

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References

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