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 | Nanotech 2008 Vol. 1
Nanotechnology 2008: Materials, Fabrication, Particles, and Characterization - Technical Proceedings of the 2008 NSTI Nanotechnology Conference and Trade Show, Volume 1
Chapter 6: Characterization |
| | Effects of the Shape of Nanoparticles on the Crystallization Behavior of Poly(ethylene terephthalate) Nanocomposites in the Flow Fields | | Authors: | B.C. Kim, K.H. Jang, W.G. Hahm, T. Kikutani, J. Lee | | Affilation: | Hanyang University, KR | | Pages: | 1008 - 1011 | | Keywords: | PET, nanocomposites, shear, extension, crystallization | | Abstract: | This paper investigated the effects of the shape of nanoparticles on the crystallization behavior of high molecular weight poly(ethylene terephthalate) (PET ; inherent viscosity of 0.98 g/dl) in the shear and elongational flow fields. Two nanoparticles of different shape, the spherical polyhedral oligomeric silsesquioxanes (POSS) and the platelike surface-treated nanoclay, were selected. In general, both nanoparticles played the role of nucleating agent for PET in the shear flow field. Of the two nanoparticles, the clay proved to be the more effective nucleating agent in the shear low field. In the extensional flow field, however, the two nanoparticles affected the crystallization behavior of PET in different ways. The POSS promoted the crystallization of PET a little whereas the clay suppressed it. This discrepancy seemed to result from the different shape of the two nanoparticles. | | ISBN: | 978-1-4200-8503-7 |
| Pages: | 1118 |
| Hardcopy: | $199.99 |
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