Preparation of poly(ethylene terephthalate) nanocomposite fibers incorporating a thermally stable organoclay |
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Authors: | Mu Kyung Mun Jeong-Cheol Kim Jin-Hae Chang |
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Affiliation: | (1) Polymer Science and Engineering, Kumoh National Institute of Technology, Gumi, 730-701, Korea;(2) Gwangju R&D Center, Korea Institute of Industrial Technology, Gwangju, 500-460, Korea |
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Abstract: | Summary A series of poly(ethylene terephthalate) (PET) nanocomposites containing organically-modified mica (HB-Mica) were prepared
by in-situ interlayer polymerization of dimethyl terephthalate and ethylene glycol. The PET nanocomposites, which contained
organoclay loadings of 0 to 2 wt %, were melt-spun to produce monofilaments with various draw ratios. Some of the clay particles
appeared well dispersed within the PET matrix, while others were found to form agglomerates with sizes greater than 20 nm.
The addition of a small amount of organoclay was sufficient to improve the thermo-mechanical properties of the PET hybrid
fibers. Both the thermal stability and the mechanical tensile properties increased with increasing clay content for draw ratios
of 1–16. |
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