Journal
POLYMER
Volume 47, Issue 11, Pages 3976-3980Publisher
ELSEVIER SCI LTD
DOI: 10.1016/j.polymer.2006.03.079
Keywords
poly(ethylene terephthalate); single walled carbon nanotubes; crystallization
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We have investigated the crystallization characteristics of melt compounded nanocomposites of poly(ethylene terephthalate) (PET) and single walled carbon nanotubes (SWNTs). Differential scanning calorimetry studies showed that SWNTs at weight fractions as low as 0.03 wt% enhance the rate of crystallization in PET, as the cooling nanocomposite melt crystallizes at a temperature 10 degrees C higher as compared to neat PET. Isothermal crystallization studies also revealed that SWNTs significantly accelerate the crystallization process. WAXD showed oriented crystallization of PET induced by oriented SWNTs in a randomized PET melt, indicating the role of SWNTs as nucleating sites. (c) 2006 Elsevier Ltd. All rights reserved.
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