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Synthesis of Thermally Stable Organosilicate for Exfoliated Poly(ethylene terephthalate) Nanocomposite with Superior Tensile Properties  

Kim, Ki-Hong (Hyperstructured Organic Materials Research Center and School of Materials Science and Engineering, Seoul National University)
Kim, Keon-Hyong (Hyperstructured Organic Materials Research Center and School of Materials Science and Engineering, Seoul National University)
Huh, June (Hyperstructured Organic Materials Research Center and School of Materials Science and Engineering, Seoul National University)
Jo, Won-Ho (Hyperstructured Organic Materials Research Center and School of Materials Science and Engineering, Seoul National University)
Publication Information
Macromolecular Research / v.15, no.2, 2007 , pp. 178-184 More about this Journal
Abstract
A poly(ethylene terephthalate) (PET)/organosilicate nanocomposite, with enhanced mechanical properties, has been prepared using the melt intercalation method. For this purpose, a new organic modifier has been synthesized for the preparation of organosilicate, which is thermally stable and compatible with PET. The use of the new organosilicate yielded almost exfoliated PET nanocomposite; whereas, the PET nanocomposites prepared by use of commercial organoclays (Cloisite 15A and 30B) show only an intercalated morphology. Particularly, the use of the new organosilicate showed an enhanced tensile modulus, and without sacrifice of the tensile strength and elongation on breaking, while the use of commercial organoclays only exhibit a trade-off between those mechanical properties.
Keywords
poly(ethylene terephthalate); nanocomposite; melt intercalation; organic modifier; mechanical properties;
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Times Cited By Web Of Science : 7  (Related Records In Web of Science)
Times Cited By SCOPUS : 6
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