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Thermal properties of copolyetherester/silica nanocomposites

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Abstract

Thermal properties of copolyetherester/silica nanocomposites were examined by using DSC and TGA. The segmented block copolyetheresters with various hard segment structures and hard segment contents (HSC) were synthesized and their silica nanocomposite films were prepared by solution casting method. The nano-sized fumed silica particles were found to act as a nucleating agent of the copolyetheresters. The nanocomposites always showed reduced degree of supercooling or faster crystallization than the corresponding copolyetheresters. The nanocomposites also showed increased hard segment crystallinity except HSC 35 sample which had short hard segment length. In case of 2GT [poly(ethylene terephthalate)] copolyetheresters, which were not developed commercially because of their low crystallization rate, the hard segment crystallinity increased considerably. The copolyetherester/silica nanocomposites showed better thermal stability than copolyetheresters.

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Authors and Affiliations

  1. Department of Textile Engineering, Chungnam National University, 305-764, Daejeon, Korea

    Doo Hyun Baik, Hae Young Kim, Sun Jin Kwon, Myung Hyun Kwon, Han Sup Lee, Ji Ho Youk & Seung Won Seo

  2. Department of Textile Engineering, Inha University, 402-751, Incheon, Korea

    Han Sup Lee & Ji Ho Youk

  3. R&D Center, Hyosung Corp., Anyang, Kyonggi-do, 431-080, Korea

    Seung Won Seo

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  1. Doo Hyun Baik
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  2. Hae Young Kim
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  3. Sun Jin Kwon
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  4. Myung Hyun Kwon
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  5. Han Sup Lee
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  6. Ji Ho Youk
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  7. Seung Won Seo
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Correspondence to Doo Hyun Baik.

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Baik, D.H., Kim, H.Y., Kwon, S.J. et al. Thermal properties of copolyetherester/silica nanocomposites. Fibers Polym 7, 367–371 (2006). https://doi.org/10.1007/BF02875768

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  • DOI: https://doi.org/10.1007/BF02875768

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