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Effects of a small amount of poly(ethylene glycol) on the non-isothermal cold crystallization of uniaxially oriented poly(ethylene terephthalate) fibers

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Abstract

The kinetics of non-isothermal crystallization of uniaxially oriented poly(ethylene terephthalate) fibers modified by poly(ethylene glycol)(PET-co-PEG) was investigated by using a DSC heating scanning method and analyzed by using a new non-isothermal equation. Two crystallization peaks appeared for PET and PET-co-PEG fibers. The kinetics parameters, such as the Avrami exponent, the activation energies of diffusion, and the weight fractions per sub-process, were obtained. Based on the Avrami exponent, peak position, and crystallization rate, the crystallization mechanism was proposed.

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Acknowledgements

The authors are grateful for financial support granted by Tianjin Municipal High Education Commission for the Developing Fund of Science and Technology (Contract grant No.:20050511) and Development Program of Science & Technology of Tianjin, China (Contract grant No.: 06TXTJJC14400).

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Authors and Affiliations

  1. School of Materials Science and Chemical Engineering, Key Laboratory of Modification and functional Fibers, Tianjin Polytechnic University, Tianjin, 300160, People’s Republic of China

    Shuguang Wang, Zhiying Zhang, Zhizhi Dong, Qinghua Yuan, Zhenghong Song & Changfa Xiao

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  1. Shuguang Wang
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  2. Zhiying Zhang
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  3. Zhizhi Dong
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  4. Qinghua Yuan
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  5. Zhenghong Song
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  6. Changfa Xiao
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Correspondence to Zhiying Zhang.

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Wang, S., Zhang, Z., Dong, Z. et al. Effects of a small amount of poly(ethylene glycol) on the non-isothermal cold crystallization of uniaxially oriented poly(ethylene terephthalate) fibers. J Polym Res 15, 21–25 (2008). https://doi.org/10.1007/s10965-007-9139-1

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  • DOI: https://doi.org/10.1007/s10965-007-9139-1

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