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|標題:||Kinetics of solvent-induced crystallization of poly(ethylene terephthalate) at the final stage||作者:||施明智
|關鍵字:||crystallization kinetics;FTIR spectroscopy;PET;solvent-induced;crystallization;morphology;orientation;polymers||Project:||Journal of Polymer Research-Taiwan||期刊/報告no：:||Journal of Polymer Research-Taiwan, Volume 10, Issue 2, Page(s) 133-137.||摘要:||
The quantitative analysis of Fourier-transform infrared (FTIR) spectra was employed to elucidate the kinetics of solvent-induced crystallization (SING) in poly(ethylene terephthalate) (PET). A previous study on the isothermal crystallization of PET by Koenig et al. showed that the crystallization process could be divided into two stages, the first followed a sigmoidal increase in crystallinity (or the primary crystallization) and the second exhibiting a linear increase in crystallinity (or the secondary crystallization). In the present study, multiple stages of phase transformation were found in the solvent-induced crystallization. The kinetics of the secondary crystallization was studied in detail. Finally, the variation of morphology of PET during crystallization was also discussed in terms of structure observed by an atomic force microscope.
|Appears in Collections:||物理學系所|
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