thermal properties of mecdp copolyesters

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ID: 176523
2012
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Abstract
MECDP copolyesters based on poly(ethylene terephthalate) were prepared with sodium-5-sulfo-bis-(hydroxyethyl)-isophthalate and poly(ethylene glycol) units as modifiers. Thermal properties of these copolyesters were characterized by differential scanning calorimetry and thermal gravity analyzer. Experimental results indicated that glass transition temperature, melting temperature and thermal degradation temperature reduced with increasing the poly(ethylene glycol) content. The incorporation of poly(ethylene glycol) increased the flexibility and irregularity of molecular chains which led to lower crystallinity, and bought more ether bonds into molecular chains. Besides, the thermal degradation under oxygen condition happened easily compared to that under nitrogen condition.
Reference Key
ming-liang2012thermalthermal Use this key to autocite in the manuscript while using SciMatic Manuscript Manager or Thesis Manager
Authors ;Zhao Ming-Liang;Liu Yuan;Li Fa-Xue;Wang Xue-Li;Gao Yu;Yu Jian-Yong
Journal Nature
Year 2012
DOI
10.2298/TSCI1205456Z
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