標題: Study of hydrogen-bonding strength in poly(epsilon-caprolactone) blends by DSC and FTIR
作者: Kuo, SW
Huang, CF
Chang, FC
應用化學系
Department of Applied Chemistry
關鍵字: hydrogen bonding;poly(epsilon-caprolactone) (PCL);phenolic;poly(vinyl-phenol) (PVPh);phenoxy
公開日期: 15-六月-2001
摘要: The hydrogen-bonding strength of poly(epsilon -caprolactone) (PCL) blends with three different well-known hydrogen-bonding donor polymers [i.e., phenolic, poly(vinyl-phenol) (PVPh), and phenoxy] was investigated with differential scanning calorimetry and Fourier transform infrared spectroscopy. All blends exhibited a single glass-transition temperature with differential scanning calorimetry, which is characteristic of a miscible system. The strength of interassociation depended on the hydrogen-bonding donor group in the order phenolic/PCL > PVPh/PCL > phenoxy/PCL, which corresponds to the q value of the Kwei equation. Tn addition, the interaction energy density parameter calculated from the melting depression of PCL with the Nishi-Wang equation resulted in a similar trend in terms of the hydrogen-bonding strength. Quantitative analyses on the fraction of hydrogen-bonded carbonyl groups in the molten state were made with Fourier transform infrared spectroscopy for all systems, and good correlations between thermal behaviors and infrared results were observed. (C) 2001 John Wiley & Sons, Inc.
URI: http://dx.doi.org/10.1002/polb.1107
http://hdl.handle.net/11536/29568
ISSN: 0887-6266
DOI: 10.1002/polb.1107
期刊: JOURNAL OF POLYMER SCIENCE PART B-POLYMER PHYSICS
Volume: 39
Issue: 12
起始頁: 1348
結束頁: 1359
顯示於類別:期刊論文


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