Miscibility and hydrogen-bonding interactions in blends of carbon dioxide/epoxy propane copolymer with poly (p-vinylphenol)

被引:32
|
作者
Zhang, ZH [1 ]
Mo, ZS [1 ]
Zhang, HF [1 ]
Zhang, Y [1 ]
Na, TH [1 ]
An, YX [1 ]
Wang, XH [1 ]
Zhao, XJ [1 ]
机构
[1] Chinese Acad Sci, Changchun Inst Appl Chem, State Key Lab Polymer hys & Chem, Changchun 130022, Peoples R China
关键词
poly(vinylphenol); differential scanning calorimetry (DSC); FTIR; XPS;
D O I
10.1002/polb.10252
中图分类号
O63 [高分子化学(高聚物)];
学科分类号
070305 ; 080501 ; 081704 ;
摘要
The miscibility and hydrogen-bonding interactions of carbon dioxide and epoxy propane copolymer to poly(propylene carbonate) (PPC)/poly(p-vinylphenol) (PVPh) blends were investigated with differential scanning calorimetry (DSC), Fourier transform infrared (FTIR) spectroscopy and X-ray photoelectron spectroscopy (XPS). The single glass-transition temperature for each composition showed miscibility over the entire composition range. FTIR indicates the presence of strong hydrogen-bonding interassociation between the hydroxyl groups of PVPh and the oxygen functional groups of PPC as a function of composition and temperature. XPS results testify to intermolecular hydrogen-bonding interactions between the oxygen atoms of carbon-oxygen single bonds and carbon-oxygen double bonds in carbonate groups of PPC and the hydroxyl groups of PVPh by the shift of C-1s peaks and the evolution of three novel O-1s peaks in the blends, which supports the suggestion from FTIR analyses. (C) 2002 Wiley Periodicals, Inc.
引用
收藏
页码:1957 / 1964
页数:8
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