Miscibility of poly(1-vinylimidazole)/ poly(p-vinylphenol) blends |
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| Authors: | S. H. Goh S. Y. Lee I. K. Tan |
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| Affiliation: | (1) Department of Chemistry, National University of Singapore, 119260 Singapore, Republic of Singapore |
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| Abstract: | Summary Blends of poly(1-vinylimidazole) (PVI) and poly(p-vinylphenol) (PVPh) were cast from ethanol or N,N-dimethylformamide (DMF). All the blends are miscible based on the single glass transition temperature (Tg) criterion. The Tg values of the blends are higher than those calculated from linear additivity rule. Blends cast from ethanol show a larger positive deviation than those cast from DMF. The Tg-composition curves can be fitted by the Kwei equation. FTIR studies show the existence of a strong hydrogen-bonding interaction between PVI and PVPh. |
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