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|Title:||Miscibility and interpolymer complexation of poly(1-vinylimidazole) with hydroxyl- and carboxyl-containing polymers|
|Source:||Luo, X.,Goh, S.H.,Lee, S.Y. (1999). Miscibility and interpolymer complexation of poly(1-vinylimidazole) with hydroxyl- and carboxyl-containing polymers. Macromolecular Chemistry and Physics 200 (2) : 399-404. ScholarBank@NUS Repository.|
|Abstract:||The miscibility of poly(1-vinylimidazole) (PVI) with some hydroxyl- and carboxyl-containing polymers was studied. Each of the binary blends or complexes of PVI with poly(p-vinylphenol) (PVPh), poly(2-hydroxypropyl methacrylate) (PHPMA) and poly(acrylic acid) (PAA) showed a single glass transition temperature (Tg), indicating miscibility. However, PVI is immiscible with poly(styrene-co-allyl alcohol) (SAA) and poly(hydroxyether of bisphenol-A) (Phenoxy) as shown by the appearance of two Tg's in each of the blends. Based on the frequency shifts of the hydroxyl band of the hydroxyl-containing polymers, the intensities of hydrogen bonding interactions between PVI and hydroxyl-containing polymers are in the order PVPh > PHPMA > SAA and Phenoxy. PVI interacts with PAA via ionic interaction. © WILEY-VCH Verlag GmbH, D-69451 Weinheim 1999.|
|Source Title:||Macromolecular Chemistry and Physics|
|Appears in Collections:||Staff Publications|
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