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|Title:||Miscibility and interactions in poly(2,2,3,3,3-pentafluoropropyl methacrylate-co-4-vinylpyridine)/poly(p-vinylphenol) blends|
|Source:||Huang, H.L.,Goh, S.H.,Wee, A.T.S. (2002-03-01). Miscibility and interactions in poly(2,2,3,3,3-pentafluoropropyl methacrylate-co-4-vinylpyridine)/poly(p-vinylphenol) blends. Polymer 43 (9) : 2861-2867. ScholarBank@NUS Repository.|
|Abstract:||The miscibility and specific interactions in poly (2,2,3,3,3-pentafluoropropyl methacrylate-co-4-vinylpyridine) (PFX, X = 0, 28, 40 or 54, denoting the mol% of 4-vinylpyridine unit in the copolymer)/poly(p-vinylphenol) (PVPh) blends have been studied by differential scanning calorimetry (DSC), atomic force microscopy (AFM), Fourier transform infrared (FTIR) spectroscopy, and X-ray photoelectron spectroscopy (XPS). DSC studies show that PF0 is immiscible with PVPh, and the presence of a sufficient amount of 4-vinylpyridine units in the copolymer produces miscible blends. AFM images also clearly show that the blends change from heterogeneous to homogeneous upon the incorporation of 4-vinylpyridine unit into the copolymer. FTIR and XPS show the existence of inter-polymer hydrogen bonding between PFX and PVPh. The intensity of the inter-polymer hydrogen bonding increases with increasing 4-vinylpyridine content in the copolymer. © 2002 Elsevier Science Ltd. All rights reserved.|
|Appears in Collections:||Staff Publications|
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