Please use this identifier to cite or link to this item: https://doi.org/10.1016/j.polymer.2005.07.011
Title: Miscibility and interactions in poly(n-propyl methacrylate)/poly(vinyl alcohol) blends
Authors: Yi, J.Z.
Goh, S.H. 
Keywords: Blends
Glass transition temperature
Miscibility
Issue Date: 7-Oct-2005
Citation: Yi, J.Z., Goh, S.H. (2005-10-07). Miscibility and interactions in poly(n-propyl methacrylate)/poly(vinyl alcohol) blends. Polymer 46 (21) : 9170-9175. ScholarBank@NUS Repository. https://doi.org/10.1016/j.polymer.2005.07.011
Abstract: Poly(n-propyl methacrylate) (PPMA) is miscible with poly(vinyl alcohol) (PVA) over the whole composition range as shown by the existence of a single glass transition temperature in each blend. The interaction between PPMA and PVA was examined by Fourier transform infrared spectroscopy and solid-state nuclear magnetic resonance spectroscopy. The interactions mainly involve the hydroxyl groups of PVA and the carbonyl groups of PPMA. The measurements of proton spin-lattice relaxation time reveal that PPMA and PVA do not mix intimately on a scale of 1-3 nm, but are miscible on a scale of 20-30 nm. A small negative interaction parameter value has been obtained by melting point depression measurement. © 2005 Elsevier Ltd. All rights reserved.
Source Title: Polymer
URI: http://scholarbank.nus.edu.sg/handle/10635/76522
ISSN: 00323861
DOI: 10.1016/j.polymer.2005.07.011
Appears in Collections:Staff Publications

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