NDLI: Specific interactions in miscible polymer blends of poly ( 2-hydroxypropyl methacrylate ) with polyvinylpyrrolidone

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Specific interactions in miscible polymer blends of poly ( 2-hydroxypropyl methacrylate ) with polyvinylpyrrolidone

Content Provider	Semantic Scholar
Author	Kuo, Shiao-Wei Shih, Chiang Shieh, Johnny Meng-Han Chang, Feng-Chih
Copyright Year	2003
Abstract	The miscibility behaviour and hydrogen-bonding interaction in blends of poly(2-hydroxypropyl methacrylate) (PHPMA) with polyvinylpyrrolidone (PVP) were characterized using differential scanning calorimetry and Fourier-transform infrared spectra. This polymer blend was miscible over the whole composition range and an unusually large positive deviation of Tg from the linearity rule was observed, indicating strong hydrogen bonding between the hydroxyl group of PHPMA and the carbonyl group of PVP. Infrared spectroscopic analysis provided positive evidence for the intra-molecular hydrogen bonding of PHPMA and inter-molecular hydrogen bonding between PHPMA and PVP at various compositions and temperatures. Furthermore, equilibrium constants and enthalpies of self-association and interassociation between functional groups in the blend of PHPMA and PVP were calculated to explain the results.  2004 Society of Chemical Industry
File Format	PDF HTM / HTML
Alternate Webpage(s)	https://ir.nctu.edu.tw/bitstream/11536/27054/1/000188301700016.pdf
Language	English
Access Restriction	Open
Subject Keyword	Calorimetry Calorimetry, Differential Scanning Composition Equilibrium Hydrogen Bonding Hydroxyl Radical Interaction Methacrylates Poly A Polyhydroxyethyl Methacrylate Polymer Povidone Protected Media Path Pyschological Bonding Spectroscopy, Fourier Transform Infrared hydroxyl group poly ICLC
Content Type	Text
Resource Type	Article

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