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Please use this identifier to cite or link to this item: http://hdl.handle.net/1942/2940

Title: Phase behaviour and solvent diffusion in the system poly(methyl methacrylate)/methanol
Authors: Moerkerke, R
Berghmans, H.
Vandeweerdt, P
ADRIAENSENS, Peter
Ercken, M
VANDERZANDE, Dirk
GELAN, Jan
Issue Date: 2000
Publisher: WILEY-V C H VERLAG GMBH
Citation: MACROMOLECULAR CHEMISTRY AND PHYSICS, 201(3). p. 308-312
Abstract: The diffusion of methanol into atactic poly(-methyl methacrylate) is controlled by the interference of the demixing curve with the concentration dependence of the glass transition. Below the temperature of intersection of the two curves, the sample is always in the glassy state and diffusion is of case II. Above this temperature, absorption of methanol brings the sample through the glassy state into the solution state. With increasing temperature, diffusion changes from case II into Fickian. The maximum degree of absorption is determined by the position of the demixing curve in the temperature-concentration plane.
Notes: Katholieke Univ Leuven, Lab Polymer Res, B-3001 Heverlee, Belgium. IMO, Dept SBG, B-3500 Diepenbeek, Belgium.Berghmans, H, Katholieke Univ Leuven, Lab Polymer Res, Celestijnenlaan 200F, B-3001 Heverlee, Belgium.
URI: http://hdl.handle.net/1942/2940
ISI #: 000085403600004
ISSN: 1022-1352
Category: A1
Type: Journal Contribution
Validation: ecoom, 2001
Appears in Collections: Research publications

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