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Title: Phase behaviour and solvent diffusion in the system poly(methyl methacrylate)/methanol
Authors: Moerkerke, R
Berghmans, Hugo
Vandeweerdt, P
Adriaensen, P
Ercken, M
Van Der Zande, D
Gelan, J #
Issue Date: Jan-2000
Publisher: Wiley-v c h verlag gmbh
Series Title: Macromolecular chemistry and physics vol:201 issue:3 pages: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.
URI: 
ISSN: 1022-1352
Publication status: published
KU Leuven publication type: IT
Appears in Collections:Molecular Imaging and Photonics
# (joint) last author

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