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Title: Thermoreversible gelation of solutions of syndiotactic poly(methyl methacrylate) in toluene - a 2-step mechanism
Authors: Berghmans, M ×
Thijs, S
Cornette, M
Berghmans, Hugo
Deschryver, Fc
Moldenaers, Paula
Mewis, Joannes #
Issue Date: Jan-1994
Publisher: Amer chemical soc
Series Title: Macromolecules vol:27 issue:26 pages:7669-7676
Abstract: The thermoreversible gelation of solutions of syndiotactic poly(methyl methacrylate) in toluene has been studied by different experimental techniques. A combination of calorimetric, infrared, fluorescence, light scattering, and theological observations supports the two-step gelation mechanism, proposed in a previous paper. A fast intramolecular conformational change is followed by an intermolecular association. The change in molecular mobility during the gelation process has been followed by H-1 NMR. Further support for the two-step mechanism has been found in the temperature dependence of the fluorescence properties of a probe covalently attached to the polymer chain. Finally, a concentration-temperature diagram for the polymer-solvent system has been constructed;
ISSN: 0024-9297
Publication status: published
KU Leuven publication type: IT
Appears in Collections:Chemical Engineering - miscellaneous
Molecular Imaging and Photonics
Soft Matter, Rheology and Technology Section
× corresponding author
# (joint) last author

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