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Fractal characterization of the fissures occuring during polymerization of low-profile unsaturated polyester resins |
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| Authors: | M. Ruffier N. Vincent G. Merle |
| Affiliation: | 1. Centre des Samoura?s, PRODEMAT S.A., 20, Allée H. G. Glouzot, F-69100, Villeurbanne, France 2. Laboratoire de Modélisation des Systèmes et de Reconnaissance des Formes, Institut National des Sciences Appliquées, 20, Avenue A. Einstein, F-69621, Villeurbanne Cedex, France 3. Laboratoire des Matériaux Macromoléculaires, Institut National des Sciences Appliquées, U.R.A. CNRS no 507, 20, Avenue A. Einstein, F-69621, Villeurbanne Cedex, France |
| Abstract: | Blends of unsaturated polyester resin and polyvinylacetate (PVAc) were cured between two glass slides. In this case, the low-profile effect arises by fissuring with a fractal geometry. This paper shows how the fractal dimension of the fissures depends on the PVAc amount and on the cure temperature. These results are discussed with the present knowledge about the polyester network morphology in two phases more or less co-continuous. |
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