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pro vyhledávání: '"Fabian Panariello"'
Publikováno v:
Colloids and Surfaces A: Physicochemical and Engineering Aspects. 293:224-228
The sol–gel transition of organic gels prepared by polycondensation of resorcinol ( R ) with formaldehyde ( F ) in presence of sodium carbonate ( C ) was monitored by small amplitude oscillatory measurements, at a single frequency. The gelation tim
Autor:
José Marien, Nathalie Job, Angélique Léonard, Fabian Panariello, Michel Crine, Jean-Paul Pirard
Publikováno v:
Journal of Non-Crystalline Solids. 352:24-34
Resorcinol–formaldehyde gels were produced at 50, 70 and 90 °C and with three different R / C ratios (500, 1000 and 2000). The effect of these variables combined with that of aging time was studied in order to optimize the synthesis conditions. Th