Using chemically defined compounds (first reaction product intermediates of the phenol-formaldehyde system), we have studied the reaction mechanisms of formaldehyde condensation in perfectly controlled conditions (temperature, stoichiometry, catalyst and pH). The results obtained with a range of techniques, e.g. high-performance liquid chromatography, a3C nuclear magnetic resonance and chemical assay, show that the reaction kinetics and the structures of the resole end-products depend on synthetic and operating conditions
Посилання на статтю:
Phenolic resins: 1. Mechanisms and kinetics of phenol and of the first polycondensates towards formaldehyde in solution / Marie-Florence Grenier-Loustalot*, Stephane Larroque andPhilippe Grenier // Polymer. – 1994. – Vol 35. – P. 3046-3054.