This study deals with a new system based on the reaction between a, dihydroxy polyaryleneoxy-2,6 pyridylene (PAOP) and a Novolac epoxy prepolymer. The functionality of the later is higher than two which allows to reach a cross-linked network without curing agent. The reactivity of this mixture is compared to the reactivity of a system in which PAOP is replaced by a bisphenol without pyridine ring. It appears that the phenol functions — pyridine ring association catalyses the epoxide — phenol reaction.
Not only are the kinetics of reaction of some systems with different stoichiometric ratio studied, but the effect on these ones of an external catalyst like imidazole as well.
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Peloux, J., Tlghzert, L., Pascault, J.P. et al. Some aspects of reaction between epoxy and bisphenol. Polymer Bulletin 20, 207–213 (1988). https://doi.org/10.1007/BF00256117