Curing of epoxy resins by complex based on monoamide of phosphonic acid and ammonium chloride |
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| Authors: | Yu. M. Evtushenko N. A. Khalturinskii V. M. Ivanov B. E. Zaitsev |
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| Affiliation: | (1) Department of Chemistry, Brandeis University, Waltham, MA 02454-9110, USA; |
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| Abstract: | Reaction of epoxy-diane resin with complex based on monoamide of phosphonic acid and ammonium chloride (MODAF) is studied. It is established that the MODAF equivalent in the reaction with epoxy resin is equal to 1/5 of its molecular weight. Epoxy resin is cured via the reactions of both monoamide and ammonium chloride. The dependence of the epoxide and hydroxyl groups has a stepped character over time, which is probably due to the existence of certain threshold concentrations of the curing coefficients. The investigated reaction is a new example of macroscopic coherence manifestation. |
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