Abstract
A study was made of the diffusion of an anhydride hardener into oligo-oxyester based on triglycidylisocyanurate and products of solidification. The investigations were carried out in the temperature and time interval corresponding to the chemical interaction of the diffusion agent with oligo-oxyester. Coefficients of diffusion were calculated within the diffusion range of displacement of components. It was shown that an increase in the degree of hardening of oligo-oxyester reduces the diffusion coefficients of components of the epoxy binder. The diffusion mobility of binder components into solidified oligo-oxyester was determined and an assumption put forward concerning the appearance of optical and concentration heterogeneities in compositions.
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