Computational description of morphology of dispersive components' spatial structures in polymer composites

摘要

A method for computational description of morphology of dispersive components' spatial structures in composites has been developed. The method is based on the calculation and comparison average values of the elongation coefficient (K-e), sinuosity coefficient (K-s), and fullness coefficient (K-f) for structures of the dispersed phase. Stationary systems such as composite oligodiene epoxide vulcanizate (PDI 3AK) as matrix with micro-dispersive aluminium powder and composite methyl methacrylate-styrene (PMMAS) as matrix with magnetite Fe3O4 nanoparticles were investigated by SEM and AFM, respectively. Time behavior of micro-dispersive carbon black in dynamic system comprised of polydivinylisoprene oligomer (PDI) as the matrix was studied by optical microscopy. The obtained results by method for computational description of morphology had showed universality of the method and enabled ascertaining quantitative correlations describing shapes of certain particles of the filler and morphology of spatial structure under formation. Dependence of form coefficients on the time was determined. This dependence enables studying kinetics of structure formation.