Material point method simulation of enhanced penetrant diffusion in nanoparticle- polymer composite membranes


We have utilized 2D material point method (MPM) to study the influence of nanoparticles on the diffusivity of penentrants in model polymer membranes comprised of impenetrable spherical nanoparticles dispersed in a matrix with uniform penetrant solubility and diffusivity. The polymer membrane near the surface of a nanoparticle exhibits enhanced penetrant… (More)


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