Abstract:The viscosity behavior of extrusion pastes comprised of a PVB melt and varying amounts of nano‐zirconia powder have been explored with special emphasis on the impact of a dispersant to reduce the viscosity. In contrast to suspensions with nanopowders, the maximum solid loading in the highly viscous extrusion pastes studied is not limited by attractive interparticle forces. However, at a solid loading >30 vol% the pastes had too high viscosity to be processed due to the high number of adsorbed polymer molecules… Show more
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