Porcelain Casting Slips Formulated with Waste Glass

摘要

In this work, it was investigated as to what happens when waste glass is introduced into the composition of a ceramic body in an industrial slip-casting process. For pressed products, such as tiles and bricks, the use of waste glass is sufficiently simple, but when used for slip-casting products, such as china and porcelains, the presence of glass destabilizes the slip. A better stabilization of the casting slip was achieved with an organic deflocculant instead of sodium silicate. Therefore, the factors that determine the success or the failure of a deflocculant were analyzed, such as pH, ξpotential, viscosity, and thixotropy.