Abstract
A styrene solution of waste expanded polystyrene (EPS) is prepared by dissolving EPS in styrene at an EPS concentration of 40%. The polystyrene mortars using waste EPS solution-based binders are prepared with various contents of crosslinking agent, and tested for working life, setting shrinkage, flexural and compressive strengths, and hot water resistance. As a result, the working life of the polystyrene mortars is shortened, and their setting shrinkage is increased with increasing content of crosslinking agent. Their flexural strength decreases while their compressive strength increases with an increase in the content of crosslinking agent. In addition, the polystyrene mortars have excellent hot water resistance.
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