Abstract
This paper describes the thermal and water storage characteristics of a super-absorbent polymer gel which has absorbed an aqueous solution of calcium chloride. It is expected that the gel could be used as a heat absorbent material in a fire protection material during the course of the fire. Gels which absorbed calcium chloride solutions of 10 – 40 mass% were tested. The maximum absorbency of polymer and latent heat of the gel were measured using a thermal analyzer of TG/DTA. The water storage characteristics of the gel were obtained leaving the gel in a room whose temperature was controlled and measuring changes in weight of the gel. Also, an equilibrium concentration of the calcium chloride solution in gel and the latent heat of the gel were obtained.
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