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  • Influence of nanomodifier on hardening of gypsum binder, properties and structure of gypsum stone

    Experimental data are given on the change in temperature and end time of hardening of a gypsum binder in the presence of a fulleroid-type carbon nanomodifier, as well as the properties of nanomodified hardened high-strength gypsum: strength, density, water absorption, and softening coefficient. When performing the experimental part of the work, the gypsum binder was mixed with fullerenol solutions with different pH: neutral, acidic, alkaline. Conclusions are drawn about the effect of fulleroid nanoparticles on the rate of setting and hardening of gypsum and the characteristics of gypsum stone. The nanomodifier affects the rheological properties of the mixture and the temperature of the binder hydration process, which affects its physical and mechanical characteristics, density, and water absorption.

    Keywords: gypsum binder, fulleroid nanomodifier, temperature, hardening time, gypsum dough, gypsum stone, properties