Abstract
Composite materials were prepared from C 3S and 12% (1) vinyl sulfonic acid (2) p-styrene sulfonic acid. The hydration of the composite systems were compared to that of neat C 3S for different ages up to 90 d, by DTA-TG, IR and XRD. The polymers were found to retard the hydration of the silicate due to the interaction between the Ca 2+ ions, released during the hydration of C 3S, and the sulfonate group of the polymers.
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