Effects of an Isobutylene-Maleic Anhydride Copolymer on the Rheological Behavior and Early Hydration of Natural Hydraulic Lime.

Compared to the FT-IR spectrum of pure NHL paste with 0 wt% IBMA, this into the absorption peaks of Ca(OH) 2 and C–S–H showed a decreasing trend with the increase of IBMA content, indicating that the content of Ca(OH) 2 and C–S–H gradually decreases.

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However, upon the further addition of IBMA, after the yield stress reached its lowest value, no further changes were observed, with the plastic viscosity then showing an increasing trend.

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