| 摘要 |
<p>66925-495 Aqueous-based microsilica slurries having resistance to gelling and settlement of solids are provided. The slurries contain amino alcohols as stabilizing agents, the amino alcohols having the formula wherein R1 and R2 are each individually hydrogen or a linear or branched alkyl group containing 1 to 6 carbon atoms; R3 is a linear or branched alkylene group containing 1 to 8 carbon atoms; and R4 and R5 are each individually hydrogen, a linear or branched alkyl group containing 1 to 8 carbon atoms, or a linear or branched hydroxyalkyl group containing 1 to 8 carbon atoms. Also provided are hydraulic cement compositions comprising a hydraulic-cement binder, microsilica, and an amino alcohol of the invention. WPJLH/67/1-18</p> |
