有机酯硬化剂对水玻璃砂的影响

Influence of Organic Esters on Sodium Silicate Sand

通过正交试验分析了水玻璃的加入量增加和有机酯的加入对水玻璃砂的残留强度和24 h终强度的影响程度大小,结果表明:有机酯的加入使水玻璃砂的24 h终强度达到了普通水玻璃砂的要求;水玻璃加入量的减少,使有机酯硬化水玻璃砂的溃散性有较大提高。

The influence of increasing sodium silicate addition and adding organic ester on residual strength and final strength after 24 h of sodium silicate sand was analyzed with orthogonal experiments. The results showed that the final strength after 24 h of sodium silicate sand reached the requirement for the normal sodium silicate sand hy adding organic ester, and the reducing of sodium silicate addition amount obviously improved the collapsibility.