【摘要】 以广州造纸厂生产的MG减水剂为原料 ,通过离子交换法制备了五种季铵阳离子木质素磺酸盐 ,研究了它们对水泥净浆凝结时间和抗压强度的影响 ,并用扫描电镜对水泥净浆固结体的微观结构进行了观测更多还原

【Abstract】 Five kinds of lignosulfonates with different quaternary ammonium ions were prepared by means of dowexing.The effects of the lignosulfonates on cement slurry setting time and compressive strength were determined.The microstructure of hardened body of cement slurry was studied through SEM.更多还原