【摘要】 采用特殊工艺制备了复合型石膏防水剂。用表面活性剂乳化硬脂酸作为石膏的憎水剂;以明矾石与聚乙烯醇作用的产物堵塞体系内部孔隙并切断毛细管通路;利用高分子聚合物液形成阻水膜,根据石膏制品的微观结构特征和吸水机理制得复合型防水剂。该复合型石膏防水剂可使石膏制品的长期防水性能显著提高。更多还原

【Abstract】 A complex water-repellent gypsum additive was studied in this paper.Stearic acid latex,cement and triethanolamine,polymer and citrate are used to change the water resistance of gypsum product.The water absorption of hardened gypsum plaster with the additive was reduced less than 3.10%.更多还原