Bentonite/acrylic acid/acrylamide tricopolymer was synthesized by using aqueous solution polymerization.And the water absorbency of the obtained composite materials was 872 times.

• 摘要采用水溶液法聚合法制备膨润土／丙烯酸／丙烯酰胺三元共聚物，获得的复合材料的吸水倍率达到872倍。