不同产地坡缕石黏土对高吸水树脂吸水性能的影响

Effect of Palygorskite Clays from Different Zone on the Water Absorbency of Superabsorbent Composites

以玉米秸秆、丙烯酸、不同产地坡缕石黏土为原料合成复合高吸水树脂。通过红外光谱、X射线衍射、扫描电镜和热重分析来研究坡缕石黏土的结构和形态。通过红外光谱和扫描电镜对复合高吸水树脂形貌及结构进行了表征。研究了三地坡缕石黏土形态、结构及组成对高吸水树脂吸水保水性能的影响。结果显示,添加靖远坡缕石黏土的复合高吸水树脂有着最佳吸水保水性能。

A series of superabsorbent composites based on maize straw,acrylic acid,and palygorskite clays from different zones as the inorganic additives were synthesized through solution polymerization.The structure and morphologies of palygorskite clays were characterized by means of FTIR spectra,XRD,SEM and thermogravimetry analysis techniques.The structure and morphologies of the superabsorbent composites were characterized by means of FTIR and SEM.The composition,structure and morphologies of palygorskite clays and their effects on the water absorbency and water retention of the composites were investigated.The results indicate that the superabsorbent composite based on palygorskite clay from Jingyuan shows the best water absorbency and water retention ability.