摘要
以丙烯酸(钠)、辉沸石为主要原料,以N,N'-亚甲基双丙烯酰胺为交联剂、过硫酸钾为引发剂,采用水溶液聚合法合成了辉沸石/聚丙烯酸(钠)高吸水保水性复合材料,并以吸液倍率为考察指标,通过设计正交实验,得到在固定单体浓度为25%的情况下的最佳合成条件为:反应温度为75℃,辉沸石用量为20%,中和度为90%,交联剂用量为0.1%,引发剂用量为0.2%。通过离心保水对其保水性能进行研究,表明该复合材料保水性能很好;通过热稳定性研究,表明其热稳定性较好。
High absorption and retention stilbite/PAANa composite was synthesized by water-solution copolyrnerization with stilbite and acrylic acid as principal raw materials, with N.N＇-methylene-bis-acrylamideand as crosslinker,and with potassium persulphate as initiator, A study was made to discuss the influence of the stilbite content, crosslinker, initiator, the neutralization degree,the mass fraction of monomer and the reaction temperature on the solution absorption performance. The experiment indicated that,under the best conditions the absorption performance of composite was the best. At the same time, the retention performance and therm-stability were studied.The composite had a good retention performance by centrifuge and its therm-stability was fairly excellent.
出处
《非金属矿》
CAS
CSCD
北大核心
2006年第1期20-23,共4页
Non-Metallic Mines
基金
国家863计划资助项目(项目编号:2002AA2Z4171
2005AA2Z4031)
