摘要
用过硫酸钾作引发剂、通过水溶液聚合法制得了聚 (丙烯酸盐 -海藻酸钠 )耐盐性高吸水树脂 .研究了海藻酸钠及引发剂用量 ,中和度及复合碱的配比等对吸水率及凝胶强度的影响 .结果表明 ,制得的吸水剂在室温下 3 0 min吸蒸馏水和质量分数为 0 .9%氯化钠水溶液分别约为其自身质量的 1 0 0 0倍和 85倍 。
A superabsorbent resistant to saline solution was prepared from copolymer of sodium acrylate with sodium polymannuronate. The effects of the amount of sodium polymannuronate and initiator , degree of neutralization of acrylic acid, mole ratio of KOH to Na 2CO 3 on water absorbency(WA) and the hydrogel modulus of the copolymer were investigated. The results showed that WA of the superabsorbent was about 1 000 and 85 times its own mass respectively, if the superabsorbent was allowed to swell in distilled water and 0 9%(mass fraction) aqueous NaCl at room temperature for 30 min. The superabsorbent also had excellent hydrogel modulus.
出处
《应用化学》
CAS
CSCD
北大核心
2002年第5期455-458,共4页
Chinese Journal of Applied Chemistry
基金
兰州大学博士科研启动基金资助项目 (5 18-870 881)
关键词
高吸水树脂
制备
聚(丙烯酸盐-海藻酸钠)
superabsorbent,preparation,poly(sodium acrylate co sodium polymannuronate)
