摘要
用过硫酸铵作引发剂，合成了淀粉接枝丙烯酸共聚物高吸水树脂。实验结果表明：该吸水剂的吸水能力达700倍以上；最佳反应条件为：[（NH_4）_2S_2O_8]＝3.1×10~3mol／L，[AA]=25mol／L，T＝70℃，t=3h。
High water absorbent resin of graft copolymer of acrylic acid onto starch using ammoni-um persulfate as initiator was prepared. The experiment showed that water absorption reachedmore than 700 g/g, and the optimal condition was (NH_4)2S2O8 3. 0 ×10 ^(-3) mol/L, AA 2. 5 mol/L, temperature 70℃, time 3 h.
基金
湖北省教委1997年科学研究项目
关键词
高吸水树脂
淀粉接枝共聚物
接枝聚合
high water absorbent resin
starch
acrylic acid
graft copolymer
