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在交联剂N,N′-亚甲基双丙烯酰胺(NMBA)的作用下,单体2-丙烯酰胺基-2-甲基丙磺酸(AMPS)、丙烯酸(AA)、顺丁烯二酸酐(MA)和淀粉(St)以溶液热聚合的方式合成四元共聚吸附剂。采用单因素法探究了反应条件对树脂吸附亚甲基蓝染料性能的影响,得到最佳的树脂合成工艺条件。实验结果表明:n(AMPS)∶n(AA)∶n(MA)∶W(St)=1∶0.5∶0.1∶1.98(wt,质量分数,下同),pH=2,W(NMBA)=0.1%,固含量为31%时,该树脂的吸附量最大,为106.35mg/g。
Under the action of crosslinker N, N’-methylenebisacrylamide (NMBA), the monomers 2-acrylamido-2-methylpropanesulfonic acid (AMPS), acrylic acid (AA) Anhydride (MA) and starch (St) were synthesized by solution thermal polymerization of the tetrapolymer adsorbent. The influence of reaction conditions on the performance of resin adsorbed methylene blue dye was investigated by single factor method, and the best resin synthesis conditions were obtained. The experimental results show that: n (AMPS): n (AA): n (MA): W (St) = 1: 0.5: 0.1: 1.98 (wt, mass fraction) 0.1%, the solid content of 31%, the resin adsorption capacity of the largest, 106.35mg / g.