该研究采用不除去丙烯酸中阻聚剂及不通氮气的工艺,以丙烯酸、腐植酸钠为原料,通过水溶液聚合法制备了聚丙烯酸-腐植酸钠复合高吸水树脂。研究结果表明：该复合高吸水树脂在丙烯酸的中和度为60%,腐植酸钠用量为1．0g,引发剂过硫酸钾用量为55mg,交联剂N,N′-亚甲基双丙烯酰胺用量为20mg时,吸蒸馏水量最大,为1200 g/g。
The poly acrylic acid-sodium humate composite super absorbent polymer was synthesized by aqueous solution polymerization through the technology of no nitrogen and not removing polymerization inhibitor in acrylic acid. In the synthesis process, acrylic acid and sodium humate were as monomer. The study results showed that when the neutralization degree of acrylic acid was 60%,the dosage of sodium humate was 1. 0g,the dosage of initia-tor( potassium persulfate) was 55mg, and the dosage of crosslinking agent ( N, N′-methylenebisacrylamide) was 20mg,the highest distilled water-absorbing capacity of the composite super absorbent polymer was 1200g/g.
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