管式反应器连续制备颗粒状魔芋超强吸水剂
Gongneng Cailiao/Journal of Functional Materials（2013）
Abstract
将各反应物溶液采用比例泵泵入管式反应器,反应一定时间后经压力喷射装置喷射形成液滴,液滴在被加热的连续相中进一步完成反应和干燥,实现连续制备颗粒状魔芋超强吸水剂。交联剂与 KGM质量比为0.29,引发剂与 KGM质量比为0.45,管道内径为4mm,管道长度为36m,流动反应时间为25min,管道加热温度为78℃,喷射压力为0.7MPa,连续相聚乙二醇600,温度为80℃时得到了吸纯水倍率为411g/g且平均粒径为1.65mm的球形颗粒状产品。
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Key words
Continuous granulation,Konjac superabsorbent polymer,Tubular reactor
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