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Abstract:
本发明公开一种偕胺肟化球形木质素螯合吸附树脂及其制备方法:采用程序升温和交联固化的反相悬浮聚合技术,以浓缩的制浆黑液或红液为原料制备出球型木质素珠体,通过在球形木质素珠体上接枝共聚丙烯腈并进一步偕胺肟化制得粒径平均孔径为5~150nm,均一系数≤1.30,比表面积为30~480m2/g,含水率为55%~75%,堆积密度为0.60~0.73g/ml,堆积容积为2.25~5.80ml/g,偕胺肟基含量为6.51~15.85mmol/g,螯合吸附容量为5~15mmol/g的球形木质素螯合吸附树脂。本发明方法简单易行,生产成本低,可望在贵金属的富集回收、海水提铀等方面有实际应用价值。
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Patent Info :
Type: 发明授权
Patent No.: CN200810071809.8
Filing Date: 2008/9/18
Publication Date: 2010/4/21
Pub. No.: CN101357324B
公开国别: CN
Applicants: 福州大学
Legal Status: 授权
Cited Count:
WoS CC Cited Count: 0
SCOPUS Cited Count:
ESI Highly Cited Papers on the List: 0 Unfold All
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30 Days PV: 4
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