Preparation and Characterization of Novel Polyimides from 2,6-bis[1-(p-dimethylaminophenylimino)ethyl] pyridine for the Selective Extraction of some Metals

被引：0
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作者：
Turgay Seckin
Süleyman Köytepe
机构：
[1] İnonu University,Chemistry Department
来源：
Polymer Bulletin | 2005年 / 55卷
关键词：
Polymer; Ethyl; Pyridine; Formic Acid; Polyimide;
D O I：
暂无
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学科分类号：
摘要：
A group of new polyimides has been prepared by solution condensation of 2,6-bis[1-(p-dimethylaminophenylimino)ethyl] pyridine containing pendant NMe2 units and various dianhyrides in N-methylpyrrolidone (NMP). The tridentate (N-N′-N) pydim ligands were prepared by Schiff-base condensation of 2,6-diacetylpyridine and 4-dimethylaminoaniline in the presence of formic acid as catalyst. These polymers were investigated for their extraction capabilities for Zn(II), Mn(II), Cu(II), Cd (II) and Ni(II) and at different pH. Under different conditions enhanced selectivity was observed. Up to 98% quantitative recoveries were observed for all metals.
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页码：41 / 49
页数：8
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