New Gel-Like Polymers As Selective Weak-Base Anion Exchangers

被引：8

作者：

Gierczyk, Blazej ^{[1
]}

Ceglowski, Michal ^{[1
]}

Zalas, Maciej ^{[1
]}

机构：

[1] Adam Mickiewicz Univ, Fac Chem, PL-60780 Poznan, Poland

来源：

PLOS ONE | 2015年 / 10卷 / 05期

关键词：

ADSORPTION-ISOTHERMS; REMOVAL; SORPTION; CHITOSAN; WATER; ARSENIC(V); ARSENATE; RECOVERY;

D O I：

10.1371/journal.pone.0122891

中图分类号：

O [数理科学和化学]; P [天文学、地球科学]; Q [生物科学]; N [自然科学总论];

学科分类号：

07 ; 0710 ; 09 ;

摘要：

A group of new anion exchangers, based on polyamine podands and of excellent ion-binding capacity, were synthesized. The materials were obtained in reactions between various poly(ethyleneamines) with glycidyl derivatives of cyclotetrasiloxane. The final polymeric, strongly cross-linked materials form gel-like solids. Their structures and interactions with anions adsorbed were studied by spectroscopic methods (CP-MAS NMR, FR-IR, UV-Vis). The sorption isotherms and kinetic parameters were determined for 29 anions. Materials studied show high ion capacity and selectivity towards some important anions, e.g., selenate(VI) or perrhenate.

引用

页数：23

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