Synthesis of hydrogel beads having phosphinic acid groups and its adsorption ability for lanthanide ions

被引：15

作者：

Ogata, Tomonari ^{[1
]}

Nagayoshi, Kana ^{[1
]}

Nagasako, Tadashi ^{[1
]}

Kurihara, Seiji ^{[1
]}

Nonaka, Takamasa ^{[1
]}

机构：

[1] Kumamoto Univ, Fac Engn, Dept Appl Chem & Biochem, Kumamoto 8608555, Japan

来源：

REACTIVE & FUNCTIONAL POLYMERS | 2006年 / 66卷 / 06期

关键词：

hydrogel beads; suspension polymerization; adsorption of lanthanide ion; phosphinic acid group;

D O I：

10.1016/j.reactfunctpolym.2005.10.015

中图分类号：

O69 [应用化学];

学科分类号：

081704 [应用化学];

摘要：

Hydrophilic copolymer beads, APPO-DMAAm-4G having phosphinic acid groups were prepared by suspension copolymerization of acryloyloxypropyl n-octylphosphinic acid (APPO), NN-dimethylacrylamide (DMAAm), and tetraethyleneglycol dimethacrylate (4G) dissolved in chloroform in a saturated Na2SO4 aqueous solution in the presence of surfactant and MgCO3. The adsorption abilities for metal ions of the copolymer beads were studied. The APPO-DMAAm-4G copolymer beads had higher adsorption ability for lanthanide metal ions (Eu3+, Sm3+, Nd3+ or La3+). Furthermore, it was also found that the APPO-DMAAm-4G copolymer beads had selective adsorption ability for lanthanide metal ions in the following order: EU3+ > SM3+ > Nd3+ > La3+. (c) 2005 Elsevier B.V. All rights reserved.

引用

页码：625 / 633

页数：9

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