Adsorption of cationic dyes within spherical particles of poly(N-isopropylacrylamide) hydrogel containing smectite

Takanori Nakamura, Makoto Ogawa

研究成果: Article

15 引用 (Scopus)

抜粋

Spherical particle of poly(N-isopropylacrylamide) hydrogel containing smectite clay (a synthetic saponite) was prepared by the polymerization of N-isopropylacrylamide in aqueous clay suspension. The diameter of the gel particle is 800-1300. nm and the clay content is 11. wt.% (clay/poly(N-isopropylacrylamide)). The gel particle was shown to be useful adsorbent of cationic species from water as a result of strong electrostatic interactions between smectites and the cationic species. Due to the fact that the cation adsorption capacity to the present hybrid hydrogel particles is determined by the cation exchange capacity of clay, the hydrogel particles containing clay are a useful scaffold to immobilize various cationic species to construct functional hybrid gel particles.

元の言語English
ページ(範囲)469-473
ページ数5
ジャーナルApplied Clay Science
83-84
DOI
出版物ステータスPublished - 2013 10

ASJC Scopus subject areas

  • Geochemistry and Petrology
  • Geology

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