Halloysite nanotube with fluorinated lumen: Non-foaming nanocontainer for storage and controlled release of oxygen in aqueous media

被引：68

作者：

Cavallaro, Giuseppe ^{[1
]}

Lazzara, Giuseppe ^{[1
]}

Milioto, Stefana ^{[1
]}

Palmisano, Giovanni ^{[1
]}

Parisi, Filippo ^{[1
]}

机构：

[1] Univ Palermo, Dept Chem & Phys, I-90128 Palermo, Italy

来源：

JOURNAL OF COLLOID AND INTERFACE SCIENCE | 2014年 / 417卷

关键词：

Halloysite; Nanoclay; Fluorinated surfactant; Gas solubilization; APPARENT MOLAR VOLUMES; CLAY;

D O I：

10.1016/j.jcis.2013.11.026

中图分类号：

O64 [物理化学（理论化学）、化学物理学];

学科分类号：

070305 [高分子化学与物理];

摘要：

Halloysite clay nanotubes were selectivity modified by adsorbing perfluoroalkylated anionic surfactants at the inner surface. The modified nanotubes formed kinetically stable dispersions due to the enhanced electrostatic repulsions exercised between the particles. We proved that the modified nanotubes can be used as non-foaming oxygen nanocontainers in aqueous media. The gas release from supersaturated dispersions can be controlled by external stimuli and system composition. In conclusion, we managed to put forward an easy strategy to develop smart materials from natural nanoclays, which can endow important applications like the storage and delivery of gas. (C) 2013 Elsevier Inc. All rights reserved.

引用

页码：66 / 71

页数：6

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