Transport properties of cross-linked fullerenol-PVA membranes

被引：48
|
作者：
Penkova, Anastasia V. [1 ]
Acquah, Steve F. A. [2 ]
Dmitrenko, Maria E. [1 ]
Chen, Banghao [2 ]
Semenov, Konstantin N. [1 ]
Kroto, Harold W. [2 ]
机构：
[1] St Petersburg State Univ, Inst Chem, St Petersburg 199034, Russia
[2] Florida State Univ, Dept Chem & Biochem, Tallahassee, FL 32306 USA
来源：
CARBON | 2014年 / 76卷
关键词：
POLY(VINYL ALCOHOL);
D O I：
10.1016/j.carbon.2014.04.053
中图分类号：
O64 [物理化学（理论化学）、化学物理学];
学科分类号：
070304 ; 081704 ;
摘要：
Polyhydroxy fullerenes such as fullerenol C-60(OH)(22-24) have helped to bridge the gap between fullerenes and their innate solubility issues, where fullerenol solubility in water is 50 mg/ml whereas C-60 solubility is 1.3 x 10(-11) mg/ml. The improved solubility of these fullerene derivatives allows them to be better integrated into composite materials. Here we investigated the transport properties of cross-linked fullerenol-polyvinyl alcohol membranes with the addition of maleic acid for increased stability. High humidity causes the mechanical properties of polyvinyl alcohol to decrease. Using fullerenol as a crosslinker, we were able to decrease the sorption of water with these PVA membranes. (C) 2014 Elsevier Ltd. All rights reserved.
引用
收藏
页码：446 / 450
页数：5
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