Layered silicates by swelling of AMH-3 and nanocomposite membranes

被引:95
作者
Choi, Sunho [1 ]
Coronas, Joaquin [2 ]
Jordan, Edgar [3 ]
Oh, Weontae [4 ]
Nair, Sankar [5 ]
Onorato, Frank [6 ]
Shantz, Daniel F. [3 ]
Tsapatsis, Michael [1 ]
机构
[1] Univ Minnesota, Dept Chem Engn & Mat Sci, Minneapolis, MN 55455 USA
[2] Univ Zaragoza, Dept Environm Chem & Engn, Zaragoza 50018, Spain
[3] Texas A&M Univ, Artie McFerrin Dept Chem Engn, College Stn, TX 77843 USA
[4] Dong Eui Univ, Dept Nano Technol, Pusan 641714, South Korea
[5] Georgia Inst Technol, Sch Chem & Biomol Engn, Atlanta, GA 30332 USA
[6] Pall Corp, New Business & Technol Ctr, Port Washington, NY 11050 USA
关键词
intercalations; membranes; microporous materials; nanostructures; organic-inorganic hybrid composites;
D O I
10.1002/anie.200703440
中图分类号
O6 [化学];
学科分类号
0703 ;
摘要
(Chemical Equation Presented) Filling in: A new layered silicate material is prepared from a 3D porous silicate framework (AMH-3) by a novel procedure involving ion exchange and sequential intercalation. Layers of swollen AMH-3 are incorporated into a polymer, resulting in a mixed-matrix nanocomposite (see picture). The room-temperature hydrogen/carbon dioxide ideal selectivity of the swollen nanocomposite membranes is improved by a factor of two compared to the pure polymer. © 2008 Wiley-VCH Verlag GmbH & Co. KGaA.
引用
收藏
页码:552 / 555
页数:4
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