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Layered Silicates by Swelling of AMH‐3 and Nanocomposite Membranes
Author(s) -
Choi Sunho,
Coronas Joaquin,
Jordan Edgar,
Oh Weontae,
Nair Sankar,
Onorato Frank,
Shantz Daniel F.,
Tsapatsis Michael
Publication year - 2008
Publication title -
angewandte chemie international edition
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 5.831
H-Index - 550
eISSN - 1521-3773
pISSN - 1433-7851
DOI - 10.1002/anie.200703440
Subject(s) - swelling , nanocomposite , membrane , chemical engineering , materials science , chemistry , composite material , biochemistry , engineering
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.