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Sorption of Pollutant Traces by Nanoporous Crystalline Aerogels: Visualization by a Dye
Author(s) -
Daniel Christophe,
Bernardo Fabio
Publication year - 2011
Publication title -
macromolecular symposia
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.257
H-Index - 76
eISSN - 1521-3900
pISSN - 1022-1360
DOI - 10.1002/masy.201150505
Subject(s) - sorption , nanoporous , materials science , porosity , chemical engineering , pollutant , polystyrene , nanopore , adsorption , nanotechnology , composite material , organic chemistry , chemistry , polymer , engineering
Summary: The influence of the crystalline structure on the pollutant sorption properties of high porosity syndiotactic polystyrene (sPS) aerogels has been made visible by using azulene, a blue dye, capable to form a clathrate phase with sPS. The bluish coloration observed for aerogels with the nanoporous δ‐form and the absence of coloration for aerogels with the densely‐packed γ‐form clearly establish that the crystalline nanopores play a key role for the removal of pollutant traces from water or air.