Abstract:The molecular structures
of polyamide barrier layers in reverse
osmosis membranes, made by interfacial polymerization of m-phenylenediamine and trimesoyl chloride under different reaction
and post-treatment conditions, were characterized by grazing incidence
wide-angle X-ray scattering (GIWAXS). The molecular backbone packing
is consistent with two different aromatic molecular packing motifs
(parallel and perpendicular) with preferential surface-induced orientation.
The results suggest that the perpendicular, … Show more
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