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Physical Review E
We have characterized a montmorillonite-based organoclay dispersed in three different nonaqueous solvents using a combination of x-ray scattering, small-angle neutron scattering ͑SANS͒, and ultrasmall angle neutron scattering ͑USANS͒, together with rheological measurements. Consistent with these measurements, we present a structural model for the incompletely dispersed clay as consisting of randomly oriented tactoids made of partially overlapping clay sheets, with transverse dimensions ofdoi:10.1103/physreve.75.021403 pmid:17358338 fatcat:kra7szzaobgsjggmv75stlmve4