Journal
JOURNAL OF COLLOID AND INTERFACE SCIENCE
Volume 245, Issue 1, Pages 68-74Publisher
ACADEMIC PRESS INC ELSEVIER SCIENCE
DOI: 10.1006/jcis.2001.7999
Keywords
small-angle neutron scattering; vesicle; polymerization; nanostructured particles; templating
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Hollow polymer spheres synthesized from a vesicle-directed polymerization can be dried and redispersed in water using a variety, of nonionic ethoxylated alcohol surfactants as stabilizers. The final dispersions consist of both polymer shells and surfactant micelles, which remain together in colloidal suspension for at least several months. Small-angle neutron scattering (SANS) is used to measure the polymer shell thickness (63 Angstrom) and core radius (560 Angstrom) of the surfactant-stabilized hollow polymer spheres in the presence of surfactant micelles. Characterization by SANS provides information about the surfactant bilayer and polymer shell thicknesses which were previously unattainable. (C) 2002 Elsevier Science.
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