Extreme emulsification: formation and structure of nanoemulsions
Nanoemulsions are metastable dispersions of nanodroplets of one liquid that have been ruptured by shear in another immiscible liquid. The ruptured droplets are stabilized against subsequent coalescence by a surfactant. Because the nanodroplets do not form spontaneously, as they can in lyotropic “m...
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| Veröffentlicht in: | Condensed Matter Physics |
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| Datum: | 2006 |
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Інститут фізики конденсованих систем НАН України
2006
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| Zitieren: | Extreme emulsification: formation and structure of nanoemulsions / T.G. Mason, S.M. Graves, J.N. Wilking, M.Y. Lin // Condensed Matter Physics. — 2006. — Т. 9, № 1(45). — С. 193–199. — Бібліогр.: 17 назв. — англ. |
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Mason, T.G. Graves, S.M. Wilking, J.N. Lin, M.Y. 2017-06-14T04:47:04Z 2017-06-14T04:47:04Z 2006 Extreme emulsification: formation and structure of nanoemulsions / T.G. Mason, S.M. Graves, J.N. Wilking, M.Y. Lin // Condensed Matter Physics. — 2006. — Т. 9, № 1(45). — С. 193–199. — Бібліогр.: 17 назв. — англ. 1607-324X PACS: 82.70.Kj, 61.46.-w, 61.12.Ex DOI:10.5488/CMP.9.1.193 https://nasplib.isofts.kiev.ua/handle/123456789/121314 Nanoemulsions are metastable dispersions of nanodroplets of one liquid that have been ruptured by shear in another immiscible liquid. The ruptured droplets are stabilized against subsequent coalescence by a surfactant. Because the nanodroplets do not form spontaneously, as they can in lyotropic “microemulsion” phases, the structure of nanoemulsions is primarily dependent on the history of the applied shear stresses relative to the interfacial restoring stresses. By applying extremely high shear rates and controlling the composition of the emulsion, we have been able to rupture microscale droplets down to diameters as small as 30 nm in a microfluidic process that yields bulk quantities suitable for commercial production. Following ultracentrifugal fractionation to make the droplets uniform, we study the structure of these emulsions using small angle neutron scattering (SANS) at dilute and concentrated volume fractions. We contrast the structure of a concentrated nanoemulsion with the structure factor of hard spheres at a similar volume fraction. We thank Dr. John McTague for supporting this research through the McTague Career Development Chair at UCLA. We thank NIST for the NG–7 SANS beam time. en Інститут фізики конденсованих систем НАН України Condensed Matter Physics Extreme emulsification: formation and structure of nanoemulsions Екстремальна емульсифікація: формування та структура наноемульсій Article published earlier |
| institution |
Digital Library of Periodicals of National Academy of Sciences of Ukraine |
| collection |
DSpace DC |
| title |
Extreme emulsification: formation and structure of nanoemulsions |
| spellingShingle |
Extreme emulsification: formation and structure of nanoemulsions Mason, T.G. Graves, S.M. Wilking, J.N. Lin, M.Y. |
| title_short |
Extreme emulsification: formation and structure of nanoemulsions |
| title_full |
Extreme emulsification: formation and structure of nanoemulsions |
| title_fullStr |
Extreme emulsification: formation and structure of nanoemulsions |
| title_full_unstemmed |
Extreme emulsification: formation and structure of nanoemulsions |
| title_sort |
extreme emulsification: formation and structure of nanoemulsions |
| author |
Mason, T.G. Graves, S.M. Wilking, J.N. Lin, M.Y. |
| author_facet |
Mason, T.G. Graves, S.M. Wilking, J.N. Lin, M.Y. |
| publishDate |
2006 |
| language |
English |
| container_title |
Condensed Matter Physics |
| publisher |
Інститут фізики конденсованих систем НАН України |
| format |
Article |
| title_alt |
Екстремальна емульсифікація: формування та структура наноемульсій |
| description |
Nanoemulsions are metastable dispersions of nanodroplets of one liquid that have been ruptured by shear in
another immiscible liquid. The ruptured droplets are stabilized against subsequent coalescence by a surfactant.
Because the nanodroplets do not form spontaneously, as they can in lyotropic “microemulsion” phases,
the structure of nanoemulsions is primarily dependent on the history of the applied shear stresses relative to
the interfacial restoring stresses. By applying extremely high shear rates and controlling the composition of
the emulsion, we have been able to rupture microscale droplets down to diameters as small as 30 nm in a
microfluidic process that yields bulk quantities suitable for commercial production. Following ultracentrifugal
fractionation to make the droplets uniform, we study the structure of these emulsions using small angle neutron
scattering (SANS) at dilute and concentrated volume fractions. We contrast the structure of a concentrated
nanoemulsion with the structure factor of hard spheres at a similar volume fraction.
|
| issn |
1607-324X |
| url |
https://nasplib.isofts.kiev.ua/handle/123456789/121314 |
| citation_txt |
Extreme emulsification: formation and structure of nanoemulsions / T.G. Mason, S.M. Graves, J.N. Wilking, M.Y. Lin // Condensed Matter Physics. — 2006. — Т. 9, № 1(45). — С. 193–199. — Бібліогр.: 17 назв. — англ. |
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| first_indexed |
2025-12-07T18:05:31Z |
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2025-12-07T18:05:31Z |
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