Self-assembly Of Complex Salts Of Cationic Surfactants And Anionic-neutral Block Copolymers. Dispersions With Liquid-crystalline Internal Structure

dc.creatorVitorazi L.
dc.creatorBerret J.-F.
dc.creatorLoh W.
dc.date2013
dc.date2015-06-25T19:17:27Z
dc.date2015-11-26T15:15:20Z
dc.date2015-06-25T19:17:27Z
dc.date2015-11-26T15:15:20Z
dc.date.accessioned2018-03-28T22:25:10Z
dc.date.available2018-03-28T22:25:10Z
dc.identifier
dc.identifierLangmuir. , v. 29, n. 46, p. 14024 - 14033, 2013.
dc.identifier7437463
dc.identifier10.1021/la402624u
dc.identifierhttp://www.scopus.com/inward/record.url?eid=2-s2.0-84888380791&partnerID=40&md5=49661d7dfe3be365daf7387ed11c504d
dc.identifierhttp://www.repositorio.unicamp.br/handle/REPOSIP/89554
dc.identifierhttp://repositorio.unicamp.br/jspui/handle/REPOSIP/89554
dc.identifier2-s2.0-84888380791
dc.identifier.urihttp://repositorioslatinoamericanos.uchile.cl/handle/2250/1258996
dc.descriptionWe report the synthesis of complex salts made from the cationic surfactant dodecyltrimethylammonium and diblock copolymers poly(acrylic acid)-block-poly(acrylamide) of different molecular weights. In water, the complex salts self-assemble into stable hierarchical aggregates with a dense core and a diffuse shell. In contrast to earlier reports, the surfactant/polymer aggregates exhibit a liquid crystalline structure of Pm3n cubic symmetry. The crystal structure is analogous to that obtained with homopolymer. Size and aggregation numbers were estimated from a combination of light and small-angle X-ray scattering experiments. It is found that the size of the aggregates decreases with increasing diblock asymmetry. The complex salt methodology presents many advantages, among which to be insensitive to the preparation conditions and to the mixing pathway. © 2013 American Chemical Society.
dc.description29
dc.description46
dc.description14024
dc.description14033
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dc.languageen
dc.publisher
dc.relationLangmuir
dc.rightsfechado
dc.sourceScopus
dc.titleSelf-assembly Of Complex Salts Of Cationic Surfactants And Anionic-neutral Block Copolymers. Dispersions With Liquid-crystalline Internal Structure
dc.typeArtículos de revistas


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