{"id":20633,"date":"2018-03-09T09:10:02","date_gmt":"2018-03-09T09:10:02","guid":{"rendered":"https:\/\/www.deberes.net\/tesis\/sin-categoria\/caracterizacion-fasica-y-reologica-de-sistemas-de-ctab-con-alcoholes-polifuncionales-modificados-por-n-octil-beta-d-glucosido\/"},"modified":"2018-03-09T09:10:02","modified_gmt":"2018-03-09T09:10:02","slug":"caracterizacion-fasica-y-reologica-de-sistemas-de-ctab-con-alcoholes-polifuncionales-modificados-por-n-octil-beta-d-glucosido","status":"publish","type":"post","link":"https:\/\/www.deberes.net\/tesis\/alcala\/caracterizacion-fasica-y-reologica-de-sistemas-de-ctab-con-alcoholes-polifuncionales-modificados-por-n-octil-beta-d-glucosido\/","title":{"rendered":"Caracterizaci\u00f3n f\u00e1sica y reol\u00f3gica de sistemas de ctab con alcoholes polifuncionales modificados por n-octil beta-d-gluc\u00f3sido"},"content":{"rendered":"<h2>Tesis doctoral de <strong>  Cort\u00e9s Fuentes Ana Bel\u00e9n <\/strong><\/h2>\n<p>En esta tesis doctoral se ha realizado el estudio del comportamiento f\u00e1sico y reol\u00f3gico de los sistemas ternarios ctab\/glicerol\/agua y ctab\/gliceraldeh\u00eddo\/agua y del sistema seudoternario ctab + n-octil beta-d-gluc\u00f3sido (1%, c8g1)\/glicerol\/agua. tambi\u00e9n se ha delimitado el diagrama de fases del sistema seudoternario ctab + n-octil beta-d-gluc\u00f3sido (1%, c8g1)\/gliceraldeh\u00eddo\/agua.  en primer lugar se han elaborado los diagramas de fases a 30.0 +- 0.1\u00c2\u00bac de los sistemas ternarios, delimit\u00e1ndose las fases de micela sy critales l\u00edquidos hexagonales. Estas fases se han caracterizado utilizando medidas de conductividad, microscop\u00eda \u00f3ptica con polarizadores cruzados y reolog\u00eda de flujo y oscilaci\u00f3n. De su caracterizaci\u00f3n se obtiene que las fases micelares est\u00e1n constituidas por micelas directas que, salvo a contenidos muy altos de ctab, se comportan como fluidos newtonianos. S\u00f3lo a los mayores contenidos de ctab de la fase micelar, glicerol y gliceraldehido interaccionan fuertemente con las micelas, provocando inicialmente un aumento del tama\u00f1o de las mismas para su posterior ruptura. Las muestras de la fase exagonal presentan la t\u00edpica textura en abanico y se comportan como fluidos no newtonianos con un acusado descenso de la viscosidad con el aumento de la velocidad de cizalla.  la influencia de la incorporaci\u00f3n del alquilgluc\u00f3sido en el comportamiento f\u00e1sico y reol\u00f3gico del sistema con glicerol se ha estudiado mediante microscop\u00eda \u00f3ptica con polarizadores cruzados, reolog\u00eda de flujo y oscilaci\u00f3n y difusi\u00f3n de neutrones a \u00e1ngulo peque\u00f1o (sans). De este estudio se obtiene una nueva fase de cristal l\u00edquido, la fase nem\u00e1tica, y las fases micelar y hexagonal experimentan una ampliaci\u00f3n. Las micelas a altos contenidos de tensioactivos y de glicerol sufren una transici\u00f3n estructural bajo la aplicaci\u00f3n de fuerzas de cizalla. Las muestras de la fase nem\u00e1tica presentan un comportamiento seudopl\u00e1stico, con un plateau a<\/p>\n<p>&nbsp;<\/p>\n<h3>Datos acad\u00e9micos de la tesis doctoral \u00ab<strong>Caracterizaci\u00f3n f\u00e1sica y reol\u00f3gica de sistemas de ctab con alcoholes polifuncionales modificados por n-octil beta-d-gluc\u00f3sido<\/strong>\u00ab<\/h3>\n<ul>\n<li><strong>T\u00edtulo de la tesis:<\/strong>\u00a0 Caracterizaci\u00f3n f\u00e1sica y reol\u00f3gica de sistemas de ctab con alcoholes polifuncionales modificados por n-octil beta-d-gluc\u00f3sido <\/li>\n<li><strong>Autor:<\/strong>\u00a0  Cort\u00e9s Fuentes Ana Bel\u00e9n <\/li>\n<li><strong>Universidad:<\/strong>\u00a0 Alcal\u00e1<\/li>\n<li><strong>Fecha de lectura de la tesis:<\/strong>\u00a0 13\/12\/2002<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<h3>Direcci\u00f3n y tribunal<\/h3>\n<ul>\n<li><strong>Director de la tesis<\/strong>\n<ul>\n<li>Mercedes Valiente Mart\u00ednez<\/li>\n<\/ul>\n<\/li>\n<li><strong>Tribunal<\/strong>\n<ul>\n<li>Presidente del tribunal:  Rodrigo l\u00f3pez m. melia <\/li>\n<li>ramon Pons pons (vocal)<\/li>\n<li> Sierra ortega m. Luisa (vocal)<\/li>\n<li>michael Gradzielski (vocal)<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Tesis doctoral de Cort\u00e9s Fuentes Ana Bel\u00e9n En esta tesis doctoral se ha realizado el estudio del comportamiento f\u00e1sico y [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"site-sidebar-layout":"default","site-content-layout":"","ast-site-content-layout":"","site-content-style":"default","site-sidebar-style":"default","ast-global-header-display":"","ast-banner-title-visibility":"","ast-main-header-display":"","ast-hfb-above-header-display":"","ast-hfb-below-header-display":"","ast-hfb-mobile-header-display":"","site-post-title":"","ast-breadcrumbs-content":"","ast-featured-img":"","footer-sml-layout":"","theme-transparent-header-meta":"","adv-header-id-meta":"","stick-header-meta":"","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":"","astra-migrate-meta-layouts":"default","ast-page-background-enabled":"default","ast-page-background-meta":{"desktop":{"background-color":"var(--ast-global-color-4)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-gradient":""},"tablet":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-gradient":""},"mobile":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-gradient":""}},"ast-content-background-meta":{"desktop":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-gradient":""},"tablet":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-gradient":""},"mobile":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-gradient":""}},"footnotes":""},"categories":[17426],"tags":[62670,62671,62674,62673,62672,31883],"class_list":["post-20633","post","type-post","status-publish","format-standard","hentry","category-alcala","tag-cortes-fuentes-ana-belen","tag-mercedes-valiente-Martinez","tag-michael-gradzielski","tag-ramon-pons-pons","tag-rodrigo-lopez-m-melia","tag-sierra-ortega-m-luisa"],"_links":{"self":[{"href":"https:\/\/www.deberes.net\/tesis\/wp-json\/wp\/v2\/posts\/20633","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.deberes.net\/tesis\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.deberes.net\/tesis\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.deberes.net\/tesis\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.deberes.net\/tesis\/wp-json\/wp\/v2\/comments?post=20633"}],"version-history":[{"count":0,"href":"https:\/\/www.deberes.net\/tesis\/wp-json\/wp\/v2\/posts\/20633\/revisions"}],"wp:attachment":[{"href":"https:\/\/www.deberes.net\/tesis\/wp-json\/wp\/v2\/media?parent=20633"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.deberes.net\/tesis\/wp-json\/wp\/v2\/categories?post=20633"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.deberes.net\/tesis\/wp-json\/wp\/v2\/tags?post=20633"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}