{"id":71519,"date":"2018-03-09T23:16:12","date_gmt":"2018-03-09T23:16:12","guid":{"rendered":"https:\/\/www.deberes.net\/tesis\/sin-categoria\/sistemas-polimericos-multicomponentes-como-materiales-barrera\/"},"modified":"2018-03-09T23:16:12","modified_gmt":"2018-03-09T23:16:12","slug":"sistemas-polimericos-multicomponentes-como-materiales-barrera","status":"publish","type":"post","link":"https:\/\/www.deberes.net\/tesis\/quimica\/sistemas-polimericos-multicomponentes-como-materiales-barrera\/","title":{"rendered":"Sistemas polimericos multicomponentes como materiales barrera"},"content":{"rendered":"<h2>Tesis doctoral de <strong> Almudena Garcia Diaz <\/strong><\/h2>\n<p>Tras realizar la descripci\u00f3n de los conceptos m\u00e1s importantes en las propiedades barrera, las v\u00edas para modificar estas propiedades, y las t\u00e9cnicas experimentales, se caracterizan los materiales objeto de estudio, haciendo especial hincapi\u00e9 en el volumen libre de los mismos. En los \u00faltimos cap\u00edtulos se realiza una comparativa entre las t\u00e9cnicas utilizadas para determinar sus propiedades barrera as\u00ed como la modificaci\u00f3n de los diferentes materiales con el objeto de mejorarlas. Para ello se desarrolla un estudio detallado de las propiedades de transporte de una poliamida amorfa, su modificaci\u00f3n, bien mediante la adici\u00f3n de antiplastificantes que reduzcan el volumen libre, reduciendo a su vez la difusi\u00f3n; bien mediante nanoarcillas que la reducen por un aumento de la tortuosidad en su camino. Esta segunda alternativa tambi\u00e9n ha sido aplicada a la poliamida 6 y al polietileno.<\/p>\n<p>&nbsp;<\/p>\n<h3>Datos acad\u00e9micos de la tesis doctoral \u00ab<strong>Sistemas polimericos multicomponentes como materiales barrera<\/strong>\u00ab<\/h3>\n<ul>\n<li><strong>T\u00edtulo de la tesis:<\/strong>\u00a0 Sistemas polimericos multicomponentes como materiales barrera <\/li>\n<li><strong>Autor:<\/strong>\u00a0 Almudena Garcia Diaz <\/li>\n<li><strong>Universidad:<\/strong>\u00a0 Pa\u00eds vasco\/euskal herriko unibertsitatea<\/li>\n<li><strong>Fecha de lectura de la tesis:<\/strong>\u00a0 29\/11\/2004<\/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>Cristina Uriarte Toledo<\/li>\n<\/ul>\n<\/li>\n<li><strong>Tribunal<\/strong>\n<ul>\n<li>Presidente del tribunal: Juan  jos\u00e9 Iruin sanz <\/li>\n<li>Carlos enrique Alem\u00e1n llans\u00f3 (vocal)<\/li>\n<li> Del rio esteban Francisco Javier (vocal)<\/li>\n<li>enrique Gimenez torres (vocal)<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Tesis doctoral de Almudena Garcia Diaz Tras realizar la descripci\u00f3n de los conceptos m\u00e1s importantes en las propiedades barrera, las [&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 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