{"id":22307,"date":"2018-03-09T09:12:25","date_gmt":"2018-03-09T09:12:25","guid":{"rendered":"https:\/\/www.deberes.net\/tesis\/sin-categoria\/efecto-de-la-humedad-sobre-las-caractera%c2%adsticas-tecnologicas-de-copolimeros-de-almidon-y-metacrilato-de-metilo\/"},"modified":"2018-03-09T09:12:25","modified_gmt":"2018-03-09T09:12:25","slug":"efecto-de-la-humedad-sobre-las-caractera%c2%adsticas-tecnologicas-de-copolimeros-de-almidon-y-metacrilato-de-metilo","status":"publish","type":"post","link":"https:\/\/www.deberes.net\/tesis\/sevilla\/efecto-de-la-humedad-sobre-las-caractera%c2%adsticas-tecnologicas-de-copolimeros-de-almidon-y-metacrilato-de-metilo\/","title":{"rendered":"Efecto de la humedad sobre las caracter\u00edsticas tecnol\u00f3gicas de copolimeros de almid\u00f3n y metacrilato de metilo"},"content":{"rendered":"<h2>Tesis doctoral de <strong> Irene Bravo Osuna <\/strong><\/h2>\n<p>En este trabajo se ha procedido a un amplio y exhaustivo estudio del efecto de la humedad relativa (hr) sobre las caracter\u00edsticas tecnol\u00f3gicas de copolimeros de almid\u00f3n y metanilato de metilo. En una primera parte de desarrolla el estudio del comportamiento de estos productos frente a la humedad, observandose una gran influencia de la presencia de injerto hidr\u00f3fobo, no s\u00f3lo en la captaci\u00f3n de agua por parte de estos productos sino tambi\u00e9n en la distribuci\u00f3n de estos dentro de las part\u00edculas.  en una segunda parte se evalua el comportamiento de estos productos frente a la humedad en t\u00e9rminos de &#8212; y compactabilidad. Demostrando que el rango entre 25-50% hr  es el que maximiza dichas caracter\u00edsticas. Del mismo modo la elaboraci\u00f3n de comprimidos con estos productos puso de manifiesto ses rango de hr como el m\u00e1s idoneo atendiendo a los par\u00e1metros f\u00edsicos de los lotes obtenidos.  por \u00faltimo, en la tercera parte se lleva a cabo la elaboraci\u00f3n de comprimidos con formaciones de estos productos usando los f\u00e1rmacos modelos: &#8212; anhidra (muy poco soluble en agua) y sulfato de subtamol (muy suluble en agua), detectando, tras las correspondientes ensayos de disoluci\u00f3n \u00abin vitro\u00bb, un mecanismo de liberaci\u00f3n por difusi\u00f3n o trav\u00e9s de estas matrices para el primer f\u00e1rmaco y otro combinado de difusi\u00f3n m\u00e1s erosi\u00f3n pone el segundo.  en definitiva este trabajo ha permitido una profunda caracterizaci\u00f3n de las interacciones agua-s\u00f3lido pudiendose estabecer as\u00ed las condiciones m\u00e1s id\u00f3neas para su almacenamiento desde un punto de vista industrial.<\/p>\n<p>&nbsp;<\/p>\n<h3>Datos acad\u00e9micos de la tesis doctoral \u00ab<strong>Efecto de la humedad sobre las caracter\u00edsticas tecnol\u00f3gicas de copolimeros de almid\u00f3n y metacrilato de metilo<\/strong>\u00ab<\/h3>\n<ul>\n<li><strong>T\u00edtulo de la tesis:<\/strong>\u00a0 Efecto de la humedad sobre las caracter\u00edsticas tecnol\u00f3gicas de copolimeros de almid\u00f3n y metacrilato de metilo <\/li>\n<li><strong>Autor:<\/strong>\u00a0 Irene Bravo Osuna <\/li>\n<li><strong>Universidad:<\/strong>\u00a0 Sevilla<\/li>\n<li><strong>Fecha de lectura de la tesis:<\/strong>\u00a0 28\/03\/2003<\/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>Carmen Ferrero Rodriguez<\/li>\n<\/ul>\n<\/li>\n<li><strong>Tribunal<\/strong>\n<ul>\n<li>Presidente del tribunal: marina Herraez dominguez <\/li>\n<li>Luis G\u00f3mez-amoza jose (vocal)<\/li>\n<li>gilles Ponchel (vocal)<\/li>\n<li>ali Rajabi-siahboomi (vocal)<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Tesis doctoral de Irene Bravo Osuna En este trabajo se ha procedido a un amplio y exhaustivo estudio del efecto [&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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