{"id":68675,"date":"2018-03-09T23:13:01","date_gmt":"2018-03-09T23:13:01","guid":{"rendered":"https:\/\/www.deberes.net\/tesis\/sin-categoria\/estudio-mediante-analisis-dielectrico-dinamomecanico-y-termogravimetrico-de-los-sistemas-curados-badgen0-m-xda-y-badgen0-trans-12-dch-y-monitorizacion-del-curado-de-dichos-sistemas-y-el-badge\/"},"modified":"2018-03-09T23:13:01","modified_gmt":"2018-03-09T23:13:01","slug":"estudio-mediante-analisis-dielectrico-dinamomecanico-y-termogravimetrico-de-los-sistemas-curados-badgen0-m-xda-y-badgen0-trans-12-dch-y-monitorizacion-del-curado-de-dichos-sistemas-y-el-badge","status":"publish","type":"post","link":"https:\/\/www.deberes.net\/tesis\/santiago-de-compostela\/estudio-mediante-analisis-dielectrico-dinamomecanico-y-termogravimetrico-de-los-sistemas-curados-badgen0-m-xda-y-badgen0-trans-12-dch-y-monitorizacion-del-curado-de-dichos-sistemas-y-el-badge\/","title":{"rendered":"Estudio mediante an\u00e1lisis diel\u00e9ctrico, dinamomec\u00e1nico y termogravim\u00e9trico de los sistemas curados badge(n=0)\/m-xda y badge(n=0)\/trans-1,2 dch y monitorizaci\u00f3n del curado de dichos sistemas y el badge(n=0)\/cis\/trans 1,2 dch"},"content":{"rendered":"<h2>Tesis doctoral de <strong> Silvia G\u00f3mez Barreiro <\/strong><\/h2>\n<p>Se utiliza el an\u00e1lisis diel\u00e9ctrico para la caracterizaci\u00f3n de los sistemas ya curados diglicidil ether de bisfenol a (badge(n=0))\/1,2 diaminociclohexano (1,2 dch) y badge(n=0)\/meta xililene  diamina (m-xda) en el mayor rango de temperaturas. Los resultados obtenidos fueron comparados con resultados que aparecen en la bibliograf\u00eda, algunos de ellos realizados en el propio grupo de investigaci\u00f3n al que pertenece la doctoranda. Se observa el modo en que la temperatura afecta a las propiedades diel\u00e9ctricas y dinamomec\u00e1nicas de los sistemas epox\u00eddicos estudiados.  en una segunda parte se utiliza la reometr\u00eda para caracterizar el curado de los sistemas badge(n=0)\/m-xda y badge(n=0)\/trans-1,2 dch. Esto permite precisar enormemente los tiempos de gelificaci\u00f3n y vitrificaci\u00f3n lo que permite construir parcialmente las curvas de gelificaci\u00f3n y vitrificaci\u00f3n.  adem\u00e1s se pretende iniciar una nueva l\u00ednea de investigaci\u00f3n caracterizando reom\u00e9tricamente el sistema badge(n=0)\/cis\/trans-1,2 dch con una mezcla de is\u00f3meros cis(30%) y trans(70%) de 1,2 dch.  se observa que la energ\u00eda de activaci\u00f3n tanto del proceso de gelificaci\u00f3n como de vitrificaci\u00f3n es menor para este \u00faltimo sistema que para el badge(n=0)\/trans-1,2 dch, lo que significa que la introducci\u00f3n de un 30% de is\u00f3mero cis disminuye la energ\u00eda de activaci\u00f3n de la reacci\u00f3n.  este comportamiento se explica en t\u00e9rminos de la disposici\u00f3n de los hidr\u00f3genos de los grupos amminos que aumenta el efecto catal\u00edtico de los grupos oh con lo que se reduce la energ\u00eda de activaci\u00f3n.<\/p>\n<p>&nbsp;<\/p>\n<h3>Datos acad\u00e9micos de la tesis doctoral \u00ab<strong>Estudio mediante an\u00e1lisis diel\u00e9ctrico, dinamomec\u00e1nico y termogravim\u00e9trico de los sistemas curados badge(n=0)\/m-xda y badge(n=0)\/trans-1,2 dch y monitorizaci\u00f3n del curado de dichos sistemas y el badge(n=0)\/cis\/trans 1,2 dch<\/strong>\u00ab<\/h3>\n<ul>\n<li><strong>T\u00edtulo de la tesis:<\/strong>\u00a0 Estudio mediante an\u00e1lisis diel\u00e9ctrico, dinamomec\u00e1nico y termogravim\u00e9trico de los sistemas curados badge(n=0)\/m-xda y badge(n=0)\/trans-1,2 dch y monitorizaci\u00f3n del curado de dichos sistemas y el badge(n=0)\/cis\/trans 1,2 dch <\/li>\n<li><strong>Autor:<\/strong>\u00a0 Silvia G\u00f3mez Barreiro <\/li>\n<li><strong>Universidad:<\/strong>\u00a0 Santiago de compostela<\/li>\n<li><strong>Fecha de lectura de la tesis:<\/strong>\u00a0 28\/06\/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>Lisardo Nu\u00f1ez Regueira<\/li>\n<\/ul>\n<\/li>\n<li><strong>Tribunal<\/strong>\n<ul>\n<li>Presidente del tribunal: Luis Espada recarey <\/li>\n<li>Jos\u00e9 Manuel Pere\u00f1a conde (vocal)<\/li>\n<li>Antonio Bello ant\u00f3n (vocal)<\/li>\n<li>giovanni Rialdi (vocal)<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Tesis doctoral de Silvia G\u00f3mez Barreiro Se utiliza el an\u00e1lisis diel\u00e9ctrico para la caracterizaci\u00f3n de los sistemas ya curados diglicidil [&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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