{"id":88680,"date":"2018-03-10T00:13:42","date_gmt":"2018-03-10T00:13:42","guid":{"rendered":"https:\/\/www.deberes.net\/tesis\/sin-categoria\/polisiloxanos-reactivos-agentes-de-compatibilizacion-y-curado\/"},"modified":"2018-03-10T00:13:42","modified_gmt":"2018-03-10T00:13:42","slug":"polisiloxanos-reactivos-agentes-de-compatibilizacion-y-curado","status":"publish","type":"post","link":"https:\/\/www.deberes.net\/tesis\/quimica\/polisiloxanos-reactivos-agentes-de-compatibilizacion-y-curado\/","title":{"rendered":"Polisiloxanos reactivos. agentes de compatibilizaci\u00f3n y curado"},"content":{"rendered":"<h2>Tesis doctoral de <strong> Juan  Carlos Cabanelas Valcarcel <\/strong><\/h2>\n<p>Se han preparado diferentes recubrimiemtos de la superficie de fibras de vidrio con diferentes agentes de acoplamiento silano, 3-aminopropiltrietoxisilano aptes y poli-(3-aminopropilmetilsiloxano) pams. Los recubrimientos se han caracterizdo desarrollando m\u00e9todos de an\u00e1lisis basados en el empleo de marcadores fluorescentes (cloruro de dansilo, dns, y cloruro de 1-pirenosulfonilo, p y s), relacionando el metodo de silanizaci\u00f3n y la estructura de la capa superficial. Se ha determinado la existencia de relajaciones a baja temperatura en pliaminosiloxanos de bajo peso molecular. La absorci\u00f3n sobre un sustrato sil\u00edcico incrementa la temperatura de relajaci\u00f3n debido a fuertes interacciones con la superficie.  se ha estudiado el curado de pams con una resina epoxy dgeba. Calor de reacci\u00f3n y temperatura de transicion v\u00edtrea son elevados en relaci\u00f3n a sistemas comparables. La reacci\u00f3n se ajsuta a un modelo autocatal\u00edtico a bajas conversiones, presentado autoaceleraci\u00f3n. El control por difusi\u00f3n se ajust\u00f3 a un modelo de reducci\u00f3n del volumen libre de tipo wlf. Mediante microscop\u00eda de fluorescencia se analiz\u00f3 la morfolog\u00eda del material, observ\u00e1ndose que el curado es teterog\u00e9no, con el pams concentrado en dominios cuyo tama\u00f1o es funci\u00f3n de la temperatura de curado. Un r\u00e1pido enfriamiento desde la temperatura de cuarado provoca inversi\u00f3n de fases.<\/p>\n<p>&nbsp;<\/p>\n<h3>Datos acad\u00e9micos de la tesis doctoral \u00ab<strong>Polisiloxanos reactivos. agentes de compatibilizaci\u00f3n y curado<\/strong>\u00ab<\/h3>\n<ul>\n<li><strong>T\u00edtulo de la tesis:<\/strong>\u00a0 Polisiloxanos reactivos. agentes de compatibilizaci\u00f3n y curado <\/li>\n<li><strong>Autor:<\/strong>\u00a0 Juan  Carlos Cabanelas Valcarcel <\/li>\n<li><strong>Universidad:<\/strong>\u00a0 Carlos III de Madrid<\/li>\n<li><strong>Fecha de lectura de la tesis:<\/strong>\u00a0 31\/01\/2001<\/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>Juan Baselga Llid\u00f3<\/li>\n<\/ul>\n<\/li>\n<li><strong>Tribunal<\/strong>\n<ul>\n<li>Presidente del tribunal: Jos\u00e9 manuel Torralba castello <\/li>\n<li>alejandro Ure\u00f1a fernandez (vocal)<\/li>\n<li>arturo Horta subiaga (vocal)<\/li>\n<li>sen\u00e9n Paz abu\u00edn (vocal)<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Tesis doctoral de Juan Carlos Cabanelas Valcarcel Se han preparado diferentes recubrimiemtos de la superficie de fibras de vidrio con [&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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