{"id":79261,"date":"2018-03-09T23:25:06","date_gmt":"2018-03-09T23:25:06","guid":{"rendered":"https:\/\/www.deberes.net\/tesis\/sin-categoria\/process-intensification-in-emulsion-polymerization-flexible-continuous-production-of-latex\/"},"modified":"2018-03-09T23:25:06","modified_gmt":"2018-03-09T23:25:06","slug":"process-intensification-in-emulsion-polymerization-flexible-continuous-production-of-latex","status":"publish","type":"post","link":"https:\/\/www.deberes.net\/tesis\/procesos-quimicos\/process-intensification-in-emulsion-polymerization-flexible-continuous-production-of-latex\/","title":{"rendered":"Process intensification in emulsion polymerization flexible continuous production of latex"},"content":{"rendered":"<h2>Tesis doctoral de <strong> Felipe Alarcia Hernanz <\/strong><\/h2>\n<p>Tradicionalmente, la producci\u00f3n de adhesivos en base agua se lleva a cabo mediante el uso de rectores semi-continuos, ya que este tipo de reactores permite un excelente control sobre las propiedades finales de los adhesivos. No obstante, estos reactores suelen ser bastante grandes con el fin de asegurar la demanda del mercado, y en reacciones fuertemente exot\u00e9rmicas, como las polimerizaciones en emulsi\u00f3n, la eliminaci\u00f3n de calor puede ser un problema. Para poder controlar el calor desprendido en estas reacciones se suelen utilizar caudales de alimentaci\u00f3n de reactivos bastante reducidos, lo que supone un tiempo de reacci\u00f3n muy elevado. Este tiempo, sumando al necesario para limpiar, calentar, enfriar y vaciar el reactor da lugar a una baja producci\u00f3n por unidad de volumen. Debido a la creciente demanda de este tipo de productos, los fabricantes intentan dise\u00f1ar reactores que permitan altas velocidades de producci\u00f3n junto con un alta capacidad de eliminaci\u00f3n de calor.     en el presente trabajo se ha estudiado la posibilidad de sustituir los reactores semi-continuos, tradicionalmente usados para la producci\u00f3n de adhesivos sensibles a la presi\u00f3n, por un reactor continuo de mezcla perfecta. Para estudiar su viabilidad se han considerado cuatro aspectos claves: la seguridad del proceso, la posibilidad de una alta producci\u00f3n por unidad de volumen de reactor, la calidad de los productos obtenidos y la transici\u00f3n entre grados de pol\u00edmeros diferentes.     mediante el balance de energ\u00eda se determin\u00f3 que la producci\u00f3n de este tipo de pol\u00edmeros en reactores tanque continuos es posible en condiciones seguras usando tiempos de residencia bastante bajos.     por otro lado, utilizando un sistema de iniciaci\u00f3n redox se obtuvieron productos de buenas propiedades adhesivas y conversiones razonablemente altas en tiempo de residencia muy bajos para este tipo de reacciones (10 min).     el tiempo de residencia bajo, minimiza el producto fuera de especificacio<\/p>\n<p>&nbsp;<\/p>\n<h3>Datos acad\u00e9micos de la tesis doctoral \u00ab<strong>Process intensification in emulsion polymerization flexible continuous production of latex<\/strong>\u00ab<\/h3>\n<ul>\n<li><strong>T\u00edtulo de la tesis:<\/strong>\u00a0 Process intensification in emulsion polymerization flexible continuous production of latex <\/li>\n<li><strong>Autor:<\/strong>\u00a0 Felipe Alarcia Hernanz <\/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 27\/03\/2006<\/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>Mar\u00eda Asua Jos\u00e9<\/li>\n<\/ul>\n<\/li>\n<li><strong>Tribunal<\/strong>\n<ul>\n<li>Presidente del tribunal: mckenna Timothy <\/li>\n<li>costantino Creton (vocal)<\/li>\n<li>thierry Meyer (vocal)<\/li>\n<li> Fern\u00e1ndez recio Miguel \u00e1ngel (vocal)<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Tesis doctoral de Felipe Alarcia Hernanz Tradicionalmente, la producci\u00f3n de adhesivos en base agua se lleva a cabo mediante el [&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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