{"id":142905,"date":"1993-01-01T00:00:00","date_gmt":"1993-01-01T00:00:00","guid":{"rendered":"https:\/\/www.deberes.net\/tesis\/sin-categoria\/sintesis-y-caracterizacion-de-nuevas-poli-eter-ureas-para-aplicacion-en-procesos-por-reaccion-e-inyeccion-simultaneas-rim\/"},"modified":"1993-01-01T00:00:00","modified_gmt":"1993-01-01T00:00:00","slug":"sintesis-y-caracterizacion-de-nuevas-poli-eter-ureas-para-aplicacion-en-procesos-por-reaccion-e-inyeccion-simultaneas-rim","status":"publish","type":"post","link":"https:\/\/www.deberes.net\/tesis\/quimica\/sintesis-y-caracterizacion-de-nuevas-poli-eter-ureas-para-aplicacion-en-procesos-por-reaccion-e-inyeccion-simultaneas-rim\/","title":{"rendered":"Sintesis y caracterizacion de nuevas poli (eter ureas) para aplicacion en procesos por reaccion e inyeccion simultaneas (rim)."},"content":{"rendered":"<h2>Tesis doctoral de <strong>  Marcos Fernandez Angel Ant. <\/strong><\/h2>\n<p>En este trabajo se sintetizaron cierto numero de poli(eter\/ureas) en las que se variaron la longitud del polieter, el tipo de isocianato, el tipo de extendedor, y la cantidad relativa de estos componentes en la composicion del polimero. Los polimeros resultantes mostraron una morfolog\u00eda de microfases separadas que condicionaron las propiedades del polimero.  las propiedades termicas demostraron la existencia de un cierto grado de mezcla de fases, y la mejora de la separacion de estas con el tratamiento termico a alta temperatura.  las propiedades dinamicas mostraron tambien la existencia de cierta mezcla de fases y la buena estabilidad dimensional de estos compuestos a alta temperatura.  el analisis termogravimetrico dio informacion sobre la resistencia a la degradacion de los polimeros, que resulto grande, con temperaturas de inicio de degradacion sobre los 300 grados c. Esta degradacion se encontro que se inicia en los enlaces de urea, que se escinden.  el comportamiento mecanico vario desde elastomeros blandos a plasticos rigidos, siendo en general polimeros de alto modulo de young. Las propiedades variaron con el tiempo, mejorando con la mejora de la segregacion de fases, que demostro su naturaleza de proceso dinamico.<\/p>\n<p>&nbsp;<\/p>\n<h3>Datos acad\u00e9micos de la tesis doctoral \u00ab<strong>Sintesis y caracterizacion de nuevas poli (eter ureas) para aplicacion en procesos por reaccion e inyeccion simultaneas (rim).<\/strong>\u00ab<\/h3>\n<ul>\n<li><strong>T\u00edtulo de la tesis:<\/strong>\u00a0 Sintesis y caracterizacion de nuevas poli (eter ureas) para aplicacion en procesos por reaccion e inyeccion simultaneas (rim). <\/li>\n<li><strong>Autor:<\/strong>\u00a0  Marcos Fernandez Angel Ant. <\/li>\n<li><strong>Universidad:<\/strong>\u00a0 Complutense de Madrid<\/li>\n<li><strong>Fecha de lectura de la tesis:<\/strong>\u00a0 01\/01\/1993<\/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>Luis Gonzalez Hernandez<\/li>\n<\/ul>\n<\/li>\n<li><strong>Tribunal<\/strong>\n<ul>\n<li>Presidente del tribunal: Jos\u00e9 Luis Sotelo Sancho <\/li>\n<li>Antonio Bello Ant\u00f3n (vocal)<\/li>\n<li>Rafael Pedrosa Saiz (vocal)<\/li>\n<li>JavierDe Abajo Gonzalez (vocal)<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Tesis doctoral de Marcos Fernandez Angel Ant. En este trabajo se sintetizaron cierto numero de poli(eter\/ureas) en las que se [&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 center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-gradient":""},"tablet":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-gradient":""},"mobile":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-gradient":""}},"ast-content-background-meta":{"desktop":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-gradient":""},"tablet":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-gradient":""},"mobile":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-gradient":""}},"footnotes":""},"categories":[986,17,966,5889],"tags":[6676,209058,310,162240,257634,257635],"class_list":["post-142905","post","type-post","status-publish","format-standard","hentry","category-complutense-de-madrid","category-quimica","category-quimica-macromolecular","category-sintesis-de-macromoleculas","tag-antonio-bello-anton","tag-javierde-abajo-gonzalez","tag-jose-luis-sotelo-sancho","tag-luis-gonzalez-hernandez","tag-marcos-fernandez-angel-ant","tag-rafael-pedrosa-saiz"],"_links":{"self":[{"href":"https:\/\/www.deberes.net\/tesis\/wp-json\/wp\/v2\/posts\/142905","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.deberes.net\/tesis\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.deberes.net\/tesis\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.deberes.net\/tesis\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.deberes.net\/tesis\/wp-json\/wp\/v2\/comments?post=142905"}],"version-history":[{"count":0,"href":"https:\/\/www.deberes.net\/tesis\/wp-json\/wp\/v2\/posts\/142905\/revisions"}],"wp:attachment":[{"href":"https:\/\/www.deberes.net\/tesis\/wp-json\/wp\/v2\/media?parent=142905"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.deberes.net\/tesis\/wp-json\/wp\/v2\/categories?post=142905"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.deberes.net\/tesis\/wp-json\/wp\/v2\/tags?post=142905"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}