{"id":58302,"date":"2007-04-05T00:00:00","date_gmt":"2007-04-05T00:00:00","guid":{"rendered":"https:\/\/www.deberes.net\/tesis\/sin-categoria\/reologa%c2%ada-y-aplicaciones-de-poliuretanos-de-estructura-segmentada\/"},"modified":"2007-04-05T00:00:00","modified_gmt":"2007-04-05T00:00:00","slug":"reologa%c2%ada-y-aplicaciones-de-poliuretanos-de-estructura-segmentada","status":"publish","type":"post","link":"https:\/\/www.deberes.net\/tesis\/macromoleculas\/reologa%c2%ada-y-aplicaciones-de-poliuretanos-de-estructura-segmentada\/","title":{"rendered":"Reolog\u00eda y aplicaciones de poliuretanos de estructura segmentada"},"content":{"rendered":"<h2>Tesis doctoral de <strong> Sonia Florez Fernandez <\/strong><\/h2>\n<p>El objetivo general de la tesis es estudiar y relacionar la morfolog\u00eda de poliuretanos segmentados  com\u00fanmente utilizados en disoluciones adhesivas con sus propiedades viscoel\u00e1sticas en disoluci\u00f3n y en fundido y con sus propiedades adhesivas.     en el cap\u00edtulo i se realiza una introducci\u00f3n general a los poliuretanos.     en el cap\u00edtulo ii est\u00e1 dedicado a la exposici\u00f3n de las t\u00e9cnicas experimentales y la metodolog\u00eda empleada para la caracterizaci\u00f3n morfol\u00f3gica y reol\u00f3gica.     el cap\u00edtulo iii dedica su primer aparte a la caracterizaci\u00f3n de los poliuretanos de partida en t\u00e9rminos de porcentaje de segmento r\u00edgido, peso molecular, determinaci\u00f3n de la fracci\u00f3n cristalizable y transiciones t\u00e9rmicas. Se presentan, por primera vez, valores de concentraci\u00f3n cr\u00edtica de formaci\u00f3n enmara\u00f1amientos y se asocian con el correspondiente peso molecular cr\u00edtico. La segunda parte est\u00e1 dedicada al estudio de la formaci\u00f3n de geles termorreversibles a bajas temperaturas.     el cap\u00edtulo iv relaciona las propiedades viscoel\u00e1sticas con las propiedades de adhesi\u00f3n desde dos puntos de vista diferentes. Por un lado, abarca la relaci\u00f3n de la morfolog\u00eda de los poliuretanos en cuanto a contenido en segmento r\u00edgido se refiere, con la respuesta en la zona viscol\u00e1stica terminal y las propiedades del tack. Por otro lado, estudia las propiedades de adhesi\u00f3n de las disoluciones adhesivas con la cristalinidad de los poliuretanos de partida.<\/p>\n<p>&nbsp;<\/p>\n<h3>Datos acad\u00e9micos de la tesis doctoral \u00ab<strong>Reolog\u00eda y aplicaciones de poliuretanos de estructura segmentada<\/strong>\u00ab<\/h3>\n<ul>\n<li><strong>T\u00edtulo de la tesis:<\/strong>\u00a0 Reolog\u00eda y aplicaciones de poliuretanos de estructura segmentada <\/li>\n<li><strong>Autor:<\/strong>\u00a0 Sonia Florez Fernandez <\/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 04\/05\/2007<\/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>Pedro Antonio Santamar\u00eda Ibarburu<\/li>\n<\/ul>\n<\/li>\n<li><strong>Tribunal<\/strong>\n<ul>\n<li>Presidente del tribunal:  Pastor barajas Jos\u00e9 Mar\u00eda <\/li>\n<li> Fern\u00e1ndez-berridi tabern m. Jos\u00e9 (vocal)<\/li>\n<li> Nazabal echeverria Juan  Luis (vocal)<\/li>\n<li>i\u00f1igo Agote beloki (vocal)<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Tesis doctoral de Sonia Florez Fernandez El objetivo general de la tesis es estudiar y relacionar la morfolog\u00eda de poliuretanos [&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":[3079,1387,12909,19337],"tags":[128838,128839,110917,104405,6677,128837],"class_list":["post-58302","post","type-post","status-publish","format-standard","hentry","category-fisica-de-polimeros","category-macromoleculas","category-pais-vasco-euskal-herriko-unibertsitatea","category-poliuretanos","tag-fernandez-berridi-tabern-m-jose","tag-inigo-agote-beloki","tag-nazabal-echeverria-juan-luis","tag-pastor-barajas-jose-maria","tag-pedro-antonio-santamaria-ibarburu","tag-sonia-florez-fernandez"],"_links":{"self":[{"href":"https:\/\/www.deberes.net\/tesis\/wp-json\/wp\/v2\/posts\/58302","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=58302"}],"version-history":[{"count":0,"href":"https:\/\/www.deberes.net\/tesis\/wp-json\/wp\/v2\/posts\/58302\/revisions"}],"wp:attachment":[{"href":"https:\/\/www.deberes.net\/tesis\/wp-json\/wp\/v2\/media?parent=58302"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.deberes.net\/tesis\/wp-json\/wp\/v2\/categories?post=58302"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.deberes.net\/tesis\/wp-json\/wp\/v2\/tags?post=58302"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}