{"id":38578,"date":"2018-03-09T09:38:12","date_gmt":"2018-03-09T09:38:12","guid":{"rendered":"https:\/\/www.deberes.net\/tesis\/sin-categoria\/determinacion-de-la-distribucion-de-pesos-moleculares-se-sistemas-polimericos-lineales-a-partir-de-lareologia\/"},"modified":"2018-03-09T09:38:12","modified_gmt":"2018-03-09T09:38:12","slug":"determinacion-de-la-distribucion-de-pesos-moleculares-se-sistemas-polimericos-lineales-a-partir-de-lareologia","status":"publish","type":"post","link":"https:\/\/www.deberes.net\/tesis\/quimica\/determinacion-de-la-distribucion-de-pesos-moleculares-se-sistemas-polimericos-lineales-a-partir-de-lareologia\/","title":{"rendered":"Determinacion de la distribucion de pesos moleculares se sistemas polimericos lineales a partir de lareolog\u00eda."},"content":{"rendered":"<h2>Tesis doctoral de <strong> M. Rosa Marcos Hernandez <\/strong><\/h2>\n<p>El objetivo de este trabajo es obtener la distribuci\u00f3n de pesos moleculares de un sistema polim\u00e9rico lineal a partir de medidas reol\u00f3gicas de viscoeleasticidad lineal y teor\u00edas moleculares. De las medidas reol\u00f3gicas de m\u00f3dulos de almacenamiento y p\u00e9rdidas se obtiene el espectro de relajaci\u00f3n por inversi\u00f3n num\u00e9rica mediante el m\u00e9todo de la m\u00e1xima entrop\u00eda y por inversi\u00f3n anal\u00edtica mediante las transformadas de laplace. A partir de la ecuaci\u00f3n integral que relaciona el m\u00f3dulo de relajaci\u00f3n y el espectro, y una nueva teor\u00eda molecular aplicada a la teor\u00eda de la reptaci\u00f3n, se obtiene, mediante el teorema de lerch de las transformadas de laplace, una relaci\u00f3n directa entre el espectro y la distribuci\u00f3n de pesos moleculares que permite, conocido un peso molecular medio, obtener la distribuci\u00f3n de pesos moleculares de un sistema polim\u00e9rico lineal. Se ha aplicado esta teor\u00eda a pol\u00edmeros lineales puros y a mezclas de pol\u00edmeros. Los sistemas estudiados han sido: polidimetilsiloxanos, poliisoprenos y poliestirenos, con resultados satisfactorios en todos los casos.<\/p>\n<p>&nbsp;<\/p>\n<h3>Datos acad\u00e9micos de la tesis doctoral \u00ab<strong>Determinacion de la distribucion de pesos moleculares se sistemas polimericos lineales a partir de lareolog\u00eda.<\/strong>\u00ab<\/h3>\n<ul>\n<li><strong>T\u00edtulo de la tesis:<\/strong>\u00a0 Determinacion de la distribucion de pesos moleculares se sistemas polimericos lineales a partir de lareolog\u00eda. <\/li>\n<li><strong>Autor:<\/strong>\u00a0 M. Rosa Marcos Hernandez <\/li>\n<li><strong>Universidad:<\/strong>\u00a0 Barcelona<\/li>\n<li><strong>Fecha de lectura de la tesis:<\/strong>\u00a0 17\/09\/1998<\/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>Joan Llorens Llacuna<\/li>\n<\/ul>\n<\/li>\n<li><strong>Tribunal<\/strong>\n<ul>\n<li>Presidente del tribunal: claudi Mans i teixido <\/li>\n<li>virginia C\u00e1diz deleito (vocal)<\/li>\n<li>m. lourdes Franco garcia (vocal)<\/li>\n<li>valeriano Ruiz hern\u00e1ndez (vocal)<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Tesis doctoral de M. Rosa Marcos Hernandez El objetivo de este trabajo es obtener la distribuci\u00f3n de pesos moleculares de [&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":[951,1387,25369,17,966],"tags":[25558,63157,30357,63565,16379,5894],"class_list":["post-38578","post","type-post","status-publish","format-standard","hentry","category-barcelona","category-macromoleculas","category-polimeros-inorganicos","category-quimica","category-quimica-macromolecular","tag-claudi-mans-i-teixido","tag-joan-llorens-llacuna","tag-m-lourdes-franco-garcia","tag-m-rosa-marcos-hernandez","tag-valeriano-ruiz-hernandez","tag-virginia-cadiz-deleito"],"_links":{"self":[{"href":"https:\/\/www.deberes.net\/tesis\/wp-json\/wp\/v2\/posts\/38578","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=38578"}],"version-history":[{"count":0,"href":"https:\/\/www.deberes.net\/tesis\/wp-json\/wp\/v2\/posts\/38578\/revisions"}],"wp:attachment":[{"href":"https:\/\/www.deberes.net\/tesis\/wp-json\/wp\/v2\/media?parent=38578"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.deberes.net\/tesis\/wp-json\/wp\/v2\/categories?post=38578"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.deberes.net\/tesis\/wp-json\/wp\/v2\/tags?post=38578"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}