{"id":128714,"date":"1996-01-01T00:00:00","date_gmt":"1996-01-01T00:00:00","guid":{"rendered":"https:\/\/www.deberes.net\/tesis\/sin-categoria\/gelificacion-del-policloruro-de-vinilo-influencia-de-la-microestructura-del-polimero\/"},"modified":"1996-01-01T00:00:00","modified_gmt":"1996-01-01T00:00:00","slug":"gelificacion-del-policloruro-de-vinilo-influencia-de-la-microestructura-del-polimero","status":"publish","type":"post","link":"https:\/\/www.deberes.net\/tesis\/quimica\/gelificacion-del-policloruro-de-vinilo-influencia-de-la-microestructura-del-polimero\/","title":{"rendered":"Gelificacion del policloruro de vinilo. influencia de la microestructura del polimero."},"content":{"rendered":"<h2>Tesis doctoral de <strong> Daniel Lopez Garcia <\/strong><\/h2>\n<p>Esta memoria de investigacion contribuye al estudio de la gelificacion termorreversible del policloruro de vinilo y, en concreto, al papel desempe\u00f1ado por la microestructura del polimero en este fenomeno, mediante la preparacion y estudio de compuestos modelo de pvc.En primer lugar se describe brevemente el problema de la gelificacion del pvc, mediante una revision critica de la bibliografia existente sobre el tema. A continuacion se describe la preparacion de compuestos modelo de pvc con variable contenido en atomos de cloro, cuya naturaleza es determinada. La estructura molecular de los geles preparados, en base a estos compuestos modelo, es analizada por difusion de neutrones a angulos bajos mediante un modelo de gelificacion de tipo fibrilar.  posteriormente se describe el estudio de las propiedades viscoelasticas de estos geles y se discute la relacion de estas con la estructura del polimero. Para confirmar la relacion microestructura del polimero\/estructura molecular del gel\/propiedades viscoelasticas del gel, en base a un modelo fibrilar, se lleva a cabo un estudio de interacciones polimero-disolvente, que permite confirmar este modelo fibrilar. Por ultimo, se describen brevemente las consecuencias que tiene la formacion de geles en determinadas propiedades del policloruro de vinilo, como es su temperatura de transicion vitrea.<\/p>\n<p>&nbsp;<\/p>\n<h3>Datos acad\u00e9micos de la tesis doctoral \u00ab<strong>Gelificacion del policloruro de vinilo. influencia de la microestructura del polimero.<\/strong>\u00ab<\/h3>\n<ul>\n<li><strong>T\u00edtulo de la tesis:<\/strong>\u00a0 Gelificacion del policloruro de vinilo. influencia de la microestructura del polimero. <\/li>\n<li><strong>Autor:<\/strong>\u00a0 Daniel Lopez Garcia <\/li>\n<li><strong>Universidad:<\/strong>\u00a0 Complutense de Madrid<\/li>\n<li><strong>Fecha de lectura de la tesis:<\/strong>\u00a0 01\/01\/1996<\/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>Carmen Mijangos Ugarte<\/li>\n<\/ul>\n<\/li>\n<li><strong>Tribunal<\/strong>\n<ul>\n<li>Presidente del tribunal: Irmina Hernandez Fuentes <\/li>\n<li>Michel Guenet Jean (vocal)<\/li>\n<li>Pedro Antonio Santamar\u00eda Ibarburu (vocal)<\/li>\n<li>Evaristo Riande Garcia (vocal)<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Tesis doctoral de Daniel Lopez Garcia Esta memoria de investigacion contribuye al estudio de la gelificacion termorreversible del policloruro 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 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