{"id":80864,"date":"1999-08-10T00:00:00","date_gmt":"1999-08-10T00:00:00","guid":{"rendered":"https:\/\/www.deberes.net\/tesis\/sin-categoria\/miscibilidad-y-propiedades-termicas-y-dinamo-mecanicas-de-mezclas-de-pola%c2%admeros\/"},"modified":"1999-08-10T00:00:00","modified_gmt":"1999-08-10T00:00:00","slug":"miscibilidad-y-propiedades-termicas-y-dinamo-mecanicas-de-mezclas-de-pola%c2%admeros","status":"publish","type":"post","link":"https:\/\/www.deberes.net\/tesis\/quimica\/miscibilidad-y-propiedades-termicas-y-dinamo-mecanicas-de-mezclas-de-pola%c2%admeros\/","title":{"rendered":"Miscibilidad y propiedades t\u00e9rmicas y dinamo-mec\u00e1nicas de mezclas de pol\u00edmeros"},"content":{"rendered":"<h2>Tesis doctoral de <strong>  Nu\u00f1o Donlucas Sergio Manuel <\/strong><\/h2>\n<p>A partir de la d\u00e9cada de 1980 el estudio de las mezclas de pol\u00edmeros ha suscitado un creciente inter\u00e9s. Esto se refleja en el constante aumento de mezclas que son procesadas industrialmente (cerca del 10% anual, de acuerdo con datos de 1996). Las mezclas de mayor inter\u00e9s son las miscibles y\/o las que presentan sinergismos que promueven una \u00abmejora en las propiedades mec\u00e1nicas del material\u00bb. Una situaci\u00f3n deseables es aprovechar mezclas miscibles con buenas propiedades mec\u00e1nicas.  en esta memoria se estudiaron mezclas binarias de copol\u00edmeros de poli (etileno-co\u00e1cido acr\u00edlico) (con 6,5,  9,5 y 20% peso de \u00e1cido acr\u00edlico) con tres homopol\u00edmeros: poli\u00f3xido de etileno, poli(vinil pirrolidona) y poli (2-etil-2-oxazolina). La preparaci\u00f3nd e las mezclas se hizo por disoluci\u00f3n y por fusi\u00f3n se estudiaron por calorimetr\u00eda deiferencial de barrido modulada (mdsc), an\u00e1lisis t\u00e9rmico dinamo-mec\u00e1nico (dmta), espectroscop\u00eda de infarrojo por transformada de fourier (ftir), ensayos de tracci\u00f3n (tt), an\u00e1lisis dinamo-mec\u00e1nico (dma) y microscop\u00eda electr\u00f3nica de barrido (sem). El estudio termodin\u00e1mico permiti\u00f3 determinar que algunas de las mezclas estudiadas presentan miscibilidad. Las determinaciones por microscop\u00eda electr\u00f3nica (sem) se esclarecen la morfolog\u00eda final de las distintas mezclas binarias estudiadas, en la zona de rompimiento inducida por ensayos de tracci\u00f3n.<\/p>\n<p>&nbsp;<\/p>\n<h3>Datos acad\u00e9micos de la tesis doctoral \u00ab<strong>Miscibilidad y propiedades t\u00e9rmicas y dinamo-mec\u00e1nicas de mezclas de pol\u00edmeros<\/strong>\u00ab<\/h3>\n<ul>\n<li><strong>T\u00edtulo de la tesis:<\/strong>\u00a0 Miscibilidad y propiedades t\u00e9rmicas y dinamo-mec\u00e1nicas de mezclas de pol\u00edmeros <\/li>\n<li><strong>Autor:<\/strong>\u00a0  Nu\u00f1o Donlucas Sergio Manuel <\/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 08\/10\/1999<\/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>Issa Antonio Katime Amashta<\/li>\n<\/ul>\n<\/li>\n<li><strong>Tribunal<\/strong>\n<ul>\n<li>Presidente del tribunal: julio Casado linarejos <\/li>\n<li>Jorge Puig arevalo (vocal)<\/li>\n<li>Francisco Ferrandiz garcia (vocal)<\/li>\n<li>Emilio Meauricio arrate (vocal)<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Tesis doctoral de Nu\u00f1o Donlucas Sergio Manuel A partir de la d\u00e9cada de 1980 el estudio de las mezclas 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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