{"id":26970,"date":"2018-03-09T09:19:02","date_gmt":"2018-03-09T09:19:02","guid":{"rendered":"https:\/\/www.deberes.net\/tesis\/sin-categoria\/sa%c2%adntesis-de-nuevos-dipirrometenos-bf2-modelos-monomeros-pola%c2%admeros-y-copola%c2%admeros-y-evaluacion-como-colorantes-laser\/"},"modified":"2018-03-09T09:19:02","modified_gmt":"2018-03-09T09:19:02","slug":"sa%c2%adntesis-de-nuevos-dipirrometenos-bf2-modelos-monomeros-pola%c2%admeros-y-copola%c2%admeros-y-evaluacion-como-colorantes-laser","status":"publish","type":"post","link":"https:\/\/www.deberes.net\/tesis\/sin-categoria\/sa%c2%adntesis-de-nuevos-dipirrometenos-bf2-modelos-monomeros-pola%c2%admeros-y-copola%c2%admeros-y-evaluacion-como-colorantes-laser\/","title":{"rendered":"S\u00edntesis de nuevos dipirrometenos-bf2: modelos, mon\u00f3meros, pol\u00edmeros y copol\u00edmeros y evaluaci\u00f3n como colorantes l\u00e1ser"},"content":{"rendered":"<h2>Tesis doctoral de <strong> Marta Liras Torrente <\/strong><\/h2>\n<p>La presente memoria describe la s\u00edntesis, caracterizaci\u00f3n y evaluaci\u00f3n fotof\u00edsica de tres familias de colorantes fluorescentes cuyo crom\u00f3foro es el complejo de tres ciclos dipirrometeno. Bf2. Los nuevos colorantes son an\u00e1logos del colorante l\u00e1ser comercial pm567. Los an\u00e1logos tienen en vez del grupo metilo en posici\u00f3n 8 en \u00e9ste colarante, una cadena polimetil\u00e9nica (compuestos pnr), un grupo p-polimetil\u00e9nfenilenico (compuestos parnr) con un grupo metacrilato o acetato con posici\u00f3n terminal, o bien en vez de los grupos etilo en posiciones 2 y 6 tres metilenos con un grupo metacrialto o acetato en posici\u00f3n terminal (compuestos pdir). Los colorantes monom\u00e9ricos se han copolimerizado con metacrilato de metilo, mientras que los correspondientes modelos con grupos acetato se han disuelto en poli(metacrilato de metilo), y se han evaluado las propiedades fotof\u00edsicas y la fotoestabilidad de los nuevos materiales l\u00e1ser en estado s\u00f3lido, compr\u00e1ndolas con las mismas propiedades en disoluci\u00f3n l\u00edquida.  las caracter\u00edsticas fotof\u00edsicas, incluyendo el rendimiento cu\u00e1ntido de fluorescencia, de los complejos pnr, parnr y pdiac (r=acetato o metacrilato) se parecen, en general, a las de pm567. Se han obtenido m\u00e1ximas eficiencias de emisi\u00f3n l\u00e1ser de casi el 60% en disoluci\u00f3n l\u00edquida (para p10ac 1m en 2,2,2-trifuoroetanol), y del 41% en medio polim\u00e9rico s\u00f3lido (para el mismo colorante en poli(metacrilato de metilo), superiores a las de pm567 en las mismas condiciones (12%). Los rendimientos cu\u00e1nticos de fluorescencia en medio polim\u00e9rico s\u00f3lido de los colorantes pamx (x= acctato o metacrilato) son similares a los de los colorantes pnx (x=acctato o metacrilato), pero las eficiencias de la emisi\u00f3n l\u00e1ser son algo inferiores. Por otra parte, los colorantes anclados a cadenas polim\u00e9ricas (pnma, parnma y pdima) son simpre m\u00e1s fotoestables que pm567 y los colorantes modelo (pnac, parnma y pdiac) en disoluci\u00f3n en el mismo pol\u00edmero<\/p>\n<p>&nbsp;<\/p>\n<h3>Datos acad\u00e9micos de la tesis doctoral \u00ab<strong>S\u00edntesis de nuevos dipirrometenos-bf2: modelos, mon\u00f3meros, pol\u00edmeros y copol\u00edmeros y evaluaci\u00f3n como colorantes l\u00e1ser<\/strong>\u00ab<\/h3>\n<ul>\n<li><strong>T\u00edtulo de la tesis:<\/strong>\u00a0 S\u00edntesis de nuevos dipirrometenos-bf2: modelos, mon\u00f3meros, pol\u00edmeros y copol\u00edmeros y evaluaci\u00f3n como colorantes l\u00e1ser <\/li>\n<li><strong>Autor:<\/strong>\u00a0 Marta Liras Torrente <\/li>\n<li><strong>Universidad:<\/strong>\u00a0 Complutense de Madrid<\/li>\n<li><strong>Fecha de lectura de la tesis:<\/strong>\u00a0 21\/11\/2003<\/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>Francisco Amat Guerri<\/li>\n<\/ul>\n<\/li>\n<li><strong>Tribunal<\/strong>\n<ul>\n<li>Presidente del tribunal:  Quiroga feijoo Mar\u00eda  luz <\/li>\n<li>tom\u00e1s Torres cebada (vocal)<\/li>\n<li>angel Costela gonz\u00e1lez (vocal)<\/li>\n<li>julio San roman del barrio (vocal)<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Tesis doctoral de Marta Liras Torrente La presente memoria describe la s\u00edntesis, caracterizaci\u00f3n y evaluaci\u00f3n fotof\u00edsica de tres familias 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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