{"id":12609,"date":"2001-06-08T00:00:00","date_gmt":"2001-06-08T00:00:00","guid":{"rendered":"https:\/\/www.deberes.net\/tesis\/sin-categoria\/tratamiento-superficial-con-plasma-gaseoso-de-rf-de-cauchos-sbr-y-sbs-como-alternativa-a-los-tratamientos-qua%c2%admicos\/"},"modified":"2001-06-08T00:00:00","modified_gmt":"2001-06-08T00:00:00","slug":"tratamiento-superficial-con-plasma-gaseoso-de-rf-de-cauchos-sbr-y-sbs-como-alternativa-a-los-tratamientos-qua%c2%admicos","status":"publish","type":"post","link":"https:\/\/www.deberes.net\/tesis\/quimica\/tratamiento-superficial-con-plasma-gaseoso-de-rf-de-cauchos-sbr-y-sbs-como-alternativa-a-los-tratamientos-qua%c2%admicos\/","title":{"rendered":"Tratamiento superficial con plasma gaseoso de rf de cauchos sbr y sbs como alternativa a los tratamientos qu\u00edmicos"},"content":{"rendered":"<h2>Tesis doctoral de <strong>  Ortiz Mag\u00e1n Ana Bel\u00e9n <\/strong><\/h2>\n<p>Esta investigaci\u00f3n se centra en la aplicaci\u00f3n de un tratamiento superficial f\u00edsico con plasma gaseoso de radiofrecuencias (rf) a baja presi\u00f3n a materiales de caucho sint\u00e9tico como una alternativa viable a los actualmente utilizados tratamientos superficiales qu\u00edmicos, evitando los problemas que surgen del empleo de disoluciones clorantes y mejora de la calidad de la adhesi\u00f3n y que cumpla con la normativa europea (directiva 1999\/13\/ce) sobre la reducci\u00f3n de emision de compuestos org\u00e1nicos vol\u00e1tiles en instalaciones y actividades que utilicen disolventes org\u00e1nicos.  los aspectos investigados en este trabajo de investigaci\u00f3n fueron:  1,- selecci\u00f3n de los materiales de partida, ensayos y t\u00e9cnicas experimentales.  2,- efectos del tratamiento con plasma de ox\u00edgeno, nitr\u00f3geno y mezclas ox\u00edgeno-nitr\u00f3geno en la modificaci\u00f3n superficial de un caucho vulcanizado de estireno-butadieno (sbr). Este estudio ha puesto de manifiesto la mejora en las propiedades de adhesi\u00f3n hacia adhesivos de poliuretano de un caucho vulcanizado de estireno-butadieno al ser tratado con plasma de baja presi\u00f3n.  3,- influenica del gas utilizado en el tratamiento con plasma gaseoso de rf de un caucho de estireno-butadieno. Tratamientos con plasmas de arg\u00f3n y nitr\u00f3geno producen una gran modificaci\u00f3n qu\u00edmica (oxidaci\u00f3n), mientras que el tratamiento los plasmas de gases oxidantes como ox\u00edgeno, aire y di\u00f3xido de carbono producen una gran modificaci\u00f3n morfol\u00f3gica (eliminaci\u00f3n de capas superficiales). Se obtienen excelentes resultados de adhesi\u00f3n con cualquier gas utilizando tiempos de tratamiento cortos.  4,- influencia de la naturaleza del caucho en la efectividad del tratamiento con plasma gaseoso de rf. Se seleccionaron dos tipos de cauchos vulcanizados de estireno-butadieno de distinta formulaci\u00f3n (r1 y r2) a los que se les aplic\u00f3 plasma de baja presi\u00f3n de ox\u00edgeno, nitr\u00f3geno y aire. Los resultados obtendios ponen de manifiesto la importa<\/p>\n<p>&nbsp;<\/p>\n<h3>Datos acad\u00e9micos de la tesis doctoral \u00ab<strong>Tratamiento superficial con plasma gaseoso de rf de cauchos sbr y sbs como alternativa a los tratamientos qu\u00edmicos<\/strong>\u00ab<\/h3>\n<ul>\n<li><strong>T\u00edtulo de la tesis:<\/strong>\u00a0 Tratamiento superficial con plasma gaseoso de rf de cauchos sbr y sbs como alternativa a los tratamientos qu\u00edmicos <\/li>\n<li><strong>Autor:<\/strong>\u00a0  Ortiz Mag\u00e1n Ana Bel\u00e9n <\/li>\n<li><strong>Universidad:<\/strong>\u00a0 Alicante<\/li>\n<li><strong>Fecha de lectura de la tesis:<\/strong>\u00a0 06\/08\/2001<\/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>Cesar Orgiles Barcelo<\/li>\n<\/ul>\n<\/li>\n<li><strong>Tribunal<\/strong>\n<ul>\n<li>Presidente del tribunal:  Vall\u00e9s abarca Jos\u00e9 Antonio <\/li>\n<li>Francisco L\u00f3pez mart\u00edn (vocal)<\/li>\n<li>Mar\u00eda Kenny jos\u00e9 (vocal)<\/li>\n<li>giles Dillingham raymond (vocal)<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Tesis doctoral de Ortiz Mag\u00e1n Ana Bel\u00e9n Esta investigaci\u00f3n se centra en la aplicaci\u00f3n de un tratamiento superficial f\u00edsico con [&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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