{"id":17350,"date":"2002-11-06T00:00:00","date_gmt":"2002-11-06T00:00:00","guid":{"rendered":"https:\/\/www.deberes.net\/tesis\/sin-categoria\/un-nuevo-tratamiento-superficial-con-radiacion-ultravioleta-para-mejorar-la-adhesion-de-caucho-sbs\/"},"modified":"2002-11-06T00:00:00","modified_gmt":"2002-11-06T00:00:00","slug":"un-nuevo-tratamiento-superficial-con-radiacion-ultravioleta-para-mejorar-la-adhesion-de-caucho-sbs","status":"publish","type":"post","link":"https:\/\/www.deberes.net\/tesis\/quimica\/un-nuevo-tratamiento-superficial-con-radiacion-ultravioleta-para-mejorar-la-adhesion-de-caucho-sbs\/","title":{"rendered":"Un nuevo tratamiento superficial con radiaci\u00f3n ultravioleta para mejorar la adhesi\u00f3n de caucho sbs"},"content":{"rendered":"<h2>Tesis doctoral de <strong> M. Dolores Romero S\u00e1nchez <\/strong><\/h2>\n<p>La utilizaci\u00f3n de los pol\u00edmeros y en particular de los cauchos, frecuentemente implica la uni\u00f3n a otros materiales empleando adhesivos. Sin embargo, los cauchos presentan baja energ\u00eda superficial, lo que hace imprescindible realizar un tratamiento de superficie para aumentarla y conseguir uniones adhesivas fuertes.  en este trabajo se ha utilizado un novedoso tratamiento supeficial con radiaci\u00f3n uv de cauchos sbs (estireno-butadieno-estireno), analizando la influencia de diferentes variables experimentales en las modificaciones superficiales producidas. Este tratamiento constituye una s\u00f3lida alternativa al tratamiento actual de halogenaci\u00f3n, un tratamiento que requiere compuestos qu\u00edmicos y disolventes.  en el estudio se pone de manifiesto el car\u00e1cter oxidante de la radiaci\u00f3n uv y la relaci\u00f3n existente entre las modificaciones superficiales producidas en los cauchos y distintas variables experimentales (tiempo de irradiaci\u00f3n, formulaci\u00f3n, intensidad y longitud de onda de la radicaci\u00f3n uv, distancia fuente de radiaci\u00f3n-caucho, etc.)  por otro lado, el estudio valora la efectividad del tratamiento con radiaci\u00f3n uv frente a los efectos producidos en la superficie de un caucho sint\u00e9tico sbs por el tratamiento con descarga corona o mediante el tratamiento qu\u00edmico de halogenaci\u00f3n.  las modificaciones producidas por los tratamientos superficiales se han analizado mediante medidas de \u00e1ngulos de contacto, espectroscop\u00edas ir-atr y xps y microscop\u00edas sem y afm. La adhesi\u00f3n se evalu\u00f3 mediante ensayos de pelado en t, as\u00ed como se determin\u00f3 la durabilidad de las uniones adhesivas en condiciones de envejecimiento acelerado.  el tratamiento superficial con radiaci\u00f3n uv produce modificaciones superficiales de tipo qu\u00edmico (oxidaci\u00f3n superficial mediante la introducci\u00f3n de grupos c-o, c=o y coo-) y morfol\u00f3gico (aumento de la rugosidad), as\u00ed como una notable mejora de la mojabilidad. Un mayor tiempo de tratamiento produc<\/p>\n<p>&nbsp;<\/p>\n<h3>Datos acad\u00e9micos de la tesis doctoral \u00ab<strong>Un nuevo tratamiento superficial con radiaci\u00f3n ultravioleta para mejorar la adhesi\u00f3n de caucho sbs<\/strong>\u00ab<\/h3>\n<ul>\n<li><strong>T\u00edtulo de la tesis:<\/strong>\u00a0 Un nuevo tratamiento superficial con radiaci\u00f3n ultravioleta para mejorar la adhesi\u00f3n de caucho sbs <\/li>\n<li><strong>Autor:<\/strong>\u00a0 M. Dolores Romero S\u00e1nchez <\/li>\n<li><strong>Universidad:<\/strong>\u00a0 Alicante<\/li>\n<li><strong>Fecha de lectura de la tesis:<\/strong>\u00a0 11\/06\/2002<\/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: leonardo R\u00edos guerrero <\/li>\n<li>giles Dillingham (vocal)<\/li>\n<li>Ana Mar\u00eda Torr\u00f3 palau (vocal)<\/li>\n<li>Fernando Coloma pascual (vocal)<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Tesis doctoral de M. Dolores Romero S\u00e1nchez La utilizaci\u00f3n de los pol\u00edmeros y en particular de los cauchos, frecuentemente implica [&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":[19166,19398,199,13366,17,3417,560,966],"tags":[54380,19272,33132,54379,54378,54377],"class_list":["post-17350","post","type-post","status-publish","format-standard","hentry","category-alicante","category-elastomeros","category-fisica","category-modificacion-de-macromoleculas","category-quimica","category-quimica-de-interfases","category-quimica-fisica","category-quimica-macromolecular","tag-ana-maria-torro-palau","tag-cesar-orgiles-barcelo","tag-fernando-coloma-pascual","tag-giles-dillingham","tag-leonardo-rios-guerrero","tag-m-dolores-romero-sanchez"],"_links":{"self":[{"href":"https:\/\/www.deberes.net\/tesis\/wp-json\/wp\/v2\/posts\/17350","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=17350"}],"version-history":[{"count":0,"href":"https:\/\/www.deberes.net\/tesis\/wp-json\/wp\/v2\/posts\/17350\/revisions"}],"wp:attachment":[{"href":"https:\/\/www.deberes.net\/tesis\/wp-json\/wp\/v2\/media?parent=17350"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.deberes.net\/tesis\/wp-json\/wp\/v2\/categories?post=17350"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.deberes.net\/tesis\/wp-json\/wp\/v2\/tags?post=17350"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}