{"id":54863,"date":"2006-02-10T00:00:00","date_gmt":"2006-02-10T00:00:00","guid":{"rendered":"https:\/\/www.deberes.net\/tesis\/sin-categoria\/sa%c2%adntesis-electroqua%c2%admica-y-caracterizacion-de-materiales-ha%c2%adbridos-de-polipirrol-pw12o40-3-como-agentes-protectores-frente-a-la-corrosion-en-aceros\/"},"modified":"2006-02-10T00:00:00","modified_gmt":"2006-02-10T00:00:00","slug":"sa%c2%adntesis-electroqua%c2%admica-y-caracterizacion-de-materiales-ha%c2%adbridos-de-polipirrol-pw12o40-3-como-agentes-protectores-frente-a-la-corrosion-en-aceros","status":"publish","type":"post","link":"https:\/\/www.deberes.net\/tesis\/tecnologia-de-la-corrosion\/sa%c2%adntesis-electroqua%c2%admica-y-caracterizacion-de-materiales-ha%c2%adbridos-de-polipirrol-pw12o40-3-como-agentes-protectores-frente-a-la-corrosion-en-aceros\/","title":{"rendered":"S\u00edntesis electroqu\u00edmica y caracterizaci\u00f3n de materiales h\u00edbridos de polipirrol\/pw12o40 3- como agentes protectores frente a la corrosi\u00f3n en aceros"},"content":{"rendered":"<h2>Tesis doctoral de <strong> Jos\u00e9 Antonio Bonastre Cano <\/strong><\/h2>\n<p>La industria de la construcci\u00f3n por medio del hormig\u00f3n armado consigue proyectar unos elementos estructurales (pilares, forjados, viguetas, etc.) En principio libres de corrosi\u00f3n, asegurando durante muchos a\u00f1os la vida \u00fatil de la obra puesta en servicio. Sin embargo, el hormig\u00f3n armado ser\u00eda una soluci\u00f3n perfecta si pudiera garantizarse la permanencia indefinida del estado pasivo de sus armaduras. Efectivamente, aunque el acero de las armaduras est\u00e1 protegido frente a la corrosi\u00f3n por el ph b\u00e1sico que proporciona el cemente, la acci\u00f3n severa de medios salinos o la acci\u00f3n del co2 puede disminuir las condiciones de protecci\u00f3n inici\u00e1ndose la corrosi\u00f3n en los elementos de acero. los pol\u00edmeros conductores dopados tipo-p, como es el caso del polipirrol, son firmes candidatos a la protecci\u00f3n del acero al carbono ejerciendo protecci\u00f3n galv\u00e1nica al estabilizar la capa pasiva de \u00f3xidos de fe formados inicialmente. El dopaje de la matriz polim\u00e9rica de polipirrol con polioxometalatos, concretamente el fosfotungstato pw12040 3-, es una hip\u00f3tesis muy interesante debido a su acci\u00f3n oxidante, reforzando por lo tanto en principio la acci\u00f3n de protecci\u00f3n an\u00f3dica del material h\u00edbrido as\u00ed electrosintetizado sobre sustratos de acero al carbono. en el presente trabajo, en primer lugarse ha desarrollado un m\u00e9todo mediante voltametr\u00eda c\u00edclica en liclo4 en medio acetonitrilo con el objeto de disminuir la inevitable oxidaci\u00f3n del acero al carbono durante la electros\u00edntesis del material h\u00edbrido polipirrol\/pw12o40 3-. El inicio de la polimerizaci\u00f3n del polipirrol se sit\u00faa entorno a los 0.8 v (vs. Ag\/agcl), potencial francamente positivo donde la oxidaci\u00f3n del sustrato de fe es elevada, no permitiendo la electrodeposici\u00f3n del material h\u00edbrido. Por otra parte, dicho pretratamiento deb\u00eda garantizar unas condiciones adecuadas en cuanto a la adhesi\u00f3n del recubrimiento sobre el acero al carbono.<\/p>\n<p>&nbsp;<\/p>\n<h3>Datos acad\u00e9micos de la tesis doctoral \u00ab<strong>S\u00edntesis electroqu\u00edmica y caracterizaci\u00f3n de materiales h\u00edbridos de polipirrol\/pw12o40 3- como agentes protectores frente a la corrosi\u00f3n en aceros<\/strong>\u00ab<\/h3>\n<ul>\n<li><strong>T\u00edtulo de la tesis:<\/strong>\u00a0 S\u00edntesis electroqu\u00edmica y caracterizaci\u00f3n de materiales h\u00edbridos de polipirrol\/pw12o40 3- como agentes protectores frente a la corrosi\u00f3n en aceros <\/li>\n<li><strong>Autor:<\/strong>\u00a0 Jos\u00e9 Antonio Bonastre Cano <\/li>\n<li><strong>Universidad:<\/strong>\u00a0 Polit\u00e9cnica de Valencia<\/li>\n<li><strong>Fecha de lectura de la tesis:<\/strong>\u00a0 02\/10\/2006<\/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 Javier Cases Iborra<\/li>\n<\/ul>\n<\/li>\n<li><strong>Tribunal<\/strong>\n<ul>\n<li>Presidente del tribunal: Jos\u00e9 Luis V\u00e1zquez pic\u00f3 <\/li>\n<li>Juan  Carlos Galvan sierra (vocal)<\/li>\n<li>Mar\u00eda del carmen Andrade perdrix (vocal)<\/li>\n<li>Luis Garcia andion (vocal)<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Tesis doctoral de Jos\u00e9 Antonio Bonastre Cano La industria de la construcci\u00f3n por medio del hormig\u00f3n armado consigue proyectar unos [&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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