{"id":21484,"date":"2003-03-02T00:00:00","date_gmt":"2003-03-02T00:00:00","guid":{"rendered":"https:\/\/www.deberes.net\/tesis\/sin-categoria\/preparacion-de-adhesivos-industriales-empleando-taninos-de-la-corteza-del-pino\/"},"modified":"2003-03-02T00:00:00","modified_gmt":"2003-03-02T00:00:00","slug":"preparacion-de-adhesivos-industriales-empleando-taninos-de-la-corteza-del-pino","status":"publish","type":"post","link":"https:\/\/www.deberes.net\/tesis\/ingenieria-y-tecnologia-quimicas\/preparacion-de-adhesivos-industriales-empleando-taninos-de-la-corteza-del-pino\/","title":{"rendered":"Preparaci\u00f3n de adhesivos industriales empleando taninos de la corteza del pino"},"content":{"rendered":"<h2>Tesis doctoral de <strong> Francisco L\u00f3pez-suevos Fraguela <\/strong><\/h2>\n<p>La utilizaci\u00f3n del pinus pinaster (especie mayoritaria en galicia) a escala industrial implica la separaci\u00f3n de su corteza, que significa aproximadamente el 10% de la materia seca del \u00e1rbol, lo que la convierte en el residuo lignocelul\u00f3sico m\u00e1s abundante de la industria maderera de galicia, generando m\u00e1s de 100000 tm\/a\u00f1o.  sin embargo, el uso que la industria le est\u00e1 dando a este residuo es b\u00e1sicamente como combustible, que es la menos noble de sus posibles aplicaciones. Resulta por tanto de gran inter\u00e9s, la b\u00fasqueda de alternativas basadas en su composici\u00f3n qu\u00edmica que permitan un mejor aprovechamiento de este residuo industrial totalmente infravalorado. La opci\u00f3n propuesta en este trabajo se ha basado en la extracci\u00f3n de taninos de la corteza para la formulaci\u00f3n de adhesivos.  asimismo, las empresas de fabricaci\u00f3n de tableros de madera de galicia est\u00e1n tratando de incorporar la madera de eucalipto como principal materia prima, ya que adem\u00e1s de ser m\u00e1s econ\u00f3mica y de tener un crecimiento mucho m\u00e1s r\u00e1pido que la de pino, presenta unas excelentes propiedades mec\u00e1nicas. prueba de este inter\u00e9s es el crecimiento de la superficie de monte arbolado ocupado por esta especie desde 1987-1998, de un 400%, frente al 10% experimentado por el pinus pinaster, y a la creaci\u00f3n de nuevas plantas de fabricaci\u00f3n tanto de tableros contrapachados como de tableros de fibras de densidad media (mdf) orientadas a la utilizaci\u00f3n exclusiva de la madera de eucalipto.  en particular, en la preparaci\u00f3n de contrachapados de eucalipto para uso exterior, la utilizaci\u00f3n de adhesivos fen\u00f3licos comerciales exige un servero secado de la chapas (4-5% base seca), para evitar la rotura de los tableros en prensa.  esto supone un considerable conste energ\u00e9tico y una reducci\u00f3n en la calidad de las chapas. Adem\u00e1s, el fenol, principal ingrediente de lso adhesivos fen\u00f3licos, es un derivado petroqu\u00edmico no renovable, de elevado coste y potencia<\/p>\n<p>&nbsp;<\/p>\n<h3>Datos acad\u00e9micos de la tesis doctoral \u00ab<strong>Preparaci\u00f3n de adhesivos industriales empleando taninos de la corteza del pino<\/strong>\u00ab<\/h3>\n<ul>\n<li><strong>T\u00edtulo de la tesis:<\/strong>\u00a0 Preparaci\u00f3n de adhesivos industriales empleando taninos de la corteza del pino <\/li>\n<li><strong>Autor:<\/strong>\u00a0 Francisco L\u00f3pez-suevos Fraguela <\/li>\n<li><strong>Universidad:<\/strong>\u00a0 Santiago de compostela<\/li>\n<li><strong>Fecha de lectura de la tesis:<\/strong>\u00a0 03\/02\/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>Gonzalo V\u00e1zquez U\u00f1a<\/li>\n<\/ul>\n<\/li>\n<li><strong>Tribunal<\/strong>\n<ul>\n<li>Presidente del tribunal: manuel Gal\u00e1n vallejo <\/li>\n<li>david pedro Serrano granados (vocal)<\/li>\n<li>bernard Riedl (vocal)<\/li>\n<li> As\u00faa gonz\u00e1lez Jos\u00e9 Mar\u00eda (vocal)<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Tesis doctoral de Francisco L\u00f3pez-suevos Fraguela La utilizaci\u00f3n del pinus pinaster (especie mayoritaria en galicia) a escala industrial implica la [&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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