{"id":694,"date":"2018-09-17T13:29:00","date_gmt":"2018-09-17T13:29:00","guid":{"rendered":"https:\/\/olgapayan.com\/?p=694"},"modified":"2025-04-04T12:22:02","modified_gmt":"2025-04-04T12:22:02","slug":"tractaments-hidrofugants-superhidrofugants-i-autonetejants-en-roca-monumentals-i","status":"publish","type":"post","link":"https:\/\/olgapayan.com\/es\/tractaments-hidrofugants-superhidrofugants-i-autonetejants-en-roca-monumentals-i\/","title":{"rendered":"Tratamientos Hidrofugantes, Superhidrofugantes y Autolimpiantes en Roca Monumentales (I)"},"content":{"rendered":"<p>[et_pb_section fb_built=&#8221;1&#8243; specialty=&#8221;on&#8221; _builder_version=&#8221;4.27.4&#8243; _module_preset=&#8221;default&#8221; custom_padding=&#8221;||15px|||&#8221; global_colors_info=&#8221;{}&#8221;][et_pb_column type=&#8221;3_4&#8243; specialty_columns=&#8221;3&#8243; _builder_version=&#8221;4.16&#8243; custom_padding=&#8221;|||&#8221; global_colors_info=&#8221;{}&#8221; custom_padding__hover=&#8221;|||&#8221;][et_pb_row_inner _builder_version=&#8221;4.27.4&#8243; _module_preset=&#8221;default&#8221; global_colors_info=&#8221;{}&#8221;][et_pb_column_inner saved_specialty_column_type=&#8221;3_4&#8243; _builder_version=&#8221;4.27.4&#8243; _module_preset=&#8221;default&#8221; global_colors_info=&#8221;{}&#8221;][et_pb_text _builder_version=&#8221;4.27.4&#8243; _module_preset=&#8221;default&#8221; custom_margin=&#8221;||18px|||&#8221; global_colors_info=&#8221;{}&#8221;]<\/p>\n<h2>TRATAMIENTOS HIDROFUGANTES, SUPERHIDROFUGANTES Y AUTOLIMPIANTES EN ROCAS MONUMENTALES (I)\u00a0<\/h2>\n<p>[\/et_pb_text][et_pb_image src=&#8221;https:\/\/olgapayan.com\/wp-content\/uploads\/2025\/04\/jay-castor-140248-unsplash.jpg&#8221; title_text=&#8221;jay-castor-140248-unsplash&#8221; align=&#8221;center&#8221; _builder_version=&#8221;4.27.4&#8243; _module_preset=&#8221;default&#8221; global_colors_info=&#8221;{}&#8221;][\/et_pb_image][et_pb_text _builder_version=&#8221;4.27.4&#8243; _module_preset=&#8221;default&#8221; text_font_size=&#8221;14px&#8221; global_colors_info=&#8221;{}&#8221;]<\/p>\n<p style=\"text-align: center;\">Photo by <a href=\"https:\/\/unsplash.com\/photos\/7AcMUSYRZpU?utm_source=unsplash&amp;utm_medium=referral&amp;utm_content=creditCopyText\">Jay Castor<\/a> on <a href=\"https:\/\/unsplash.com\/search\/photos\/lotus?utm_source=unsplash&amp;utm_medium=referral&amp;utm_content=creditCopyText\">Unsplash<\/a><\/p>\n<p>[\/et_pb_text][et_pb_text _builder_version=&#8221;4.27.4&#8243; _module_preset=&#8221;default&#8221; hover_enabled=&#8221;0&#8243; global_colors_info=&#8221;{}&#8221; sticky_enabled=&#8221;0&#8243;]<\/p>\n<p>Como ya hemos visto la consolidaci\u00f3n es una intervenci\u00f3n que tiene como objetivo devolver a las rocas patrimoniales sus propiedades y caracter\u00edsticas mec\u00e1nicas. Tras esta operaci\u00f3n es muy conveniente la aplicaci\u00f3n de un tratamiento hidrofugante capaz de crear en la superficie tratada un efecto hidrof\u00f3bico.<\/p>\n<p>Con esta nueva intervenci\u00f3n tratamos de impedir, o por lo menos limitar, la entrada de agua l\u00edquida en el interior de los materiales de construcci\u00f3n, uno de los principales agentes de alteraci\u00f3n de las rocas, aunque para que este tratamiento sea adecuado, debe permitir, tambi\u00e9n, el intercambio de vapor de agua del interior de la roca con el ambiente. Una superficie totalmente impermeable ser\u00eda perjudicial en edificaciones que sufren, por ejemplo, humedades en los paramentos por ascenso capilar. Es necesario, adem\u00e1s, que sean razonablemente estables frente a otros agentes de alteraci\u00f3n y al envejecimiento.<\/p>\n<p>[\/et_pb_text][et_pb_image src=&#8221;https:\/\/olgapayan.com\/wp-content\/uploads\/2025\/04\/IMG_20181125_133108cc.jpg&#8221; title_text=&#8221;IMG_20181125_133108\u00e7\u00e7&#8221; align=&#8221;center&#8221; _builder_version=&#8221;4.27.4&#8243; _module_preset=&#8221;default&#8221; locked=&#8221;off&#8221; global_colors_info=&#8221;{}&#8221;][\/et_pb_image][et_pb_text _builder_version=&#8221;4.27.4&#8243; _module_preset=&#8221;default&#8221; text_font_size=&#8221;14px&#8221; locked=&#8221;off&#8221; global_colors_info=&#8221;{}&#8221;]<\/p>\n<p style=\"text-align: center;\">Comportamiento de una gota de agua en una zona tratada y otra sin tratamiento hidrofugante<\/p>\n<p>[\/et_pb_text][et_pb_text _builder_version=&#8221;4.27.4&#8243; _module_preset=&#8221;default&#8221; hover_enabled=&#8221;0&#8243; locked=&#8221;off&#8221; global_colors_info=&#8221;{}&#8221; sticky_enabled=&#8221;0&#8243;]<\/p>\n<p>La capacidad de un material para ser hidrofugante est\u00e1 condicionada por dos propiedades:<\/p>\n<ul>\n<li style=\"list-style-type: none;\">\n<ul>\n<li>La hidrofobicidad<\/li>\n<li>La repelencia al agua<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<p>Estas dos propiedades nos aportan la informaci\u00f3n necesaria sobre la capacidad de penetraci\u00f3n y adhesi\u00f3n del agua l\u00edquida a una superficie y est\u00e1n supeditadas a la qu\u00edmica superficial y a la rugosidad de material.<\/p>\n<p>La capacidad de un l\u00edquido para extenderse sobre una superficie s\u00f3lida depende de las fuerzas intermoleculares cohesivas y adhesivas de los dos materiales que est\u00e1n en contacto. Esta capacidad est\u00e1 determinada por los \u00e1ngulos de contacto est\u00e1ticos de una gota de agua sobre una superficie. Si este \u00e1ngulo es igual o superior a 90\u00ba la superficie de ese material tendr\u00e1 propiedades hidrof\u00f3bicas.<\/p>\n<p>[\/et_pb_text][et_pb_image src=&#8221;https:\/\/olgapayan.com\/wp-content\/uploads\/2025\/04\/IMG_20181125_133042klkl.jpg&#8221; title_text=&#8221;IMG_20181125_133042klkl&#8221; align=&#8221;center&#8221; _builder_version=&#8221;4.27.4&#8243; _module_preset=&#8221;default&#8221; locked=&#8221;off&#8221; global_colors_info=&#8221;{}&#8221;][\/et_pb_image][et_pb_text _builder_version=&#8221;4.27.4&#8243; _module_preset=&#8221;default&#8221; text_font_size=&#8221;14px&#8221; locked=&#8221;off&#8221; global_colors_info=&#8221;{}&#8221;]<\/p>\n<p style=\"text-align: center;\">Superficie hidr\u00f3fila<\/p>\n<p>[\/et_pb_text][et_pb_image src=&#8221;https:\/\/olgapayan.com\/wp-content\/uploads\/2025\/04\/IMG_20181125_133051lnll.jpg&#8221; title_text=&#8221;IMG_20181125_133051l\u00f1ll&#8221; align=&#8221;center&#8221; _builder_version=&#8221;4.27.4&#8243; _module_preset=&#8221;default&#8221; locked=&#8221;off&#8221; global_colors_info=&#8221;{}&#8221;][\/et_pb_image][et_pb_text _builder_version=&#8221;4.27.4&#8243; _module_preset=&#8221;default&#8221; text_font_size=&#8221;14px&#8221; locked=&#8221;off&#8221; global_colors_info=&#8221;{}&#8221;]<\/p>\n<p style=\"text-align: center;\">Superficie hidr\u00f3foba<\/p>\n<p>[\/et_pb_text][et_pb_text _builder_version=&#8221;4.27.4&#8243; _module_preset=&#8221;default&#8221; hover_enabled=&#8221;0&#8243; locked=&#8221;off&#8221; global_colors_info=&#8221;{}&#8221; sticky_enabled=&#8221;0&#8243;]<\/p>\n<p>El agua es una sustancia polar formada por mol\u00e9culas con dos \u00e1tomos de hidr\u00f3geno y uno de ox\u00edgeno. Si mojamos un material formado por mol\u00e9culas polares, las mol\u00e9culas de agua se unir\u00e1n entre s\u00ed y adem\u00e1s establecer\u00e1n f\u00e1cilmente uniones con la superficie provocando que las gotas se extiendan y mojen. En este caso estaremos hablando de una superficie hidrof\u00edlica.<\/p>\n<p>En cambio, si la superficie es apolar, las mol\u00e9culas de agua tendr\u00e1n tendencia a unirse entre s\u00ed con mucha m\u00e1s facilidad que con la superficie y las gotas no se extender\u00e1n. Es un material hidr\u00f3fobo.<\/p>\n<p>La repelencia al agua de una superficie, es la diferencia entre el \u00e1ngulo de avance (\u03b8A)  y el \u00e1ngulo de retroceso (\u03b8R), es decir, la hist\u00e9resis del \u00e1ngulo de contacto. La repelencia es la fuerza requerida para mover una gota de agua depositada en una superficie, cuanto m\u00e1s peque\u00f1o sea la hist\u00e9resis del \u00e1ngulo de contacto, m\u00e1s facilidad tendr\u00e1n las gotas para deslizarse y la superficie ser\u00e1 m\u00e1s repelente al agua.<\/p>\n<p>Una superficie tambi\u00e9n puede tener caracter\u00edsticas super-hidrof\u00f3bicas cuando depositamos una gota de agua y \u00e9sta forma un \u00e1ngulo de contacto est\u00e1tico superior a 120\u00ba y la diferencia entre el \u00e1ngulo de avance y retroceso es inferior a 10\u00ba. Esta gota se mantiene en la superficie con una forma casi esf\u00e9rica que evita que penetre en su estructura y al final rueda sobre la superficie sin dejar huella. Este es el llamado \"efecto loto\", por el que las gotas del agua de lluvia ruedan por la superficie de las hojas arrastrando, adem\u00e1s, las peque\u00f1as part\u00edculas que puedan estar depositadas y generando un efecto auto-limpiante.<\/p>\n<p>[\/et_pb_text][et_pb_image src=&#8221;https:\/\/olgapayan.com\/wp-content\/uploads\/2025\/04\/IMG_20181125_133101lnln.jpg&#8221; title_text=&#8221;IMG_20181125_133101l\u00f1l\u00f1&#8221; align=&#8221;center&#8221; _builder_version=&#8221;4.27.4&#8243; _module_preset=&#8221;default&#8221; locked=&#8221;off&#8221; global_colors_info=&#8221;{}&#8221;][\/et_pb_image][et_pb_text _builder_version=&#8221;4.27.4&#8243; _module_preset=&#8221;default&#8221; text_font_size=&#8221;14px&#8221; locked=&#8221;off&#8221; global_colors_info=&#8221;{}&#8221;]<\/p>\n<p style=\"text-align: center;\">Superficie super-hidrof\u00f3bica<\/p>\n<p>[\/et_pb_text][et_pb_text _builder_version=&#8221;4.27.4&#8243; _module_preset=&#8221;default&#8221; hover_enabled=&#8221;0&#8243; locked=&#8221;off&#8221; global_colors_info=&#8221;{}&#8221; sticky_enabled=&#8221;0&#8243;]<\/p>\n<p>Este efecto est\u00e1 vinculado a una superficie estructurada en dos niveles con unas elevaciones o papilas redondeadas de tama\u00f1o microsc\u00f3pico, sobre las que est\u00e1n repartidos unos peque\u00f1os hilos de tama\u00f1o nanom\u00e9trico recubiertos, adem\u00e1s, de una sustancia cerosa. Estas superficies est\u00e1n adaptadas y combinan propiedades f\u00edsicas y qu\u00edmicas que ocasionan que las gotas que caen, queden suspendidas y arrastren, con mucha facilidad, las part\u00edculas de suciedad.<\/p>\n<p>[\/et_pb_text][et_pb_image src=&#8221;https:\/\/olgapayan.com\/wp-content\/uploads\/2025\/04\/IMG_20181125_133116jkjkjkj.jpg&#8221; title_text=&#8221;IMG_20181125_133116jkjkjkj&#8221; align=&#8221;center&#8221; _builder_version=&#8221;4.27.4&#8243; _module_preset=&#8221;default&#8221; locked=&#8221;off&#8221; global_colors_info=&#8221;{}&#8221;][\/et_pb_image][et_pb_text _builder_version=&#8221;4.27.4&#8243; _module_preset=&#8221;default&#8221; text_font_size=&#8221;14px&#8221; locked=&#8221;off&#8221; global_colors_info=&#8221;{}&#8221;]<\/p>\n<p style=\"text-align: center;\">Estructura superficial de una hoja de loto<\/p>\n<p>[\/et_pb_text][et_pb_text _builder_version=&#8221;4.27.4&#8243; _module_preset=&#8221;default&#8221; hover_enabled=&#8221;0&#8243; locked=&#8221;off&#8221; global_colors_info=&#8221;{}&#8221; sticky_enabled=&#8221;0&#8243;]<\/p>\n<p>Los productos basados en nanomateriales permiten imitar, de manera artificial, estos efectos sobre la superficie de los monumentos y modificar la capacidad de adhesi\u00f3n y penetraci\u00f3n del agua l\u00edquida en la rocas.<\/p>\n<p>&nbsp;<\/p>\n<p><a href=\"https:\/\/www.youtube.com\/watch?v=VHcd_4ftsNY\">https:\/\/www.youtube.com\/watch?v=VHcd_4ftsNY<\/a><\/p>\n<p>[\/et_pb_text][\/et_pb_column_inner][\/et_pb_row_inner][\/et_pb_column][et_pb_column type=&#8221;1_4&#8243; _builder_version=&#8221;4.16&#8243; custom_padding=&#8221;|||&#8221; global_colors_info=&#8221;{}&#8221; custom_padding__hover=&#8221;|||&#8221;][et_pb_text _builder_version=&#8221;4.27.4&#8243; _module_preset=&#8221;default&#8221; header_3_font_size=&#8221;30px&#8221; custom_margin=&#8221;||||false|false&#8221; global_colors_info=&#8221;{}&#8221;]<\/p>\n<h3>M\u00e1s noticias<\/h3>\n<p>[\/et_pb_text][et_pb_blog posts_number=&#8221;4&#8243; include_categories=&#8221;all&#8221; use_manual_excerpt=&#8221;off&#8221; show_author=&#8221;off&#8221; show_categories=&#8221;off&#8221; show_excerpt=&#8221;off&#8221; _builder_version=&#8221;4.27.4&#8243; _module_preset=&#8221;default&#8221; header_font_size=&#8221;25px&#8221; meta_font=&#8221;&#8211;et_global_heading_font||||||||&#8221; meta_font_size=&#8221;15px&#8221; border_radii_fullwidth=&#8221;on|10px|10px|10px|10px&#8221; global_colors_info=&#8221;{}&#8221;][\/et_pb_blog][\/et_pb_column][\/et_pb_section]<\/p>","protected":false},"excerpt":{"rendered":"<p>TRACTAMENTS HIDROFUGANTS, SUPERHIDROFUGANTS I AUTONETEJANTS EN ROQUES MONUMENTALS (I)\u00a0Photo by Jay Castor on UnsplashCom ja hem vist, la consolidaci\u00f3 \u00e9s una intervenci\u00f3 que t\u00e9 com a objectiu retornar a les roques patrimonials les seves propietats i caracter\u00edstiques mec\u00e0niques. Despr\u00e9s d\u2019aquesta operaci\u00f3, \u00e9s molt recomanable aplicar un tractament hidrofugant capa\u00e7 de crear, a la superf\u00edcie tractada, [&hellip;]<\/p>","protected":false},"author":1,"featured_media":695,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_et_pb_use_builder":"on","_et_pb_old_content":"","_et_gb_content_width":"2880","footnotes":""},"categories":[1],"tags":[],"class_list":["post-694","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-blog"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v25.6 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Tractaments Hidrofugants, Superhidrofugants i Autonetejants en Roca Monumentals (I) - Olga Payan<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/olgapayan.com\/es\/tractaments-hidrofugants-superhidrofugants-i-autonetejants-en-roca-monumentals-i\/\" \/>\n<meta property=\"og:locale\" content=\"es_ES\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Tractaments Hidrofugants, Superhidrofugants i Autonetejants en Roca Monumentals (I) - Olga Payan\" \/>\n<meta property=\"og:description\" content=\"TRACTAMENTS HIDROFUGANTS, SUPERHIDROFUGANTS I AUTONETEJANTS EN ROQUES MONUMENTALS (I)\u00a0Photo by Jay Castor on UnsplashCom ja hem vist, la consolidaci\u00f3 \u00e9s una intervenci\u00f3 que t\u00e9 com a objectiu retornar a les roques patrimonials les seves propietats i caracter\u00edstiques mec\u00e0niques. 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