{"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":"<div class=\"et_d4_element et_pb_section et_pb_section_0  et_pb_css_mix_blend_mode et_section_specialty et_block_section\" >\n\t\t\t\t\n\t\t\t\t\n\t\t\t\t\n\t\t\t\t\n\t\t\t\t\n\t\t\t\t<div class=\"et_pb_row et_block_row et_d4_element\">\n\t\t\t\t<div class=\"et_d4_element et_pb_column_3_4 et_pb_column et_pb_column_0   et_pb_specialty_column  et_pb_css_mix_blend_mode et_block_column\">\n\t\t\t\t\n\t\t\t\t\n\t\t\t\t\n\t\t\t\t\n\t\t\t\t<div class=\"et_d4_element et_pb_row_inner et_pb_row_inner_0  et_pb_css_mix_blend_mode et_block_row\">\n\t\t\t\t<div class=\"et_pb_column et_pb_column_4_4 et_d4_element et_pb_column_inner et_pb_column_inner_0  et_pb_css_mix_blend_mode et-last-child et_block_column\">\n\t\t\t\t\n\t\t\t\t\n\t\t\t\t\n\t\t\t\t\n\t\t\t\t<div class=\"et_pb_module et_d4_element et_pb_text et_pb_text_0  et_pb_text_align_left et_pb_bg_layout_light\">\n\t\t\t\t\n\t\t\t\t\n\t\t\t\t\n\t\t\t\t\n\t\t\t\t<div class=\"et_pb_text_inner\"><h2>TRATAMIENTOS HIDROFUGANTES, SUPERHIDROFUGANTES Y AUTOLIMPIANTES EN ROCAS MONUMENTALES (I)\u00a0<\/h2><\/div>\n\t\t\t<\/div><div class=\"et_pb_module et_d4_element et_pb_image et_pb_image_0\">\n\t\t\t\t\n\t\t\t\t\n\t\t\t\t\n\t\t\t\t\n\t\t\t\t<span class=\"et_pb_image_wrap\"><img decoding=\"async\" width=\"1600\" height=\"1066\" data-src=\"https:\/\/olgapayan.com\/wp-content\/uploads\/2025\/04\/jay-castor-140248-unsplash.jpg\" alt=\"\" title=\"jay-castor-140248-unsplash\" data-srcset=\"https:\/\/olgapayan.com\/wp-content\/uploads\/2025\/04\/jay-castor-140248-unsplash.jpg 1600w, https:\/\/olgapayan.com\/wp-content\/uploads\/2025\/04\/jay-castor-140248-unsplash-1280x853.jpg 1280w, https:\/\/olgapayan.com\/wp-content\/uploads\/2025\/04\/jay-castor-140248-unsplash-980x653.jpg 980w, https:\/\/olgapayan.com\/wp-content\/uploads\/2025\/04\/jay-castor-140248-unsplash-480x320.jpg 480w\" data-sizes=\"(min-width: 0px) and (max-width: 480px) 480px, (min-width: 481px) and (max-width: 980px) 980px, (min-width: 981px) and (max-width: 1280px) 1280px, (min-width: 1281px) 1600px, 100vw\" class=\"wp-image-695 lazyload\" src=\"data:image\/svg+xml;base64,PHN2ZyB3aWR0aD0iMSIgaGVpZ2h0PSIxIiB4bWxucz0iaHR0cDovL3d3dy53My5vcmcvMjAwMC9zdmciPjwvc3ZnPg==\" style=\"--smush-placeholder-width: 1600px; --smush-placeholder-aspect-ratio: 1600\/1066;\" \/><\/span>\n\t\t\t<\/div><div class=\"et_pb_module et_d4_element et_pb_text et_pb_text_1  et_pb_text_align_left et_pb_bg_layout_light\">\n\t\t\t\t\n\t\t\t\t\n\t\t\t\t\n\t\t\t\t\n\t\t\t\t<div class=\"et_pb_text_inner\"><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><\/div>\n\t\t\t<\/div><div class=\"et_pb_module et_d4_element et_pb_text et_pb_text_2  et_pb_text_align_left et_pb_bg_layout_light\">\n\t\t\t\t\n\t\t\t\t\n\t\t\t\t\n\t\t\t\t\n\t\t\t\t<div class=\"et_pb_text_inner\"><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><\/div>\n\t\t\t<\/div><div class=\"et_pb_module et_d4_element et_pb_image et_pb_image_1\">\n\t\t\t\t\n\t\t\t\t\n\t\t\t\t\n\t\t\t\t\n\t\t\t\t<span class=\"et_pb_image_wrap\"><img decoding=\"async\" width=\"1600\" height=\"1533\" data-src=\"https:\/\/olgapayan.com\/wp-content\/uploads\/2025\/04\/IMG_20181125_133108cc.jpg\" alt=\"\" title=\"IMG_20181125_133108\u00e7\u00e7\" data-srcset=\"https:\/\/olgapayan.com\/wp-content\/uploads\/2025\/04\/IMG_20181125_133108cc.jpg 1600w, https:\/\/olgapayan.com\/wp-content\/uploads\/2025\/04\/IMG_20181125_133108cc-1280x1226.jpg 1280w, https:\/\/olgapayan.com\/wp-content\/uploads\/2025\/04\/IMG_20181125_133108cc-980x939.jpg 980w, https:\/\/olgapayan.com\/wp-content\/uploads\/2025\/04\/IMG_20181125_133108cc-480x460.jpg 480w\" data-sizes=\"(min-width: 0px) and (max-width: 480px) 480px, (min-width: 481px) and (max-width: 980px) 980px, (min-width: 981px) and (max-width: 1280px) 1280px, (min-width: 1281px) 1600px, 100vw\" class=\"wp-image-700 lazyload\" src=\"data:image\/svg+xml;base64,PHN2ZyB3aWR0aD0iMSIgaGVpZ2h0PSIxIiB4bWxucz0iaHR0cDovL3d3dy53My5vcmcvMjAwMC9zdmciPjwvc3ZnPg==\" style=\"--smush-placeholder-width: 1600px; --smush-placeholder-aspect-ratio: 1600\/1533;\" \/><\/span>\n\t\t\t<\/div><div class=\"et_pb_module et_d4_element et_pb_text et_pb_text_3  et_pb_text_align_left et_pb_bg_layout_light\">\n\t\t\t\t\n\t\t\t\t\n\t\t\t\t\n\t\t\t\t\n\t\t\t\t<div class=\"et_pb_text_inner\"><p style=\"text-align: center;\">Comportamiento de una gota de agua en una zona tratada y otra sin tratamiento hidrofugante<\/p><\/div>\n\t\t\t<\/div><div class=\"et_pb_module et_d4_element et_pb_text et_pb_text_4  et_pb_text_align_left et_pb_bg_layout_light\">\n\t\t\t\t\n\t\t\t\t\n\t\t\t\t\n\t\t\t\t\n\t\t\t\t<div class=\"et_pb_text_inner\"><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><\/div>\n\t\t\t<\/div><div class=\"et_pb_module et_d4_element et_pb_image et_pb_image_2\">\n\t\t\t\t\n\t\t\t\t\n\t\t\t\t\n\t\t\t\t\n\t\t\t\t<span class=\"et_pb_image_wrap\"><img decoding=\"async\" width=\"1569\" height=\"1600\" data-src=\"https:\/\/olgapayan.com\/wp-content\/uploads\/2025\/04\/IMG_20181125_133042klkl.jpg\" alt=\"\" title=\"IMG_20181125_133042klkl\" data-srcset=\"https:\/\/olgapayan.com\/wp-content\/uploads\/2025\/04\/IMG_20181125_133042klkl.jpg 1569w, https:\/\/olgapayan.com\/wp-content\/uploads\/2025\/04\/IMG_20181125_133042klkl-1280x1305.jpg 1280w, https:\/\/olgapayan.com\/wp-content\/uploads\/2025\/04\/IMG_20181125_133042klkl-980x999.jpg 980w, https:\/\/olgapayan.com\/wp-content\/uploads\/2025\/04\/IMG_20181125_133042klkl-480x489.jpg 480w\" data-sizes=\"(min-width: 0px) and (max-width: 480px) 480px, (min-width: 481px) and (max-width: 980px) 980px, (min-width: 981px) and (max-width: 1280px) 1280px, (min-width: 1281px) 1569px, 100vw\" class=\"wp-image-701 lazyload\" src=\"data:image\/svg+xml;base64,PHN2ZyB3aWR0aD0iMSIgaGVpZ2h0PSIxIiB4bWxucz0iaHR0cDovL3d3dy53My5vcmcvMjAwMC9zdmciPjwvc3ZnPg==\" style=\"--smush-placeholder-width: 1569px; --smush-placeholder-aspect-ratio: 1569\/1600;\" \/><\/span>\n\t\t\t<\/div><div class=\"et_pb_module et_d4_element et_pb_text et_pb_text_5  et_pb_text_align_left et_pb_bg_layout_light\">\n\t\t\t\t\n\t\t\t\t\n\t\t\t\t\n\t\t\t\t\n\t\t\t\t<div class=\"et_pb_text_inner\"><p style=\"text-align: center;\">Superficie hidr\u00f3fila<\/p><\/div>\n\t\t\t<\/div><div class=\"et_pb_module et_d4_element et_pb_image et_pb_image_3\">\n\t\t\t\t\n\t\t\t\t\n\t\t\t\t\n\t\t\t\t\n\t\t\t\t<span class=\"et_pb_image_wrap\"><img decoding=\"async\" width=\"1593\" height=\"1600\" data-src=\"https:\/\/olgapayan.com\/wp-content\/uploads\/2025\/04\/IMG_20181125_133051lnll.jpg\" alt=\"\" title=\"IMG_20181125_133051l\u00f1ll\" data-srcset=\"https:\/\/olgapayan.com\/wp-content\/uploads\/2025\/04\/IMG_20181125_133051lnll.jpg 1593w, https:\/\/olgapayan.com\/wp-content\/uploads\/2025\/04\/IMG_20181125_133051lnll-1280x1286.jpg 1280w, https:\/\/olgapayan.com\/wp-content\/uploads\/2025\/04\/IMG_20181125_133051lnll-980x984.jpg 980w, https:\/\/olgapayan.com\/wp-content\/uploads\/2025\/04\/IMG_20181125_133051lnll-480x482.jpg 480w\" data-sizes=\"(min-width: 0px) and (max-width: 480px) 480px, (min-width: 481px) and (max-width: 980px) 980px, (min-width: 981px) and (max-width: 1280px) 1280px, (min-width: 1281px) 1593px, 100vw\" class=\"wp-image-702 lazyload\" src=\"data:image\/svg+xml;base64,PHN2ZyB3aWR0aD0iMSIgaGVpZ2h0PSIxIiB4bWxucz0iaHR0cDovL3d3dy53My5vcmcvMjAwMC9zdmciPjwvc3ZnPg==\" style=\"--smush-placeholder-width: 1593px; --smush-placeholder-aspect-ratio: 1593\/1600;\" \/><\/span>\n\t\t\t<\/div><div class=\"et_pb_module et_d4_element et_pb_text et_pb_text_6  et_pb_text_align_left et_pb_bg_layout_light\">\n\t\t\t\t\n\t\t\t\t\n\t\t\t\t\n\t\t\t\t\n\t\t\t\t<div class=\"et_pb_text_inner\"><p style=\"text-align: center;\">Superficie hidr\u00f3foba<\/p><\/div>\n\t\t\t<\/div><div class=\"et_pb_module et_d4_element et_pb_text et_pb_text_7  et_pb_text_align_left et_pb_bg_layout_light\">\n\t\t\t\t\n\t\t\t\t\n\t\t\t\t\n\t\t\t\t\n\t\t\t\t<div class=\"et_pb_text_inner\"><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><\/div>\n\t\t\t<\/div><div class=\"et_pb_module et_d4_element et_pb_image et_pb_image_4\">\n\t\t\t\t\n\t\t\t\t\n\t\t\t\t\n\t\t\t\t\n\t\t\t\t<span class=\"et_pb_image_wrap\"><img decoding=\"async\" width=\"1508\" height=\"1600\" data-src=\"https:\/\/olgapayan.com\/wp-content\/uploads\/2025\/04\/IMG_20181125_133101lnln.jpg\" alt=\"\" title=\"IMG_20181125_133101l\u00f1l\u00f1\" data-srcset=\"https:\/\/olgapayan.com\/wp-content\/uploads\/2025\/04\/IMG_20181125_133101lnln.jpg 1508w, https:\/\/olgapayan.com\/wp-content\/uploads\/2025\/04\/IMG_20181125_133101lnln-1280x1358.jpg 1280w, https:\/\/olgapayan.com\/wp-content\/uploads\/2025\/04\/IMG_20181125_133101lnln-980x1040.jpg 980w, https:\/\/olgapayan.com\/wp-content\/uploads\/2025\/04\/IMG_20181125_133101lnln-480x509.jpg 480w\" data-sizes=\"(min-width: 0px) and (max-width: 480px) 480px, (min-width: 481px) and (max-width: 980px) 980px, (min-width: 981px) and (max-width: 1280px) 1280px, (min-width: 1281px) 1508px, 100vw\" class=\"wp-image-703 lazyload\" src=\"data:image\/svg+xml;base64,PHN2ZyB3aWR0aD0iMSIgaGVpZ2h0PSIxIiB4bWxucz0iaHR0cDovL3d3dy53My5vcmcvMjAwMC9zdmciPjwvc3ZnPg==\" style=\"--smush-placeholder-width: 1508px; --smush-placeholder-aspect-ratio: 1508\/1600;\" \/><\/span>\n\t\t\t<\/div><div class=\"et_pb_module et_d4_element et_pb_text et_pb_text_8  et_pb_text_align_left et_pb_bg_layout_light\">\n\t\t\t\t\n\t\t\t\t\n\t\t\t\t\n\t\t\t\t\n\t\t\t\t<div class=\"et_pb_text_inner\"><p style=\"text-align: center;\">Superficie super-hidrof\u00f3bica<\/p><\/div>\n\t\t\t<\/div><div class=\"et_pb_module et_d4_element et_pb_text et_pb_text_9  et_pb_text_align_left et_pb_bg_layout_light\">\n\t\t\t\t\n\t\t\t\t\n\t\t\t\t\n\t\t\t\t\n\t\t\t\t<div class=\"et_pb_text_inner\"><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><\/div>\n\t\t\t<\/div><div class=\"et_pb_module et_d4_element et_pb_image et_pb_image_5\">\n\t\t\t\t\n\t\t\t\t\n\t\t\t\t\n\t\t\t\t\n\t\t\t\t<span class=\"et_pb_image_wrap\"><img decoding=\"async\" width=\"1600\" height=\"1583\" data-src=\"https:\/\/olgapayan.com\/wp-content\/uploads\/2025\/04\/IMG_20181125_133116jkjkjkj.jpg\" alt=\"\" title=\"IMG_20181125_133116jkjkjkj\" data-srcset=\"https:\/\/olgapayan.com\/wp-content\/uploads\/2025\/04\/IMG_20181125_133116jkjkjkj.jpg 1600w, https:\/\/olgapayan.com\/wp-content\/uploads\/2025\/04\/IMG_20181125_133116jkjkjkj-1280x1266.jpg 1280w, https:\/\/olgapayan.com\/wp-content\/uploads\/2025\/04\/IMG_20181125_133116jkjkjkj-980x970.jpg 980w, https:\/\/olgapayan.com\/wp-content\/uploads\/2025\/04\/IMG_20181125_133116jkjkjkj-480x475.jpg 480w\" data-sizes=\"(min-width: 0px) and (max-width: 480px) 480px, (min-width: 481px) and (max-width: 980px) 980px, (min-width: 981px) and (max-width: 1280px) 1280px, (min-width: 1281px) 1600px, 100vw\" class=\"wp-image-704 lazyload\" src=\"data:image\/svg+xml;base64,PHN2ZyB3aWR0aD0iMSIgaGVpZ2h0PSIxIiB4bWxucz0iaHR0cDovL3d3dy53My5vcmcvMjAwMC9zdmciPjwvc3ZnPg==\" style=\"--smush-placeholder-width: 1600px; --smush-placeholder-aspect-ratio: 1600\/1583;\" \/><\/span>\n\t\t\t<\/div><div class=\"et_pb_module et_d4_element et_pb_text et_pb_text_10  et_pb_text_align_left et_pb_bg_layout_light\">\n\t\t\t\t\n\t\t\t\t\n\t\t\t\t\n\t\t\t\t\n\t\t\t\t<div class=\"et_pb_text_inner\"><p style=\"text-align: center;\">Estructura superficial de una hoja de loto<\/p><\/div>\n\t\t\t<\/div><div class=\"et_pb_module et_d4_element et_pb_text et_pb_text_11  et_pb_text_align_left et_pb_bg_layout_light\">\n\t\t\t\t\n\t\t\t\t\n\t\t\t\t\n\t\t\t\t\n\t\t\t\t<div class=\"et_pb_text_inner\"><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><\/div>\n\t\t\t<\/div>\n\t\t\t<\/div>\n\t\t\t\t\n\t\t\t\t\n\t\t\t\t\n\t\t\t\t\n\t\t\t<\/div>\n\t\t\t<\/div><div class=\"et_d4_element et_pb_column_1_4 et_pb_column et_pb_column_1    et_pb_css_mix_blend_mode et_block_column\">\n\t\t\t\t\n\t\t\t\t\n\t\t\t\t\n\t\t\t\t\n\t\t\t\t<div class=\"et_pb_module et_d4_element et_pb_text et_pb_text_12  et_pb_text_align_left et_pb_bg_layout_light\">\n\t\t\t\t\n\t\t\t\t\n\t\t\t\t\n\t\t\t\t\n\t\t\t\t<div class=\"et_pb_text_inner\"><h3>M\u00e1s noticias<\/h3><\/div>\n\t\t\t<\/div><div class=\"et_pb_module et_d4_element et_pb_blog_0  et_pb_css_mix_blend_mode et_pb_posts et_pb_bg_layout_light\">\n\t\t\t\t\n\t\t\t\t\n\t\t\t\t\n\t\t\t\t\n\t\t\t\t<div class=\"et_pb_ajax_pagination_container\">\n\t\t\t\t\t\n\t\t\t<article id=\"post-807\" class=\"et_pb_post clearfix et_pb_blog_item_0_0 post-807 post type-post status-publish format-standard has-post-thumbnail hentry category-blog\">\n\n\t\t\t\t<a href=\"https:\/\/olgapayan.com\/es\/analisi-organoleptica-i-classificacio-dels-plastics-filmics-derivats-de-la-cellulosa\/\" class=\"entry-featured-image-url\"><img decoding=\"async\" data-src=\"https:\/\/olgapayan.com\/wp-content\/uploads\/2025\/04\/Archivo-Di-Chiara-1920-1-1080x675.jpg\" alt=\"An\u00e0lisi Organol\u00e8ptica I Classificaci\u00f3 Dels Pl\u00e0stics F\u00edlmics Derivats De La Cel\u00b7lulosa\" width=\"1080\" height=\"675\" data-srcset=\"https:\/\/olgapayan.com\/wp-content\/uploads\/2025\/04\/Archivo-Di-Chiara-1920-1-980x551.jpg 980w, https:\/\/olgapayan.com\/wp-content\/uploads\/2025\/04\/Archivo-Di-Chiara-1920-1-480x270.jpg 480w\" data-sizes=\"(min-width: 0px) and (max-width: 480px) 480px, (min-width: 481px) and (max-width: 980px) 980px, (min-width: 981px) 1080px, 100vw\" src=\"data:image\/svg+xml;base64,PHN2ZyB3aWR0aD0iMSIgaGVpZ2h0PSIxIiB4bWxucz0iaHR0cDovL3d3dy53My5vcmcvMjAwMC9zdmciPjwvc3ZnPg==\" class=\"lazyload\" style=\"--smush-placeholder-width: 1080px; --smush-placeholder-aspect-ratio: 1080\/675;\" \/><\/a>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t<h2 class=\"entry-title\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t<a href=\"https:\/\/olgapayan.com\/es\/analisi-organoleptica-i-classificacio-dels-plastics-filmics-derivats-de-la-cellulosa\/\">An\u00e1lisis Organol\u00e9ptico y Clasificaci\u00f3n de los Pl\u00e1sticos F\u00edlmicos Derivados de la Celulosa<\/a>\n\t\t\t\t\t\t\t\t\t\t\t<\/h2>\n\t\t\t\t\n\t\t\t\t\t<p class=\"post-meta\"><span class=\"published\">Mar 19, 2020<\/span><\/p><div class=\"post-content\"><div class=\"post-content-inner et_multi_view_hidden\"><p>AN\u00c0LISI ORGANOL\u00c8PTICA I CLASSIFICACI\u00d3 DELS PL\u00c0STICS F\u00cdLMICS DERIVATS DE LA CEL\u00b7LULOSALa voluntat de conservar materials f\u00edlmics no \u00e9s quelcom nou. Des dels mateixos or\u00edgens de la cinematografia es va tenir consci\u00e8ncia de la seva import\u00e0ncia i al llarg de la hist\u00f2ria...<\/p>\n<\/div><\/div>\t\t\t\n\t\t\t<\/article>\n\t\t\t\t\n\t\t\t<article id=\"post-199\" class=\"et_pb_post clearfix et_pb_blog_item_0_1 post-199 post type-post status-publish format-standard has-post-thumbnail hentry category-blog\">\n\n\t\t\t\t<a href=\"https:\/\/olgapayan.com\/es\/els-primers-materials-plastics\/\" class=\"entry-featured-image-url\"><img decoding=\"async\" data-src=\"https:\/\/olgapayan.com\/wp-content\/uploads\/2025\/04\/2006_RMA_02492_0215_000.jpg\" alt=\"Els primers materials pl\u00e0stics (I)\" width=\"1080\" height=\"675\" data-srcset=\"https:\/\/olgapayan.com\/wp-content\/uploads\/2025\/04\/2006_RMA_02492_0215_000.jpg 1080w, https:\/\/olgapayan.com\/wp-content\/uploads\/2025\/04\/2006_RMA_02492_0215_000-480x489.jpg 480w\" data-sizes=\"(min-width: 0px) and (max-width: 480px) 480px, (min-width: 481px) 1080px, 100vw\" src=\"data:image\/svg+xml;base64,PHN2ZyB3aWR0aD0iMSIgaGVpZ2h0PSIxIiB4bWxucz0iaHR0cDovL3d3dy53My5vcmcvMjAwMC9zdmciPjwvc3ZnPg==\" class=\"lazyload\" style=\"--smush-placeholder-width: 1080px; --smush-placeholder-aspect-ratio: 1080\/675;\" \/><\/a>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t<h2 class=\"entry-title\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t<a href=\"https:\/\/olgapayan.com\/es\/els-primers-materials-plastics\/\">Los Primeros Materiales Pl\u00e1sticos (I)<\/a>\n\t\t\t\t\t\t\t\t\t\t\t<\/h2>\n\t\t\t\t\n\t\t\t\t\t<p class=\"post-meta\"><span class=\"published\">Ago 12, 2019<\/span><\/p><div class=\"post-content\"><div class=\"post-content-inner et_multi_view_hidden\"><p>ELS PRIMERS MATERIALS PL\u00c0STICS (I)\u00a0Aire d'artista (Piero Manzoni)Es calcula que el 60 % dels milers de milions de tones de pl\u00e0stic fabricades fins ara suren als oceans o romanen dipositats en abocadors, per\u00f2 en aquest moment, malgrat que els pl\u00e0stics s'han convertit...<\/p>\n<\/div><\/div>\t\t\t\n\t\t\t<\/article>\n\t\t\t\t\n\t\t\t<article id=\"post-798\" class=\"et_pb_post clearfix et_pb_blog_item_0_2 post-798 post type-post status-publish format-standard has-post-thumbnail hentry category-blog\">\n\n\t\t\t\t<a href=\"https:\/\/olgapayan.com\/es\/josep-gaspar-i-serra\/\" class=\"entry-featured-image-url\"><img decoding=\"async\" data-src=\"https:\/\/olgapayan.com\/wp-content\/uploads\/2025\/04\/josep-gaspar-i-serra-762x675.jpg\" alt=\"Josep Gaspar I Serra\" width=\"1080\" height=\"675\" data-srcset=\"https:\/\/olgapayan.com\/wp-content\/uploads\/2025\/04\/josep-gaspar-i-serra-762x675.jpg 1080w, https:\/\/olgapayan.com\/wp-content\/uploads\/2025\/04\/josep-gaspar-i-serra-480x645.jpg 480w\" data-sizes=\"(min-width: 0px) and (max-width: 480px) 480px, (min-width: 481px) 1080px, 100vw\" src=\"data:image\/svg+xml;base64,PHN2ZyB3aWR0aD0iMSIgaGVpZ2h0PSIxIiB4bWxucz0iaHR0cDovL3d3dy53My5vcmcvMjAwMC9zdmciPjwvc3ZnPg==\" class=\"lazyload\" style=\"--smush-placeholder-width: 1080px; --smush-placeholder-aspect-ratio: 1080\/675;\" \/><\/a>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t<h2 class=\"entry-title\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t<a href=\"https:\/\/olgapayan.com\/es\/josep-gaspar-i-serra\/\">Josep Gaspar I Serra<\/a>\n\t\t\t\t\t\t\t\t\t\t\t<\/h2>\n\t\t\t\t\n\t\t\t\t\t<p class=\"post-meta\"><span class=\"published\">Jun 18, 2019<\/span><\/p><div class=\"post-content\"><div class=\"post-content-inner et_multi_view_hidden\"><p>JOSEP GASPAR I SERRAJosep Gaspar i Serra va n\u00e9ixer a Manresa l\u2019any 1892 i va ser un dels documentalistes m\u00e9s importants dels inicis del cinema a Espanya; malauradament, gran part de la seva obra no s\u2019ha conservat. 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