{"id":9738,"date":"2025-09-02T17:40:30","date_gmt":"2025-09-02T15:40:30","guid":{"rendered":"https:\/\/www.adesiviesigillanti.it\/archive\/archive-2025\/fascicolo-3-2025\/6-universidad\/"},"modified":"2025-09-06T17:20:34","modified_gmt":"2025-09-06T15:20:34","slug":"6-universidad","status":"publish","type":"page","link":"https:\/\/www.adesiviesigillanti.it\/en\/archive\/archive-2025\/issue-3-2025\/6-universidad\/","title":{"rendered":"6-UNIVERSIDAD"},"content":{"rendered":"\t\t<div data-elementor-type=\"wp-page\" data-elementor-id=\"9738\" class=\"elementor elementor-9738\">\n\t\t\t\t<div class=\"elementor-element elementor-element-6964fe9 e-flex e-con-boxed e-con e-parent\" data-id=\"6964fe9\" data-element_type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t<div class=\"elementor-element elementor-element-34f62b8 e-con-full e-flex e-con e-child\" data-id=\"34f62b8\" data-element_type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-1b22916 elementor-widget elementor-widget-heading\" data-id=\"1b22916\" data-element_type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h1 class=\"elementor-heading-title elementor-size-default\">Customized polyurethane adhesives for sustainable facade cladding and thermal insulation\n<\/h1>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-3153df1 elementor-widget elementor-widget-text-editor\" data-id=\"3153df1\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<h5 style=\"text-align: center\"><strong><span style=\"color: #000000\">Sa\u00fal Vallejos Calzada<\/span><\/strong><br \/><strong><span style=\"color: #000000\">UNIVERSIDAD DE BURGOS<\/span><\/strong><\/h5>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-3faa00d elementor-widget elementor-widget-image\" data-id=\"3faa00d\" data-element_type=\"widget\" data-widget_type=\"image.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<img fetchpriority=\"high\" decoding=\"async\" width=\"768\" height=\"370\" src=\"https:\/\/www.adesiviesigillanti.it\/wp-content\/uploads\/2025\/09\/6_BURGOS-FIG-1-768x370.png\" class=\"attachment-medium_large size-medium_large wp-image-9408 no-lazyload\" alt=\"\" srcset=\"https:\/\/www.adesiviesigillanti.it\/wp-content\/uploads\/2025\/09\/6_BURGOS-FIG-1-768x370.png 768w, https:\/\/www.adesiviesigillanti.it\/wp-content\/uploads\/2025\/09\/6_BURGOS-FIG-1-300x145.png 300w, https:\/\/www.adesiviesigillanti.it\/wp-content\/uploads\/2025\/09\/6_BURGOS-FIG-1.png 1014w\" sizes=\"(max-width: 768px) 100vw, 768px\" \/>\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-73b941a elementor-widget elementor-widget-text-editor\" data-id=\"73b941a\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p class=\"p1\">As the world strives towards a carbon-neutral future, the choices made in construction materials and design become pivotal in contributing to the overarching aim of reducing carbon footprints.<br \/>Specifically, in modern construction, the fusion of aesthetics and functionality plays a key role in shaping architectural landscapes. In this sense, stone facade cladding is an example of respectful construction practices that align with achieving environmental goals, as it has a natural origin.<br \/>Sandstone, in particular, is a yellowish characteristic stone, easily tailored in slabs or tiles, that captivates the eye and can preserve and enlarge the lifetime of traditional facade isolating materials, like expanded polystyrene panels, reducing the need for frequent replacements and minimise environmental impact.<br \/>Extruded polystyrene foam (XPS) is known for its lightweight and excellent insulation properties.<br \/>XPS panels in decorative facades contribute significantly to improving energy efficiency due to their outstanding thermal barrier roperties, helping to regulate indoor temperatures and reducing the reliance on artificial heating or cooling systems.<br \/>Therefore, these panels enhance the comfort of occupants and diminish energy consumption, also during transportation due to their lightweight (XPS \u223c30 kg\/m<span class=\"s1\">3<\/span>) compared to other insulating materials like stone wool (70\u2013220 kg\/m<span class=\"s1\">3<\/span>), two highimpact variables in the broader context of sustainable building practices.<br \/>Moreover, as it was stated before, sandstone-XPS synergy combines aesthetics and enhanced functionality.<\/p><p><img decoding=\"async\" class=\"size-full wp-image-9409 aligncenter no-lazyload\" src=\"https:\/\/www.adesiviesigillanti.it\/wp-content\/uploads\/2025\/09\/6_BURGOS-FIG-2.png\" alt=\"\" width=\"997\" height=\"489\" srcset=\"https:\/\/www.adesiviesigillanti.it\/wp-content\/uploads\/2025\/09\/6_BURGOS-FIG-2.png 997w, https:\/\/www.adesiviesigillanti.it\/wp-content\/uploads\/2025\/09\/6_BURGOS-FIG-2-300x147.png 300w, https:\/\/www.adesiviesigillanti.it\/wp-content\/uploads\/2025\/09\/6_BURGOS-FIG-2-768x377.png 768w\" sizes=\"(max-width: 997px) 100vw, 997px\" \/><\/p><p class=\"p1\">Six PU adhesives were synthesised with two different polyols (PPG and PEG based) of three molecular weights, namely 400, 1000 and 2000 g mol<span class=\"s1\">\u22121<\/span>, and MDI, to prepare sandstone-XPS isolating fa\u00e7ade panels.<br \/>The chemical structure, thermal properties, and adhesion properties in the preparation of the panels were evaluated.<\/p><p><img decoding=\"async\" class=\"size-full wp-image-9411 aligncenter no-lazyload\" src=\"https:\/\/www.adesiviesigillanti.it\/wp-content\/uploads\/2025\/09\/6_BURGOS-FIG-3.png\" alt=\"\" width=\"693\" height=\"489\" srcset=\"https:\/\/www.adesiviesigillanti.it\/wp-content\/uploads\/2025\/09\/6_BURGOS-FIG-3.png 693w, https:\/\/www.adesiviesigillanti.it\/wp-content\/uploads\/2025\/09\/6_BURGOS-FIG-3-300x212.png 300w\" sizes=\"(max-width: 693px) 100vw, 693px\" \/><\/p><p class=\"p1\">Both sandstone and XPS are commonly used materials in construction due to their excellent insulating properties, durability, flexibility, water resistance, and aesthetic appeal, making them environmentally attractive.<br \/>The industry trend is towards using sanded XPS in these panels, as better adhesion is achieved with typical adhesives compared to satin or unsanded XPS. However, this entails waste generation from sanding, a higher panel price and a difference in adhesive consumption from 309 g m<span class=\"s1\">\u22122 <\/span>to 684 g m<span class=\"s1\">\u22122 <\/span>for unsanded (or satin) and sanded XPS, respectively. In this study, all prepared panels exhibit good adhesion properties, even those made with satin XPS. Panels prepared from PPG-based adhesives show better adhesion performance than those made from PEG, reaching 0.52 \u00b1 0.07 N mm<span class=\"s1\">\u22122 <\/span>with the 1000 g mol\u22121 PPG polyol-based adhesive.<br \/>These highest adhesion properties are due to the optimal balance of flexible and rigid segments in the polymer\u00a0material structure. The adhesive maintains its high performance even after harsh temperature and humidity conditions.<br \/>After accelerated ageing with heat, cold and water, the probes retain between 65 and 71 % of the original tensile strength (0.34 \u00b1 0.03, 0.35 \u00b1 0.07 and 0.37 \u00b1 0.01 N mm<span class=\"s1\">\u22122<\/span>, respectively).<br \/>This finding suggests an interesting starting point for cost savings associated with sanding and reduction in XPS waste generation, making them economically and environmentally appealing.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-f66b61a elementor-widget-divider--view-line elementor-widget elementor-widget-divider\" data-id=\"f66b61a\" data-element_type=\"widget\" data-widget_type=\"divider.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<div class=\"elementor-divider\">\n\t\t\t<span class=\"elementor-divider-separator\">\n\t\t\t\t\t\t<\/span>\n\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-6dc7001 elementor-widget elementor-widget-text-editor\" data-id=\"6dc7001\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<h5 style=\"text-align: center\"><a href=\"https:\/\/www.adesiviesigillanti.it\/wp-content\/uploads\/2025\/09\/Univers_Burgos-3-25.pdf\"><span style=\"color: #f0d30a\">DOWNLOAD THE PDF FILE<\/span><\/a><\/h5>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-2ae98077 e-con-full e-flex e-con e-child\" data-id=\"2ae98077\" data-element_type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-7f3426ab elementor-widget__width-inherit elementor-widget elementor-widget-heading\" data-id=\"7f3426ab\" data-element_type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h3 class=\"elementor-heading-title elementor-size-default\">Other contents<\/h3>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-7eb67176 elementor-widget-divider--view-line elementor-widget elementor-widget-divider\" data-id=\"7eb67176\" data-element_type=\"widget\" data-widget_type=\"divider.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<div class=\"elementor-divider\">\n\t\t\t<span class=\"elementor-divider-separator\">\n\t\t\t\t\t\t<\/span>\n\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-5e495d5 elementor-widget elementor-widget-heading\" data-id=\"5e495d5\" data-element_type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h3 class=\"elementor-heading-title elementor-size-default\"><a href=\"https:\/\/www.adesiviesigillanti.it\/en\/archive\/archive-2025\/issue-3-2025\/1-kaneka\/\">KANEKA BELGIUM NV<\/a><\/h3>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-66054373 elementor-widget elementor-widget-heading\" data-id=\"66054373\" data-element_type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\"><a href=\"https:\/\/www.adesiviesigillanti.it\/en\/archive\/archive-2025\/issue-3-2025\/1-kaneka\/\">The use of Kaneka polymer technology in waterproofing applications<\/a><\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-327255db elementor-widget-divider--view-line elementor-widget elementor-widget-divider\" data-id=\"327255db\" data-element_type=\"widget\" data-widget_type=\"divider.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<div class=\"elementor-divider\">\n\t\t\t<span class=\"elementor-divider-separator\">\n\t\t\t\t\t\t<\/span>\n\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-6527ffd2 elementor-widget elementor-widget-heading\" data-id=\"6527ffd2\" data-element_type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h3 class=\"elementor-heading-title elementor-size-default\"><a href=\"https:\/\/www.adesiviesigillanti.it\/en\/archive\/archive-2025\/issue-3-2025\/2-elementis\/\">ELEMENTIS<\/a><\/h3>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-2b4e611b elementor-widget elementor-widget-heading\" data-id=\"2b4e611b\" data-element_type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\"><a href=\"https:\/\/www.adesiviesigillanti.it\/en\/archive\/archive-2025\/issue-3-2025\/2-elementis\/\">Additives to enhance the performance of adhesives and sealants<\/a><\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-668fd799 elementor-widget-divider--view-line elementor-widget elementor-widget-divider\" data-id=\"668fd799\" data-element_type=\"widget\" data-widget_type=\"divider.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<div class=\"elementor-divider\">\n\t\t\t<span class=\"elementor-divider-separator\">\n\t\t\t\t\t\t<\/span>\n\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-187fbb02 elementor-widget elementor-widget-heading\" data-id=\"187fbb02\" data-element_type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h3 class=\"elementor-heading-title elementor-size-default\"><a href=\"https:\/\/www.adesiviesigillanti.it\/en\/archive\/archive-2025\/issue-3-2025\/3-sika\/\">SIKA<\/a><\/h3>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-787c0e9a elementor-widget elementor-widget-heading\" data-id=\"787c0e9a\" data-element_type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\"><a href=\"https:\/\/www.adesiviesigillanti.it\/en\/archive\/archive-2025\/issue-3-2025\/3-sika\/\">Overcoming the bonding challenge of polypropylene in industrial manufacturing<\/a><\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-2f1435f9 elementor-widget-divider--view-line elementor-widget elementor-widget-divider\" data-id=\"2f1435f9\" data-element_type=\"widget\" data-widget_type=\"divider.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<div class=\"elementor-divider\">\n\t\t\t<span class=\"elementor-divider-separator\">\n\t\t\t\t\t\t<\/span>\n\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-4e29dbf3 elementor-widget elementor-widget-heading\" data-id=\"4e29dbf3\" data-element_type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h3 class=\"elementor-heading-title elementor-size-default\"><a href=\"https:\/\/www.adesiviesigillanti.it\/en\/archive\/archive-2025\/issue-3-2025\/4-wacker-5-25\/\">WACKER<\/a><\/h3>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-1e90566a elementor-widget elementor-widget-heading\" data-id=\"1e90566a\" data-element_type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\"><a href=\"https:\/\/www.adesiviesigillanti.it\/en\/archive\/archive-2025\/issue-3-2025\/4-wacker-5-25\/\">High-performance binders help construction industry reduce carbon footprint<\/a><\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-4db6835f elementor-widget-divider--view-line elementor-widget elementor-widget-divider\" data-id=\"4db6835f\" data-element_type=\"widget\" data-widget_type=\"divider.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<div class=\"elementor-divider\">\n\t\t\t<span class=\"elementor-divider-separator\">\n\t\t\t\t\t\t<\/span>\n\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-f30700a elementor-widget elementor-widget-heading\" data-id=\"f30700a\" data-element_type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h3 class=\"elementor-heading-title elementor-size-default\"><a href=\"https:\/\/www.adesiviesigillanti.it\/en\/archive\/archive-2025\/issue-3-2025\/5-henkel-3-25\/\">HENKEL<\/a><\/h3>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-4376588d elementor-widget elementor-widget-heading\" data-id=\"4376588d\" data-element_type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\"><a href=\"https:\/\/www.adesiviesigillanti.it\/en\/archive\/archive-2025\/issue-3-2025\/5-henkel-3-25\/\">Henkel and Synthomer partner to cut carbon emissions in adhesives<\/a><\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-6809e3ae elementor-widget-divider--view-line elementor-widget elementor-widget-divider\" data-id=\"6809e3ae\" data-element_type=\"widget\" data-widget_type=\"divider.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<div class=\"elementor-divider\">\n\t\t\t<span class=\"elementor-divider-separator\">\n\t\t\t\t\t\t<\/span>\n\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-5da6256d e-flex e-con-boxed e-con e-parent\" data-id=\"5da6256d\" data-element_type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t","protected":false},"excerpt":{"rendered":"<p>Customized polyurethane adhesives for sustainable facade cladding and thermal insulation Sa\u00fal Vallejos CalzadaUNIVERSIDAD DE BURGOS As the world strives towards a carbon-neutral future, the choices made in construction materials and design become pivotal in contributing to the overarching aim of reducing carbon footprints.Specifically, in modern construction, the fusion of aesthetics and functionality plays a key [&hellip;]<\/p>\n","protected":false},"author":8,"featured_media":0,"parent":9583,"menu_order":6,"comment_status":"closed","ping_status":"closed","template":"","meta":{"footnotes":""},"class_list":["post-9738","page","type-page","status-publish","hentry"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.5 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>6-UNIVERSIDAD - Adesivi &amp; Sigillanti<\/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:\/\/www.adesiviesigillanti.it\/en\/archive\/archive-2025\/issue-3-2025\/6-universidad\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"6-UNIVERSIDAD - Adesivi &amp; Sigillanti\" \/>\n<meta property=\"og:description\" content=\"Customized polyurethane adhesives for sustainable facade cladding and thermal insulation Sa\u00fal Vallejos CalzadaUNIVERSIDAD DE BURGOS As the world strives towards a carbon-neutral future, the choices made in construction materials and design become pivotal in contributing to the overarching aim of reducing carbon footprints.Specifically, in modern construction, the fusion of aesthetics and functionality plays a key [&hellip;]\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.adesiviesigillanti.it\/en\/archive\/archive-2025\/issue-3-2025\/6-universidad\/\" \/>\n<meta property=\"og:site_name\" content=\"Adesivi &amp; Sigillanti\" \/>\n<meta property=\"article:modified_time\" content=\"2025-09-06T15:20:34+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/www.adesiviesigillanti.it\/wp-content\/uploads\/2025\/09\/6_BURGOS-FIG-1.png\" \/>\n\t<meta property=\"og:image:width\" content=\"1014\" \/>\n\t<meta property=\"og:image:height\" content=\"489\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/png\" \/>\n<meta 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