{"id":3522,"date":"2019-10-15T16:28:27","date_gmt":"2019-10-15T14:28:27","guid":{"rendered":"https:\/\/www.barcelonesa.com\/polioles-de-polieter-ppg-con-tecnologia-dmc-hacia-un-poliuretano-mas-sostenible\/"},"modified":"2021-06-21T17:45:17","modified_gmt":"2021-06-21T15:45:17","slug":"polioles-de-polieter-ppg-con-tecnologia-dmc-hacia-un-poliuretano-mas-sostenible","status":"publish","type":"post","link":"https:\/\/www.barcelonesa.com\/es\/blog\/polioles-de-polieter-ppg-con-tecnologia-dmc-hacia-un-poliuretano-mas-sostenible\/","title":{"rendered":"Polioles de poli\u00e9ter PPG con tecnolog\u00eda DMC: hacia un poliuretano m\u00e1s sostenible."},"content":{"rendered":"<p>Colchones, cojines, asientos de coche, salvau\u00f1as, protecci\u00f3n de embalajes delicados, aislantes t\u00e9rmicos y ac\u00fasticos, revestimientos para suelo\u2026 aunque la mayor parte de las veces no los veamos, los poliuretanos son posiblemente los pol\u00edmeros m\u00e1s presentes en nuestra vida diaria.<\/p>\n<p>En la fabricaci\u00f3n de poliuretanos, se utilizan polioles, normalmente de poli\u00e9ster y\/o de poli\u00e9ter, cuyas caracter\u00edsticas son las que determinan las propiedades finales del producto. Dentro de los polioles de poli\u00e9ter, los PPG (polipropilenglicol) tienen un uso muy extendido, sobre todo en aplicaciones CASE (coatings, adhesivos, sellantes y elast\u00f3meros).<\/p>\n<p>Para la s\u00edntesis de los polioles de poli\u00e9ter PPG se necesita un catalizador que tradicionalmente ha sido el KOH (hidr\u00f3xido de potasio). Esta tecnolog\u00eda resulta bastante barata pero no permite producir pesos moleculares elevados y adem\u00e1s genera mayor presencia de monoles e insaturados durante el proceso, reduciendo la funcionalidad e incrementando potencialmente las emisiones de compuestos org\u00e1nicos vol\u00e1tiles (COVs) en la posterior s\u00edntesis de poliuretanos.<\/p>\n<p>Ya en los a\u00f1os 60 la industria qu\u00edmica empez\u00f3 a desarrollar polioles de poli\u00e9ter usando como catalizador cianuro de doble metal<strong> (DMC)<\/strong> en lugar de KOH, pero no fue hasta principios del siglo XXI que dicha tecnolog\u00eda se perfeccion\u00f3 demostrando ser m\u00e1s <strong>amigable con el medio ambiente, ya que pr\u00e1cticamente no genera subproductos y se reduce el olor<\/strong>.<\/p>\n<p>Adem\u00e1s, gracias a la posibilidad de producir pesos moleculares m\u00e1s elevados que cuentan con valores hidroxilo (OH) m\u00e1s bajos, <strong>se puede reducir la cantidad de isocianato necesario para la fabricaci\u00f3n de poliuretanos, con el consiguiente menor impacto ambiental y ahorro de costes<\/strong>, obteni\u00e9ndose un producto final de calidad excelente gracias a las propiedades f\u00edsico-qu\u00edmicas de estos polioles que incluso son aptos para uso alimentario (food contact).<\/p>\n<p>Hace dos a\u00f1os alcanzamos un acuerdo de distribuci\u00f3n exclusivo para el mercado espa\u00f1ol con el fabricante de polioles de poli\u00e9ter PCC Rokita. Este grupo industrial, ubicado en Polonia y de capital alem\u00e1n, es reconocido por la excelente calidad de sus productos y por su alta capacidad de innovaci\u00f3n, habiendo desarrollado su propia tecnolog\u00eda DMC que ahora presentamos en Barcelonesa.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Colchones, cojines, asientos de coche, salvau\u00f1as, protecci\u00f3n de embalajes delicados, aislantes t\u00e9rmicos y ac\u00fasticos, revestimientos para suelo\u2026 aunque la mayor parte de las veces no los veamos, los poliuretanos son posiblemente los pol\u00edmeros m\u00e1s presentes en nuestra vida diaria. En la fabricaci\u00f3n de poliuretanos, se utilizan polioles, normalmente de poli\u00e9ster y\/o de poli\u00e9ter, cuyas caracter\u00edsticas [&hellip;]<\/p>\n","protected":false},"author":16,"featured_media":3523,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"site-sidebar-layout":"default","site-content-layout":"default","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":"default","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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