{"id":131279,"date":"2021-08-06T10:15:14","date_gmt":"2021-08-06T08:15:14","guid":{"rendered":"https:\/\/concentrol.com\/cdti-project-new-silicone-stabilizers-for-flexible-polyurethane-foams\/"},"modified":"2021-08-06T10:19:32","modified_gmt":"2021-08-06T08:19:32","slug":"projecte-cdti-nous-estabilitzants-de-silicona-per-a-espuma-de-poliureta-flexible","status":"publish","type":"post","link":"https:\/\/hosting175685eu-cp704.wordpresstemporal.com\/ca\/projecte-cdti-nous-estabilitzants-de-silicona-per-a-espuma-de-poliureta-flexible\/","title":{"rendered":"Projecte CDTI &#8211; Nous estabilitzants de silicona per a espuma de poliuret\u00e0 flexible"},"content":{"rendered":"<div class=\"wpb-content-wrapper\"><p>[vc_row][vc_column][vc_column_text]<span style=\"font-weight: 400;\">Concentrol est\u00e0 en contacte amb el sector del poliuret\u00e0 des de fa m\u00e9s de 40 anys. Inicialment amb la fabricaci\u00f3 de desemmotllants per a espumes de poliuret\u00e0 (per als sectors d&#8217;automoci\u00f3, mobiliari, matalassos, etc.) i des de l&#8217;any 2000, tamb\u00e9 amb els estabilitzants de silicona, additius que s&#8217;utilitzen en pr\u00e0cticament qualsevol mena d&#8217;espuma.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">En els \u00faltims anys, els fabricants d&#8217;espumes de poliuret\u00e0 han anat adaptant els seus productes als requeriments dels clients, a m\u00e9s d&#8217;actualitzar-se i adaptar-se als canvis reglamentaris (principalment relacionats a components perillosos en les espumes). Des de Concentrol seguim de prop les evolucions t\u00e8cniques del sector i apostem per la innovaci\u00f3 continuada en aquesta gamma, per a poder oferir les solucions m\u00e9s bones i adaptades a les noves exig\u00e8ncies del mercat quant a sostenibilitat i resultats.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">Hem detectat en aquests \u00faltims anys diferents demandes i tend\u00e8ncies de mercat, dues d&#8217;elles es repeteixen de manera clara i han estat catalitzadors de canvis importants en les formulacions de poliuret\u00e0, sent encara en aquests moments objecte d&#8217;estudi per a millores afegides:<\/span><\/p>\n<ol>\n<li><span style=\"font-weight: 400;\"> Reducci\u00f3 d&#8217;emissions vol\u00e0tils (VOC) i olors.<\/span><\/li>\n<li><span style=\"font-weight: 400;\"> Minimitzaci\u00f3, substituci\u00f3 i eliminaci\u00f3 de materials provinents del petroli. En particular, els poliols utilitzats en l&#8217;obtenci\u00f3 d&#8217;escumes de poliuret\u00e0.<\/span><\/li>\n<\/ol>\n<p><span style=\"font-weight: 400;\">En relaci\u00f3 amb el primer punt, Concentrol ha estat treballant en el disseny de nous estabilitzants de baixes emissions i amb una molt baixa contribuci\u00f3 a l&#8217;olor en l&#8217;escuma final [i] [ii]. Aquests estudis i les millores en els productes que d&#8217;ells s&#8217;han obtingut s&#8217;han aplicat a la gamma de productes per al sector del poliuret\u00e0 flexible modelat, principalment per a la fabricaci\u00f3 d&#8217;escumes per als seients d&#8217;autom\u00f2bils.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">Existeix una demanda en el sector del poliuret\u00e0 flexible convencional (principalment fabricadors d&#8217;escumes per a matalassos i mobiliari) per a aconseguir una reducci\u00f3 d&#8217;emissions VOC i d&#8217;olors qu\u00edmiques.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">Aquests components vol\u00e0tils s\u00f3n mol\u00e8cules amb diferents nivells de toxicitat, i els organismes reguladors limiten de manera constant les quantitats m\u00e0ximes residuals en productes de consum. Un exemple el trobem en la recent decisi\u00f3 d&#8217;incloure els components c\u00edclics vol\u00e0tils de les silicones en la llista de subst\u00e0ncies SVHC [iii].<\/span><\/p>\n<p><span style=\"font-weight: 400;\">Aquestes demandes no estan encara tan resoltes com en el sector de l&#8217;autom\u00f2bil, per\u00f2 a poc a poc es converteixen en tend\u00e8ncia i necessitat de mercat. Hem identificat aquesta necessitat com un camp de recerca prioritari, que no est\u00e0 resolt t\u00e8cnicament en aquest moment per cap fabricant i que planteja un repte t\u00e8cnic interessant. <\/span><span style=\"font-weight: 400;\">La seva resoluci\u00f3, amb la creaci\u00f3 d&#8217;una gamma de productes adequats \u00e9s doncs el primer objectiu del projecte<\/span><span style=\"font-weight: 400;\">.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">En relaci\u00f3 amb el segon punt, en els \u00faltims anys s&#8217;han introdu\u00eft formulacions en les quals una part del component poliol poli\u00e8ter (amb mon\u00f2mers provinents del petroli) s&#8217;ha substitu\u00eft per poliols de tipus poli\u00e8ster, o b\u00e9 per poliols poli\u00e8ter que provenen de la reacci\u00f3 del CO\u2082.[iv][v] Aquesta l\u00ednia de recerca est\u00e0 encara en fase molt preliminar, per\u00f2 obre una finestra de recerca molt interessant, en reduir d&#8217;una banda la quantitat de CO\u2082 en l&#8217;atmosfera (fixaci\u00f3 de carboni) i, d&#8217;altra banda, evitant l&#8217;\u00fas de petroli en l&#8217;obtenci\u00f3 dels poliols, i, per tant, en l&#8217;obtenci\u00f3 de les espumes de poliuret\u00e0. Utilitzar aquests nous poliols en la formulaci\u00f3 d&#8217;escumes de poliuret\u00e0 pot requerir l&#8217;adaptaci\u00f3 dels surfactants de silicona. \u00c9s doncs necessari ajustar la relaci\u00f3 de mon\u00f2mers \u00f2xid d&#8217;etil\u00e8 i \u00f2xid de propil\u00e8 (o altres que es puguin identificar com a adequats), aix\u00ed com el grup terminal d&#8217;aquests poli\u00e8ters, per a aconseguir nous estabilitzants de silicona amb propietats adequades per al seu \u00fas en aquests nous sistemes de poliuret\u00e0.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">Aquests s\u00f3n els objectius del projecte de recerca que des de Concentrol s&#8217;est\u00e0 duent a terme en col\u00b7laboraci\u00f3 CDTI (Centre per al Desenvolupament Tecnol\u00f2gic Industrial). Actualment, Concentrol fabrica una varietat de productes basats en la qu\u00edmica de les silicones. Aquests productes es classifiquen en dues grans fam\u00edlies, els estabilitzants de poliuret\u00e0 (gamma CONCENTROL STB PU, <\/span><a href=\"https:\/\/concentrol.com\/en\/products\/estabilitzants-per-a-espuma-de-poliureta\/\"><i><span style=\"font-weight: 400;\">https:\/\/concentrol.com\/en\/products\/estabilitzants-per-a-espuma-de-poliureta\/<\/span><\/i><\/a><span style=\"font-weight: 400;\"> ) i els humectants de silicona (gamma ORDISOL SWT, <\/span><a href=\"https:\/\/concentrol.com\/en\/products\/additius-de-superficie-de-silicona\/\"><i><span style=\"font-weight: 400;\">https:\/\/concentrol.com\/en\/products\/additius-de-superficie-de-silicona\/<\/span><\/i><\/a><span style=\"font-weight: 400;\">).<\/span><\/p>\n<p><span style=\"font-weight: 400;\">Concentrol \u00e9s actualment l&#8217;\u00fanic fabricador d&#8217;aquests productes al Sud d&#8217;Europa.<\/span><\/p>\n<p>____________________<\/p>\n<p><em><span style=\"font-weight: 400;\">[i]<\/span><span style=\"font-weight: 400;\"> J. Nadal, A. L\u00f3pez, PU Magazine, 2020, Vol. 17, No 3, June\/July 2020<\/span><\/em><\/p>\n<p><em><span style=\"font-weight: 400;\">[ii]<\/span><span style=\"font-weight: 400;\"> J. Nadal, A. L\u00f3pez, PU Magazine 2018, Vol. 15, No 1, February\/March 2018<\/span><\/em><\/p>\n<p><em><span style=\"font-weight: 400;\">[iii]<\/span><span style=\"font-weight: 400;\"> https:\/\/echa.europa.eu\/documents\/10162\/f148d6f2-4284-a3c1-fd08-8cdaddf73978<\/span><\/em><\/p>\n<p><em><span style=\"font-weight: 400;\">[iv]<\/span><a href=\"https:\/\/www.covestro.com\/en\/company\/strategy\/attitude\/co2-dreams\"> <span style=\"font-weight: 400;\">https:\/\/www.covestro.com\/en\/company\/strategy\/attitude\/co2-dreams<\/span><\/a><\/em><\/p>\n<p><em><span style=\"font-weight: 400;\">[v]<\/span><span style=\"font-weight: 400;\"> Iribarren, Diego &amp; Dufour, Javier &amp; Garate, Bel\u00e9n &amp; Bustamante, Jorge &amp; Garc\u00eda, Elena &amp; Garc\u00eda Ruiz, M\u00f3nica. (2016). Carbon dioxide capture and utilisation in Repsol: a life cycle assessment of polycarbonate polyols.<\/span><\/em><\/p>\n<p><img decoding=\"async\" class=\"aligncenter wp-image-131265 size-large\" src=\"https:\/\/concentrol.com\/wp-content\/uploads\/2021\/08\/jan-piatkowski-eopz9bkwROs-unsplash-1024x682.jpg\" alt=\"\" width=\"840\" height=\"559\" srcset=\"https:\/\/hosting175685eu-cp704.wordpresstemporal.com\/wp-content\/uploads\/2021\/08\/jan-piatkowski-eopz9bkwROs-unsplash-1024x682.jpg 1024w, https:\/\/hosting175685eu-cp704.wordpresstemporal.com\/wp-content\/uploads\/2021\/08\/jan-piatkowski-eopz9bkwROs-unsplash-300x200.jpg 300w, https:\/\/hosting175685eu-cp704.wordpresstemporal.com\/wp-content\/uploads\/2021\/08\/jan-piatkowski-eopz9bkwROs-unsplash-768x511.jpg 768w, https:\/\/hosting175685eu-cp704.wordpresstemporal.com\/wp-content\/uploads\/2021\/08\/jan-piatkowski-eopz9bkwROs-unsplash-uai-1500x1000.jpg 1500w, https:\/\/hosting175685eu-cp704.wordpresstemporal.com\/wp-content\/uploads\/2021\/08\/jan-piatkowski-eopz9bkwROs-unsplash.jpg 1502w\" sizes=\"(max-width: 840px) 100vw, 840px\" \/>[\/vc_column_text][\/vc_column][\/vc_row]<\/p>\n<\/div>","protected":false},"excerpt":{"rendered":"<p>[vc_row][vc_column][vc_column_text]Concentrol est\u00e0 en contacte amb el sector del poliuret\u00e0 des de fa m\u00e9s de 40 anys. Inicialment amb la fabricaci\u00f3 [&hellip;]<\/p>\n","protected":false},"author":24,"featured_media":131266,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"content-type":"","footnotes":""},"categories":[1],"tags":[808],"class_list":["post-131279","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-noticies","tag-concentrol-ca"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v28.0 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Projecte CDTI - Nous estabilitzants de silicona per a espuma de poliuret\u00e0 flexible<\/title>\n<meta name=\"description\" content=\"Concentrol - Chemical Solutions\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" 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