{"id":82499,"date":"2011-12-15T00:00:00","date_gmt":"2011-12-14T23:00:00","guid":{"rendered":"http:\/\/b.bati-journal.com\/lite-avec-2-cm-de-super-isolant-cest-pour-bientot\/82499"},"modified":"2019-07-15T12:37:28","modified_gmt":"2019-07-15T10:37:28","slug":"lite-avec-2-cm-de-super-isolant-cest-pour-bientot","status":"publish","type":"post","link":"https:\/\/batijournal.com\/index.php\/lite-avec-2-cm-de-super-isolant-cest-pour-bientot\/82499\/","title":{"rendered":"L&rsquo;ITE avec 2 cm de super-isolant : c&rsquo;est pour bient\u00f4t"},"content":{"rendered":"<p>Les PIV, panneaux isolants sous vide, sont de faible \u00e9paisseur et tr\u00e8s isolants. Ce sont des produits haut de gamme utilis\u00e9s essentiellement par les frigoristes et la fili\u00e8re de l&#8217;emballage. Jusqu&rsquo;\u00e0 maintenant, ils \u00e9taient couteux \u00e0 produire (40 \u00e0 60 euros du m\u00b2). Or, s&rsquo;ils \u00e9taient utilis\u00e9s dans le b\u00e2timent et notamment avec une ITE, ils permettraient d&rsquo;\u00e9viter les modifications importantes de fa\u00e7ades et de toiture. Il est en effet souvent important de conserver le volume initial des constructions sans modifier la disposition des huisseries ou de la couverture. Dans ces cas, poser 20 cm d&rsquo;isolant est inadapt\u00e9. Les chercheurs de l&rsquo;Institut allemand des mat\u00e9riaux, le Fraunhofer, ont d\u00e9velopp\u00e9 un nouveau film qui va permettre de faire des \u00e9conomies consid\u00e9rables lors de la fabrication des panneaux PIV. Plus faciles \u00e0 produire, ils sont constitu\u00e9s de deux films plastiques enserr\u00e9s dans trois couches de films recouverts d&rsquo;aluminium et d&rsquo;une couche mince d&rsquo;ORMOCER, un polym\u00e8re hybride organique-inorganique, rendant le mat\u00e9riau exceptionnellement solide et stable. Selon les scientifiques allemands, les gaz et les liquides ne peuvent pas p\u00e9n\u00e9trer dans la couche d&rsquo;ORMOCER.\u000bLes nouveaux films d&rsquo;isolation peuvent \u00eatre fabriqu\u00e9s en seulement cinq \u00e9tapes au lieu de sept. Dans le processus de fabrication test\u00e9 de mani\u00e8re industrielle par les chercheurs, de la silice amorphe nanoporeuse pyrog\u00e9n\u00e9e est envelopp\u00e9e de ces nouveaux films et mise sous vide. Le produit final est meilleur et moins cher que les PIV actuels, la conductivit\u00e9 thermique huit fois moins importante que les meilleurs isolants traditionnels tels que la mousse de polyur\u00e9thane. Les chercheurs travaillent d\u00e9sormais \u00e0 la simplification du processus de fabrication et m\u00e8nent des tests \u00e0 long terme dans des chambres climatis\u00e9es. Les panneaux PIV devront r\u00e9sister 50 ans une fois pos\u00e9s en fa\u00e7ade.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Les PIV, panneaux isolants sous vide, sont de faible \u00e9paisseur et tr\u00e8s isolants. Ce sont des produits haut de gamme utilis\u00e9s essentiellement par les frigoristes et la fili\u00e8re de l&#8217;emballage. Jusqu&rsquo;\u00e0 maintenant, ils \u00e9taient couteux \u00e0 produire (40 \u00e0 60 euros du m\u00b2). Or, s&rsquo;ils \u00e9taient utilis\u00e9s dans le b\u00e2timent et notamment avec une ITE, [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":82500,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_et_pb_use_builder":"","_et_pb_old_content":"","_et_gb_content_width":"","footnotes":""},"categories":[6356],"tags":[392,70],"class_list":["post-82499","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-produits-solutions-techniques","tag-isolation-2","tag-ite"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.4 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>L&#039;ITE avec 2 cm de super-isolant : c&#039;est pour bient\u00f4t<\/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:\/\/batijournal.com\/index.php\/lite-avec-2-cm-de-super-isolant-cest-pour-bientot\/82499\/\" \/>\n<meta property=\"og:locale\" content=\"fr_FR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"L&#039;ITE avec 2 cm de super-isolant : c&#039;est pour bient\u00f4t\" \/>\n<meta property=\"og:description\" content=\"Les PIV, panneaux isolants sous vide, sont de faible \u00e9paisseur et tr\u00e8s isolants. 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