{"id":609908,"date":"2025-12-19T16:55:14","date_gmt":"2025-12-19T16:55:14","guid":{"rendered":"https:\/\/www.europesays.com\/fr\/609908\/"},"modified":"2025-12-19T16:55:14","modified_gmt":"2025-12-19T16:55:14","slug":"un-materiau-cent-fois-plus-isolant-que-le-verre-concu-en-laboratoire","status":"publish","type":"post","link":"https:\/\/www.europesays.com\/fr\/609908\/","title":{"rendered":"Un mat\u00e9riau cent fois plus isolant que le verre con\u00e7u en laboratoire"},"content":{"rendered":"

\n D\u00c9CRYPTAGE –<\/strong> Une nouvelle g\u00e9n\u00e9ration de vitrage pourrait aider les b\u00e2timents \u00e0 fortement r\u00e9duire leur facture \u00e9nerg\u00e9tique et leurs \u00e9missions de CO2.<\/p>\n

En termes de bilan \u00e9nerg\u00e9tique, le point faible des b\u00e2timents ce sont leurs fen\u00eatres. \u00ab\u00a0Le taux de d\u00e9perdition d\u2019\u00e9nergie d\u2019un simple vitrage actuel est six fois plus important que celui d\u2019un mur parfaitement isol\u00e9\u00a0\u00bb, rappelle Brigitte Vu, enseignante-chercheuse \u00e0 l\u2019Universit\u00e9 de technologie de Belfort-Montb\u00e9liard, sp\u00e9cialiste de l\u2019efficacit\u00e9 \u00e9nerg\u00e9tique de l\u2019habitat. M\u00eame un\u00a0double vitrage<\/a>\u00a0actuel performant n\u2019am\u00e9liore que modestement le bilan d\u2019un immeuble ou d\u2019une maison. Un nouvel\u00a0isolant<\/a>\u00a0d\u00e9voil\u00e9 dans la revue\u00a0Science<\/a> \u00a0le 11\u00a0d\u00e9cembre pourrait r\u00e9ellement changer la donne.<\/p>\n

Ce mat\u00e9riau, un gel de silicone, unique en son genre, a \u00e9t\u00e9 con\u00e7u par une \u00e9quipe de physiciens de l\u2019universit\u00e9 du Colorado, \u00e0 Boulder, en lien avec des chercheurs de l\u2019institut de \u00ab\u00a0m\u00e9ta-mat\u00e9riaux\u00a0\u00bb (c\u2019est-\u00e0-dire qui n\u2019existent pas dans la nature) de l\u2019universit\u00e9 de Hiroshima. \u00ab\u00a0Ce mat\u00e9riau emprisonne l\u2019air gr\u00e2ce \u00e0 un r\u00e9seau de pores minuscules, bien plus fins qu\u2019un cheveu, explique Brigitte Vu. C\u2019est tr\u00e8s original\u2026<\/p>\n

\n Cet article est r\u00e9serv\u00e9 aux abonn\u00e9s. Il vous reste 84% \u00e0 d\u00e9couvrir.\n <\/p>\n

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