{"id":149848,"date":"2026-02-25T13:30:00","date_gmt":"2026-02-25T12:30:00","guid":{"rendered":"https:\/\/www.immo-invest.ch\/?p=149848"},"modified":"2026-02-20T11:56:56","modified_gmt":"2026-02-20T10:56:56","slug":"neues-verfahren-bringt-dekoratives-hochleistungsholz-in-serie","status":"publish","type":"post","link":"https:\/\/www.immo-invest.ch\/fr\/neues-verfahren-bringt-dekoratives-hochleistungsholz-in-serie\/","title":{"rendered":"Un nouveau proc\u00e9d\u00e9 permet de produire en s\u00e9rie du bois d\u00e9coratif haute performance"},"content":{"rendered":"<p class=\"bodytext\">La menuiserie <a href=\"https:\/\/holzwelten.ch\/\" target=\"_blank\" rel=\"noopener\">Koster AG Holzwelten<\/a>, une entreprise familiale de Gossau, a d\u00e9velopp\u00e9 en collaboration avec <a href=\"https:\/\/www.empa.ch\/\" target=\"_blank\" rel=\"noopener\">l&rsquo;Empa <\/a>ce qu&rsquo;on appelle le bois marbr\u00e9. Le bois marbr\u00e9 se caract\u00e9rise par un motif de fines lignes noires caus\u00e9es par un champignon. Ce bois unique, autrefois une trouvaille rare et fortuite, est d\u00e9sormais produit dans un b\u00e2timent annexe de la menuiserie \u00e0 l&rsquo;aide de conteneurs en acier inoxydable, de laboratoires et de chambres climatiques et sous vide. Selon un <a href=\"https:\/\/www.news.admin.ch\/de\/newnsb\/ChTm2cBJtg-MrAZlJWkQX\" target=\"_blank\" rel=\"noopener\">communiqu\u00e9<\/a>, le produit est d\u00e9sormais commercialis\u00e9 sous le nom de Myrai.<\/p>\n<p class=\"bodytext\">Dans le cadre d&rsquo;un projet Innosuisse lanc\u00e9 conjointement, la menuiserie et l&rsquo;Empa ont mis au point un proc\u00e9d\u00e9 standardis\u00e9 et \u00e9volutif pour la production cibl\u00e9e de bois marbr\u00e9. Dans une chambre \u00e0 vide, des planches de bois feuillu local, comme l&rsquo;\u00e9rable, le h\u00eatre ou le fr\u00eane, sont amen\u00e9es \u00e0 la bonne humidit\u00e9, st\u00e9rilis\u00e9es et inocul\u00e9es avec le champignon. Elles passent ensuite plusieurs semaines dans une chambre climatique afin de permettre la croissance du champignon et la formation des motifs qui en r\u00e9sultent. Enfin, le bois est s\u00e9ch\u00e9 dans le cadre d&rsquo;un processus technique et le champignon meurt.<\/p>\n<p class=\"bodytext\">\u00ab La particularit\u00e9 de ce champignon est qu&rsquo;il ne d\u00e9grade pas les zones fortement lignifi\u00e9es de la paroi cellulaire, ce qui permet au bois de conserver une grande rigidit\u00e9 \u00e0 la flexion \u00bb, explique Francis Schwarze, chercheur \u00e0 l&rsquo;Empa et expert en champignons au laboratoire Cellulose &amp; Wood Materials de Saint-Gall, cit\u00e9 dans le communiqu\u00e9.<\/p>\n<p class=\"bodytext\">Le bois marbr\u00e9 ainsi obtenu est particuli\u00e8rement adapt\u00e9 \u00e0 des applications d\u00e9coratives telles que les meubles, l&rsquo;am\u00e9nagement int\u00e9rieur ou les instruments de musique. Dans le cadre du projet, la menuiserie a d\u00e9velopp\u00e9 un savoir-faire permettant de contr\u00f4ler et d&rsquo;affiner l&rsquo;aspect du bois. Jakob Koster, ancien PDG de Koster AG Holzwelten, se consacrera d\u00e9sormais \u00e0 la commercialisation et \u00e0 la poursuite de l&rsquo;innovation dans le domaine du bois marbr\u00e9. Selon M. Koster, la demande est d\u00e9j\u00e0 forte. La menuiserie et l&rsquo;Empa ont \u00e9galement d\u00e9j\u00e0 de nouvelles id\u00e9es pour poursuivre leur collaboration.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>La soci\u00e9t\u00e9 Koster AG Holzwelten a d\u00e9velopp\u00e9 le bois marbr\u00e9 en collaboration avec le Laboratoire f\u00e9d\u00e9ral d&rsquo;essai des mat\u00e9riaux et de recherche (Empa). Ce bois se caract\u00e9rise par un motif de lignes noires caus\u00e9es par un champignon. Il est d\u00e9sormais commercialis\u00e9 sous le nom de Myrai.<\/p>\n","protected":false},"author":2,"featured_media":149849,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"pmpro_default_level":"","_surecart_dashboard_logo_width":"180px","_surecart_dashboard_show_logo":true,"_surecart_dashboard_navigation_orders":true,"_surecart_dashboard_navigation_invoices":true,"_surecart_dashboard_navigation_subscriptions":true,"_surecart_dashboard_navigation_downloads":true,"_surecart_dashboard_navigation_billing":true,"_surecart_dashboard_navigation_account":true,"inline_featured_image":false,"_monsterinsights_skip_tracking":false,"footnotes":""},"categories":[22699,22696,743,22357],"tags":[57391,872,3931,57392,2002,57393],"class_list":["post-149848","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-durabilite","category-entreprise","category-immonews-fr","category-industrie-du-batiment","tag-holzveredelung-verfahren","tag-immoinvest-fr","tag-immonews-fr","tag-marmorholz-innovation","tag-news-fr","tag-spezialholz-innenausbau","pmpro-has-access"],"acf":{"bild_mit_ki_erstellt_worden":["Ja"],"lead":"La soci\u00e9t\u00e9 Koster AG Holzwelten a d\u00e9velopp\u00e9 le bois marbr\u00e9 en collaboration avec le Laboratoire f\u00e9d\u00e9ral d'essai des mat\u00e9riaux et de recherche (Empa). Ce bois se caract\u00e9rise par un motif de lignes noires caus\u00e9es par un champignon. Il est d\u00e9sormais commercialis\u00e9 sous le nom de Myrai.","autor":"ce\/nta","ort":"Gossau SG\/St.Gallen","bildunterschrift":"","zusammenfassung":"","bild_im_grid":false,"gallerie":"","newsim":""},"aioseo_notices":[],"aioseo_head":"\n\t\t<!-- All in One SEO 5.0.1.1 - aioseo.com -->\n\t<meta name=\"description\" content=\"La soci\u00e9t\u00e9 Koster AG Holzwelten a d\u00e9velopp\u00e9 le bois marbr\u00e9 en collaboration avec le Laboratoire f\u00e9d\u00e9ral d&#039;essai des mat\u00e9riaux et de recherche (Empa). Ce bois se caract\u00e9rise par un motif de lignes noires caus\u00e9es par un champignon. 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