{"id":21514,"date":"2015-04-24T10:29:50","date_gmt":"2015-04-24T08:29:50","guid":{"rendered":"https:\/\/www.olikrom.com\/?p=21514"},"modified":"2025-05-06T10:10:32","modified_gmt":"2025-05-06T08:10:32","slug":"france-3-la-revolution-en-marche-des-pigments-cameleon-de-pessac","status":"publish","type":"post","link":"https:\/\/www.olikrom.com\/fr\/presse\/france-3-la-revolution-en-marche-des-pigments-cameleon-de-pessac\/","title":{"rendered":"[FRANCE 3] La r\u00e9volution en marche des pigments \u00ab\u00a0cam\u00e9l\u00e9on\u00a0\u00bb de Pessac"},"content":{"rendered":"<p>Fa\u00e7ades changeant de couleur en fonction du temps pour des \u00e9conomies d&rsquo;\u00e9nergie, \u00e9tiquettes de bouteilles se modifiant lorsque le vin est \u00e0 temp\u00e9rature: une entreprise girondine a mis au point une <a href=\"https:\/\/www.olikrom.com\/fr\/une-nouvelle-generation-de-materiaux-intelligents\/\">nouvelle g\u00e9n\u00e9ration de pigments \u00ab\u00a0intelligents\u00a0\u00bb<\/a>.<\/p>\n<p>&nbsp;<\/p>\n<h3>Une innovation que\u00a0s&rsquo;arrachent de multiples secteurs industriels, du luxe \u00e0 l&rsquo;a\u00e9ronautique\u200b<\/h3>\n<p>Nombreuses sont les Petites et moyennes entreprises (PME) qui r\u00eaveraient de conna\u00eetre la situation d&rsquo;OliKrom, jeune start-up install\u00e9e sur le campus universitaire de Pessac, pr\u00e8s de Bordeaux: depuis son lancement en octobre 2014, pas un jour sans qu&rsquo;une <a href=\"https:\/\/www.olikrom.com\/fr\/nos-clients\/\">dizaine d&rsquo;entreprises ou de groupes industriels<\/a> ne l&rsquo;appellent, int\u00e9ress\u00e9s par la technologie innovante mise au point depuis quelques ann\u00e9es par son fondateur, Jean-Fran\u00e7ois L\u00e9tard.<\/p>\n<p>Chimiste au Centre national de la recherche scientifique (CNRS) pendant 17 ans,\u00a0l&rsquo;entrepreneur s&rsquo;est sp\u00e9cialis\u00e9 dans\u00a0les pigments \u00ab\u00a0intelligents\u00a0\u00bb capables de r\u00e9agir,\u00a0en changeant de couleur, \u00e0 la <a href=\"https:\/\/www.olikrom.com\/fr\/thermochromes\/\">temp\u00e9rature<\/a>, la <a href=\"https:\/\/www.olikrom.com\/fr\/photochromes\/\">lumi\u00e8re<\/a> ou la <a href=\"https:\/\/www.olikrom.com\/fr\/piezochromes\/\">pression<\/a>. A partir\u00a0de 2005, les brevets s&rsquo;accumulent et le chercheur d\u00e9cide de franchir le pas de\u00a0l&rsquo;entrepreneuriat.<\/p>\n<p>Une formation en \u00e9cole de commerce et quelques ann\u00e9es d&rsquo;incubation plus tard, OliKrom est lanc\u00e9e. Et les industriels accourent. Car, explique Jean-Fran\u00e7ois L\u00e9tard, ils attendaient depuis longtemps le renouvellement des technologies, apr\u00e8s l&rsquo;apparition \u00ab\u00a0<em>il y a une quarantaine d&rsquo;ann\u00e9es<\/em>\u00a0\u00bb des premiers pigments capables de changer de couleur, mais \u00ab\u00a0<em>qui ne r\u00e9sistaient pas aux ultra-violets, avaient des probl\u00e8mes d&rsquo;usure et pouvaient \u00eatre toxiques<\/em>\u00ab\u00a0.<\/p>\n<p>Les proc\u00e9d\u00e9s mis au point par OliKrom permettent ainsi aux \u00ab\u00a0<em>mol\u00e9cules de changer de conformation, et donc de couleur<\/em>\u00ab\u00a0, \u00ab\u00a0<em>avec le moins de perturbations possibles<\/em>\u00ab\u00a0, autorisant d&rsquo;ailleurs des modifications tr\u00e8s pr\u00e9cises, r\u00e9versibles ou irr\u00e9versibles.<\/p>\n<p>La \u00ab\u00a0rapidit\u00e9\u00a0\u00bb et la \u00ab\u00a0non-fatigabilit\u00e9\u00a0\u00bb du processus sont \u00e9galement au c\u0153ur des <a href=\"https:\/\/www.olikrom.com\/fr\/une-nouvelle-generation-de-materiaux-intelligents\/\">nouveaux mat\u00e9riaux<\/a>, souligne le chercheur.<\/p>\n<p>&nbsp;<\/p>\n<h3>Applications infinies\u00a0\u200b<\/h3>\n<p>Autre facteur crucial de \u00ab\u00a0l&rsquo;hypercroissance\u00a0\u00bb de la jeune soci\u00e9t\u00e9, qui compte sept collaborateurs et pr\u00e9voit le lancement d&rsquo;un<a href=\"https:\/\/www.olikrom.com\/fr\/unite-de-production\/\"> site industriel<\/a> d&rsquo;ici \u00e0 fin 2015 gr\u00e2ce \u00e0 une r\u00e9cente lev\u00e9e de fonds de 740.000 euros: les champs d&rsquo;application semblent tout simplement &#8230; infinis.<\/p>\n<p>Les secteurs du <a href=\"https:\/\/www.olikrom.com\/fr\/olikrom-luxe\/\">luxe<\/a>, du design, de la d\u00e9coration, de la mode, avec les textiles intelligents, ont d\u00e9j\u00e0 manifest\u00e9 leur int\u00e9r\u00eat pour les peintures, vernis, encres ou granul\u00e9s de plastique produits par l&rsquo;entreprise. \u00ab\u00a0<em>On peut imaginer des flacons de parfum qui changent de couleur, des objets personnalis\u00e9s\u00a0\u00bb<\/em>, confie Jean-Fran\u00e7ois L\u00e9tard, mais sans fournir plus de d\u00e9tails, soucieux de confidentialit\u00e9.<\/p>\n<p>\u00ab\u00a0<em>Cela peut \u00eatre utile pour la l<a href=\"https:\/\/www.olikrom.com\/fr\/contrefacon-authentification\/\">utte contre la contrefa\u00e7on<\/a>, gr\u00e2ce \u00e0 des marquages\u00a0dissimul\u00e9s se r\u00e9v\u00e9lant sous une certaine lumi\u00e8re ou \u00e0 une temp\u00e9rature donn\u00e9e, pour\u00a0<a href=\"https:\/\/www.olikrom.com\/fr\/blog\/oeil-de-lexpert\/quels-sont-les-enjeux-du-secteur-alimentaire-en-matiere-d-hygiene-et-securite\/\">la s\u00e9curit\u00e9 alimentaire<\/a> gr\u00e2ce \u00e0 des code-barres qui changent de couleur de mani\u00e8re\u00a0irr\u00e9versible lorsque la cha\u00eene du froid a \u00e9t\u00e9 rompue<\/em>&#8230;\u00a0\u00bb, \u00e9num\u00e8re\u00a0Camille Tanguy,\u00a0charg\u00e9e du commercial.<\/p>\n<p>L&rsquo;architecture ou le sport offrent aussi de multiples d\u00e9bouch\u00e9s: rideaux s&rsquo;opacifiant au soleil, stockage de lumi\u00e8re \u00e0 travers des plafonds <a href=\"https:\/\/www.olikrom.com\/fr\/luminescents\/\">luminescents<\/a>,\u00a0terrain de\u00a0tennis changeant de couleur \u00e0 l&rsquo;impact de la balle pour l&rsquo;arbitrage&#8230; D&rsquo;autant\u00a0que les \u00ab\u00a0combinaisons\u00a0\u00bb des propri\u00e9t\u00e9s des pigments paraissent \u00ab\u00a0illimit\u00e9es\u00a0\u00bb, souligne\u00a0Cl\u00e9ment Chatelier, responsable de laboratoire.<\/p>\n<p>Mais un des plus vastes champs d&rsquo;application de cette r\u00e9volution technologique est, sans nul doute, celui de la <a href=\"https:\/\/www.olikrom.com\/fr\/securite-industrielle\/\">s\u00e9curit\u00e9, notamment industrielle<\/a>. OliKrom travaille d\u00e9j\u00e0 avec les groupes <a href=\"https:\/\/www.olikrom.com\/fr\/blog\/etudes-de-cas-clients\/innovation-de-rupture-dans-inspection-composite\/\">Airbus<\/a> et <a href=\"https:\/\/www.olikrom.com\/fr\/blog\/actualites\/safran-turbomeca-et-olikrom-developpent-des-revetements-thermosensibles\/\">Safran<\/a> sur les pi\u00e8ces qui \u00e9quiperont les avions de demain, car, pour la <a href=\"https:\/\/www.olikrom.com\/fr\/maintenance-predictive\/\">maintenance<\/a>, \u00ab\u00a0<em>un des enjeux, c&rsquo;est d&rsquo;\u00eatre capable de voir rapidement si une pi\u00e8ce a subi un choc anormal<\/em>\u00ab\u00a0. Dans les usines, les traces d&rsquo;usure des \u00e9quipements pourront, de la m\u00eame fa\u00e7on, \u00eatre \u00ab\u00a0contr\u00f4l\u00e9es de visu\u00a0\u00bb.<\/p>\n<p>On peut \u00e9galement imaginer une r\u00e9duction des accidents du travail ou domestiques\u00a0gr\u00e2ce au changement de couleur d&rsquo;outils ou d&rsquo;ustensiles soumis \u00e0 des temp\u00e9ratures\u00a0\u00e9lev\u00e9es ou encore une modification de couleur des portes de s\u00e9curit\u00e9 en cas d&rsquo;incendie&#8230;<\/p>\n<p>Et que dire des possibilit\u00e9s ouvertes par des pigments capables de <a href=\"https:\/\/www.olikrom.com\/fr\/chimiochromes\/\">r\u00e9agir \u00e0 la\u00a0pr\u00e9sence de gaz ou de solvants<\/a>, sur lesquels l&rsquo;entreprise poursuit ses recherches?<\/p>\n<p>\u00ab\u00a0<em>Le march\u00e9 est immense, d&rsquo;autres entreprises vont s&rsquo;y mettre<\/em>\u00ab\u00a0, pr\u00e9dit Jean-Fran\u00e7ois L\u00e9tard, qui se f\u00e9licite que cette technologie innovante soit fran\u00e7aise, tout en\u00a0soulignant l&rsquo;importance de l&rsquo;\u00e9cosyst\u00e8me d&rsquo;aides publiques qui lui ont permis de\u00a0m\u00fbrir son projet. Et, \u00e0 l&rsquo;image de ses pigments \u00ab\u00a0cam\u00e9l\u00e9on\u00a0\u00bb, de passer sans difficult\u00e9\u00a0du statut de chercheur \u00e0 celui d&rsquo;entrepreneur.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Fa\u00e7ades changeant de couleur en fonction du temps pour des \u00e9conomies d&rsquo;\u00e9nergie, \u00e9tiquettes de bouteilles se modifiant lorsque le vin est \u00e0 temp\u00e9rature: une entreprise girondine a mis au [&hellip;]<\/p>\n","protected":false},"author":10,"featured_media":21496,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"inline_featured_image":false,"footnotes":""},"categories":[378],"tags":[],"class_list":["post-21514","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-presse"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.5 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>[FRANCE 3] La 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