{"id":398,"date":"2023-07-21T09:27:22","date_gmt":"2023-07-21T07:27:22","guid":{"rendered":"https:\/\/staging-scf.agence-nsw.xyz\/chimie-durable\/actualites\/prix-de-these-divcd-2023\/"},"modified":"2023-07-21T09:27:22","modified_gmt":"2023-07-21T07:27:22","slug":"prix-de-these-divcd-2023","status":"publish","type":"post","link":"https:\/\/staging-scf.agence-nsw.xyz\/chimie-durable\/fr\/actualites\/prix-de-these-divcd-2023\/","title":{"rendered":"Prix de th\u00e8se DivCD 2023"},"content":{"rendered":"\n<p class=\"wp-block-paragraph\">Le bureau de la DivCD a d\u00e9cid\u00e9 d\u2019attribuer son prix de th\u00e8se 2023 \u00e0 Marie Kobylarski qui a pr\u00e9par\u00e9 son doctorat au CEA Saclay, sous la direction de Thibault Cantat et Jean-Claude Berthet. Apr\u00e8s avoir obtenu le dipl\u00f4me d\u2019ing\u00e9nieur chimiste de Chimie ParisTech, elle est entr\u00e9e au Laboratoire de Chimie Mol\u00e9culaire et Catalyse pour l\u2019Energie (LCMCE) afin de travailler sur le d\u00e9veloppement de nouvelles voies catalytiques appliqu\u00e9es \u00e0 la d\u00e9polym\u00e9risation des compos\u00e9s plastiques.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">En effet, le recyclage chimique des plastiques, apr\u00e8s avoir \u00e9t\u00e9 d\u00e9laiss\u00e9 ces derni\u00e8res ann\u00e9es, apparait maintenant comme une voie d\u2019int\u00e9r\u00eat pour la r\u00e9utilisation de ces mat\u00e9riaux&nbsp;! Le d\u00e9veloppement de ce type de proc\u00e9d\u00e9s sera particuli\u00e8rement d\u2019int\u00e9r\u00eat pour les mat\u00e9riaux oxyg\u00e9n\u00e9s car les liaisons C-O (polyesters, polycarbonates, \u2026) sont plus faciles \u00e0 modifier que les liaisons C-C (carbone \u2013carbone) des polyol\u00e9fines.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Pour \u00e9viter l\u2019utilisation de catalyseurs m\u00e9talliques \u00e0 base de m\u00e9taux nobles et des conditions r\u00e9actionnelles s\u00e9v\u00e8res, l\u2019auteur a propos\u00e9, \u00e0 l\u2019issue de son travail de doctorat, de nouveaux syst\u00e8mes catalytiques r\u00e9ducteurs mod\u00e8les \u00e0 base d\u2019\u00e9l\u00e9ments 5f, 4f, groupe IV. En pr\u00e9sence d\u2019hydrosilanes ou d\u2019hydroboranes (r\u00e9ducteurs), divers plastiques (polyesters, polycarbonates) commerciaux et m\u00e9nagers ont ainsi \u00e9t\u00e9 transform\u00e9s en alcools silyl\u00e9s ou boryl\u00e9s sans sur-r\u00e9duction en alcanes, les alcools \u00e9tant ensuite obtenus apr\u00e8s une \u00e9tape d\u2019hydrolyse. Ces syst\u00e8mes catalytiques s\u00e9lectifs se sont r\u00e9v\u00e9l\u00e9s \u00e9galement tr\u00e8s stables vis-\u00e0-vis d\u2019additifs et de contaminants contenus dans les plastiques m\u00e9nagers. &nbsp;&nbsp;<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Le bureau de la DivCD a \u00e9t\u00e9 sensible \u00e0 la d\u00e9marche scientifique propos\u00e9e, aux potentialit\u00e9s de ces nouveaux syst\u00e8mes catalytiques dans le domaine vis\u00e9 mais \u00e9galement pour d\u2019autres applications dans les secteurs de la chimie de sp\u00e9cialit\u00e9s. Si \u00e0 ce jour, des applications industrielles ne sont pas encore envisag\u00e9es, ces travaux permettront sans aucun doute de progresser dans la mise en \u0153uvre de nouveaux proc\u00e9d\u00e9s chimiques plus durables.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><a href=\"https:\/\/iramis.cea.fr\/Pisp\/thibault.cantat\/\">https:\/\/iramis.cea.fr\/Pisp\/thibault.cantat\/<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Le bureau de la DivCD a d\u00e9cid\u00e9 d\u2019attribuer son prix de th\u00e8se 2023 \u00e0 Marie Kobylarski qui a pr\u00e9par\u00e9 son doctorat au CEA Saclay, sous la direction de Thibault Cantat et Jean-Claude Berthet. Apr\u00e8s avoir obtenu le dipl\u00f4me d\u2019ing\u00e9nieur chimiste de Chimie ParisTech, elle est entr\u00e9e au Laboratoire de Chimie Mol\u00e9culaire et Catalyse pour l\u2019Energie [&hellip;]<\/p>\n","protected":false},"author":3,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[1],"tags":[],"class_list":["post-398","post","type-post","status-publish","format-standard","hentry","category-actualites"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v28.7 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Prix de th\u00e8se DivCD 2023 - SCF Division Chimie durable<\/title>\n<meta name=\"robots\" content=\"noindex, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<meta property=\"og:locale\" content=\"fr_FR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Prix de th\u00e8se DivCD 2023 - SCF Division Chimie durable\" \/>\n<meta property=\"og:description\" content=\"Le bureau de la DivCD a d\u00e9cid\u00e9 d\u2019attribuer son prix de th\u00e8se 2023 \u00e0 Marie Kobylarski qui a pr\u00e9par\u00e9 son doctorat au CEA Saclay, sous la direction de Thibault Cantat et Jean-Claude Berthet. 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