{"id":64832,"date":"2026-07-22T10:38:26","date_gmt":"2026-07-22T14:38:26","guid":{"rendered":"https:\/\/rheolution.com\/?p=64832"},"modified":"2026-08-13T16:39:24","modified_gmt":"2026-08-13T20:39:24","slug":"polymeres-de-pmma","status":"publish","type":"post","link":"https:\/\/rheolution.com\/fr\/notes-application\/polymeres-de-pmma\/","title":{"rendered":"Polym\u00e8res PMMA"},"content":{"rendered":"\t\t<div data-elementor-type=\"wp-post\" data-elementor-id=\"64832\" class=\"elementor elementor-64832 elementor-63301\" data-elementor-post-type=\"post\">\n\t\t\t\t<div class=\"elementor-element elementor-element-8fd4dcf e-flex e-con-boxed e-con e-parent\" data-id=\"8fd4dcf\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-8c770e2 elementor-widget elementor-widget-heading\" data-id=\"8c770e2\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h6 class=\"elementor-heading-title elementor-size-default\">Note d\u2019application | ElastoSens\u2122 Bio<\/h6>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-760ae40 elementor-widget elementor-widget-heading\" data-id=\"760ae40\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h1 class=\"elementor-heading-title elementor-size-default\">Polym\u00e8res PMMA : propri\u00e9t\u00e9s, applications et comportement m\u00e9canique<\/h1>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-16057f6 elementor-widget elementor-widget-text-editor\" data-id=\"16057f6\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p>par <a href=\"https:\/\/www.linkedin.com\/in\/mayasalame\/\">Maya Salame<\/a> et <a href=\"https:\/\/www.linkedin.com\/in\/dimitria-camas%C3%A3o-049002a2\/\">Dimitria Camasao<\/a><\/p><p>Scientifiques d\u2019application<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-97ac8de e-flex e-con-boxed e-con e-parent\" data-id=\"97ac8de\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-5fc8fde elementor-widget__width-initial elementor-widget-mobile__width-inherit elementor-widget elementor-widget-heading\" data-id=\"5fc8fde\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">Qu\u2019est-ce qu\u2019un PMMA ?<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-d61237b elementor-widget elementor-widget-text-editor\" data-id=\"d61237b\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p><span style=\"font-weight: 400\">Le polym\u00e9thacrylate de m\u00e9thyle (PMMA) est un polym\u00e8re thermoplastique synth\u00e9tique appartenant \u00e0 la famille des r\u00e9sines acryliques. Il est form\u00e9 par la polym\u00e9risation radicalaire de monom\u00e8res de m\u00e9thacrylate de m\u00e9thyle (MMA), ce qui donne un polym\u00e8re lin\u00e9aire et amorphe dot\u00e9 d\u2019une clart\u00e9 optique \u00e9lev\u00e9e et d\u2019une rigidit\u00e9 structurelle. Le PMMA est enti\u00e8rement produit de mani\u00e8re industrielle, le MMA \u00e9tant synth\u00e9tis\u00e9 \u00e0 partir de mati\u00e8res premi\u00e8res p\u00e9trochimiques et polym\u00e9ris\u00e9 par initiation thermique, chimique ou photochimique contr\u00f4l\u00e9e. Selon les voies de transformation, le PMMA peut \u00eatre obtenu sous forme de solides en vrac, de microsph\u00e8res, de ciments ou de mat\u00e9riaux composites, permettant une large utilisation dans les secteurs industriels et biom\u00e9dicaux.   <\/span><\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-5703c6a elementor-widget__width-initial elementor-widget-mobile__width-inherit elementor-widget elementor-widget-heading\" data-id=\"5703c6a\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">Propri\u00e9t\u00e9s cl\u00e9s des polym\u00e8res PMMA<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-5a0b64a elementor-widget elementor-widget-heading\" data-id=\"5a0b64a\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h3 class=\"elementor-heading-title elementor-size-default\">Caract\u00e9ristiques physico-chimiques<\/h3>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-454b0e3 elementor-widget elementor-widget-text-editor\" data-id=\"454b0e3\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p><span style=\"font-weight: 400\">Le PMMA ne forme pas de hydrogels mais subit une polym\u00e9risation et une solidification irr\u00e9versibles par des m\u00e9canismes de croissance de cha\u00eene.<\/span><\/p><p><b>M\u00e9canismes de polym\u00e9risation<\/b><\/p><ul><li style=\"font-weight: 400\"><span style=\"font-weight: 400\">Polym\u00e9risation radicalaire (en masse, en solution, en suspension ou en \u00e9mulsion).<\/span><\/li><li style=\"font-weight: 400\"><span style=\"font-weight: 400\">M\u00e9thodes radicalaires contr\u00f4l\u00e9es (ex. : ATRP, RAFT) pour le contr\u00f4le du poids mol\u00e9culaire.<\/span><\/li><li style=\"font-weight: 400\"><span style=\"font-weight: 400\">Polym\u00e9risation par coordination et anionique pour le PMMA de haut poids mol\u00e9culaire.<\/span><\/li><\/ul><p><b>Strat\u00e9gies de r\u00e9ticulation et de formulation<\/b><\/p><ul><li style=\"font-weight: 400\"><span style=\"font-weight: 400\">Cha\u00eenes de PMMA lin\u00e9aires avec une r\u00e9ticulation intrins\u00e8que limit\u00e9e.<\/span><\/li><li style=\"font-weight: 400\"><span style=\"font-weight: 400\">Formulations composites incorporant des charges (c\u00e9ramiques, nanoparticules, fibres).<\/span><\/li><li style=\"font-weight: 400\"><span style=\"font-weight: 400\">PMMA \u00e0 base de microsph\u00e8res dispers\u00e9es dans des supports biologiques pour des utilisations injectables.<\/span><\/li><\/ul><p><b>Facteurs environnementaux et de transformation<\/b><\/p><ul><li style=\"font-weight: 400\"><span style=\"font-weight: 400\">La temp\u00e9rature de polym\u00e9risation et la concentration de l\u2019initiateur affectent le poids mol\u00e9culaire.<\/span><\/li><li style=\"font-weight: 400\"><span style=\"font-weight: 400\">L\u2019oxyg\u00e8ne et les inhibiteurs r\u00e9gulent la cin\u00e9tique de r\u00e9action.<\/span><\/li><li style=\"font-weight: 400\"><span style=\"font-weight: 400\">La polym\u00e9risation exothermique influence la microstructure finale et les contraintes r\u00e9siduelles.<\/span><\/li><\/ul>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-30981bc elementor-widget elementor-widget-heading\" data-id=\"30981bc\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h3 class=\"elementor-heading-title elementor-size-default\">Propri\u00e9t\u00e9s m\u00e9caniques<\/h3>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-4476bec elementor-widget elementor-widget-text-editor\" data-id=\"4476bec\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p><span style=\"font-weight: 400\">Le PMMA est m\u00e9caniquement rigide et pr\u00e9sente un comportement principalement \u00e9lastique sous de faibles d\u00e9formations.<\/span><\/p><ul><li style=\"font-weight: 400\"><span style=\"font-weight: 400\">Grande rigidit\u00e9 avec un module de Young dans la gamme des gigapascals.<\/span><\/li><li style=\"font-weight: 400\"><span style=\"font-weight: 400\">R\u00e9sistance mod\u00e9r\u00e9e \u00e0 la traction et \u00e0 la compression avec un comportement de rupture fragile.<\/span><\/li><li style=\"font-weight: 400\"><span style=\"font-weight: 400\">Les propri\u00e9t\u00e9s m\u00e9caniques d\u00e9pendent fortement du poids mol\u00e9culaire, des additifs et de la porosit\u00e9.<\/span><\/li><li style=\"font-weight: 400\"><span style=\"font-weight: 400\">Les syst\u00e8mes de PMMA composites et modifi\u00e9s pr\u00e9sentent un module r\u00e9duit et une t\u00e9nacit\u00e9 am\u00e9lior\u00e9e.<\/span><\/li><li style=\"font-weight: 400\"><span style=\"font-weight: 400\">Stabilit\u00e9 m\u00e9canique \u00e0 long terme avec une d\u00e9gradation en masse n\u00e9gligeable dans des conditions physiologiques.<\/span><\/li><\/ul>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-0959975 elementor-widget elementor-widget-heading\" data-id=\"0959975\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h3 class=\"elementor-heading-title elementor-size-default\">Interactions biologiques<\/h3>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-62fefea elementor-widget elementor-widget-text-editor\" data-id=\"62fefea\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p><span style=\"font-weight: 400\">Le PMMA est g\u00e9n\u00e9ralement consid\u00e9r\u00e9 comme biologiquement inerte et biocompatible, ce qui a favoris\u00e9 son utilisation de longue date dans les applications dentaires, orthop\u00e9diques et esth\u00e9tiques. Il ne contient pas de motifs biochimiques intrins\u00e8ques pour l\u2019adh\u00e9sion cellulaire, et les interactions cellulaires sont principalement r\u00e9gies par les propri\u00e9t\u00e9s de surface ou les r\u00e9ponses tissulaires secondaires. Le PMMA n\u2019est pas d\u00e9gradable par voie enzymatique in vivo et reste structurellement stable au fil du temps. Dans les formulations de microsph\u00e8res injectables, le PMMA induit un d\u00e9p\u00f4t de collag\u00e8ne de l\u2019h\u00f4te autour des particules, bien que des r\u00e9actions inflammatoires chroniques ou granulomateuses puissent survenir selon la formulation, la taille des particules et les conditions d\u2019implantation.   <\/span><\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-28004d8 elementor-widget__width-initial elementor-widget-mobile__width-inherit elementor-widget elementor-widget-heading\" data-id=\"28004d8\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">Applications du PMMA<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-06adff0 elementor-widget elementor-widget-heading\" data-id=\"06adff0\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h3 class=\"elementor-heading-title elementor-size-default\">Ing\u00e9nierie tissulaire<\/h3>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-ba2f1b1 elementor-widget elementor-widget-text-editor\" data-id=\"ba2f1b1\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p><span style=\"font-weight: 400\">Dans les contextes d\u2019ing\u00e9nierie tissulaire, le PMMA est principalement utilis\u00e9 comme mat\u00e9riau structurel ou de maintien d\u2019espace plut\u00f4t que comme \u00e9chafaudage d\u00e9gradable. Les ciments osseux en PMMA offrent une stabilit\u00e9 m\u00e9canique imm\u00e9diate et un transfert de charge dans les applications orthop\u00e9diques. Des formulations composites incorporant des charges bioactives ont \u00e9t\u00e9 d\u00e9velopp\u00e9es pour am\u00e9liorer l\u2019int\u00e9gration osseuse tout en pr\u00e9servant l\u2019int\u00e9grit\u00e9 m\u00e9canique requise pour les fonctions de support de charge.  <\/span><\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-d01f123 elementor-widget elementor-widget-heading\" data-id=\"d01f123\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h3 class=\"elementor-heading-title elementor-size-default\">Culture cellulaire 3D et mod\u00e8les de maladies<\/h3>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-137d5ec elementor-widget elementor-widget-text-editor\" data-id=\"137d5ec\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p><span style=\"font-weight: 400\">Le PMMA n\u2019est pas couramment utilis\u00e9 comme matrice de culture cellulaire 3D en raison de sa rigidit\u00e9 et de son absence de d\u00e9gradabilit\u00e9. Cependant, il est largement employ\u00e9 dans les dispositifs microfabriqu\u00e9s, les substrats de culture et les composants structurels pour les syst\u00e8mes in vitro. Sa transparence optique, sa r\u00e9sistance chimique et sa stabilit\u00e9 dimensionnelle le rendent bien adapt\u00e9 aux plateformes microfluidiques, aux syst\u00e8mes de culture compatibles avec l\u2019imagerie et aux dispositifs de mod\u00e9lisation de maladies m\u00e9caniquement stables.  <\/span><\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-c1cb3eb elementor-widget elementor-widget-heading\" data-id=\"c1cb3eb\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h3 class=\"elementor-heading-title elementor-size-default\">D\u00e9livrance de m\u00e9dicaments, de g\u00e8nes et de cellules<\/h3>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-ac87f2a elementor-widget elementor-widget-text-editor\" data-id=\"ac87f2a\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p><span style=\"font-weight: 400\">Le PMMA n\u2019est pas un polym\u00e8re de d\u00e9livrance biod\u00e9gradable classique, mais il joue un r\u00f4le important dans les syst\u00e8mes de d\u00e9livrance localis\u00e9e. Les ciments osseux en PMMA charg\u00e9s d\u2019antibiotiques sont largement utilis\u00e9s pour obtenir une lib\u00e9ration locale prolong\u00e9e de m\u00e9dicaments en milieu orthop\u00e9dique. Dans ces syst\u00e8mes, le PMMA agit comme une matrice de support m\u00e9caniquement stable qui contr\u00f4le la lib\u00e9ration par diffusion plut\u00f4t que de subir une d\u00e9gradation du mat\u00e9riau.  <\/span><\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-d46e28d elementor-widget elementor-widget-heading\" data-id=\"d46e28d\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h3 class=\"elementor-heading-title elementor-size-default\">Produits de comblement dermique<\/h3>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-3450578 elementor-widget elementor-widget-text-editor\" data-id=\"3450578\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p><span style=\"font-weight: 400\">Le PMMA est \u00e9galement utilis\u00e9 en m\u00e9decine esth\u00e9tique comme produit de comblement dermique de longue dur\u00e9e, g\u00e9n\u00e9ralement sous forme de microsph\u00e8res lisses et non d\u00e9gradables en suspension dans un support biologique temporaire. Apr\u00e8s l\u2019injection, la phase de support est progressivement r\u00e9sorb\u00e9e, tandis que les microsph\u00e8res de PMMA restent en place et stimulent une r\u00e9ponse contr\u00f4l\u00e9e \u00e0 un corps \u00e9tranger qui conduit \u00e0 un d\u00e9p\u00f4t progressif de collag\u00e8ne. Ce tissu conjonctif nouvellement form\u00e9 assure une restauration durable du volume et un soutien structurel. La stabilit\u00e9 m\u00e9canique, la distribution de la taille des particules et les interactions tissulaires \u00e0 long terme du PMMA sont essentielles pour obtenir des r\u00e9sultats esth\u00e9tiques pr\u00e9visibles tout en minimisant les r\u00e9ponses inflammatoires ind\u00e9sirables.   <\/span><\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-892f73a elementor-widget__width-initial elementor-widget-mobile__width-inherit elementor-widget elementor-widget-heading\" data-id=\"892f73a\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">Pourquoi la visco\u00e9lasticit\u00e9 du PMMA est importante<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-05c6bea elementor-widget elementor-widget-text-editor\" data-id=\"05c6bea\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p><span style=\"font-weight: 400\">Bien que le PMMA soit principalement \u00e9lastique plut\u00f4t que visco\u00e9lastique, les r\u00e9ponses m\u00e9caniques d\u00e9pendant du temps influencent toujours ses performances fonctionnelles. Le fluage, la relaxation des contraintes et le comportement d\u2019amortissement sont pertinents dans des applications telles que les ciments osseux et les formulations injectables, o\u00f9 le transfert de charge, la m\u00e9canique interfaciale et la stabilit\u00e9 dimensionnelle \u00e0 long terme sont critiques. Dans les syst\u00e8mes de PMMA modifi\u00e9s ou composites, les contributions visco\u00e9lastiques deviennent plus prononc\u00e9es et affectent directement le comportement \u00e0 la fatigue, la r\u00e9sistance \u00e0 la rupture et la long\u00e9vit\u00e9 de l\u2019implant.  <\/span><\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-851f298 elementor-widget__width-initial elementor-widget-mobile__width-inherit elementor-widget elementor-widget-heading\" data-id=\"851f298\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">M\u00e9thodes de caract\u00e9risation de la visco\u00e9lasticit\u00e9 du PMMA<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-171be53 elementor-widget elementor-widget-text-editor\" data-id=\"171be53\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p><span style=\"font-weight: 400\">La caract\u00e9risation m\u00e9canique du PMMA est couramment effectu\u00e9e \u00e0 l\u2019aide de tests de traction, de compression et de flexion pour d\u00e9terminer la rigidit\u00e9 et la r\u00e9sistance, ainsi que d\u2019une analyse m\u00e9canique dynamique pour \u00e9valuer le comportement d\u00e9pendant de la temp\u00e9rature et de la fr\u00e9quence. Le suivi rh\u00e9ologique est \u00e9galement utilis\u00e9 pendant la polym\u00e9risation pour les ciments PMMA et les formulations injectables. Ces m\u00e9thodes traditionnelles sont souvent destructives, fournissent un aper\u00e7u limit\u00e9 de l\u2019\u00e9volution m\u00e9canique en temps r\u00e9el et ne sont pas bien adapt\u00e9es aux tests longitudinaux dans des conditions st\u00e9riles ou physiologiquement pertinentes.  <\/span><\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-1961b9f elementor-widget__width-initial elementor-widget-mobile__width-inherit elementor-widget elementor-widget-heading\" data-id=\"1961b9f\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">ElastoSens\u2122 Bio : un outil non destructif pour mesurer les polym\u00e8res mous \u00e0 base de PMMA<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-5a225c3 e-grid e-con-full e-con e-child\" data-id=\"5a225c3\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-ce43e5b elementor-widget elementor-widget-text-editor\" data-id=\"ce43e5b\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p><span style=\"font-weight: 400\"><a href=\"https:\/\/rheolution.com\/instrument-elastosensbio\/\" target=\"_blank\" rel=\"noopener\"><strong>ElastoSens\u2122 Bio  <\/strong><\/a><\/span><span style=\"font-weight: 400\">est un instrument sans contact et non destructif con\u00e7u pour mesurer les propri\u00e9t\u00e9s visco\u00e9lastiques en temps r\u00e9el. Alors que le PMMA en vrac est rigide, cette technologie est particuli\u00e8rement pr\u00e9cieuse pour les syst\u00e8mes injectables \u00e0 base de PMMA, les ciments et les formulations composites pendant la prise et l\u2019\u00e9volution structurelle. Elle permet un suivi sensible et r\u00e9p\u00e9table du d\u00e9veloppement de la rigidit\u00e9 sans alt\u00e9rer ni endommager l\u2019\u00e9chantillon, prend en charge le suivi en temps r\u00e9el de la polym\u00e9risation et de la stabilisation m\u00e9canique, et est compatible avec les flux de travail st\u00e9riles. Cette approche non invasive permet de suivre le m\u00eame \u00e9chantillon \u00e0 base de PMMA au fil du temps, offrant un aper\u00e7u plus approfondi du comportement m\u00e9canique d\u00e9pendant de la formulation, de la transformation \u00e0 l\u2019utilisation fonctionnelle.   <\/span><\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-045aef9 elementor-widget elementor-widget-image\" data-id=\"045aef9\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"image.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<img fetchpriority=\"high\" decoding=\"async\" width=\"968\" height=\"544\" src=\"https:\/\/i0.wp.com\/rheolution.com\/wp-content\/uploads\/elastosens2-1.webp?fit=968%2C544&amp;ssl=1\" class=\"attachment-large size-large wp-image-50364\" alt=\"\" srcset=\"https:\/\/i0.wp.com\/rheolution.com\/wp-content\/uploads\/elastosens2-1.webp?w=968&amp;ssl=1 968w, https:\/\/i0.wp.com\/rheolution.com\/wp-content\/uploads\/elastosens2-1.webp?resize=300%2C169&amp;ssl=1 300w, https:\/\/i0.wp.com\/rheolution.com\/wp-content\/uploads\/elastosens2-1.webp?resize=768%2C432&amp;ssl=1 768w, https:\/\/i0.wp.com\/rheolution.com\/wp-content\/uploads\/elastosens2-1.webp?resize=133%2C75&amp;ssl=1 133w, https:\/\/i0.wp.com\/rheolution.com\/wp-content\/uploads\/elastosens2-1.webp?resize=480%2C270&amp;ssl=1 480w\" sizes=\"(max-width:767px) 700px, (max-width:968px) 100vw, 968px\" data-attachment-id=\"50364\" data-permalink=\"https:\/\/rheolution.com\/fr\/elastosens2-4-2-2-2\/\" data-orig-file=\"https:\/\/i0.wp.com\/rheolution.com\/wp-content\/uploads\/elastosens2-1.webp?fit=968%2C544&amp;ssl=1\" data-orig-size=\"968,544\" data-comments-opened=\"1\" data-image-title=\"elastosens2\" data-image-description=\"\" data-image-caption=\"\" data-large-file=\"https:\/\/i0.wp.com\/rheolution.com\/wp-content\/uploads\/elastosens2-1.webp?fit=968%2C544&amp;ssl=1\" \/>\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-8ad5968 elementor-widget elementor-widget-heading\" data-id=\"8ad5968\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h3 class=\"elementor-heading-title elementor-size-default\">Conclusions et perspectives<\/h3>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-b86e41a elementor-widget elementor-widget-text-editor\" data-id=\"b86e41a\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p><span style=\"font-weight: 400\">La performance m\u00e9canique des syst\u00e8mes \u00e0 base de PMMA est r\u00e9gie par la cin\u00e9tique de polym\u00e9risation, le comportement de prise et le d\u00e9veloppement de la rigidit\u00e9 finale. Bien que le PMMA enti\u00e8rement durci soit un polym\u00e8re rigide, plusieurs formulations de PMMA \u2014 telles que les suspensions injectables, les ciments ou les syst\u00e8mes photo-initi\u00e9s \u2014 pr\u00e9sentent des   <\/span><b>\u00e9tats mous ou visco\u00e9lastiques transitoires pendant la transformation<\/b><span style=\"font-weight: 400\"> qu\u2019il est essentiel de contr\u00f4ler.<\/span><\/p><ul><li style=\"font-weight: 400\"><b>Le suivi non destructif et sans contact<\/b><span style=\"font-weight: 400\"> avec l\u2019ElastoSens\u2122 Bio est potentiellement pr\u00e9cieux pendant les phases de prise ou de durcissement du PMMA.<\/span><span style=\"font-weight: 400\"><br><\/span><\/li><li style=\"font-weight: 400\"><b>La sensibilit\u00e9 et la r\u00e9p\u00e9tabilit\u00e9 \u00e9lev\u00e9es<\/b><span style=\"font-weight: 400\"> permettent de suivre l\u2019\u00e9volution m\u00e9canique pr\u00e9coce, y compris l\u2019identification des <\/span><b>points de transition liquide-solide<\/b><span style=\"font-weight: 400\"> et de l\u2019augmentation de la rigidit\u00e9.<\/span><span style=\"font-weight: 400\"><br><\/span><\/li><li style=\"font-weight: 400\"><b>Les mesures longitudinales<\/b><span style=\"font-weight: 400\"> sur le m\u00eame \u00e9chantillon permettent de comprendre la stabilisation m\u00e9canique d\u00e9pendante du temps dans des conditions contr\u00f4l\u00e9es ou st\u00e9riles.<\/span><span style=\"font-weight: 400\"><br><\/span><\/li><li style=\"font-weight: 400\"><span style=\"font-weight: 400\">Le cas \u00e9ch\u00e9ant, les <\/span><b>modules de photostimulation<\/b><span style=\"font-weight: 400\"> permettent un suivi en temps r\u00e9el des formulations de PMMA photo-activ\u00e9es.<\/span><span style=\"font-weight: 400\"><br><\/span><\/li><\/ul><p><span style=\"font-weight: 400\">Cette approche offre un cadre prometteur pour l\u2019\u00e9tude du PMMA pendant ses phases m\u00e9caniquement accessibles, favorisant un meilleur contr\u00f4le de la formulation et une meilleure reproductibilit\u00e9.<\/span><\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-794c36a elementor-widget elementor-widget-heading\" data-id=\"794c36a\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h3 class=\"elementor-heading-title elementor-size-default\">R\u00e9f\u00e9rences<\/h3>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-27340c7 elementor-widget elementor-widget-text-editor\" data-id=\"27340c7\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p><a href=\"https:\/\/link.springer.com\/article\/10.1007\/s40883-025-00493-y\" target=\"_blank\" rel=\"noopener\"><span style=\"font-weight: 400\">Edo, G. I., Yousif, E., &amp; Al-Mashhadani, M. H. (2025). Polymethyl methacrylate (PMMA): an overview of its biological Activities, Properties, Polymerization, Modifications, and dental and industrial applications.   <\/span><i><span style=\"font-weight: 400\">Regenerative Engineering and Translational Medicine<\/span><\/i><span style=\"font-weight: 400\">, 1-27.<\/span><\/a><\/p><p><a href=\"https:\/\/www.mdpi.com\/2073-4360\/16\/3\/367\" target=\"_blank\" rel=\"noopener\"><span style=\"font-weight: 400\">Ramanathan, S., Lin, Y. C., Thirumurugan, S., Hu, C. C., Duann, Y. F., &amp; Chung, R. J. (2024). Poly (methyl methacrylate) in orthopedics: strategies, challenges, and prospects in bone tissue engineering.   <\/span><i><span style=\"font-weight: 400\">Polymers<\/span><\/i><span style=\"font-weight: 400\">, <\/span><i><span style=\"font-weight: 400\">16<\/span><\/i><span style=\"font-weight: 400\">(3), 367.<\/span><\/a><\/p><p><a href=\"https:\/\/www.tandfonline.com\/doi\/full\/10.1080\/15583724.2015.1031377\" target=\"_blank\" rel=\"noopener\"><span style=\"font-weight: 400\">Ali, U., Karim, K. J. B. A., &amp; Buang, N. A. (2015). A review of the properties and applications of poly (methyl methacrylate)(PMMA).   <\/span><i><span style=\"font-weight: 400\">Polymer Reviews<\/span><\/i><span style=\"font-weight: 400\">, <\/span><i><span style=\"font-weight: 400\">55<\/span><\/i><span style=\"font-weight: 400\">(4), 678-705.<\/span><\/a><\/p><p><a href=\"https:\/\/www.tandfonline.com\/doi\/full\/10.3109\/02652048.2011.651500\" target=\"_blank\" rel=\"noopener\"><span style=\"font-weight: 400\">Bettencourt, A., &amp; Almeida, A. J. (2012). Poly (methyl methacrylate) particulate carriers in drug delivery.   <\/span><i><span style=\"font-weight: 400\">Journal of microencapsulation<\/span><\/i><span style=\"font-weight: 400\">, <\/span><i><span style=\"font-weight: 400\">29<\/span><\/i><span style=\"font-weight: 400\">(4), 353-367.<\/span><\/a><\/p><p><a href=\"https:\/\/link.springer.com\/article\/10.1007\/s00266-019-01522-2\" target=\"_blank\" rel=\"noopener\"><span style=\"font-weight: 400\">Paulucci, B. P. (2020). PMMA safety for facial filling: review of rates of granuloma occurrence and treatment methods.   <\/span><i><span style=\"font-weight: 400\">Aesthetic Plastic Surgery<\/span><\/i><span style=\"font-weight: 400\">, <\/span><i><span style=\"font-weight: 400\">44<\/span><\/i><span style=\"font-weight: 400\">(1), 148-159.<\/span><\/a><\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-9383078 elementor-widget__width-initial elementor-widget-mobile__width-inherit elementor--h-position-center elementor--v-position-middle elementor-arrows-position-inside elementor-widget elementor-widget-slides\" data-id=\"9383078\" data-element_type=\"widget\" data-e-type=\"widget\" data-settings=\"{&quot;navigation&quot;:&quot;arrows&quot;,&quot;autoplay_speed&quot;:4000,&quot;transition_speed&quot;:4000,&quot;autoplay&quot;:&quot;yes&quot;,&quot;pause_on_hover&quot;:&quot;yes&quot;,&quot;pause_on_interaction&quot;:&quot;yes&quot;,&quot;infinite&quot;:&quot;yes&quot;,&quot;transition&quot;:&quot;slide&quot;}\" data-widget_type=\"slides.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<div class=\"elementor-swiper\">\n\t\t\t\t\t<div class=\"elementor-slides-wrapper elementor-main-swiper swiper\" role=\"region\" aria-roledescription=\"carousel\" aria-label=\"Slides\" dir=\"ltr\" data-animation=\"fadeInUp\">\n\t\t\t\t<div class=\"swiper-wrapper elementor-slides\">\n\t\t\t\t\t\t\t\t\t\t<div class=\"elementor-repeater-item-c97f30c swiper-slide\" role=\"group\" aria-roledescription=\"slide\"><div class=\"swiper-slide-bg\" role=\"img\" aria-label=\"elastosens2\"><\/div><div class=\"swiper-slide-inner\" ><div class=\"swiper-slide-contents\"><\/div><\/div><\/div>\t\t\t\t<\/div>\n\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-8cce0c6 elementor-widget__width-initial elementor-widget-mobile__width-inherit elementor-widget elementor-widget-text-editor\" data-id=\"8cce0c6\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p>D\u00e9couvrez comment notre technologie mesure de mani\u00e8re non destructive les propri\u00e9t\u00e9s visco\u00e9lastiques des biomat\u00e9riaux mous et des tissus en utilisant des micro-volumes d\u2019\u00e9chantillons<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-c4ce1d0 elementor-align-center elementor-widget elementor-widget-button\" data-id=\"c4ce1d0\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"button.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<div class=\"elementor-button-wrapper\">\n\t\t\t\t\t<a class=\"elementor-button elementor-button-link elementor-size-sm\" href=\"https:\/\/rheolution.com\/contact\/\">\n\t\t\t\t\t\t<span class=\"elementor-button-content-wrapper\">\n\t\t\t\t\t\t\t\t\t<span class=\"elementor-button-text\">Contactez-nous pour plus d\u2019infos<\/span>\n\t\t\t\t\t<\/span>\n\t\t\t\t\t<\/a>\n\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-efbb293 elementor-widget elementor-widget-heading\" data-id=\"efbb293\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<p class=\"elementor-heading-title elementor-size-default\">Articles similaires<\/p>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element 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class=\"elementor-widget-container\">\n\t\t\t\t\t\n\t\t\n\n\t\t\t\t<div class=\"premium-blog-wrap  premium-blog-even\" data-page=\"64832\" data-pagination=\"true\">\n\t\t\t\t\t\t\t\t\t<div class=\"premium-blog-post-outer-container\" data-total=\"3\">\n\t\t\t<div class=\"premium-blog-post-container premium-blog-skin-classic\">\n\t\t\t\t\t\t\t\t\t<div class=\"premium-blog-thumb-effect-wrapper\">\n\t\t\t\t\t\t<div class=\"premium-blog-thumbnail-container premium-blog-zoomin-effect\">\n\t\t\t\t\t\t\t<img decoding=\"async\" width=\"7000\" height=\"2322\" src=\"https:\/\/i0.wp.com\/rheolution.com\/wp-content\/uploads\/FIBRIN.jpg?fit=7000%2C2322&amp;ssl=1\" class=\"attachment-full size-full wp-image-63000\" alt=\"\" data-attachment-id=\"63000\" data-permalink=\"https:\/\/rheolution.com\/fr\/fibrin-2\/\" data-orig-file=\"https:\/\/i0.wp.com\/rheolution.com\/wp-content\/uploads\/FIBRIN.jpg?fit=7000%2C2322&amp;ssl=1\" data-orig-size=\"7000,2322\" data-comments-opened=\"1\" data-image-title=\"FIBRIN\" data-image-description=\"\" data-image-caption=\"\" data-large-file=\"https:\/\/i0.wp.com\/rheolution.com\/wp-content\/uploads\/FIBRIN.jpg?fit=1024%2C340&amp;ssl=1\" srcset=\"https:\/\/i0.wp.com\/rheolution.com\/wp-content\/uploads\/FIBRIN.jpg?w=7000&amp;ssl=1 7000w, https:\/\/i0.wp.com\/rheolution.com\/wp-content\/uploads\/FIBRIN.jpg?resize=300%2C100&amp;ssl=1 300w, https:\/\/i0.wp.com\/rheolution.com\/wp-content\/uploads\/FIBRIN.jpg?resize=1024%2C340&amp;ssl=1 1024w, https:\/\/i0.wp.com\/rheolution.com\/wp-content\/uploads\/FIBRIN.jpg?resize=768%2C255&amp;ssl=1 768w, https:\/\/i0.wp.com\/rheolution.com\/wp-content\/uploads\/FIBRIN.jpg?resize=1536%2C510&amp;ssl=1 1536w, https:\/\/i0.wp.com\/rheolution.com\/wp-content\/uploads\/FIBRIN.jpg?resize=2048%2C679&amp;ssl=1 2048w, https:\/\/i0.wp.com\/rheolution.com\/wp-content\/uploads\/FIBRIN.jpg?resize=150%2C50&amp;ssl=1 150w, https:\/\/i0.wp.com\/rheolution.com\/wp-content\/uploads\/FIBRIN.jpg?resize=700%2C232&amp;ssl=1 700w, https:\/\/i0.wp.com\/rheolution.com\/wp-content\/uploads\/FIBRIN.jpg?w=2440&amp;ssl=1 2440w, https:\/\/i0.wp.com\/rheolution.com\/wp-content\/uploads\/FIBRIN.jpg?w=3660&amp;ssl=1 3660w\" sizes=\"(max-width:767px) 700px, (max-width:7000px) 100vw, 7000px\" \/>\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t\t\t\t\t\t<div class=\"premium-blog-thumbnail-overlay\">\n\t\t\t\t\t\t\t\t<a class=\"elementor-icon\" href=\"https:\/\/rheolution.com\/fr\/notes-application\/hydrogels-de-fibrine\/\" target=\"_blank\">\n\t\t\t\t\t\t\t\t\t<span class=\"elementor-screen-only\">Hydrogels de fibrine<\/span>\n\t\t\t\t\t\t\t\t<\/a>\n\t\t\t\t\t\t\t<\/div>\n\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t\t\t\t\t<div class=\"premium-blog-content-wrapper \">\n\n\t\t\t\t\t<div class=\"premium-blog-inner-container\">\n\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t<h4 class=\"premium-blog-entry-title\">\n\t\t\t<a href=\"https:\/\/rheolution.com\/fr\/notes-application\/hydrogels-de-fibrine\/\" target=\"_blank\">\n\t\t\t\tHydrogels de fibrine\t\t\t<\/a>\n\t\t<\/h4>\n\t\t\t\t<div class=\"premium-blog-entry-meta\">\n\t\t\t\n\t\t\t\n\t\t\t\n\t\t\t\t\t<\/div>\n\t\t\n\t\t\t\t\t<\/div>\n\n\t\t\t\t\t\t\t<div class=\"premium-blog-content-inner-wrapper\">\n\t\t<p class=\"premium-blog-post-content\">Les hydrogels de fibrine sont des biomat\u00e9riaux naturels \u00e0 base de prot\u00e9ines, form\u00e9s \u00e0 partir de la fibrine, ce polym\u00e8re insoluble g\u00e9n\u00e9r\u00e9 lors de la coagulation sanguine. La fibrine provient du fibrinog\u00e8ne, une glycoprot\u00e9ine plasmatique compos\u00e9e de trois paires de cha\u00eenes polypeptidiques qui s\u2019assemblent en un r\u00e9seau fibreux sous l\u2019effet d\u2019une activation enzymatique. Dans des conditions physiologiques, la formation de la fibrine est d\u00e9clench\u00e9e par le clivage du fibrinog\u00e8ne sous l\u2019action de la thrombine, ce qui expose des sites de polym\u00e9risation qui favorisent l\u2019auto-assemblage spontan\u00e9 en une matrice hydrat\u00e9e et poreuse.<\/p><div class=\"premium-blog-excerpt-link-wrap\"><a href=\"https:\/\/rheolution.com\/fr\/notes-application\/hydrogels-de-fibrine\/\" target=\"_blank\" class=\"premium-blog-excerpt-link elementor-button\">Lire la suite \u00bb<\/a><\/div>\t\t<\/div>\n\t\t\t\t\t\t\t\n\t\t\t\t<\/div>\n\t\t\t<\/div>\n\t\t<\/div>\n\n\t\t\t\t<div class=\"premium-blog-post-outer-container\" data-total=\"3\">\n\t\t\t<div class=\"premium-blog-post-container premium-blog-skin-classic\">\n\t\t\t\t\t\t\t\t\t<div class=\"premium-blog-thumb-effect-wrapper\">\n\t\t\t\t\t\t<div class=\"premium-blog-thumbnail-container premium-blog-zoomin-effect\">\n\t\t\t\t\t\t\t<img decoding=\"async\" width=\"7000\" height=\"2322\" src=\"https:\/\/i0.wp.com\/rheolution.com\/wp-content\/uploads\/ALGINATE-1.jpg?fit=7000%2C2322&amp;ssl=1\" class=\"attachment-full size-full wp-image-63128\" alt=\"\" data-attachment-id=\"63128\" data-permalink=\"https:\/\/rheolution.com\/fr\/alginate-2-2\/\" data-orig-file=\"https:\/\/i0.wp.com\/rheolution.com\/wp-content\/uploads\/ALGINATE-1.jpg?fit=7000%2C2322&amp;ssl=1\" data-orig-size=\"7000,2322\" data-comments-opened=\"1\" data-image-title=\"ALGINATE\" data-image-description=\"\" data-image-caption=\"\" data-large-file=\"https:\/\/i0.wp.com\/rheolution.com\/wp-content\/uploads\/ALGINATE-1.jpg?fit=1024%2C340&amp;ssl=1\" srcset=\"https:\/\/i0.wp.com\/rheolution.com\/wp-content\/uploads\/ALGINATE-1.jpg?w=7000&amp;ssl=1 7000w, https:\/\/i0.wp.com\/rheolution.com\/wp-content\/uploads\/ALGINATE-1.jpg?resize=300%2C100&amp;ssl=1 300w, https:\/\/i0.wp.com\/rheolution.com\/wp-content\/uploads\/ALGINATE-1.jpg?resize=1024%2C340&amp;ssl=1 1024w, https:\/\/i0.wp.com\/rheolution.com\/wp-content\/uploads\/ALGINATE-1.jpg?resize=768%2C255&amp;ssl=1 768w, https:\/\/i0.wp.com\/rheolution.com\/wp-content\/uploads\/ALGINATE-1.jpg?resize=1536%2C510&amp;ssl=1 1536w, https:\/\/i0.wp.com\/rheolution.com\/wp-content\/uploads\/ALGINATE-1.jpg?resize=2048%2C679&amp;ssl=1 2048w, https:\/\/i0.wp.com\/rheolution.com\/wp-content\/uploads\/ALGINATE-1.jpg?resize=150%2C50&amp;ssl=1 150w, https:\/\/i0.wp.com\/rheolution.com\/wp-content\/uploads\/ALGINATE-1.jpg?resize=700%2C232&amp;ssl=1 700w, https:\/\/i0.wp.com\/rheolution.com\/wp-content\/uploads\/ALGINATE-1.jpg?w=2440&amp;ssl=1 2440w, https:\/\/i0.wp.com\/rheolution.com\/wp-content\/uploads\/ALGINATE-1.jpg?w=3660&amp;ssl=1 3660w\" sizes=\"(max-width:767px) 700px, (max-width:7000px) 100vw, 7000px\" \/>\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t\t\t\t\t\t<div class=\"premium-blog-thumbnail-overlay\">\n\t\t\t\t\t\t\t\t<a class=\"elementor-icon\" href=\"https:\/\/rheolution.com\/fr\/notes-application\/hydrogels-dalginate\/\" target=\"_blank\">\n\t\t\t\t\t\t\t\t\t<span class=\"elementor-screen-only\">Hydrogels d&rsquo;alginate<\/span>\n\t\t\t\t\t\t\t\t<\/a>\n\t\t\t\t\t\t\t<\/div>\n\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t\t\t\t\t<div class=\"premium-blog-content-wrapper \">\n\n\t\t\t\t\t<div class=\"premium-blog-inner-container\">\n\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t<h4 class=\"premium-blog-entry-title\">\n\t\t\t<a href=\"https:\/\/rheolution.com\/fr\/notes-application\/hydrogels-dalginate\/\" target=\"_blank\">\n\t\t\t\tHydrogels d&rsquo;alginate\t\t\t<\/a>\n\t\t<\/h4>\n\t\t\t\t<div class=\"premium-blog-entry-meta\">\n\t\t\t\n\t\t\t\n\t\t\t\n\t\t\t\t\t<\/div>\n\t\t\n\t\t\t\t\t<\/div>\n\n\t\t\t\t\t\t\t<div class=\"premium-blog-content-inner-wrapper\">\n\t\t<p class=\"premium-blog-post-content\">Les hydrogels d'alginate sont des r\u00e9seaux polym\u00e8res tridimensionnels riches en eau, d\u00e9riv\u00e9s de l'alginate, un polysaccharide anionique d'origine naturelle. L'alginate est principalement extrait des parois cellulaires des algues brunes appartenant \u00e0 la classe des ph\u00e9ophyc\u00e9es, bien qu'il puisse \u00e9galement \u00eatre biosynth\u00e9tis\u00e9 par certaines esp\u00e8ces bact\u00e9riennes telles que les Azotobacter et les Pseudomonas. Sur le plan structurel, l\u2019alginate est un copolym\u00e8re lin\u00e9aire compos\u00e9 d\u2019acide \u03b2-D-mannuronique (unit\u00e9s M) et d\u2019acide \u03b1-L-guluronique (unit\u00e9s G), reli\u00e9s par des liaisons glycosidiques 1\u21924.<\/p><div class=\"premium-blog-excerpt-link-wrap\"><a href=\"https:\/\/rheolution.com\/fr\/notes-application\/hydrogels-dalginate\/\" target=\"_blank\" class=\"premium-blog-excerpt-link elementor-button\">Lire la suite \u00bb<\/a><\/div>\t\t<\/div>\n\t\t\t\t\t\t\t\n\t\t\t\t<\/div>\n\t\t\t<\/div>\n\t\t<\/div>\n\n\t\t\t\t<div class=\"premium-blog-post-outer-container\" data-total=\"3\">\n\t\t\t<div class=\"premium-blog-post-container premium-blog-skin-classic\">\n\t\t\t\t\t\t\t\t\t<div class=\"premium-blog-thumb-effect-wrapper\">\n\t\t\t\t\t\t<div class=\"premium-blog-thumbnail-container premium-blog-zoomin-effect\">\n\t\t\t\t\t\t\t<img loading=\"lazy\" decoding=\"async\" width=\"7875\" height=\"2612\" src=\"https:\/\/i0.wp.com\/rheolution.com\/wp-content\/uploads\/Gelatin-Methacrylate-1.jpg?fit=7875%2C2612&amp;ssl=1\" class=\"attachment-full size-full wp-image-63420\" alt=\"\" data-attachment-id=\"63420\" data-permalink=\"https:\/\/rheolution.com\/fr\/gelatin-methacrylate-2-2\/\" data-orig-file=\"https:\/\/i0.wp.com\/rheolution.com\/wp-content\/uploads\/Gelatin-Methacrylate-1.jpg?fit=7875%2C2612&amp;ssl=1\" data-orig-size=\"7875,2612\" data-comments-opened=\"1\" data-image-title=\"Gelatin Methacrylate\" data-image-description=\"\" data-image-caption=\"\" data-large-file=\"https:\/\/i0.wp.com\/rheolution.com\/wp-content\/uploads\/Gelatin-Methacrylate-1.jpg?fit=1024%2C340&amp;ssl=1\" srcset=\"https:\/\/i0.wp.com\/rheolution.com\/wp-content\/uploads\/Gelatin-Methacrylate-1.jpg?w=7875&amp;ssl=1 7875w, https:\/\/i0.wp.com\/rheolution.com\/wp-content\/uploads\/Gelatin-Methacrylate-1.jpg?resize=300%2C100&amp;ssl=1 300w, https:\/\/i0.wp.com\/rheolution.com\/wp-content\/uploads\/Gelatin-Methacrylate-1.jpg?resize=1024%2C340&amp;ssl=1 1024w, https:\/\/i0.wp.com\/rheolution.com\/wp-content\/uploads\/Gelatin-Methacrylate-1.jpg?resize=768%2C255&amp;ssl=1 768w, https:\/\/i0.wp.com\/rheolution.com\/wp-content\/uploads\/Gelatin-Methacrylate-1.jpg?resize=1536%2C509&amp;ssl=1 1536w, https:\/\/i0.wp.com\/rheolution.com\/wp-content\/uploads\/Gelatin-Methacrylate-1.jpg?resize=2048%2C679&amp;ssl=1 2048w, https:\/\/i0.wp.com\/rheolution.com\/wp-content\/uploads\/Gelatin-Methacrylate-1.jpg?resize=150%2C50&amp;ssl=1 150w, https:\/\/i0.wp.com\/rheolution.com\/wp-content\/uploads\/Gelatin-Methacrylate-1.jpg?resize=700%2C232&amp;ssl=1 700w, https:\/\/i0.wp.com\/rheolution.com\/wp-content\/uploads\/Gelatin-Methacrylate-1.jpg?w=2440&amp;ssl=1 2440w, https:\/\/i0.wp.com\/rheolution.com\/wp-content\/uploads\/Gelatin-Methacrylate-1.jpg?w=3660&amp;ssl=1 3660w\" sizes=\"(max-width:767px) 700px, (max-width:7875px) 100vw, 7875px\" \/>\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t\t\t\t\t\t<div class=\"premium-blog-thumbnail-overlay\">\n\t\t\t\t\t\t\t\t<a class=\"elementor-icon\" href=\"https:\/\/rheolution.com\/fr\/notes-application\/gelma-hydrogels\/\" target=\"_blank\">\n\t\t\t\t\t\t\t\t\t<span class=\"elementor-screen-only\">Hydrogels GelMA<\/span>\n\t\t\t\t\t\t\t\t<\/a>\n\t\t\t\t\t\t\t<\/div>\n\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t\t\t\t\t<div class=\"premium-blog-content-wrapper \">\n\n\t\t\t\t\t<div class=\"premium-blog-inner-container\">\n\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t<h4 class=\"premium-blog-entry-title\">\n\t\t\t<a href=\"https:\/\/rheolution.com\/fr\/notes-application\/gelma-hydrogels\/\" target=\"_blank\">\n\t\t\t\tHydrogels GelMA\t\t\t<\/a>\n\t\t<\/h4>\n\t\t\t\t<div class=\"premium-blog-entry-meta\">\n\t\t\t\n\t\t\t\n\t\t\t\n\t\t\t\t\t<\/div>\n\t\t\n\t\t\t\t\t<\/div>\n\n\t\t\t\t\t\t\t<div class=\"premium-blog-content-inner-wrapper\">\n\t\t<p class=\"premium-blog-post-content\">La g\u00e9latine m\u00e9thacryloyle (GelMA) est un hydrogel photor\u00e9ticulable d\u00e9riv\u00e9 de la g\u00e9latine, elle-m\u00eame obtenue par hydrolyse partielle du collag\u00e8ne, la principale prot\u00e9ine structurelle de la matrice extracellulaire (MEC). Le GelMA est synth\u00e9tis\u00e9 par r\u00e9action de la g\u00e9latine avec de l'anhydride m\u00e9thacrylique, ce qui permet d'introduire des groupes fonctionnels m\u00e9thacryloyle sur les r\u00e9sidus d'acides amin\u00e9s de la g\u00e9latine tout en pr\u00e9servant la plupart de ses motifs bioactifs natifs.<\/p><div class=\"premium-blog-excerpt-link-wrap\"><a href=\"https:\/\/rheolution.com\/fr\/notes-application\/gelma-hydrogels\/\" target=\"_blank\" class=\"premium-blog-excerpt-link elementor-button\">Lire la suite \u00bb<\/a><\/div>\t\t<\/div>\n\t\t\t\t\t\t\t\n\t\t\t\t<\/div>\n\t\t\t<\/div>\n\t\t<\/div>\n\n\t\t\t\t<div class=\"premium-blog-post-outer-container\" data-total=\"3\">\n\t\t\t<div class=\"premium-blog-post-container premium-blog-skin-classic\">\n\t\t\t\t\t\t\t\t\t<div class=\"premium-blog-thumb-effect-wrapper\">\n\t\t\t\t\t\t<div class=\"premium-blog-thumbnail-container premium-blog-zoomin-effect\">\n\t\t\t\t\t\t\t<img loading=\"lazy\" decoding=\"async\" width=\"7875\" height=\"2612\" src=\"https:\/\/i0.wp.com\/rheolution.com\/wp-content\/uploads\/Polydimethylsiloxane-PDMS-1.jpg?fit=7875%2C2612&amp;ssl=1\" class=\"attachment-full size-full wp-image-63388\" alt=\"\" data-attachment-id=\"63388\" data-permalink=\"https:\/\/rheolution.com\/fr\/polydimethylsiloxane-pdms-2-2\/\" data-orig-file=\"https:\/\/i0.wp.com\/rheolution.com\/wp-content\/uploads\/Polydimethylsiloxane-PDMS-1.jpg?fit=7875%2C2612&amp;ssl=1\" data-orig-size=\"7875,2612\" data-comments-opened=\"1\" data-image-title=\"Polydimethylsiloxane (PDMS)\" data-image-description=\"\" data-image-caption=\"\" data-large-file=\"https:\/\/i0.wp.com\/rheolution.com\/wp-content\/uploads\/Polydimethylsiloxane-PDMS-1.jpg?fit=1024%2C340&amp;ssl=1\" srcset=\"https:\/\/i0.wp.com\/rheolution.com\/wp-content\/uploads\/Polydimethylsiloxane-PDMS-1.jpg?w=7875&amp;ssl=1 7875w, https:\/\/i0.wp.com\/rheolution.com\/wp-content\/uploads\/Polydimethylsiloxane-PDMS-1.jpg?resize=300%2C100&amp;ssl=1 300w, https:\/\/i0.wp.com\/rheolution.com\/wp-content\/uploads\/Polydimethylsiloxane-PDMS-1.jpg?resize=1024%2C340&amp;ssl=1 1024w, https:\/\/i0.wp.com\/rheolution.com\/wp-content\/uploads\/Polydimethylsiloxane-PDMS-1.jpg?resize=768%2C255&amp;ssl=1 768w, https:\/\/i0.wp.com\/rheolution.com\/wp-content\/uploads\/Polydimethylsiloxane-PDMS-1.jpg?resize=1536%2C509&amp;ssl=1 1536w, https:\/\/i0.wp.com\/rheolution.com\/wp-content\/uploads\/Polydimethylsiloxane-PDMS-1.jpg?resize=2048%2C679&amp;ssl=1 2048w, https:\/\/i0.wp.com\/rheolution.com\/wp-content\/uploads\/Polydimethylsiloxane-PDMS-1.jpg?resize=150%2C50&amp;ssl=1 150w, https:\/\/i0.wp.com\/rheolution.com\/wp-content\/uploads\/Polydimethylsiloxane-PDMS-1.jpg?resize=700%2C232&amp;ssl=1 700w, https:\/\/i0.wp.com\/rheolution.com\/wp-content\/uploads\/Polydimethylsiloxane-PDMS-1.jpg?w=2440&amp;ssl=1 2440w, https:\/\/i0.wp.com\/rheolution.com\/wp-content\/uploads\/Polydimethylsiloxane-PDMS-1.jpg?w=3660&amp;ssl=1 3660w\" sizes=\"(max-width:767px) 700px, (max-width:7875px) 100vw, 7875px\" \/>\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t\t\t\t\t\t<div class=\"premium-blog-thumbnail-overlay\">\n\t\t\t\t\t\t\t\t<a class=\"elementor-icon\" href=\"https:\/\/rheolution.com\/fr\/notes-application\/polymeres-pdms\/\" target=\"_blank\">\n\t\t\t\t\t\t\t\t\t<span class=\"elementor-screen-only\">Polym\u00e8res PDMS<\/span>\n\t\t\t\t\t\t\t\t<\/a>\n\t\t\t\t\t\t\t<\/div>\n\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t\t\t\t\t<div class=\"premium-blog-content-wrapper \">\n\n\t\t\t\t\t<div class=\"premium-blog-inner-container\">\n\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t<h4 class=\"premium-blog-entry-title\">\n\t\t\t<a href=\"https:\/\/rheolution.com\/fr\/notes-application\/polymeres-pdms\/\" target=\"_blank\">\n\t\t\t\tPolym\u00e8res PDMS\t\t\t<\/a>\n\t\t<\/h4>\n\t\t\t\t<div class=\"premium-blog-entry-meta\">\n\t\t\t\n\t\t\t\n\t\t\t\n\t\t\t\t\t<\/div>\n\t\t\n\t\t\t\t\t<\/div>\n\n\t\t\t\t\t\t\t<div class=\"premium-blog-content-inner-wrapper\">\n\t\t<p class=\"premium-blog-post-content\">Le polydim\u00e9thylsiloxane (PDMS) est un polym\u00e8re polysiloxane synth\u00e9tique compos\u00e9 d\u2019un squelette siloxane inorganique souple (\u2013Si\u2013O\u2013Si\u2013) comportant des groupes lat\u00e9raux m\u00e9thyle. Cette architecture inorganique-organique unique conf\u00e8re au PDMS une mobilit\u00e9 de cha\u00eene exceptionnelle, une tr\u00e8s basse temp\u00e9rature de transition vitreuse et un comportement \u00e9lastom\u00e8re stable sur une large plage de temp\u00e9ratures. Le PDMS est produit exclusivement par synth\u00e8se industrielle, impliquant g\u00e9n\u00e9ralement l\u2019hydrolyse et la condensation de chlorosilanes, suivies d\u2019une polym\u00e9risation par ouverture de cycle de siloxanes cycliques.<\/p><div class=\"premium-blog-excerpt-link-wrap\"><a href=\"https:\/\/rheolution.com\/fr\/notes-application\/polymeres-pdms\/\" target=\"_blank\" class=\"premium-blog-excerpt-link elementor-button\">Lire la suite \u00bb<\/a><\/div>\t\t<\/div>\n\t\t\t\t\t\t\t\n\t\t\t\t<\/div>\n\t\t\t<\/div>\n\t\t<\/div>\n\n\t\t\t\t\t\t\t<\/div>\n\n\t\t\t\t\t<div class=\"premium-blog-footer\">\n\t\t\t\t\t\t\t<nav class=\"premium-blog-pagination-container\" role=\"navigation\" aria-label=\"Pagination\">\n\t\t\t\t<span aria-current=\"page\" class=\"page-numbers current\">1<\/span>\n<a class=\"page-numbers\" href=\"https:\/\/rheolution.com\/fr\/wp-json\/wp\/v2\/posts\/64832\/page\/2\/\">2<\/a>\n<a class=\"page-numbers\" href=\"https:\/\/rheolution.com\/fr\/wp-json\/wp\/v2\/posts\/64832\/page\/3\/\">3<\/a>\n<a class=\"next page-numbers\" href=\"https:\/\/rheolution.com\/fr\/wp-json\/wp\/v2\/posts\/64832\/page\/2\/\">Suivant \u00bb<\/a>\t\t\t<\/nav>\n\t\t\t\t\t\t<\/div>\n\t\t\n\t\t\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t","protected":false},"excerpt":{"rendered":"<p>Le polym\u00e9thacrylate de m\u00e9thyle (PMMA) est un polym\u00e8re thermoplastique synth\u00e9tique appartenant \u00e0 la famille des r\u00e9sines acryliques. Il est form\u00e9 par la polym\u00e9risation radicalaire de monom\u00e8res de m\u00e9thacrylate de m\u00e9thyle (MMA), ce qui donne un polym\u00e8re lin\u00e9aire et amorphe dot\u00e9 d\u2019une clart\u00e9 optique \u00e9lev\u00e9e et d\u2019une rigidit\u00e9 structurelle. Le PMMA est enti\u00e8rement produit de mani\u00e8re industrielle, le MMA \u00e9tant synth\u00e9tis\u00e9 \u00e0 partir de mati\u00e8res premi\u00e8res p\u00e9trochimiques et polym\u00e9ris\u00e9 par initiation thermique, chimique ou photochimique contr\u00f4l\u00e9e.   <\/p>\n","protected":false},"author":195401359,"featured_media":63428,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_monsterinsights_skip_tracking":false,"_jetpack_newsletter_access":"","_jetpack_dont_email_post_to_subs":false,"_jetpack_newsletter_tier_id":0,"_jetpack_memberships_contains_paywalled_content":false,"_wpcom_ai_launchpad_first_post":false,"_jetpack_hide_featured_image":false,"_jetpack_featured_image_duplicate_dismissed":0,"_jetpack_feature_clip_id":0,"_jetpack_memberships_contains_paid_content":false,"footnotes":"","jetpack_post_was_ever_published":false},"categories":[285,333],"tags":[89,124,88,261],"class_list":["post-64832","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-notes-application","category-polymer-library","tag-elastosens-bio","tag-life-sciences","tag-mechanical-testing","tag-polymer"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v28.7 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