{"id":64713,"date":"2026-01-22T11:44:34","date_gmt":"2026-01-22T16:44:34","guid":{"rendered":"https:\/\/rheolution.com\/?p=64713"},"modified":"2026-08-14T09:44:41","modified_gmt":"2026-08-14T13:44:41","slug":"polimeros-de-poliuretano","status":"publish","type":"post","link":"https:\/\/rheolution.com\/pt\/notas-de-aplicacao\/polimeros-de-poliuretano\/","title":{"rendered":"Pol\u00edmeros de poliuretano (PU)"},"content":{"rendered":"\t\t<div data-elementor-type=\"wp-post\" data-elementor-id=\"64713\" class=\"elementor elementor-64713 elementor-63219\" 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\">Nota de Aplica\u00e7\u00e3o | 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\">Pol\u00edmeros de poliuretano (PU): Propriedades, aplica\u00e7\u00f5es e comportamento mec\u00e2nico<\/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>por <a href=\"https:\/\/www.linkedin.com\/in\/mayasalame\/\">Maya Salame<\/a> e <a href=\"https:\/\/www.linkedin.com\/in\/dimitria-camas%C3%A3o-049002a2\/\">Dimitria Camasao<\/a><\/p><p>Cientistas de Aplica\u00e7\u00f5es<\/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\">O que \u00e9 o poliuretano (PU)?<\/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\">Os poliuretanos (PUs) s\u00e3o uma fam\u00edlia vers\u00e1til de pol\u00edmeros sint\u00e9ticos caracterizada pela presen\u00e7a de liga\u00e7\u00f5es de ureto (carbamato) em sua estrutura principal. Eles s\u00e3o sintetizados industrialmente por meio de rea\u00e7\u00f5es de polimeriza\u00e7\u00e3o por crescimento escalonado entre diisocianatos e poli\u00f3is, seguidas pela extens\u00e3o da cadeia utilizando di\u00f3is ou diaminas de baixo peso molecular. A arquitetura macromolecular resultante \u00e9 tipicamente segmentada, consistindo em segmentos macios (derivados de poli\u00f3is de poli\u00e9ter, poli\u00e9ster ou policarbonato) e segmentos r\u00edgidos (formados a partir de diisocianatos e extensores de cadeia). Essa estrutura segmentada leva \u00e0 separa\u00e7\u00e3o de microfases, que \u00e9 fundamental para as propriedades mec\u00e2nicas, t\u00e9rmicas e biol\u00f3gicas ajust\u00e1veis dos materiais de poliuretano.   <\/span><\/p><p><span style=\"font-weight: 400\">Os poliuretanos s\u00e3o inteiramente sint\u00e9ticos e s\u00e3o produzidos a partir de precursores petroqu\u00edmicos ou, cada vez mais, de origem biol\u00f3gica. Sua s\u00edntese pode seguir vias de uma ou duas etapas (pr\u00e9-pol\u00edmero), permitindo o controle do peso molecular, da distribui\u00e7\u00e3o de segmentos e do desempenho final do material. Dependendo da composi\u00e7\u00e3o e do processamento, os PU podem ser formulados como elast\u00f4meros termopl\u00e1sticos, termofixos, espumas, membranas ou hidrog\u00e9is. Essa adaptabilidade impulsionou seu uso generalizado em dispositivos biom\u00e9dicos, curativos para feridas e arcabou\u00e7os para engenharia de tecidos.   <\/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\">Principais propriedades do poliuretano<\/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\">Caracter\u00edsticas f\u00edsico-qu\u00edmicas<\/h3>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-f3f79d0 elementor-widget elementor-widget-text-editor\" data-id=\"f3f79d0\" 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 forma\u00e7\u00e3o do poliuretano depende de rea\u00e7\u00f5es qu\u00edmicas bem definidas e de princ\u00edpios de projeto estrutural que determinam o comportamento final do material.<\/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-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\">Os mecanismos de polimeriza\u00e7\u00e3o e forma\u00e7\u00e3o de redes incluem:<\/span><\/p><ul><li style=\"font-weight: 400\"><span style=\"font-weight: 400\">Rea\u00e7\u00f5es de poliadi\u00e7\u00e3o entre diisocianatos e poli\u00f3is.<\/span><\/li><li style=\"font-weight: 400\"><span style=\"font-weight: 400\">Estrat\u00e9gias de s\u00edntese em uma ou duas etapas (baseadas em pr\u00e9-pol\u00edmeros).<\/span><\/li><li style=\"font-weight: 400\"><span style=\"font-weight: 400\">Forma\u00e7\u00e3o de copol\u00edmeros em bloco segmentados com dom\u00ednios separados por microfases.<\/span><\/li><\/ul><p><span style=\"font-weight: 400\">As estrat\u00e9gias de reticula\u00e7\u00e3o e controle estrutural incluem:<\/span><\/p><ul><li style=\"font-weight: 400\"><span style=\"font-weight: 400\">Reticula\u00e7\u00e3o f\u00edsica por meio de liga\u00e7\u00f5es de hidrog\u00eanio entre segmentos r\u00edgidos.<\/span><\/li><li style=\"font-weight: 400\"><span style=\"font-weight: 400\">Reticula\u00e7\u00e3o qu\u00edmica por meio de isocianatos multifuncionais ou poli\u00f3is.<\/span><\/li><li style=\"font-weight: 400\"><span style=\"font-weight: 400\">Redes polim\u00e9ricas interpenetrantes formadas pela combina\u00e7\u00e3o de PU com sistemas polim\u00e9ricos secund\u00e1rios.<\/span><\/li><\/ul><p><span style=\"font-weight: 400\">Os fatores ambientais e composicionais que influenciam a forma\u00e7\u00e3o de pol\u00edmeros incluem:<\/span><\/p><ul><li style=\"font-weight: 400\"><span style=\"font-weight: 400\">Tipo de isocianato (arom\u00e1tico vs. alif\u00e1tico).<\/span><\/li><li style=\"font-weight: 400\"><span style=\"font-weight: 400\">Natureza do segmento macio (polieter, poli\u00e9ster, policarbonato).<\/span><\/li><li style=\"font-weight: 400\"><span style=\"font-weight: 400\">Propor\u00e7\u00e3o entre segmentos macios e r\u00edgidos, que determina a elasticidade, a resist\u00eancia e o comportamento de degrada\u00e7\u00e3o.<\/span><\/li><\/ul><p><span style=\"font-weight: 400\">Essas vari\u00e1veis f\u00edsico-qu\u00edmicas permitem o ajuste preciso da hidrofilicidade, da estabilidade t\u00e9rmica, da processabilidade e da intera\u00e7\u00e3o com ambientes aquosos ou biol\u00f3gicos.<\/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-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\">Propriedades mec\u00e2nicas<\/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\">O comportamento mec\u00e2nico dos pol\u00edmeros de poliuretano \u00e9 uma de suas principais caracter\u00edsticas e depende em grande parte da formula\u00e7\u00e3o e da estrutura.<\/span><\/p><ul><li style=\"font-weight: 400\"><span style=\"font-weight: 400\">Os PU podem apresentar uma ampla gama de rigidez, desde materiais macios e altamente el\u00e1sticos at\u00e9 elast\u00f4meros mecanicamente robustos.<\/span><\/li><li style=\"font-weight: 400\"><span style=\"font-weight: 400\">A separa\u00e7\u00e3o em microfases entre segmentos macios e r\u00edgidos proporciona elasticidade aliada \u00e0 resist\u00eancia mec\u00e2nica e \u00e0 resist\u00eancia \u00e0 fadiga.<\/span><\/li><li style=\"font-weight: 400\"><span style=\"font-weight: 400\">O aumento do teor de segmentos r\u00edgidos geralmente melhora a resist\u00eancia \u00e0 tra\u00e7\u00e3o e o m\u00f3dulo de elasticidade, enquanto um maior teor de segmentos flex\u00edveis aumenta a flexibilidade e a extensibilidade.<\/span><\/li><li style=\"font-weight: 400\"><span style=\"font-weight: 400\">Os poliuretanos \u00e0 base de policarbonato geralmente apresentam estabilidade mec\u00e2nica e resist\u00eancia \u00e0 degrada\u00e7\u00e3o hidrol\u00edtica superiores em compara\u00e7\u00e3o com os sistemas \u00e0 base de poli\u00e9ter.<\/span><\/li><\/ul><p><span style=\"font-weight: 400\">As formula\u00e7\u00f5es de poliuretano degrad\u00e1vel apresentam uma evolu\u00e7\u00e3o mec\u00e2nica dependente do tempo, na qual o m\u00f3dulo de elasticidade e a resist\u00eancia diminuem \u00e0 medida que as cadeias polim\u00e9ricas sofrem degrada\u00e7\u00e3o hidrol\u00edtica, oxidativa ou enzim\u00e1tica. Esse comportamento \u00e9 particularmente relevante para implantes biom\u00e9dicos tempor\u00e1rios e arcabou\u00e7os destinados a serem substitu\u00eddos por tecido em regenera\u00e7\u00e3o. <\/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-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\">Intera\u00e7\u00f5es biol\u00f3gicas<\/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\">Os poliuretanos t\u00eam sido amplamente estudados quanto \u00e0s suas intera\u00e7\u00f5es com sistemas biol\u00f3gicos, especialmente nos contextos m\u00e9dico e da engenharia de tecidos.<\/span><\/p><ul><li style=\"font-weight: 400\"><span style=\"font-weight: 400\">As superf\u00edcies de PU favorecem a ades\u00e3o, a dissemina\u00e7\u00e3o e a prolifera\u00e7\u00e3o de diversos tipos de c\u00e9lulas, incluindo fibroblastos, c\u00e9lulas endoteliais, osteoblastos e c\u00e9lulas-tronco.<\/span><\/li><li style=\"font-weight: 400\"><span style=\"font-weight: 400\">Os PU\u2019s devidamente formulados apresentam boa biocompatibilidade e baixa citotoxicidade in vitro e in vivo.<\/span><\/li><li style=\"font-weight: 400\"><span style=\"font-weight: 400\">A aus\u00eancia de motivos bioativos intr\u00ednsecos significa que as intera\u00e7\u00f5es celulares s\u00e3o mediadas principalmente pela qu\u00edmica da superf\u00edcie, pela topografia e por est\u00edmulos mec\u00e2nicos.<\/span><\/li><li style=\"font-weight: 400\"><span style=\"font-weight: 400\">Os produtos e as taxas de degrada\u00e7\u00e3o dependem fortemente da composi\u00e7\u00e3o qu\u00edmica do pol\u00edmero; os sistemas alif\u00e1ticos e \u00e0 base de policarbonato s\u00e3o geralmente preferidos por apresentarem maior toler\u00e2ncia biol\u00f3gica.<\/span><\/li><\/ul><p><span style=\"font-weight: 400\">Essas caracter\u00edsticas tornam o poliuretano um material de base confi\u00e1vel, que pode ser ainda mais funcionalizado para potencializar respostas biol\u00f3gicas espec\u00edficas.<\/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\">Aplica\u00e7\u00f5es do poliuretano<\/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\">Engenharia de tecidos<\/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\">Os pol\u00edmeros de poliuretano s\u00e3o amplamente utilizados como materiais de arcabou\u00e7o na engenharia de tecidos devido \u00e0 sua elasticidade ajust\u00e1vel e estabilidade estrutural. Suas propriedades mec\u00e2nicas podem ser ajustadas para se adequarem \u00e0s dos tecidos moles, como cartilagem, m\u00fasculo ou pele. Estruturas de PU porosas fabricadas por meio de t\u00e9cnicas como espuma\u00e7\u00e3o, eletrofiagem, liofiliza\u00e7\u00e3o ou manufatura aditiva favorecem a infiltra\u00e7\u00e3o celular, a integra\u00e7\u00e3o tecidual e, em formula\u00e7\u00f5es degrad\u00e1veis, a transfer\u00eancia gradual de carga para o tecido em regenera\u00e7\u00e3o.  <\/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\">Cultura celular 3D e modelos de doen\u00e7as<\/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\">Em sistemas de cultura celular tridimensionais, os arcabou\u00e7os e hidrog\u00e9is \u00e0 base de poliuretano proporcionam ambientes com propriedades mec\u00e2nicas definidas que influenciam a morfologia, a diferencia\u00e7\u00e3o e a fun\u00e7\u00e3o celular. Sua compatibilidade com t\u00e9cnicas avan\u00e7adas de fabrica\u00e7\u00e3o, incluindo impress\u00e3o por extrus\u00e3o e bioplotting, permite a cria\u00e7\u00e3o de arquiteturas com tamanho de poros controlado, anisotropia e gradientes de rigidez. Essas caracter\u00edsticas s\u00e3o valiosas para modelar microambientes espec\u00edficos de tecidos e altera\u00e7\u00f5es mec\u00e2nicas relacionadas a doen\u00e7as.  <\/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\">Administra\u00e7\u00e3o de Medicamentos, Genes e C\u00e9lulas<\/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\">Os materiais de poliuretano tamb\u00e9m s\u00e3o utilizados como ve\u00edculos ou matrizes para aplica\u00e7\u00f5es de libera\u00e7\u00e3o controlada. Sua estrutura segmentada permite a incorpora\u00e7\u00e3o de dom\u00ednios hidrof\u00edlicos ou hidrof\u00f3bicos, possibilitando o encapsulamento e a libera\u00e7\u00e3o sustentada de agentes terap\u00eauticos. Hidrog\u00e9is de PU injet\u00e1veis ou com mem\u00f3ria de forma podem se adaptar a locais de defeitos irregulares, proporcionando a administra\u00e7\u00e3o localizada de medicamentos ou c\u00e9lulas, ao mesmo tempo em que mant\u00eam a integridade mec\u00e2nica durante o processo de cicatriza\u00e7\u00e3o.  <\/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\">Por que a viscoelasticidade do poliuretano \u00e9 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\">O comportamento viscoel\u00e1stico do poliuretano \u00e9 fundamental para seu desempenho em aplica\u00e7\u00f5es biol\u00f3gicas e funcionais. Muitos tecidos-alvo apresentam respostas mec\u00e2nicas dependentes do tempo, e os materiais de PU podem ser projetados para reproduzir essas caracter\u00edsticas. A viscoelasticidade influencia a forma como as tens\u00f5es s\u00e3o distribu\u00eddas sob carga, como as c\u00e9lulas percebem e respondem ao seu ambiente e como os materiais se comportam sob deforma\u00e7\u00e3o c\u00edclica ou de longo prazo. A adequa\u00e7\u00e3o das propriedades viscoel\u00e1sticas de estruturas \u00e0 base de PU \u00e0s do tecido nativo melhora a compatibilidade mec\u00e2nica, a durabilidade e os resultados biol\u00f3gicos.   <\/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\u00e9todos para caracterizar a viscoelasticidade do poliuretano<\/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\">As propriedades mec\u00e2nicas e viscoel\u00e1sticas dos pol\u00edmeros de poliuretano s\u00e3o comumente caracterizadas por meio de:<\/span><\/p><ul><li style=\"font-weight: 400\"><span style=\"font-weight: 400\">Ensaios de tra\u00e7\u00e3o e compress\u00e3o para medir o m\u00f3dulo de elasticidade, a resist\u00eancia e o alongamento.<\/span><\/li><li style=\"font-weight: 400\"><span style=\"font-weight: 400\">An\u00e1lise mec\u00e2nica din\u00e2mica e reometria para avaliar os m\u00f3dulos de armazenamento e de perda, bem como o comportamento em fun\u00e7\u00e3o do tempo.<\/span><\/li><li style=\"font-weight: 400\"><span style=\"font-weight: 400\">Testes de fadiga e de carga c\u00edclica para avaliar a durabilidade sob deforma\u00e7\u00f5es repetidas.<\/span><\/li><\/ul><p><span style=\"font-weight: 400\">Os m\u00e9todos tradicionais de ensaio mec\u00e2nico geralmente exigem uma prepara\u00e7\u00e3o destrutiva das amostras, oferecem resolu\u00e7\u00e3o temporal limitada e podem n\u00e3o detectar os est\u00e1gios iniciais da polimeriza\u00e7\u00e3o ou mudan\u00e7as sutis durante a degrada\u00e7\u00e3o. Essas limita\u00e7\u00f5es s\u00e3o particularmente relevantes para sistemas de poliuretano macios ou hidratados. <\/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: Uma ferramenta n\u00e3o destrutiva para medir pol\u00edmeros de poliuretano macios<\/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\">O <a href=\"https:\/\/rheolution.com\/instrument-elastosensbio\/\" target=\"_blank\" rel=\"noopener\"><strong>ElastoSens\u2122 Bio <\/strong><\/a> <\/span><span style=\"font-weight: 400\"> <\/span><span style=\"font-weight: 400\">\u00e9 um instrumento n\u00e3o destrutivo e sem contato, projetado para a caracteriza\u00e7\u00e3o viscoel\u00e1stica de materiais polim\u00e9ricos macios, como hidrog\u00e9is de poliuretano e elast\u00f4meros. Ele funciona monitorando as varia\u00e7\u00f5es na frequ\u00eancia de resson\u00e2ncia induzidas por pequenas perturba\u00e7\u00f5es mec\u00e2nicas, permitindo a medi\u00e7\u00e3o em tempo real da rigidez e da evolu\u00e7\u00e3o viscoel\u00e1stica. <\/span><\/p><p><span style=\"font-weight: 400\">Para sistemas macios \u00e0 base de poliuretano, o ElastoSens\u2122 Bio \u00e9 particularmente adequado porque:<\/span><\/p><ul><li style=\"font-weight: 400\"><span style=\"font-weight: 400\">Mede materiais macios e altamente flex\u00edveis com alta sensibilidade e repetibilidade.<\/span><\/li><li style=\"font-weight: 400\"><span style=\"font-weight: 400\">Permite o monitoramento cont\u00ednuo e em tempo real da polimeriza\u00e7\u00e3o, cura ou forma\u00e7\u00e3o de rede.<\/span><\/li><li style=\"font-weight: 400\"><span style=\"font-weight: 400\">Permite a realiza\u00e7\u00e3o de testes longitudinais da mesma amostra ao longo do tempo, inclusive em condi\u00e7\u00f5es est\u00e9reis.<\/span><\/li><li style=\"font-weight: 400\"><span style=\"font-weight: 400\">Oferece suporte a fluxos de trabalho n\u00e3o destrutivos que preservam a integridade da amostra e sua relev\u00e2ncia biol\u00f3gica.<\/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-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-43562\" 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=\"43562\" data-permalink=\"https:\/\/rheolution.com\/pt\/elastosens2-4-2-2\/\" 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-meta=\"{&quot;aperture&quot;:&quot;0&quot;,&quot;credit&quot;:&quot;&quot;,&quot;camera&quot;:&quot;&quot;,&quot;caption&quot;:&quot;&quot;,&quot;created_timestamp&quot;:&quot;0&quot;,&quot;copyright&quot;:&quot;&quot;,&quot;focal_length&quot;:&quot;0&quot;,&quot;iso&quot;:&quot;0&quot;,&quot;shutter_speed&quot;:&quot;0&quot;,&quot;title&quot;:&quot;&quot;,&quot;orientation&quot;:&quot;0&quot;}\" 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-4c4f175 elementor-widget elementor-widget-text-editor\" data-id=\"4c4f175\" 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\">Essas capacidades tornam-no uma ferramenta poderosa para o estudo do desenvolvimento mec\u00e2nico, da estabilidade e da degrada\u00e7\u00e3o de materiais macios de poliuretano na \u00e1rea de pesquisa e desenvolvimento biom\u00e9dico.<\/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-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\">Conclus\u00f5es e perspectivas<\/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\">O comportamento mec\u00e2nico dos pol\u00edmeros macios de poliuretano (PU) \u2014 determinado pela arquitetura segmentar, pela densidade de reticula\u00e7\u00e3o e pela viscoelasticidade dependente do tempo \u2014 \u00e9 fundamental para seu desempenho em aplica\u00e7\u00f5es biom\u00e9dicas e com materiais macios. Como os sistemas de PU podem evoluir a partir de precursores l\u00edquidos ou semil\u00edquidos para redes el\u00e1sticas e continuar a se transformar com o tempo, suas propriedades mec\u00e2nicas se beneficiam de abordagens de caracteriza\u00e7\u00e3o que preservam a estrutura e a esterilidade. <\/span><\/p><p><span style=\"font-weight: 400\">A caracteriza\u00e7\u00e3o viscoel\u00e1stica n\u00e3o destrutiva com o ElastoSens\u2122 Bio permite:<\/span><\/p><ul><li style=\"font-weight: 400\"><span style=\"font-weight: 400\">Medi\u00e7\u00f5es de alta sensibilidade e repet\u00edveis, espec\u00edficas para materiais de PU macios.<\/span><\/li><li style=\"font-weight: 400\"><span style=\"font-weight: 400\">Monitoramento em tempo real da cin\u00e9tica de gelifica\u00e7\u00e3o e identifica\u00e7\u00e3o do ponto de transi\u00e7\u00e3o l\u00edquido-gel.<\/span><\/li><li style=\"font-weight: 400\"><span style=\"font-weight: 400\">Determina\u00e7\u00e3o precisa da rigidez final e da matura\u00e7\u00e3o da rede.<\/span><\/li><li style=\"font-weight: 400\"><span style=\"font-weight: 400\">Testes longitudinais da mesma amostra de PU para acompanhar a evolu\u00e7\u00e3o mec\u00e2nica em condi\u00e7\u00f5es est\u00e9reis.<\/span><\/li><li style=\"font-weight: 400\"><span style=\"font-weight: 400\">Fotoestimula\u00e7\u00e3o integrada para acompanhar os processos de fotoreticula\u00e7\u00e3o e cura em tempo real.<\/span><\/li><\/ul><p><span style=\"font-weight: 400\">Em conjunto, essas capacidades contribuem para uma melhor compreens\u00e3o, otimiza\u00e7\u00e3o e reprodutibilidade dos sistemas de pol\u00edmeros macios \u00e0 base de PU.<\/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\">Refer\u00eancias<\/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:\/\/www.mdpi.com\/2073-4360\/15\/21\/4301\" target=\"_blank\" rel=\"noopener\"><span style=\"font-weight: 400\">Liang, W., Ni, N., Huang, Y., &amp; Lin, C. (2023). An advanced review: Polyurethane-related dressings for skin wound repair.  <\/span><i><span style=\"font-weight: 400\">Polymers<\/span><\/i><span style=\"font-weight: 400\">, <\/span><i><span style=\"font-weight: 400\">15<\/span><\/i><span style=\"font-weight: 400\">(21), 4301.<\/span><\/a><\/p><p><a href=\"https:\/\/journals.sagepub.com\/doi\/10.1089\/ten.teb.2019.0224\" target=\"_blank\" rel=\"noopener\"><span style=\"font-weight: 400\">Griffin, M., Castro, N., Bas, O., Saifzadeh, S., Butler, P., &amp; Hutmacher, D. W. (2020). The current versatility of polyurethane three-dimensional printing for biomedical applications.  <\/span><i><span style=\"font-weight: 400\">Tissue Engineering Part B: Reviews<\/span><\/i><span style=\"font-weight: 400\">, <\/span><i><span style=\"font-weight: 400\">26<\/span><\/i><span style=\"font-weight: 400\">(3), 272-283.<\/span><\/a><\/p><p><a href=\"https:\/\/www.mdpi.com\/2073-4360\/14\/9\/1672\" target=\"_blank\" rel=\"noopener\"><span style=\"font-weight: 400\">Tan, R. Y. H., Lee, C. S., Pichika, M. R., Cheng, S. F., &amp; Lam, K. Y. (2022). PH responsive polyurethane for the advancement of biomedical and drug delivery.  <\/span><i><span style=\"font-weight: 400\">Polymers<\/span><\/i><span style=\"font-weight: 400\">, <\/span><i><span style=\"font-weight: 400\">14<\/span><\/i><span style=\"font-weight: 400\">(9), 1672.<\/span><\/a><\/p><p><a href=\"https:\/\/www.cell.com\/cell-reports-physical-science\/fulltext\/S2666-3864(24)00322-9\" target=\"_blank\" rel=\"noopener\"><span style=\"font-weight: 400\">Dang, G. P., Gu, J. T., Song, J. H., Li, Z. T., Hao, J. X., Wang, Y. Z., &#8230; &amp; Xia, L. Y. (2024). Multifunctional polyurethane materials in regenerative medicine and tissue engineering.  <\/span><i><span style=\"font-weight: 400\">Cell Reports Physical Science<\/span><\/i><span style=\"font-weight: 400\">, <\/span><i><span style=\"font-weight: 400\">5<\/span><\/i><span style=\"font-weight: 400\">(7).<\/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>Descubra como nossa tecnologia mede, de forma n\u00e3o destrutiva, as propriedades viscoel\u00e1sticas de biomateriais e tecidos moles utilizando microvolumes de amostras<\/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\">Entre em contato conosco para obter mais informa\u00e7\u00f5es<\/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\">Artigos relacionados<\/p>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-3f623a9 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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\/pt\/notas-de-aplicacao\/hidrogeis-de-alginato\/\" target=\"_blank\">\n\t\t\t\t\t\t\t\t\t<span class=\"elementor-screen-only\">Hidrog\u00e9is de alginato<\/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\/pt\/notas-de-aplicacao\/hidrogeis-de-alginato\/\" target=\"_blank\">\n\t\t\t\tHidrog\u00e9is de alginato\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\">Os hidrog\u00e9is de alginato s\u00e3o redes polim\u00e9ricas tridimensionais ricas em \u00e1gua, derivadas do alginato, um polissacar\u00eddeo ani\u00f4nico de origem natural. O alginato \u00e9 extra\u00eddo principalmente das paredes celulares das algas marrons pertencentes \u00e0 classe Phaeophyceae, embora tamb\u00e9m possa ser biossintetizado por certas esp\u00e9cies bacterianas, como Azotobacter e Pseudomonas. Estruturalmente, o alginato \u00e9 um copol\u00edmero linear composto por \u00e1cido \u03b2-D-manur\u00f4nico (unidades M) e \u00e1cido \u03b1-L-gulur\u00f4nico (unidades G), ligados por liga\u00e7\u00f5es glicos\u00eddicas 1\u21924.<\/p><div class=\"premium-blog-excerpt-link-wrap\"><a href=\"https:\/\/rheolution.com\/pt\/notas-de-aplicacao\/hidrogeis-de-alginato\/\" target=\"_blank\" class=\"premium-blog-excerpt-link elementor-button\">Leia mais \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=\"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-65567\" alt=\"Gelatin Methacrylate - GelMa\" data-attachment-id=\"65567\" data-permalink=\"https:\/\/rheolution.com\/pt\/notas-de-aplicacao\/gelma-hidrogeis\/attachment\/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-meta=\"{&quot;aperture&quot;:&quot;0&quot;,&quot;credit&quot;:&quot;&quot;,&quot;camera&quot;:&quot;&quot;,&quot;caption&quot;:&quot;&quot;,&quot;created_timestamp&quot;:&quot;0&quot;,&quot;copyright&quot;:&quot;&quot;,&quot;focal_length&quot;:&quot;0&quot;,&quot;iso&quot;:&quot;0&quot;,&quot;shutter_speed&quot;:&quot;0&quot;,&quot;title&quot;:&quot;&quot;,&quot;orientation&quot;:&quot;0&quot;}\" 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\/pt\/notas-de-aplicacao\/gelma-hidrogeis\/\" target=\"_blank\">\n\t\t\t\t\t\t\t\t\t<span class=\"elementor-screen-only\">Hidrog\u00e9is 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\/pt\/notas-de-aplicacao\/gelma-hidrogeis\/\" target=\"_blank\">\n\t\t\t\tHidrog\u00e9is 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\">A gelatina metacril\u00f3il (GelMA) \u00e9 um hidrogel fotocrosslink\u00e1vel derivado da gelatina, que, por sua vez, \u00e9 obtida por hidr\u00f3lise parcial do col\u00e1geno, a principal prote\u00edna estrutural da matriz extracelular (MEC). A GelMA \u00e9 sintetizada por meio da rea\u00e7\u00e3o da gelatina com o anidrido metacr\u00edlico, introduzindo grupos funcionais metacril\u00f3is nos res\u00edduos de amino\u00e1cidos da gelatina, ao mesmo tempo em que preserva a maior parte de seus motivos bioativos nativos.<\/p><div class=\"premium-blog-excerpt-link-wrap\"><a href=\"https:\/\/rheolution.com\/pt\/notas-de-aplicacao\/gelma-hidrogeis\/\" target=\"_blank\" class=\"premium-blog-excerpt-link elementor-button\">Leia mais \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-65405\" alt=\"Polydimethylsiloxane (PDMS)\" data-attachment-id=\"65405\" data-permalink=\"https:\/\/rheolution.com\/pt\/notas-de-aplicacao\/pdms-polimeros\/attachment\/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-meta=\"{&quot;aperture&quot;:&quot;0&quot;,&quot;credit&quot;:&quot;&quot;,&quot;camera&quot;:&quot;&quot;,&quot;caption&quot;:&quot;&quot;,&quot;created_timestamp&quot;:&quot;0&quot;,&quot;copyright&quot;:&quot;&quot;,&quot;focal_length&quot;:&quot;0&quot;,&quot;iso&quot;:&quot;0&quot;,&quot;shutter_speed&quot;:&quot;0&quot;,&quot;title&quot;:&quot;&quot;,&quot;orientation&quot;:&quot;0&quot;}\" 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\/pt\/notas-de-aplicacao\/pdms-polimeros\/\" target=\"_blank\">\n\t\t\t\t\t\t\t\t\t<span class=\"elementor-screen-only\">Pol\u00edmeros 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\/pt\/notas-de-aplicacao\/pdms-polimeros\/\" target=\"_blank\">\n\t\t\t\tPol\u00edmeros 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\">O polidimetilsiloxano (PDMS) \u00e9 um pol\u00edmero polissiloxano sint\u00e9tico composto por uma estrutura principal flex\u00edvel de siloxano inorg\u00e2nico (\u2013Si\u2013O\u2013Si\u2013) com grupos laterais metil. Essa arquitetura inorg\u00e2nico-org\u00e2nica \u00fanica confere ao PDMS excepcional mobilidade de cadeia, temperatura de transi\u00e7\u00e3o v\u00edtrea muito baixa e comportamento elastom\u00e9rico est\u00e1vel em uma ampla faixa de temperatura. O PDMS \u00e9 produzido exclusivamente por s\u00edntese industrial, envolvendo tipicamente a hidr\u00f3lise e a condensa\u00e7\u00e3o de clorosilanos, seguidas pela polimeriza\u00e7\u00e3o por abertura de anel de siloxanos c\u00edclicos.<\/p><div class=\"premium-blog-excerpt-link-wrap\"><a href=\"https:\/\/rheolution.com\/pt\/notas-de-aplicacao\/pdms-polimeros\/\" target=\"_blank\" class=\"premium-blog-excerpt-link elementor-button\">Leia mais \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=\"7000\" height=\"2322\" src=\"https:\/\/i0.wp.com\/rheolution.com\/wp-content\/uploads\/GELATIN.jpg?fit=7000%2C2322&amp;ssl=1\" class=\"attachment-full size-full wp-image-65386\" alt=\"Gelatin Hydrogel\" data-attachment-id=\"65386\" data-permalink=\"https:\/\/rheolution.com\/pt\/notas-de-aplicacao\/hidrogel-de-gelatina\/attachment\/gelatin-5-2\/\" data-orig-file=\"https:\/\/i0.wp.com\/rheolution.com\/wp-content\/uploads\/GELATIN.jpg?fit=7000%2C2322&amp;ssl=1\" data-orig-size=\"7000,2322\" data-comments-opened=\"1\" data-image-meta=\"{&quot;aperture&quot;:&quot;0&quot;,&quot;credit&quot;:&quot;&quot;,&quot;camera&quot;:&quot;&quot;,&quot;caption&quot;:&quot;&quot;,&quot;created_timestamp&quot;:&quot;0&quot;,&quot;copyright&quot;:&quot;&quot;,&quot;focal_length&quot;:&quot;0&quot;,&quot;iso&quot;:&quot;0&quot;,&quot;shutter_speed&quot;:&quot;0&quot;,&quot;title&quot;:&quot;&quot;,&quot;orientation&quot;:&quot;0&quot;}\" data-image-title=\"GELATIN\" data-image-description=\"\" data-image-caption=\"\" data-large-file=\"https:\/\/i0.wp.com\/rheolution.com\/wp-content\/uploads\/GELATIN.jpg?fit=1024%2C340&amp;ssl=1\" srcset=\"https:\/\/i0.wp.com\/rheolution.com\/wp-content\/uploads\/GELATIN.jpg?w=7000&amp;ssl=1 7000w, https:\/\/i0.wp.com\/rheolution.com\/wp-content\/uploads\/GELATIN.jpg?resize=300%2C100&amp;ssl=1 300w, https:\/\/i0.wp.com\/rheolution.com\/wp-content\/uploads\/GELATIN.jpg?resize=1024%2C340&amp;ssl=1 1024w, https:\/\/i0.wp.com\/rheolution.com\/wp-content\/uploads\/GELATIN.jpg?resize=768%2C255&amp;ssl=1 768w, https:\/\/i0.wp.com\/rheolution.com\/wp-content\/uploads\/GELATIN.jpg?resize=1536%2C510&amp;ssl=1 1536w, https:\/\/i0.wp.com\/rheolution.com\/wp-content\/uploads\/GELATIN.jpg?resize=2048%2C679&amp;ssl=1 2048w, https:\/\/i0.wp.com\/rheolution.com\/wp-content\/uploads\/GELATIN.jpg?resize=150%2C50&amp;ssl=1 150w, https:\/\/i0.wp.com\/rheolution.com\/wp-content\/uploads\/GELATIN.jpg?resize=700%2C232&amp;ssl=1 700w, https:\/\/i0.wp.com\/rheolution.com\/wp-content\/uploads\/GELATIN.jpg?w=2440&amp;ssl=1 2440w, https:\/\/i0.wp.com\/rheolution.com\/wp-content\/uploads\/GELATIN.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\/pt\/notas-de-aplicacao\/hidrogel-de-gelatina\/\" target=\"_blank\">\n\t\t\t\t\t\t\t\t\t<span class=\"elementor-screen-only\">Hidrog\u00e9is de gelatina<\/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\/pt\/notas-de-aplicacao\/hidrogel-de-gelatina\/\" target=\"_blank\">\n\t\t\t\tHidrog\u00e9is de gelatina\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\">Os hidrog\u00e9is de gelatina s\u00e3o redes polim\u00e9ricas tridimensionais, hidratadas, derivadas da gelatina, um polipept\u00eddeo natural obtido por hidr\u00f3lise parcial do col\u00e1geno. O col\u00e1geno \u00e9 uma das prote\u00ednas estruturais mais abundantes na matriz extracelular dos tecidos de mam\u00edferos, e sua desnatura\u00e7\u00e3o produz gelatina com uma estrutura molecular linear rica em sequ\u00eancias de amino\u00e1cidos do tipo Gly\u2013X\u2013Y, principalmente glicina, prolina e hidroxiprolina.<\/p><div class=\"premium-blog-excerpt-link-wrap\"><a href=\"https:\/\/rheolution.com\/pt\/notas-de-aplicacao\/hidrogel-de-gelatina\/\" target=\"_blank\" class=\"premium-blog-excerpt-link elementor-button\">Leia mais \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=\"Pagina\u00e7\u00e3o\">\n\t\t\t\t<span aria-current=\"page\" class=\"page-numbers current\">1<\/span>\n<a class=\"page-numbers\" href=\"https:\/\/rheolution.com\/pt\/wp-json\/wp\/v2\/posts\/64713\/page\/2\/\">2<\/a>\n<a class=\"page-numbers\" href=\"https:\/\/rheolution.com\/pt\/wp-json\/wp\/v2\/posts\/64713\/page\/3\/\">3<\/a>\n<a class=\"next page-numbers\" href=\"https:\/\/rheolution.com\/pt\/wp-json\/wp\/v2\/posts\/64713\/page\/2\/\">Pr\u00f3ximo \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>Os poliuretanos (PUs) s\u00e3o uma fam\u00edlia vers\u00e1til de pol\u00edmeros sint\u00e9ticos caracterizada pela presen\u00e7a de liga\u00e7\u00f5es de ureano (carbamato) em sua estrutura principal. Eles s\u00e3o sintetizados industrialmente por meio de rea\u00e7\u00f5es de polimeriza\u00e7\u00e3o por crescimento escalonado entre diisocianatos e poli\u00f3is, seguidas pela extens\u00e3o da cadeia utilizando di\u00f3is ou diaminas de baixo peso molecular. A arquitetura macromolecular resultante \u00e9 tipicamente segmentada, consistindo em segmentos macios (derivados de poli\u00f3is de poli\u00e9ter, poli\u00e9ster ou policarbonato) e segmentos r\u00edgidos (formados a partir de diisocianatos e extensores de cadeia).  <\/p>\n","protected":false},"author":195401359,"featured_media":64714,"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_feature_clip_id":0,"_jetpack_memberships_contains_paid_content":false,"footnotes":"","jetpack_post_was_ever_published":false},"categories":[286,332],"tags":[89,124,88,261],"class_list":["post-64713","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-notas-de-aplicacao","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 v28.3 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Pol\u00edmeros de Poliuretano (PU): Propriedades, Aplica\u00e7\u00f5es e Mec\u00e2nica<\/title>\n<meta name=\"description\" content=\"Um guia abrangente sobre pol\u00edmeros de poliuretano (PU), abordando estrutura, comportamento mec\u00e2nico, viscoelasticidade e aplica\u00e7\u00f5es biom\u00e9dicas.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/rheolution.com\/pt\/notas-de-aplicacao\/polimeros-de-poliuretano\/\" \/>\n<meta property=\"og:locale\" content=\"pt_BR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Pol\u00edmeros de Poliuretano (PU): Propriedades, Aplica\u00e7\u00f5es e Mec\u00e2nica\" \/>\n<meta property=\"og:description\" content=\"Um guia abrangente sobre pol\u00edmeros de poliuretano (PU), abordando estrutura, comportamento mec\u00e2nico, viscoelasticidade e aplica\u00e7\u00f5es biom\u00e9dicas.\" \/>\n<meta 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