{"id":44401,"date":"2024-07-22T08:45:59","date_gmt":"2024-07-22T06:45:59","guid":{"rendered":"https:\/\/www.linseis.com\/sin-categorizar\/medicion-de-la-estabilidad-termica\/"},"modified":"2024-08-28T07:32:35","modified_gmt":"2024-08-28T05:32:35","slug":"medicion-de-la-estabilidad-termica","status":"publish","type":"post","link":"https:\/\/www.linseis.com\/es\/wiki-es\/medicion-de-la-estabilidad-termica\/","title":{"rendered":"Medici\u00f3n de la estabilidad t\u00e9rmica"},"content":{"rendered":"\t\t<div data-elementor-type=\"wp-post\" data-elementor-id=\"44401\" class=\"elementor elementor-44401 elementor-24368\" data-elementor-post-type=\"post\">\n\t\t\t\t<div class=\"elementor-element elementor-element-9eb8745 e-flex e-con-boxed e-con e-parent\" data-id=\"9eb8745\" 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-27e7523 elementor-toc--minimized-on-tablet elementor-widget elementor-widget-table-of-contents\" data-id=\"27e7523\" data-element_type=\"widget\" data-e-type=\"widget\" data-settings=\"{&quot;headings_by_tags&quot;:[&quot;h2&quot;],&quot;exclude_headings_by_selector&quot;:[],&quot;marker_view&quot;:&quot;numbers&quot;,&quot;no_headings_message&quot;:&quot;No se ha encontrado ning\\u00fan encabezado en esta p\\u00e1gina.&quot;,&quot;minimize_box&quot;:&quot;yes&quot;,&quot;minimized_on&quot;:&quot;tablet&quot;,&quot;hierarchical_view&quot;:&quot;yes&quot;,&quot;min_height&quot;:{&quot;unit&quot;:&quot;px&quot;,&quot;size&quot;:&quot;&quot;,&quot;sizes&quot;:[]},&quot;min_height_tablet&quot;:{&quot;unit&quot;:&quot;px&quot;,&quot;size&quot;:&quot;&quot;,&quot;sizes&quot;:[]},&quot;min_height_mobile&quot;:{&quot;unit&quot;:&quot;px&quot;,&quot;size&quot;:&quot;&quot;,&quot;sizes&quot;:[]}}\" data-widget_type=\"table-of-contents.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<div class=\"elementor-toc__header\">\n\t\t\t\t\t\t<h4 class=\"elementor-toc__header-title\">\n\t\t\t\t\u00cdndice\t\t\t<\/h4>\n\t\t\t\t\t\t\t\t\t\t<div class=\"elementor-toc__toggle-button elementor-toc__toggle-button--expand\" role=\"button\" tabindex=\"0\" aria-controls=\"elementor-toc__27e7523\" aria-expanded=\"true\" aria-label=\"Abrir la tabla de contenidos\"><svg aria-hidden=\"true\" class=\"e-font-icon-svg e-fas-chevron-down\" viewBox=\"0 0 448 512\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"><path d=\"M207.029 381.476L12.686 187.132c-9.373-9.373-9.373-24.569 0-33.941l22.667-22.667c9.357-9.357 24.522-9.375 33.901-.04L224 284.505l154.745-154.021c9.379-9.335 24.544-9.317 33.901.04l22.667 22.667c9.373 9.373 9.373 24.569 0 33.941L240.971 381.476c-9.373 9.372-24.569 9.372-33.942 0z\"><\/path><\/svg><\/div>\n\t\t\t\t<div class=\"elementor-toc__toggle-button elementor-toc__toggle-button--collapse\" role=\"button\" tabindex=\"0\" aria-controls=\"elementor-toc__27e7523\" aria-expanded=\"true\" aria-label=\"Cerrar la tabla de contenidos\"><svg aria-hidden=\"true\" class=\"e-font-icon-svg e-fas-chevron-up\" viewBox=\"0 0 448 512\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"><path d=\"M240.971 130.524l194.343 194.343c9.373 9.373 9.373 24.569 0 33.941l-22.667 22.667c-9.357 9.357-24.522 9.375-33.901.04L224 227.495 69.255 381.516c-9.379 9.335-24.544 9.317-33.901-.04l-22.667-22.667c-9.373-9.373-9.373-24.569 0-33.941L207.03 130.525c9.372-9.373 24.568-9.373 33.941-.001z\"><\/path><\/svg><\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<div id=\"elementor-toc__27e7523\" class=\"elementor-toc__body\">\n\t\t\t<div class=\"elementor-toc__spinner-container\">\n\t\t\t\t<svg class=\"elementor-toc__spinner eicon-animation-spin e-font-icon-svg e-eicon-loading\" aria-hidden=\"true\" viewBox=\"0 0 1000 1000\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"><path d=\"M500 975V858C696 858 858 696 858 500S696 142 500 142 142 304 142 500H25C25 237 238 25 500 25S975 237 975 500 763 975 500 975Z\"><\/path><\/svg>\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-8a9139e elementor-widget elementor-widget-heading\" data-id=\"8a9139e\" 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\">\u00bfQu\u00e9 es la estabilidad t\u00e9rmica?<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-ffaef65 elementor-widget elementor-widget-text-editor\" data-id=\"ffaef65\" 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>Un pl\u00e1stico es <strong>termoestable<\/strong> si no se descompone bajo la influencia de la temperatura.\nLo contrario de la termoestabilidad es la termolabilidad. <\/p>\n<p>Cuando las sustancias org\u00e1nicas o los pl\u00e1sticos se exponen al calor, la luz y, sobre todo, al ox\u00edgeno atmosf\u00e9rico durante un periodo de tiempo prolongado, se produce el llamado <strong>proceso<\/strong> <strong>de envejecimiento<\/strong>.\nAdem\u00e1s de las propiedades qu\u00edmicas, este proceso tambi\u00e9n afecta a las propiedades f\u00edsicas de un material.\nEsto se nota de la siguiente manera: Por un lado, se trata de una oxidaci\u00f3n lenta de los componentes individuales y, por otro, algunas mol\u00e9culas no son estables a largo plazo y se desintegran tras un periodo de tiempo desconocido.  <\/p>\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-eac9a92 elementor-widget__width-initial elementor-widget elementor-widget-image\" data-id=\"eac9a92\" 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=\"800\" height=\"450\" src=\"https:\/\/www.linseis.com\/wp-content\/uploads\/2024\/07\/Thermische-Stabilitaet-Infografik-1024x576.png\" class=\"attachment-large size-large wp-image-14679\" alt=\"\" srcset=\"https:\/\/www.linseis.com\/wp-content\/uploads\/2024\/07\/Thermische-Stabilitaet-Infografik-1024x576.png 1024w, https:\/\/www.linseis.com\/wp-content\/uploads\/2024\/07\/Thermische-Stabilitaet-Infografik-300x169.png 300w, https:\/\/www.linseis.com\/wp-content\/uploads\/2024\/07\/Thermische-Stabilitaet-Infografik-768x432.png 768w, https:\/\/www.linseis.com\/wp-content\/uploads\/2024\/07\/Thermische-Stabilitaet-Infografik-1536x864.png 1536w, https:\/\/www.linseis.com\/wp-content\/uploads\/2024\/07\/Thermische-Stabilitaet-Infografik.png 1920w\" sizes=\"(max-width: 800px) 100vw, 800px\" \/>\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 class=\"elementor-element elementor-element-0f74b29 elementor-widget elementor-widget-heading\" data-id=\"0f74b29\" 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\">Analizar la estabilidad t\u00e9rmica con la prueba OIT<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-33229bc elementor-widget elementor-widget-text-editor\" data-id=\"33229bc\" 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>Para investigar la estabilidad t\u00e9rmica de dichos compuestos, se suele utilizar la <strong>\u00ab<a href=\"https:\/\/www.linseis.com\/en\/wiki\/oxidation\/\">prueba OIT<\/a>\u00ab<\/strong>, donde OIT significa <strong>\u00abTiempo de Inducci\u00f3n a la Oxidaci\u00f3n\u00bb.<\/strong><br \/>\nEn esta prueba, la muestra a examinar se lleva a una temperatura inferior al punto de fusi\u00f3n en una atm\u00f3sfera inerte. <\/p>\n<p>A continuaci\u00f3n, se cambia la atm\u00f3sfera a ox\u00edgeno o aire y se mide la se\u00f1al calorim\u00e9trica.<br \/>\nAl cabo de un rato, se producir\u00e1 la oxidaci\u00f3n, que normalmente se manifiesta como una reacci\u00f3n exot\u00e9rmica y la temperatura de la muestra aumentar\u00e1 ligeramente. <\/p>\n<p>El tiempo de reacci\u00f3n correspondiente puede leerse a partir de este peque\u00f1o aumento y esto da el tiempo de OIT.<br \/>\nTambi\u00e9n se puede hacer una afirmaci\u00f3n sobre la velocidad de reacci\u00f3n y la velocidad de descomposici\u00f3n de la oxidaci\u00f3n incipiente utilizando el DSC si se eval\u00faan los datos con el software asociado. <\/p>\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-9886ca6 elementor-widget elementor-widget-heading\" data-id=\"9886ca6\" 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\">\u00bfQu\u00e9 norma se aplica a la medici\u00f3n de la termoestabilidad?<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-ca73f52 elementor-widget elementor-widget-text-editor\" data-id=\"ca73f52\" 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<ul>\n<li><a href=\"https:\/\/www.astm.org\/e2550-21.html\" target=\"_blank\" rel=\"noopener\"><strong>Norma ASTM E2550 &#8211; 17 (M\u00e9todo de prueba est\u00e1ndar para la estabilidad t\u00e9rmica por termogravimetr\u00eda)<\/strong><\/a><\/li>\n<\/ul>\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-7e598f0 elementor-widget elementor-widget-spacer\" data-id=\"7e598f0\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"spacer.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<div class=\"elementor-spacer\">\n\t\t\t<div class=\"elementor-spacer-inner\"><\/div>\n\t\t<\/div>\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>Un pl\u00e1stico es termoestable si no se descompone bajo la influencia de la temperatura.<br \/>\nLo contrario de la termoestabilidad es la termolabilidad. <\/p>\n","protected":false},"author":3,"featured_media":14665,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"inline_featured_image":false,"footnotes":""},"categories":[364],"tags":[],"class_list":["post-44401","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-wiki-es"],"acf":[],"_links":{"self":[{"href":"https:\/\/www.linseis.com\/es\/wp-json\/wp\/v2\/posts\/44401","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.linseis.com\/es\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.linseis.com\/es\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.linseis.com\/es\/wp-json\/wp\/v2\/users\/3"}],"replies":[{"embeddable":true,"href":"https:\/\/www.linseis.com\/es\/wp-json\/wp\/v2\/comments?post=44401"}],"version-history":[{"count":0,"href":"https:\/\/www.linseis.com\/es\/wp-json\/wp\/v2\/posts\/44401\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.linseis.com\/es\/wp-json\/wp\/v2\/media\/14665"}],"wp:attachment":[{"href":"https:\/\/www.linseis.com\/es\/wp-json\/wp\/v2\/media?parent=44401"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.linseis.com\/es\/wp-json\/wp\/v2\/categories?post=44401"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.linseis.com\/es\/wp-json\/wp\/v2\/tags?post=44401"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}