{"id":100162,"date":"2024-07-17T07:43:15","date_gmt":"2024-07-17T05:43:15","guid":{"rendered":"https:\/\/www.linseis.com\/non-categorizzato\/polietilene-tereftalato-pet-unindagine-approfondita\/"},"modified":"2026-01-13T08:33:02","modified_gmt":"2026-01-13T07:33:02","slug":"polietilene-tereftalato-pet-unindagine-approfondita","status":"publish","type":"post","link":"https:\/\/www.linseis.com\/it\/conoscenza\/polietilene-tereftalato-pet-unindagine-approfondita\/","title":{"rendered":"Polietilene tereftalato (PET): un&#8217;indagine approfondita"},"content":{"rendered":"\t\t<div data-elementor-type=\"wp-post\" data-elementor-id=\"100162\" class=\"elementor elementor-100162 elementor-8388\" 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-030ae6e elementor-toc--minimized-on-tablet elementor-invisible elementor-widget elementor-widget-table-of-contents\" data-id=\"030ae6e\" 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;_animation&quot;:&quot;fadeInUp&quot;,&quot;no_headings_message&quot;:&quot;No headings were found on this page.&quot;,&quot;marker_view&quot;:&quot;numbers&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\tIndice dei contenuti\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__030ae6e\" aria-expanded=\"true\" aria-label=\"Apri l&#039;indice dei contenuti\"><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__030ae6e\" aria-expanded=\"true\" aria-label=\"Chiudi l&#039;indice dei contenuti\"><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__030ae6e\" 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-invisible elementor-widget elementor-widget-heading\" data-id=\"8a9139e\" data-element_type=\"widget\" data-e-type=\"widget\" data-settings=\"{&quot;_animation&quot;:&quot;fadeInUp&quot;}\" 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\">Cristallinit\u00e0 del PET<\/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-invisible elementor-widget elementor-widget-text-editor\" data-id=\"ffaef65\" data-element_type=\"widget\" data-e-type=\"widget\" data-settings=\"{&quot;_animation&quot;:&quot;fadeInUp&quot;}\" 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>Il <strong>polietilene tereftalato<\/strong>, comunemente chiamato <strong>PET<\/strong>, occupa un posto importante in numerose produzioni industriali e commerciali.<\/p><p>Questa termoplastica si rivela con una cristallinit\u00e0 variabile <a href=\"https:\/\/www.linseis.com\/it\/?p=100032\">\n  <strong>cristallinit\u00e0<\/strong>\n<\/a>che determina in larga misura le sue propriet\u00e0 caratteristiche. Questa plastica poliedrica pu\u00f2 passare da una forma stabile e solida a una natura elastica e flessibile. <\/p><p>La flessibilit\u00e0 delle propriet\u00e0 strutturali del <strong>PET<\/strong> ne consente l&#8217;utilizzo in un&#8217;ampia gamma di categorie di prodotti. La sua applicazione nella produzione di bottiglie per bevande, che sfruttano la resistenza intrinseca e la natura traslucida del materiale, \u00e8 eccezionale. <\/p><p>L&#8217;elevata percentuale di strutture cristalline nel <strong>PET<\/strong> conferisce a queste bottiglie la robustezza necessaria per conservare in sicurezza i liquidi, mentre il materiale rimane leggero e facile da maneggiare nell&#8217;uso quotidiano. Queste propriet\u00e0 sono fondamentali per una soluzione di imballaggio sostenibile che soddisfi i requisiti di integrit\u00e0 del prodotto e di convenienza per il consumatore. <\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-cb5c309 e-con-full e-flex e-con e-child\" data-id=\"cb5c309\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t<div class=\"elementor-element elementor-element-8f88511 e-con-full e-flex e-con e-child\" data-id=\"8f88511\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-96556fa elementor-invisible elementor-widget elementor-widget-image\" data-id=\"96556fa\" data-element_type=\"widget\" data-e-type=\"widget\" data-settings=\"{&quot;_animation&quot;:&quot;fadeInUp&quot;}\" 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\/11-1024x576.png\" class=\"attachment-large size-large wp-image-34023\" alt=\"\" srcset=\"https:\/\/www.linseis.com\/wp-content\/uploads\/2024\/07\/11-1024x576.png 1024w, https:\/\/www.linseis.com\/wp-content\/uploads\/2024\/07\/11-300x169.png 300w, https:\/\/www.linseis.com\/wp-content\/uploads\/2024\/07\/11-768x432.png 768w, https:\/\/www.linseis.com\/wp-content\/uploads\/2024\/07\/11.png 1140w\" 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>\n\t\t<div class=\"elementor-element elementor-element-97f0f26 e-con-full e-flex e-con e-child\" data-id=\"97f0f26\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-54dd63e elementor-invisible elementor-widget elementor-widget-image\" data-id=\"54dd63e\" data-element_type=\"widget\" data-e-type=\"widget\" data-settings=\"{&quot;_animation&quot;:&quot;fadeInUp&quot;}\" 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 decoding=\"async\" width=\"800\" height=\"450\" src=\"https:\/\/www.linseis.com\/wp-content\/uploads\/2024\/07\/10-1024x576.png\" class=\"attachment-large size-large wp-image-34832\" alt=\"\" srcset=\"https:\/\/www.linseis.com\/wp-content\/uploads\/2024\/07\/10-1024x576.png 1024w, https:\/\/www.linseis.com\/wp-content\/uploads\/2024\/07\/10-300x169.png 300w, https:\/\/www.linseis.com\/wp-content\/uploads\/2024\/07\/10-768x432.png 768w, https:\/\/www.linseis.com\/wp-content\/uploads\/2024\/07\/10.png 1140w\" 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>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-9bfc116 elementor-invisible elementor-widget elementor-widget-heading\" data-id=\"9bfc116\" data-element_type=\"widget\" data-e-type=\"widget\" data-settings=\"{&quot;_animation&quot;:&quot;fadeInUp&quot;}\" 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\">Entalpia di fusione del PET<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-f3a894e elementor-invisible elementor-widget elementor-widget-text-editor\" data-id=\"f3a894e\" data-element_type=\"widget\" data-e-type=\"widget\" data-settings=\"{&quot;_animation&quot;:&quot;fadeInUp&quot;}\" 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>Il <a href=\"https:\/\/www.linseis.com\/it\/?p=100057\">\n  <strong>punto di fusione<\/strong>\n<\/a> del <strong>PET<\/strong> \u00e8 generalmente compreso tra 250\u00b0C e 260\u00b0C. Viene utilizzato, ad esempio, nella produzione di fibre tessili. <\/p><p>I tessuti in <strong>PET<\/strong> sono particolarmente apprezzati per il loro peso ridotto e l&#8217;elevata resistenza agli strappi. La struttura fine e la durata del <strong>PET<\/strong> contribuiscono a produrre indumenti traspiranti e di lunga durata. <\/p><p>Per determinare il <strong>punto di fusione<\/strong>, di solito si utilizza una <a href=\"https:\/\/www.linseis.com\/methoden\/dynamische-differenz-kalorimetrie\/\"><strong>dinamico<\/strong> <strong>calorimetro differenziale<\/strong><\/a>noto come <strong>DSC<\/strong>.<\/p><p>Per quantificare con precisione la <strong>cristallinit\u00e0<\/strong> e l? <a href=\"https:\/\/www.linseis.com\/messgroessen\/enthalpie\/\">\n  <strong>entalpia di fusione<\/strong>\n<\/a> tuttavia, viene utilizzato il <strong>chip DSC<\/strong> specializzato e brevettato.<\/p><p>A temperature prossime al loro <strong>punto di fusione<\/strong>, pari a circa 255\u00b0C, i <strong>pellet di PET<\/strong> vengono estrusi in fibre, che vengono poi filate in filati. Vale la pena notare che, sebbene sia i pellet che le fibre risultanti abbiano lo stesso <strong>punto di fusione<\/strong>, le fibre tessili acquisiscono le loro propriet\u00e0 uniche attraverso il processo di estrusione e filatura. <\/p><p>Dopo il processo di filatura, queste fibre raggiungono un elevato grado di tenacit\u00e0 e resistenza. Ci\u00f2 consente di produrre tessuti resistenti ma leggeri, come l&#8217;abbigliamento sportivo, che \u00e8 traspirante e resistente alle sollecitazioni dell&#8217;attivit\u00e0 fisica intensa. <\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-1e7d97c e-con-full e-flex e-con e-child\" data-id=\"1e7d97c\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t<div class=\"elementor-element elementor-element-e53ff6a e-con-full e-flex e-con e-child\" data-id=\"e53ff6a\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-3c88d58 elementor-invisible elementor-widget elementor-widget-image\" data-id=\"3c88d58\" data-element_type=\"widget\" data-e-type=\"widget\" data-settings=\"{&quot;_animation&quot;:&quot;fadeInUp&quot;}\" 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 decoding=\"async\" width=\"800\" height=\"450\" src=\"https:\/\/www.linseis.com\/wp-content\/uploads\/2024\/07\/12-1024x576.png\" class=\"attachment-large size-large wp-image-34035\" alt=\"\" srcset=\"https:\/\/www.linseis.com\/wp-content\/uploads\/2024\/07\/12-1024x576.png 1024w, https:\/\/www.linseis.com\/wp-content\/uploads\/2024\/07\/12-300x169.png 300w, https:\/\/www.linseis.com\/wp-content\/uploads\/2024\/07\/12-768x432.png 768w, https:\/\/www.linseis.com\/wp-content\/uploads\/2024\/07\/12.png 1140w\" 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>\n\t\t<div class=\"elementor-element elementor-element-5871a10 e-con-full e-flex e-con e-child\" data-id=\"5871a10\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-17612ce elementor-invisible elementor-widget elementor-widget-image\" data-id=\"17612ce\" data-element_type=\"widget\" data-e-type=\"widget\" data-settings=\"{&quot;_animation&quot;:&quot;fadeInUp&quot;}\" 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 loading=\"lazy\" decoding=\"async\" width=\"800\" height=\"450\" src=\"https:\/\/www.linseis.com\/wp-content\/uploads\/2024\/07\/13-1024x576.png\" class=\"attachment-large size-large wp-image-34836\" alt=\"\" srcset=\"https:\/\/www.linseis.com\/wp-content\/uploads\/2024\/07\/13-1024x576.png 1024w, https:\/\/www.linseis.com\/wp-content\/uploads\/2024\/07\/13-300x169.png 300w, https:\/\/www.linseis.com\/wp-content\/uploads\/2024\/07\/13-768x432.png 768w, https:\/\/www.linseis.com\/wp-content\/uploads\/2024\/07\/13.png 1140w\" 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>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-227b6c4 elementor-invisible elementor-widget elementor-widget-heading\" data-id=\"227b6c4\" data-element_type=\"widget\" data-e-type=\"widget\" data-settings=\"{&quot;_animation&quot;:&quot;fadeInUp&quot;}\" 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\">Diversit\u00e0 e coerenza del PET<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-3112811 elementor-invisible elementor-widget elementor-widget-text-editor\" data-id=\"3112811\" data-element_type=\"widget\" data-e-type=\"widget\" data-settings=\"{&quot;_animation&quot;:&quot;fadeInUp&quot;}\" 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>Il <strong>PET<\/strong> ottiene un punteggio elevato grazie alla sua diversit\u00e0 e alla sua durata. Le propriet\u00e0 meccaniche e ottiche del prodotto finale possono essere ottimizzate regolando con precisione i parametri di lavorazione. <\/p><p>La sua versatilit\u00e0 consente di realizzare prodotti diversi, da strutture robuste a strutture flessibili.<br>Un esempio \u00e8 rappresentato dalle <strong>pellicole in PET<\/strong>: queste sono resistenti alle sollecitazioni fisiche e alle varie influenze ambientali, motivo per cui vengono spesso utilizzate negli imballaggi o come protezioni per gli schermi.<\/p><p>La loro resilienza e durata le rendono una soluzione economica e di alta qualit\u00e0.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-f5b9810 e-con-full e-flex e-con e-child\" data-id=\"f5b9810\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t<div class=\"elementor-element elementor-element-9d4761a e-con-full e-flex e-con e-child\" data-id=\"9d4761a\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-cd7a0d4 elementor-invisible elementor-widget elementor-widget-image\" data-id=\"cd7a0d4\" data-element_type=\"widget\" data-e-type=\"widget\" data-settings=\"{&quot;_animation&quot;:&quot;fadeInUp&quot;}\" 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 loading=\"lazy\" decoding=\"async\" width=\"800\" height=\"450\" src=\"https:\/\/www.linseis.com\/wp-content\/uploads\/2024\/07\/9-1024x576.png\" class=\"attachment-large size-large wp-image-34039\" alt=\"\" srcset=\"https:\/\/www.linseis.com\/wp-content\/uploads\/2024\/07\/9-1024x576.png 1024w, https:\/\/www.linseis.com\/wp-content\/uploads\/2024\/07\/9-300x169.png 300w, https:\/\/www.linseis.com\/wp-content\/uploads\/2024\/07\/9-768x432.png 768w, https:\/\/www.linseis.com\/wp-content\/uploads\/2024\/07\/9.png 1140w\" 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>\n\t\t<div class=\"elementor-element elementor-element-f891ff5 e-con-full e-flex e-con e-child\" data-id=\"f891ff5\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-8d95817 elementor-invisible elementor-widget elementor-widget-image\" data-id=\"8d95817\" data-element_type=\"widget\" data-e-type=\"widget\" data-settings=\"{&quot;_animation&quot;:&quot;fadeInUp&quot;}\" 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 loading=\"lazy\" decoding=\"async\" width=\"800\" height=\"450\" src=\"https:\/\/www.linseis.com\/wp-content\/uploads\/2024\/07\/14-1024x576.png\" class=\"attachment-large size-large wp-image-34840\" alt=\"\" srcset=\"https:\/\/www.linseis.com\/wp-content\/uploads\/2024\/07\/14-1024x576.png 1024w, https:\/\/www.linseis.com\/wp-content\/uploads\/2024\/07\/14-300x169.png 300w, https:\/\/www.linseis.com\/wp-content\/uploads\/2024\/07\/14-768x432.png 768w, https:\/\/www.linseis.com\/wp-content\/uploads\/2024\/07\/14.png 1140w\" 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>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-c85ce21 elementor-invisible elementor-widget elementor-widget-heading\" data-id=\"c85ce21\" data-element_type=\"widget\" data-e-type=\"widget\" data-settings=\"{&quot;_animation&quot;:&quot;fadeInUp&quot;}\" 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\">Stabilit\u00e0 termica e temperatura di transizione vetrosa del PET<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-224c225 elementor-invisible elementor-widget elementor-widget-text-editor\" data-id=\"224c225\" data-element_type=\"widget\" data-e-type=\"widget\" data-settings=\"{&quot;_animation&quot;:&quot;fadeInUp&quot;}\" 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>Il <a href=\"https:\/\/www.linseis.com\/it\/?p=100063\"><strong>stabilit\u00e0 termica<\/strong> <strong>stabilit\u00e0 termica<\/strong><\/a> del <strong>PET<\/strong> consente di utilizzarlo in numerosi prodotti. Le <strong>pellicole in PET<\/strong>, ad esempio, mantengono la loro forma e trasparenza a diverse temperature. Questo lo rende una scelta ideale per gli imballaggi, soprattutto quelli alimentari. <\/p><p>Grazie a questa resistenza alle temperature, le <strong>pellicole in PET<\/strong> possono essere utilizzate sia in armadi frigoriferi che in ambienti caldi senza perdere lucidit\u00e0 o restringersi. Inoltre, si caratterizzano per la loro resistenza chimica, in modo da non reagire con gli alimenti confezionati e da non causare cambiamenti indesiderati nel gusto o nell&#8217;odore. <\/p><p>Grazie alla loro <strong>stabilit\u00e0<\/strong> <strong>termica<\/strong>, le <strong>pellicole in PET<\/strong> sono utilizzate anche in applicazioni tecniche. Ad esempio, nell&#8217;industria elettronica, dove vengono utilizzati come materiali isolanti o come substrati per circuiti flessibili. La loro capacit\u00e0 di resistere alle alte temperature senza deformarsi li rende particolarmente preziosi per queste applicazioni critiche.  <\/p><p>Nell&#8217;industria automobilistica, le <strong>pellicole in PET<\/strong> sono utilizzate come pellicole per vetri grazie alle loro eccellenti propriet\u00e0 termiche e alla resistenza ai raggi UV. Proteggono gli occupanti dai dannosi raggi UV e allo stesso tempo riducono la temperatura interna, il che a sua volta riduce la necessit\u00e0 di aria condizionata e quindi ottimizza il consumo di carburante. <\/p><p>Infine, le <strong>pellicole in PET<\/strong> sono molto richieste anche nella tecnologia solare. In questo caso, vengono utilizzate come pellicole protettive e di copertura per i moduli fotovoltaici, proteggendo le celle solari dalle intemperie e permettendo alla luce solare di passare in modo efficiente. <\/p><p>La <strong>temperatura di transizione vetrosa<\/strong> del <strong>PET<\/strong> \u00e8 solitamente compresa tra 70\u00b0C e 80\u00b0C, il che significa che rimane stabile in un ampio intervallo di temperature.<\/p><p>Un buon esempio sono le <strong>pellicole da imballaggio in PET<\/strong>, che possono resistere alle differenze di temperatura senza diventare fragili o perdere la loro morbidezza. <strong>Il Chip DSC<\/strong> permette anche di determinare con precisione la temperatura in cui avviene la transizione vetrosa. <\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-716d24e e-con-full e-flex e-con e-child\" data-id=\"716d24e\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t<div class=\"elementor-element elementor-element-a9d25b9 e-con-full e-flex e-con e-child\" data-id=\"a9d25b9\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-db4dbc0 elementor-invisible elementor-widget elementor-widget-image\" data-id=\"db4dbc0\" data-element_type=\"widget\" data-e-type=\"widget\" data-settings=\"{&quot;_animation&quot;:&quot;fadeInUp&quot;}\" 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 loading=\"lazy\" decoding=\"async\" width=\"800\" height=\"450\" src=\"https:\/\/www.linseis.com\/wp-content\/uploads\/2024\/07\/17-1024x576.png\" class=\"attachment-large size-large wp-image-34043\" alt=\"\" srcset=\"https:\/\/www.linseis.com\/wp-content\/uploads\/2024\/07\/17-1024x576.png 1024w, https:\/\/www.linseis.com\/wp-content\/uploads\/2024\/07\/17-300x169.png 300w, https:\/\/www.linseis.com\/wp-content\/uploads\/2024\/07\/17-768x432.png 768w, https:\/\/www.linseis.com\/wp-content\/uploads\/2024\/07\/17.png 1140w\" 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>\n\t\t<div class=\"elementor-element elementor-element-a0d70da e-con-full e-flex e-con e-child\" data-id=\"a0d70da\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-62a8403 elementor-invisible elementor-widget elementor-widget-image\" data-id=\"62a8403\" data-element_type=\"widget\" data-e-type=\"widget\" data-settings=\"{&quot;_animation&quot;:&quot;fadeInUp&quot;}\" 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 loading=\"lazy\" decoding=\"async\" width=\"800\" height=\"450\" src=\"https:\/\/www.linseis.com\/wp-content\/uploads\/2024\/07\/15-1024x576.png\" class=\"attachment-large size-large wp-image-34844\" alt=\"\" srcset=\"https:\/\/www.linseis.com\/wp-content\/uploads\/2024\/07\/15-1024x576.png 1024w, https:\/\/www.linseis.com\/wp-content\/uploads\/2024\/07\/15-300x169.png 300w, https:\/\/www.linseis.com\/wp-content\/uploads\/2024\/07\/15-768x432.png 768w, https:\/\/www.linseis.com\/wp-content\/uploads\/2024\/07\/15.png 1140w\" 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>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-e315f33 elementor-invisible elementor-widget elementor-widget-heading\" data-id=\"e315f33\" data-element_type=\"widget\" data-e-type=\"widget\" data-settings=\"{&quot;_animation&quot;:&quot;fadeInUp&quot;}\" 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\">Diversi tipi di PET<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-26b9ead elementor-widget__width-initial elementor-invisible elementor-widget elementor-widget-text-editor\" data-id=\"26b9ead\" data-element_type=\"widget\" data-e-type=\"widget\" data-settings=\"{&quot;_animation&quot;:&quot;fadeInUp&quot;}\" 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>Per quanto riguarda i diversi tipi di <strong>PET<\/strong>, le differenze di <strong>cristallinit\u00e0<\/strong> e di additivi portano a prodotti con propriet\u00e0 fisiche diverse.<\/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-6d2a6b0 elementor-widget__width-initial elementor-invisible elementor-widget elementor-widget-text-editor\" data-id=\"6d2a6b0\" data-element_type=\"widget\" data-e-type=\"widget\" data-settings=\"{&quot;_animation&quot;:&quot;fadeInUp&quot;}\" 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=\"text-decoration: underline;\">Ad esempio:<\/span><\/p><ul><li><strong>Bottiglie:<\/strong> spesso realizzate in PET cristallino, noto per la sua trasparenza e resistenza.<\/li><li><strong>Componenti elettronici:<\/strong> PET amorfo, che si distingue per la stabilit\u00e0 dimensionale e le propriet\u00e0 di isolamento elettrico.<\/li><li><strong>Abbigliamento sportivo:<\/strong> PET elastico, spesso utilizzato per capi di abbigliamento traspiranti e robusti.<\/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-9fbf0b6 elementor-invisible elementor-widget elementor-widget-heading\" data-id=\"9fbf0b6\" data-element_type=\"widget\" data-e-type=\"widget\" data-settings=\"{&quot;_animation&quot;:&quot;fadeInUp&quot;}\" 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\">Applicazione<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-408c60a elementor-widget__width-initial elementor-invisible elementor-widget elementor-widget-image\" data-id=\"408c60a\" data-element_type=\"widget\" data-e-type=\"widget\" data-settings=\"{&quot;_animation&quot;:&quot;fadeInUp&quot;}\" 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<figure class=\"wp-caption\">\n\t\t\t\t\t\t\t\t\t\t<img loading=\"lazy\" decoding=\"async\" width=\"800\" height=\"550\" src=\"https:\/\/www.linseis.com\/wp-content\/uploads\/2024\/07\/Chip-DSC-PET-Sample-2-1024x704.png\" class=\"attachment-large size-large wp-image-36644\" alt=\"\" srcset=\"https:\/\/www.linseis.com\/wp-content\/uploads\/2024\/07\/Chip-DSC-PET-Sample-2-1024x704.png 1024w, https:\/\/www.linseis.com\/wp-content\/uploads\/2024\/07\/Chip-DSC-PET-Sample-2-300x206.png 300w, https:\/\/www.linseis.com\/wp-content\/uploads\/2024\/07\/Chip-DSC-PET-Sample-2-768x528.png 768w, https:\/\/www.linseis.com\/wp-content\/uploads\/2024\/07\/Chip-DSC-PET-Sample-2-1536x1056.png 1536w, https:\/\/www.linseis.com\/wp-content\/uploads\/2024\/07\/Chip-DSC-PET-Sample-2-2048x1408.png 2048w\" sizes=\"(max-width: 800px) 100vw, 800px\" \/>\t\t\t\t\t\t\t\t\t\t\t<figcaption class=\"widget-image-caption wp-caption-text\">App. No. 02-011-002 Chip-DSC 10 - Polimeri - PET <\/figcaption>\n\t\t\t\t\t\t\t\t\t\t<\/figure>\n\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-af91780 elementor-invisible elementor-widget elementor-widget-text-editor\" data-id=\"af91780\" data-element_type=\"widget\" data-e-type=\"widget\" data-settings=\"{&quot;_animation&quot;:&quot;fadeInUp&quot;}\" 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>Ad esempio, un granulato <strong>di PET<\/strong> <strong>(polietilene tereftalato)<\/strong> \u00e8 stato riscaldato, raffreddato per congelare lo stato amorfo e poi analizzato con un <strong>chip DSC<\/strong> con una velocit\u00e0 di riscaldamento lineare di 50 K\/min.<\/p><p>La curva risultante mostra una significativa transizione vetrosa a circa 80 \u00b0C, seguita da una cristallizzazione a freddo delle parti amorfe a partire da circa 148 \u00b0C e da un picco di fusione a 230 \u00b0C.<br>Il <strong>grado di cristallinit\u00e0<\/strong> pu\u00f2 essere determinato dall&#8217;<strong>entalpia<\/strong> del picco di cristallizzazione a freddo rispetto all&#8217;entalpia del <strong>PET<\/strong> cristallino puro.<\/p><p>A seconda della storia termica del campione, il <strong>grado di cristallinit\u00e0<\/strong> cambia e pu\u00f2 quindi essere utilizzato come indicatore della storia e del comportamento meccanico del polimero.<\/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-d240cb5 elementor-invisible elementor-widget elementor-widget-heading\" data-id=\"d240cb5\" data-element_type=\"widget\" data-e-type=\"widget\" data-settings=\"{&quot;_animation&quot;:&quot;fadeInUp&quot;}\" 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\">Conclusione<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-27d0ae9 elementor-invisible elementor-widget elementor-widget-text-editor\" data-id=\"27d0ae9\" data-element_type=\"widget\" data-e-type=\"widget\" data-settings=\"{&quot;_animation&quot;:&quot;fadeInUp&quot;}\" 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>Nel complesso, il <strong>PET<\/strong> mostra una notevole diversit\u00e0 grazie alla sua <strong>cristallinit\u00e0<\/strong>, alla <strong>stabilit\u00e0<\/strong> <strong>termica<\/strong> e alle specifiche <strong>temperature<\/strong> <strong>di fusione e<\/strong> <strong>transizione vetrosa<\/strong>.<\/p><p>Si tratta di un elemento essenziale in molti settori e sar\u00e0 emozionante vedere le future innovazioni e applicazioni del <strong>PET<\/strong> nel mondo delle materie plastiche.<\/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-6336c86 elementor-widget elementor-widget-spacer\" data-id=\"6336c86\" 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<div class=\"elementor-element elementor-element-77223dd e-flex e-con-boxed e-con e-parent\" data-id=\"77223dd\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\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>Il polietilene tereftalato, comunemente chiamato PET, occupa un posto importante in numerose produzioni industriali e commerciali.<\/p>\n","protected":false},"author":3,"featured_media":33204,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"inline_featured_image":false,"footnotes":""},"categories":[538],"tags":[],"class_list":["post-100162","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-conoscenza"],"acf":[],"_links":{"self":[{"href":"https:\/\/www.linseis.com\/it\/wp-json\/wp\/v2\/posts\/100162","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.linseis.com\/it\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.linseis.com\/it\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.linseis.com\/it\/wp-json\/wp\/v2\/users\/3"}],"replies":[{"embeddable":true,"href":"https:\/\/www.linseis.com\/it\/wp-json\/wp\/v2\/comments?post=100162"}],"version-history":[{"count":0,"href":"https:\/\/www.linseis.com\/it\/wp-json\/wp\/v2\/posts\/100162\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.linseis.com\/it\/wp-json\/wp\/v2\/media\/33204"}],"wp:attachment":[{"href":"https:\/\/www.linseis.com\/it\/wp-json\/wp\/v2\/media?parent=100162"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.linseis.com\/it\/wp-json\/wp\/v2\/categories?post=100162"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.linseis.com\/it\/wp-json\/wp\/v2\/tags?post=100162"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}