{"id":14970,"date":"2025-08-04T07:19:38","date_gmt":"2025-08-04T07:19:38","guid":{"rendered":"https:\/\/hansaplas.com\/?p=14970"},"modified":"2025-08-04T07:35:47","modified_gmt":"2025-08-04T07:35:47","slug":"cose-il-ptfe-modificato","status":"publish","type":"post","link":"https:\/\/hansaplas.com\/it\/cose-il-ptfe-modificato\/","title":{"rendered":"Cos&#039;\u00e8 il PTFE modificato?"},"content":{"rendered":"<div id=\"ez-toc-container\" class=\"ez-toc-v2_0_81 counter-hierarchy ez-toc-counter ez-toc-grey ez-toc-container-direction\">\n<div class=\"ez-toc-title-container\">\n<p class=\"ez-toc-title\" style=\"cursor:inherit\">Table of Contents<\/p>\n<span class=\"ez-toc-title-toggle\"><a href=\"#\" class=\"ez-toc-pull-right ez-toc-btn ez-toc-btn-xs ez-toc-btn-default ez-toc-toggle\" aria-label=\"Toggle Table of Content\"><span class=\"ez-toc-js-icon-con\"><span class=\"\"><span class=\"eztoc-hide\" style=\"display:none;\">Toggle<\/span><span class=\"ez-toc-icon-toggle-span\"><svg style=\"fill: #999;color:#999\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" class=\"list-377408\" width=\"20px\" height=\"20px\" viewbox=\"0 0 24 24\" fill=\"none\"><path d=\"M6 6H4v2h2V6zm14 0H8v2h12V6zM4 11h2v2H4v-2zm16 0H8v2h12v-2zM4 16h2v2H4v-2zm16 0H8v2h12v-2z\" fill=\"currentColor\"><\/path><\/svg><svg style=\"fill: #999;color:#999\" class=\"arrow-unsorted-368013\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"10px\" height=\"10px\" viewbox=\"0 0 24 24\" version=\"1.2\" baseprofile=\"tiny\"><path d=\"M18.2 9.3l-6.2-6.3-6.2 6.3c-.2.2-.3.4-.3.7s.1.5.3.7c.2.2.4.3.7.3h11c.3 0 .5-.1.7-.3.2-.2.3-.5.3-.7s-.1-.5-.3-.7zM5.8 14.7l6.2 6.3 6.2-6.3c.2-.2.3-.5.3-.7s-.1-.5-.3-.7c-.2-.2-.4-.3-.7-.3h-11c-.3 0-.5.1-.7.3-.2.2-.3.5-.3.7s.1.5.3.7z\"\/><\/svg><\/span><\/span><\/span><\/a><\/span><\/div>\n<nav><ul class='ez-toc-list ez-toc-list-level-1' ><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-1\" href=\"https:\/\/hansaplas.com\/it\/cose-il-ptfe-modificato\/#Definition\" >Definizione<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-2\" href=\"https:\/\/hansaplas.com\/it\/cose-il-ptfe-modificato\/#Modification_Methods\" >Metodi di modifica<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-3\" href=\"https:\/\/hansaplas.com\/it\/cose-il-ptfe-modificato\/#Filler_Modification\" >Modifica del riempitivo<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-4\" href=\"https:\/\/hansaplas.com\/it\/cose-il-ptfe-modificato\/#Chemical_Treatment\" >Trattamento chimico<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-5\" href=\"https:\/\/hansaplas.com\/it\/cose-il-ptfe-modificato\/#Surface_Modification\" >Modifica della superficie<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-6\" href=\"https:\/\/hansaplas.com\/it\/cose-il-ptfe-modificato\/#Background\" >Sfondo<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-7\" href=\"https:\/\/hansaplas.com\/it\/cose-il-ptfe-modificato\/#Properties\" >Propriet\u00e0<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-8\" href=\"https:\/\/hansaplas.com\/it\/cose-il-ptfe-modificato\/#Performance_Comparison\" >Confronto delle prestazioni<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-9\" href=\"https:\/\/hansaplas.com\/it\/cose-il-ptfe-modificato\/#Chemical_Properties\" >Propriet\u00e0 chimiche<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-10\" href=\"https:\/\/hansaplas.com\/it\/cose-il-ptfe-modificato\/#Choosing_the_Right_Modification\" >Scegliere la modifica giusta<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-11\" href=\"https:\/\/hansaplas.com\/it\/cose-il-ptfe-modificato\/#Price\" >Prezzo<\/a><\/li><\/ul><\/nav><\/div>\n<h2><span class=\"ez-toc-section\" id=\"Definition\"><\/span><span style=\"font-weight: 400;\">Definizione<\/span><span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>&nbsp;<\/p>\n<p><span style=\"font-weight: 400;\">Il PTFE modificato (chiamato anche Teflon modificato) \u00e8 ottenuto dalla lavorazione del PTFE (politetrafluoroetilene) puro attraverso metodi speciali. Mantiene i vantaggi originali del PTFE, migliorandone al contempo le propriet\u00e0 specifiche per prestazioni migliori in determinati utilizzi.<\/span><\/p>\n<p>&nbsp;<\/p>\n<h2><span class=\"ez-toc-section\" id=\"Modification_Methods\"><\/span><span style=\"font-weight: 400;\">Metodi di modifica<\/span><span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>&nbsp;<\/p>\n<h3><span class=\"ez-toc-section\" id=\"Filler_Modification\"><\/span><span style=\"font-weight: 400;\">Modifica del riempitivo<\/span><span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>&nbsp;<\/p>\n<p><span style=\"font-weight: 400;\">Questo metodo prevede la miscelazione del PTFE con diversi filler per migliorarne determinate propriet\u00e0. I filler possono essere utilizzati da soli o in combinazione, a seconda delle prestazioni richieste. Ecco alcuni filler comuni e le loro funzioni:<\/span><\/p>\n<p>&nbsp;<\/p>\n<p><span style=\"font-weight: 400;\">Riempitivi inorganici<\/span><\/p>\n<p><span style=\"font-weight: 400;\">Fibra di vetro: migliora la resistenza all&#039;usura, la resistenza allo scorrimento e la rigidit\u00e0<\/span><\/p>\n<p><span style=\"font-weight: 400;\">Fibra di carbonio: aumenta la resistenza, il trasferimento di calore e la resistenza all&#039;usura<\/span><\/p>\n<p><span style=\"font-weight: 400;\">Grafite: aumenta la resistenza all&#039;usura e la lubrificazione<\/span><\/p>\n<p><span style=\"font-weight: 400;\">Disolfuro di molibdeno: migliora la lubrificazione<\/span><\/p>\n<p>&nbsp;<\/p>\n<p><span style=\"font-weight: 400;\">Riempitivi metallici<\/span><\/p>\n<p><span style=\"font-weight: 400;\">Polvere di rame: migliora il trasferimento di calore e la resistenza all&#039;usura<\/span><\/p>\n<p><span style=\"font-weight: 400;\">Polvere di nichel: aumenta la resistenza alla corrosione e la robustezza<\/span><\/p>\n<p>&nbsp;<\/p>\n<p><span style=\"font-weight: 400;\">Riempitivi polimerici<\/span><\/p>\n<p><span style=\"font-weight: 400;\">Poliimmide: migliora la resistenza allo scorrimento e la stabilit\u00e0 alle alte temperature<\/span><\/p>\n<p><span style=\"font-weight: 400;\">Polistirene (PEEK, ecc.): aumenta la resistenza all&#039;usura e la rigidit\u00e0<\/span><\/p>\n<p>&nbsp;<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"wp-image-14971 aligncenter\" src=\"http:\/\/hansaplas.com\/wp-content\/uploads\/2025\/08\/Filler-Modification.jpg\" alt=\"Modifica del riempitivo\" width=\"520\" height=\"390\" srcset=\"https:\/\/hansaplas.com\/wp-content\/uploads\/2025\/08\/Filler-Modification.jpg 1000w, https:\/\/hansaplas.com\/wp-content\/uploads\/2025\/08\/Filler-Modification-768x575.jpg 768w, https:\/\/hansaplas.com\/wp-content\/uploads\/2025\/08\/Filler-Modification-16x12.jpg 16w\" sizes=\"auto, (max-width: 520px) 100vw, 520px\" \/><\/p>\n<p>&nbsp;<\/p>\n<h3><span class=\"ez-toc-section\" id=\"Chemical_Treatment\"><\/span><span style=\"font-weight: 400;\">Trattamento chimico<\/span><span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>&nbsp;<\/p>\n<p><span style=\"font-weight: 400;\">Questo metodo modifica la struttura molecolare del PTFE attraverso reazioni chimiche. La pi\u00f9 comune \u00e8 la modificazione tramite innesto, in cui monomeri come lo stirene vengono innestati sul PTFE utilizzando raggi gamma o fasci di elettroni. Questo aumenta l&#039;attivit\u00e0 superficiale e la capacit\u00e0 di legame.<\/span><\/p>\n<p>&nbsp;<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"wp-image-14972 aligncenter\" src=\"http:\/\/hansaplas.com\/wp-content\/uploads\/2025\/08\/Chemical-Treatment.jpg\" alt=\"Trattamento chimico\" width=\"520\" height=\"390\" srcset=\"https:\/\/hansaplas.com\/wp-content\/uploads\/2025\/08\/Chemical-Treatment.jpg 1000w, https:\/\/hansaplas.com\/wp-content\/uploads\/2025\/08\/Chemical-Treatment-768x576.jpg 768w, https:\/\/hansaplas.com\/wp-content\/uploads\/2025\/08\/Chemical-Treatment-16x12.jpg 16w\" sizes=\"auto, (max-width: 520px) 100vw, 520px\" \/><\/p>\n<p>&nbsp;<\/p>\n<h3><span class=\"ez-toc-section\" id=\"Surface_Modification\"><\/span><span style=\"font-weight: 400;\">Modifica della superficie<\/span><span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>&nbsp;<\/p>\n<p><span style=\"font-weight: 400;\">Trattamento al plasma: utilizza il plasma per aggiungere gruppi attivi alla superficie. Ci\u00f2 migliora la bagnabilit\u00e0 e l&#039;adesione.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">Incisione laser: utilizza laser ultraveloci per creare minuscole scanalature. Spesso utilizzata per i biosensori.<\/span><\/p>\n<p>&nbsp;<\/p>\n<h2><span class=\"ez-toc-section\" id=\"Background\"><\/span><span style=\"font-weight: 400;\">Sfondo<\/span><span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>&nbsp;<\/p>\n<p><span style=\"font-weight: 400;\">Il PTFE \u00e8 noto per la sua eccellente resistenza agli agenti chimici, il basso attrito e la tolleranza alle alte temperature. Tuttavia, presenta anche dei punti deboli, come la scarsa resistenza meccanica e la scarsa resistenza al creep. Il PTFE modificato risolve questi problemi attraverso miglioramenti mirati.<\/span><\/p>\n<p>&nbsp;<\/p>\n<h2><span class=\"ez-toc-section\" id=\"Properties\"><\/span><span style=\"font-weight: 400;\">Propriet\u00e0<\/span><span class=\"ez-toc-section-end\"><\/span><\/h2>\n<h3><span class=\"ez-toc-section\" id=\"Performance_Comparison\"><\/span><span style=\"font-weight: 400;\">Confronto delle prestazioni<\/span><span class=\"ez-toc-section-end\"><\/span><\/h3>\n<table>\n<tbody>\n<tr>\n<td><span style=\"font-weight: 400;\">Propriet\u00e0<\/span><\/td>\n<td><span style=\"font-weight: 400;\">PTFE puro<\/span><\/td>\n<td><span style=\"font-weight: 400;\">PTFE modificato<\/span><\/td>\n<\/tr>\n<tr>\n<td><span style=\"font-weight: 400;\">Densit\u00e0<\/span><\/td>\n<td><span style=\"font-weight: 400;\">2,1\u20132,3 g\/cm\u00b3<\/span><\/td>\n<td><span style=\"font-weight: 400;\">2,5\u20133,0 g\/cm\u00b3<\/span><\/td>\n<\/tr>\n<tr>\n<td><span style=\"font-weight: 400;\">Resistenza alla trazione<\/span><\/td>\n<td><span style=\"font-weight: 400;\">15\u201330 MPa<\/span><\/td>\n<td><span style=\"font-weight: 400;\">20\u201350 MPa<\/span><\/td>\n<\/tr>\n<tr>\n<td><span style=\"font-weight: 400;\">Allungamento a rottura<\/span><\/td>\n<td><span style=\"font-weight: 400;\">200%\u2013500%<\/span><\/td>\n<td><span style=\"font-weight: 400;\">5%\u2013300%<\/span><\/td>\n<\/tr>\n<tr>\n<td><span style=\"font-weight: 400;\">Durezza (Shore D)<\/span><\/td>\n<td><span style=\"font-weight: 400;\">50\u201365<\/span><\/td>\n<td><span style=\"font-weight: 400;\">60\u201385\u00a0<\/span><\/td>\n<\/tr>\n<tr>\n<td><span style=\"font-weight: 400;\">Rigidit\u00e0 dielettrica<\/span><\/td>\n<td><span style=\"font-weight: 400;\">15\u201325 kV\/mm<\/span><\/td>\n<td><span style=\"font-weight: 400;\">5\u201320 kV\/mm<\/span><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h3><span class=\"ez-toc-section\" id=\"Chemical_Properties\"><\/span><span style=\"font-weight: 400;\">Propriet\u00e0 chimiche<\/span><span class=\"ez-toc-section-end\"><\/span><\/h3>\n<table>\n<tbody>\n<tr>\n<td><span style=\"font-weight: 400;\">Propriet\u00e0<\/span><\/td>\n<td><span style=\"font-weight: 400;\">PTFE puro<\/span><\/td>\n<td><span style=\"font-weight: 400;\">PTFE modificato<\/span><\/td>\n<\/tr>\n<tr>\n<td><span style=\"font-weight: 400;\">Resistenza allo scorrimento<\/span><\/td>\n<td><span style=\"font-weight: 400;\">50%\u2013100%<\/span><\/td>\n<td><span style=\"font-weight: 400;\">5%\u201330%<\/span><\/td>\n<\/tr>\n<tr>\n<td><span style=\"font-weight: 400;\">Permeabilit\u00e0<\/span><\/td>\n<td><span style=\"font-weight: 400;\">1\u00d710\u207b\u00b9\u2070 cm\u00b3\u00b7cm\/(cm\u00b2\u00b7s\u00b7Pa)<\/span><\/td>\n<td><span style=\"font-weight: 400;\">1\u00d710\u207b\u2074 cm\u00b3\u00b7cm\/(cm\u00b2\u00b7s\u00b7Pa<\/span><\/td>\n<\/tr>\n<tr>\n<td><span style=\"font-weight: 400;\">Stabilit\u00e0 termica<\/span><\/td>\n<td><span style=\"font-weight: 400;\">da -200\u00b0C a 260\u00b0C<\/span><\/td>\n<td><span style=\"font-weight: 400;\">-200\u00b0C a 200\u00b0C<\/span><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p>&nbsp;<\/p>\n<h2><span class=\"ez-toc-section\" id=\"Choosing_the_Right_Modification\"><\/span><span style=\"font-weight: 400;\">Scegliere la modifica giusta<\/span><span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>&nbsp;<\/p>\n<p><span style=\"font-weight: 400;\">Materiali di tenuta: utilizzare fibra di vetro 25% + grafite 5%. Riduce l&#039;attrito di 40%. Ideale per valvole ad alta pressione.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">Cateteri medicali: innestati al plasma con acido acrilico. Aumentano l&#039;idrofilia superficiale, riducono l&#039;adesione proteica di 60%.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">Circuiti stampati ad alta frequenza: modificati con nanoossido di alluminio. Mantengono la costante dielettrica stabile a 2,1\u20132,3 (a 1 MHz), adatti per il 5G.<\/span><\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"wp-image-14973\" src=\"http:\/\/hansaplas.com\/wp-content\/uploads\/2025\/08\/Application-scaled.jpg\" alt=\"Applicazione\" width=\"520\" height=\"390\" srcset=\"https:\/\/hansaplas.com\/wp-content\/uploads\/2025\/08\/Application-scaled.jpg 2560w, https:\/\/hansaplas.com\/wp-content\/uploads\/2025\/08\/Application-768x576.jpg 768w, https:\/\/hansaplas.com\/wp-content\/uploads\/2025\/08\/Application-1536x1152.jpg 1536w, https:\/\/hansaplas.com\/wp-content\/uploads\/2025\/08\/Application-2048x1536.jpg 2048w, https:\/\/hansaplas.com\/wp-content\/uploads\/2025\/08\/Application-16x12.jpg 16w\" sizes=\"auto, (max-width: 520px) 100vw, 520px\" \/><\/p>\n<p>&nbsp;<\/p>\n<h2><span class=\"ez-toc-section\" id=\"Price\"><\/span><span style=\"font-weight: 400;\">Prezzo<\/span><span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>&nbsp;<\/p>\n<p><span style=\"font-weight: 400;\">I prezzi variano notevolmente a seconda del tipo e dell&#039;applicazione. In genere, si aggirano tra 99 e 280 RMB al chilogrammo.<\/span><\/p>","protected":false},"excerpt":{"rendered":"<p>Definition &nbsp; Modified PTFE(also called Modified Teflon) is made by processing pure PTFE (Polytetrafluoroethylene) through special methods. It keeps the original advantages of PTFE while [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":14976,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"site-sidebar-layout":"default","site-content-layout":"","ast-site-content-layout":"default","site-content-style":"default","site-sidebar-style":"default","ast-global-header-display":"","ast-banner-title-visibility":"","ast-main-header-display":"","ast-hfb-above-header-display":"","ast-hfb-below-header-display":"","ast-hfb-mobile-header-display":"","site-post-title":"","ast-breadcrumbs-content":"","ast-featured-img":"","footer-sml-layout":"","ast-disable-related-posts":"","theme-transparent-header-meta":"default","adv-header-id-meta":"","stick-header-meta":"default","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":"","astra-migrate-meta-layouts":"set","ast-page-background-enabled":"default","ast-page-background-meta":{"desktop":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"ast-content-background-meta":{"desktop":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"footnotes":""},"categories":[1],"tags":[],"class_list":["post-14970","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-blog"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.4 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>What is modified ptfe? - Hansa<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/hansaplas.com\/it\/cose-il-ptfe-modificato\/\" \/>\n<meta property=\"og:locale\" content=\"it_IT\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"What is modified ptfe? - Hansa\" \/>\n<meta property=\"og:description\" content=\"Definition &nbsp; Modified PTFE(also called Modified Teflon) is made by processing pure PTFE (Polytetrafluoroethylene) through special methods. 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