{"id":128366,"date":"2026-05-28T10:30:00","date_gmt":"2026-05-28T08:30:00","guid":{"rendered":"https:\/\/www.linseis.com\/?p=128366"},"modified":"2026-05-27T14:03:21","modified_gmt":"2026-05-27T12:03:21","slug":"poliueretan-pur-termal-oezellikler-yapi-ve-uygulamalar","status":"publish","type":"post","link":"https:\/\/www.linseis.com\/tr\/bilgi\/poliueretan-pur-termal-oezellikler-yapi-ve-uygulamalar\/","title":{"rendered":"Poli\u00fcretan (PUR): Termal \u00f6zellikler, yap\u0131 ve uygulamalar"},"content":{"rendered":"\t\t<div data-elementor-type=\"wp-post\" data-elementor-id=\"128366\" class=\"elementor elementor-128366 elementor-128299\" data-elementor-post-type=\"post\">\n\t\t\t\t<div class=\"elementor-element elementor-element-b75441f e-flex e-con-boxed e-con e-parent\" data-id=\"b75441f\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t<div class=\"elementor-element elementor-element-35d541b e-con-full e-flex e-con e-child\" data-id=\"35d541b\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-97683da elementor-toc--minimized-on-tablet elementor-widget elementor-widget-table-of-contents\" data-id=\"97683da\" 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;no_headings_message&quot;:&quot;No headings were found on this 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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__97683da\" 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-d69a620 elementor-widget elementor-widget-spacer\" data-id=\"d69a620\" 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<div class=\"elementor-element elementor-element-f563fb9 elementor-widget elementor-widget-text-editor\" data-id=\"f563fb9\" 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>Poli\u00fcretan (PUR) kadar \u00e7ok \u00f6zelli\u011fi tek bir malzeme sisteminde birle\u015ftiren ba\u015fka bir malzeme neredeyse yoktur. Mobilya sekt\u00f6r\u00fcndeki yumu\u015fak konfor s\u00fcngerinden otomotivdeki sert elastomerlere kadar <a href=\"https:\/\/www.linseis.com\/tr\/uygulamalar\/otomotiv-havacilik-ve-uzay-enduestrisi\/\"><strong>otomoti\u0307v end\u00fcstri\u0307si\u0307<\/strong><\/a> Metal ve beton \u00fczerindeki y\u00fcksek mukavemetli koruyucu kaplamalara kadar &#8211; PUR, molek\u00fcler mimarisi \u00f6zel olarak ayarlanabildi\u011fi i\u00e7in ilgili gereksinimlere uyum sa\u011flar. Belirleyici ayar vidas\u0131, yumu\u015fak ve sert segmentlerin etkile\u015fiminde, bunlar\u0131n faz ayr\u0131m\u0131nda ve kimyasal \u00e7apraz ba\u011flaman\u0131n t\u00fcr\u00fc ve yo\u011funlu\u011funda yatmaktad\u0131r. Morfoloji, poliollerin, izosiyanatlar\u0131n ve zincir uzat\u0131c\u0131lar\u0131n hedeflenen se\u00e7imi yoluyla \u00f6zelle\u015ftirilebilir, <a href=\"https:\/\/www.linseis.com\/tr\/bilgi\/polimerlerin-kristallesmesi-ve-yeniden-kristallesmesi\/\"><strong>kristallik<\/strong><\/a>, <a href=\"https:\/\/www.linseis.com\/tr\/bilgi\/cam-gecis-sicakligi\/\"><strong>cam ge\u00e7i\u015f s\u0131cakl\u0131klar\u0131<\/strong><\/a> ve <a href=\"https:\/\/www.linseis.com\/tr\/bilgi\/termal-stabilite-oelcuemue\/\"><strong>termal kararl\u0131l\u0131k<\/strong><\/a> neredeyse gerekti\u011fi gibi (Gantrade, 2021).   <\/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-3f25694 elementor-widget elementor-widget-spacer\" data-id=\"3f25694\" 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<div class=\"elementor-element elementor-element-70a90bd elementor-widget elementor-widget-heading\" data-id=\"70a90bd\" 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\">Kristallik: amorf esneklik ve yap\u0131sal g\u00fc\u00e7 aras\u0131nda<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-3e57f3d elementor-widget elementor-widget-spacer\" data-id=\"3e57f3d\" 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<div class=\"elementor-element elementor-element-8bfe25d elementor-widget elementor-widget-text-editor\" data-id=\"8bfe25d\" 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>PUR tipik olarak polieter veya polyester bazl\u0131 olanlar gibi yumu\u015fak segmentlerden ve diizosiyanat\/zincir uzat\u0131c\u0131 birimlerden olu\u015fan sert segmentlerden olu\u015fan segmentli bir blok kopolimerdir. Yumu\u015fak segmentlerin kimyasal yap\u0131s\u0131na ve uzunlu\u011funa ba\u011fl\u0131 olarak, bu fazda ek bir y\u00fck ta\u015f\u0131y\u0131c\u0131 bile\u015fen olarak i\u015flev g\u00f6ren k\u0131smi kristallik olu\u015fabilir (DOE OSTI, 2006). Kristalle\u015fen polieter segmentleri (\u00f6rne\u011fin PEO) ile PUR \u00fczerine yap\u0131lan \u00e7al\u0131\u015fmalar, bu kristal alanlar\u0131n yumu\u015fak segmentlerin erime noktas\u0131n\u0131n alt\u0131ndaki depolama mod\u00fcl\u00fcn\u00fc \u00f6nemli \u00f6l\u00e7\u00fcde art\u0131rd\u0131\u011f\u0131n\u0131 ve toklu\u011fu art\u0131rd\u0131\u011f\u0131n\u0131 g\u00f6stermektedir &#8211; sert segmentleri tamamlayan ge\u00e7ici fiziksel \u00e7apraz ba\u011flanma noktalar\u0131 gibi davran\u0131rlar (ScienceDirect, 2021).  <\/p><p>Sert segmentlerin kristallik derecesi b\u00fcy\u00fck \u00f6l\u00e7\u00fcde konsantrasyonlar\u0131na ve kimyasal simetrilerine ba\u011fl\u0131d\u0131r. Sert segment i\u00e7eri\u011fi artt\u0131k\u00e7a, mikroyap\u0131 yumu\u015fak segment-s\u00fcrekli morfolojiden sert alan-s\u00fcrekli morfolojiye d\u00f6n\u00fc\u015f\u00fcr, bu da \u00f6zellikle mukavemeti ve kopma uzamas\u0131n\u0131 de\u011fi\u015ftirir. Pratikte bu, k\u00f6p\u00fcklerin ve esnek kaplamalar\u0131n daha amorf yumu\u015fak segmentlerden, y\u00fcksek mukavemetli elastomerlerin ve fiber kompozitlerin ise her iki segment tipindeki kristal alanlardan yararland\u0131\u011f\u0131 anlam\u0131na gelir (Gantrade, 2021).  <\/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-89c0869 elementor-widget elementor-widget-spacer\" data-id=\"89c0869\" 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<img fetchpriority=\"high\" decoding=\"async\" class=\"e-image-base e-21f92a0-4b1c716\" data-interaction-id=\"21f92a0\" data-e-type=\"widget\" data-id=\"21f92a0\" id=\"128362\" src=\"https:\/\/www.linseis.com\/wp-content\/uploads\/2026\/05\/Soft-and-Hard-Segment-Morphology-in-Polyurethane-PUR.png\" width=\"1536\" height=\"1024\" srcset=\"https:\/\/www.linseis.com\/wp-content\/uploads\/2026\/05\/Soft-and-Hard-Segment-Morphology-in-Polyurethane-PUR.png 1536w, https:\/\/www.linseis.com\/wp-content\/uploads\/2026\/05\/Soft-and-Hard-Segment-Morphology-in-Polyurethane-PUR-300x200.png 300w, https:\/\/www.linseis.com\/wp-content\/uploads\/2026\/05\/Soft-and-Hard-Segment-Morphology-in-Polyurethane-PUR-1024x683.png 1024w, https:\/\/www.linseis.com\/wp-content\/uploads\/2026\/05\/Soft-and-Hard-Segment-Morphology-in-Polyurethane-PUR-768x512.png 768w\" alt=\"Esnek yumu\u015fak segmentler, sert sert alanlar, hidrojen ba\u011f\u0131 ve elastikiyet, tokluk ve termal stabiliteyi etkileyen faz ayr\u0131m\u0131 ile poli\u00fcretan\u0131n (PUR) segmentli mikro yap\u0131s\u0131n\u0131 g\u00f6steren bilimsel infografik.\"\/>\t\t\t\t<div class=\"elementor-element elementor-element-8924b53 elementor-widget elementor-widget-text-editor\" data-id=\"8924b53\" 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><em>Yapay zeka tabanl\u0131 g\u00f6r\u00fcnt\u00fc olu\u015fturma ile olu\u015fturulan g\u00f6rselle\u015ftirme.<\/em><\/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-2779a66 elementor-widget elementor-widget-spacer\" data-id=\"2779a66\" 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<div class=\"elementor-element elementor-element-56bfe34 elementor-widget elementor-widget-heading\" data-id=\"56bfe34\" 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\">Erime davran\u0131\u015f\u0131 ve i\u015fleme penceresi<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-36f5a88 elementor-widget elementor-widget-spacer\" data-id=\"36f5a88\" 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<div class=\"elementor-element elementor-element-035f339 elementor-widget elementor-widget-text-editor\" data-id=\"035f339\" 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>Segmentli PUR sistemleri tipik olarak birka\u00e7 karakteristik ge\u00e7i\u015fe sahiptir: bir veya iki cam ge\u00e7i\u015fi ve &#8211; kristalin yumu\u015fak veya sert fazlar durumunda &#8211; belirli erime alanlar\u0131. Yumu\u015fak segmentlerin (\u00f6rne\u011fin PCL, PEO) erime s\u0131cakl\u0131\u011f\u0131 genellikle termoplastik i\u015flemenin m\u00fcmk\u00fcn oldu\u011fu bir aral\u0131ktayken, y\u00fcksek oranda \u00e7apraz ba\u011fl\u0131 termoset PUR sistemleri art\u0131k net bir erime noktas\u0131 g\u00f6stermez, ancak do\u011frudan termal olarak ayr\u0131\u015f\u0131r (PMC NCBI, 2023). <\/p><p>De\u011fi\u015fken yumu\u015fak segment yap\u0131s\u0131na sahip PUR \u00fczerinde yap\u0131lan \u00e7al\u0131\u015fmalar, kristalle\u015fen poliollerin, konumu poliol\u00fcn molek\u00fcler a\u011f\u0131rl\u0131\u011f\u0131na ve kimyasal yap\u0131s\u0131na ba\u011fl\u0131 olan, a\u00e7\u0131k\u00e7a tan\u0131nabilir bir eriyik ge\u00e7i\u015fi sa\u011flad\u0131\u011f\u0131n\u0131 g\u00f6stermektedir. Sert segment konsantrasyonu artt\u0131k\u00e7a, yumu\u015fak segment kristalli\u011fi zay\u0131flar, erime s\u0131cakl\u0131\u011f\u0131 d\u00fc\u015fer ve alanlar daha amorf hale gelir &#8211; bu da darbe veya \u015fok y\u00fcklemesi alt\u0131nda enerji emilimini art\u0131r\u0131r (DOE OSTI, 2006). \u0130\u015fleme s\u0131cakl\u0131\u011f\u0131 penceresi ve \u0131s\u0131 sapma s\u0131cakl\u0131\u011f\u0131n\u0131n esasen bu erime s\u00fcre\u00e7leri taraf\u0131ndan belirlenmesi malzeme geli\u015ftirme a\u00e7\u0131s\u0131ndan \u00e7ok \u00f6nemlidir: Termoplastik PUR (TPU) geri d\u00f6n\u00fc\u015ft\u00fcr\u00fclebilirlik i\u00e7in yumu\u015fak segmentli erimeyi kullan\u0131rken, y\u00fcksek s\u0131cakl\u0131\u011fa dayan\u0131kl\u0131 kaplamalar kas\u0131tl\u0131 olarak \u00e7apraz ba\u011fl\u0131 yap\u0131lara dayan\u0131r ve erime s\u00fcre\u00e7lerini bast\u0131r\u0131r (ScienceDirect, 2021).  <\/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-72b4575 elementor-widget elementor-widget-spacer\" data-id=\"72b4575\" 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<div class=\"elementor-element elementor-element-1b982d6 elementor-widget elementor-widget-heading\" data-id=\"1b982d6\" 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\">Malzeme \u00e7e\u015fitlili\u011fi: varyantlar, kopolimerler ve \u00f6zelle\u015ftirilmi\u015f form\u00fclasyonlar<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-92f5197 elementor-widget elementor-widget-spacer\" data-id=\"92f5197\" 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<div class=\"elementor-element elementor-element-5df331d elementor-widget elementor-widget-text-editor\" data-id=\"5df331d\" 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>PUR&#8217;un molek\u00fcler tasar\u0131m \u00f6zg\u00fcrl\u00fc\u011f\u00fc, diizosiyanatlar\u0131n, poliollerin ve zincir uzat\u0131c\u0131lar\u0131n neredeyse s\u0131n\u0131rs\u0131z kombinasyonuna dayanmaktad\u0131r. Polieter ve polyester polioller, alifatik veya aromatik diizosiyanatlar ve fonksiyonelle\u015ftirilmi\u015f zincir uzat\u0131c\u0131lar, yumu\u015fak k\u00f6p\u00fckler ve kau\u00e7uk benzeri elastomerlerden sert, \u015feffaf malzemelere kadar bir dizi malzeme ile sonu\u00e7lan\u0131r (PMC NCBI, 2023). Daha y\u00fcksek sert segment i\u00e7eri\u011fi (daha y\u00fcksek NCO indeksi) ile Shore sertli\u011fi, gerilme mod\u00fcl\u00fc, gerilme mukavemeti ve y\u0131rt\u0131lma mukavemeti artarken, kopma uzamas\u0131 azal\u0131r. Tersine, daha y\u00fcksek yumu\u015fak segment i\u00e7eri\u011fi veya daha uzun bir poliol zinciri daha fazla esnekli\u011fe ve geli\u015fmi\u015f hidrolitik stabiliteye yol a\u00e7ar (Gantrade, 2021).   <\/p><p>Su bazl\u0131 ve biyo-bazl\u0131 PUR sistemleri \u00fczerine yap\u0131lan son \u00e7al\u0131\u015fmalar, UV stabilitesi, \u015feffafl\u0131k ve biyouyumlulu\u011fun da uygun kopolimer ve katk\u0131 maddesi konseptleri kullan\u0131larak \u00f6zel olarak ayarlanabilece\u011fini g\u00f6stermektedir. \u00d6rne\u011fin, y\u00fcksek \u015feffafl\u0131\u011f\u0131na ra\u011fmen 65 MPa&#8217;n\u0131n \u00fczerinde gerilme mukavemeti ve %900&#8217;\u00fcn \u00fczerinde uzama sa\u011flayan entegre benzotriazol UV emicili su bazl\u0131, \u015feffaf bir PU geli\u015ftirilmi\u015ftir (ACS Applied Materials &#038; Interfaces, 2023). <\/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-c348815 elementor-widget elementor-widget-spacer\" data-id=\"c348815\" 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<div class=\"elementor-element elementor-element-95aac46 elementor-widget elementor-widget-heading\" data-id=\"95aac46\" 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\">Kimyasal, UV ve mekanik diren\u00e7<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-6dd2e47 elementor-widget elementor-widget-spacer\" data-id=\"6dd2e47\" 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<div class=\"elementor-element elementor-element-a18f69c elementor-widget elementor-widget-text-editor\" data-id=\"a18f69c\" 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>PUR&#8217;un kimyasal direnci b\u00fcy\u00fck \u00f6l\u00e7\u00fcde yumu\u015fak segment kimyas\u0131na ba\u011fl\u0131d\u0131r: Polyester bazl\u0131 PUR daha y\u00fcksek solvent ve a\u015f\u0131nma direnci sunar, ancak hidrolize daha duyarl\u0131d\u0131r. Polieter bazl\u0131 PUR&#8217;lar ise baz\u0131 durumlarda daha d\u00fc\u015f\u00fck a\u015f\u0131nma ve solvent direnci ile daha iyi hidroliz stabilitesi g\u00f6sterir. Mekanik olarak, \u00f6zellik profili sert segment i\u00e7eri\u011fi ve \u00e7apraz ba\u011flama yo\u011funlu\u011fu arac\u0131l\u0131\u011f\u0131yla \u00e7ok hassas bir \u015fekilde kontrol edilebilir &#8211; yumu\u015fak elastik s\u00f6n\u00fcmleme malzemelerinden y\u00fcksek mukavemetli kaplamalara ve liflere kadar (DOE OSTI, 2006).  <\/p><p>Geleneksel PUR UV radyasyonuna kar\u015f\u0131 nispeten hassast\u0131r: fotokimyasal zincir k\u0131r\u0131lmalar\u0131 ve foto-oksidasyon mekanik \u00f6zelliklerin bozulmas\u0131na ve sararmaya yol a\u00e7ar. Modern geli\u015fmeler, bu ya\u015flanmay\u0131 \u00f6nemli \u00f6l\u00e7\u00fcde azaltmak i\u00e7in dahili UV emicilere veya antioksidan yap\u0131sal unsurlara dayanmaktad\u0131r. Kendili\u011finden UV ile stabilize edilmi\u015f, su bazl\u0131 bir PUR, 24 saatlik UV \u0131\u015f\u0131nlamas\u0131ndan sonra ilk duruma k\u0131yasla pratikte de\u011fi\u015fmeyen gerilme mukavemeti ve kopma uzamas\u0131 g\u00f6stermi\u015ftir (PMC NCBI, 2019). Bu nedenle, d\u0131\u015f mekan uygulamalar\u0131 veya agresif ortamlar i\u00e7in PUR tipi ve katk\u0131 maddelerinin se\u00e7imi, hizmet \u00f6mr\u00fc ve g\u00fcvenilirlik a\u00e7\u0131s\u0131ndan \u00e7ok \u00f6nemlidir.   <\/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-ac9afd3 elementor-widget elementor-widget-spacer\" data-id=\"ac9afd3\" 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<div class=\"elementor-element elementor-element-1632185 elementor-widget elementor-widget-heading\" data-id=\"1632185\" 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\">Termal stabilite: s\u0131n\u0131rlar ve olas\u0131l\u0131klar<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-d6035da elementor-widget elementor-widget-spacer\" data-id=\"d6035da\" 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<div class=\"elementor-element elementor-element-cc80029 elementor-widget elementor-widget-text-editor\" data-id=\"cc80029\" 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>PUR&#8217;un termal stabilitesi \u00f6ncelikle yumu\u015fak segmentlerin kimyasal yap\u0131s\u0131, izosiyanat t\u00fcr\u00fc ve \u00e7apraz ba\u011flama yo\u011funlu\u011fu taraf\u0131ndan belirlenir. TGA \u00e7al\u0131\u015fmalar\u0131, ayr\u0131\u015fman\u0131n genellikle birka\u00e7 a\u015famada ger\u00e7ekle\u015fti\u011fini g\u00f6stermektedir: \u00fcretan ba\u011flar\u0131n\u0131n ayr\u0131lmas\u0131yla ba\u015flay\u0131p yumu\u015fak segmentlerin bozulmas\u0131yla devam eder (PMC NCBI, 2023). Farkl\u0131 polieter ve polyester PUR \u00fczerinde yap\u0131lan kar\u015f\u0131la\u015ft\u0131rmal\u0131 \u00e7al\u0131\u015fmalar, farkl\u0131 zincir uzunluklar\u0131na ra\u011fmen termal stabilitenin sadece orta derecede de\u011fi\u015fti\u011fini g\u00f6stermektedir &#8211; bu da polyester bazl\u0131 PUR&#8217;un daha y\u00fcksek s\u0131cakl\u0131klara maruz kalan uygulamalar i\u00e7in uygunlu\u011funu vurgulamaktad\u0131r.  <\/p><p>Pratikte bu, yal\u0131t\u0131m veya kal\u0131planm\u0131\u015f par\u00e7alar i\u00e7in PUR k\u00f6p\u00fcklerinin ana bozunma s\u0131cakl\u0131\u011f\u0131n\u0131n alt\u0131nda \u00e7al\u0131\u015ft\u0131r\u0131lmas\u0131 gerekti\u011fi, ancak uygun form\u00fclasyon &#8211; aromatik i\u00e7erik, alev geciktirici, \u00e7apraz ba\u011flanma derecesi &#8211; yoluyla \u00f6nemli \u00f6l\u00e7\u00fcde geli\u015ftirilmi\u015f termal stabilite elde edilebilece\u011fi anlam\u0131na gelir. Zorlu y\u00fcksek s\u0131cakl\u0131k uygulamalar\u0131 i\u00e7in DSC ve TGA kombinasyonu, cam ge\u00e7i\u015flerini, erime olaylar\u0131n\u0131 ve ayr\u0131\u015fman\u0131n ba\u015flang\u0131c\u0131n\u0131 hassas bir \u015fekilde karakterize etmek i\u00e7in gereklidir (PMC NCBI, 2023). <\/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-c7225d7 elementor-widget elementor-widget-spacer\" data-id=\"c7225d7\" 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<div class=\"elementor-element elementor-element-2c36fea elementor-widget elementor-widget-heading\" data-id=\"2c36fea\" 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\">Cam ge\u00e7i\u015f s\u0131cakl\u0131\u011f\u0131: esnekli\u011fin ve uygulama s\u0131cakl\u0131\u011f\u0131n\u0131n anahtar\u0131<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-0e0a422 elementor-widget elementor-widget-spacer\" data-id=\"0e0a422\" 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<div class=\"elementor-element elementor-element-2b2fdfa elementor-widget elementor-widget-text-editor\" data-id=\"2b2fdfa\" 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>Segment yap\u0131s\u0131na ba\u011fl\u0131 olarak, PUR bir veya daha fazla cam ge\u00e7i\u015fine sahip olabilir: tipik olarak esnekli\u011fi ve d\u00fc\u015f\u00fck s\u0131cakl\u0131k davran\u0131\u015f\u0131n\u0131 belirleyen yumu\u015fak segmentlerin bir Tg&#8217;si ve muhtemelen sertli\u011fi ve \u0131s\u0131 direncini etkileyen sert segmentlerin bir Tg&#8217;si. Klasik elastomer PUR i\u00e7in yumu\u015fak segment Tg genellikle -50 \u00b0C ile 0 \u00b0C aras\u0131ndayken, sert segment cam ge\u00e7i\u015fleri \u00f6nemli \u00f6l\u00e7\u00fcde daha y\u00fcksek olabilir (DOE OSTI, 2006). <\/p><p>Yumu\u015fak segment Tg&#8217;nin poliol kimyas\u0131 yoluyla hedeflenen \u015fekilde ayarlanmas\u0131, s\u00f6n\u00fcmleme davran\u0131\u015f\u0131n\u0131, geri tepme esnekli\u011fini ve d\u00fc\u015f\u00fck s\u0131cakl\u0131k esnekli\u011fini kontrol etmek i\u00e7in \u00f6nemli bir ara\u00e7t\u0131r. Segmentli PUR elyaflar ve elastomerler \u00fczerinde yap\u0131lan \u00e7al\u0131\u015fmalar, kristalin yumu\u015fak segmentlerin etkili Tg aral\u0131\u011f\u0131n\u0131 geni\u015fletti\u011fini ve erime noktas\u0131n\u0131n alt\u0131nda enerji emilimini art\u0131rd\u0131\u011f\u0131n\u0131 g\u00f6stermektedir (Gantrade, 2021). Malzeme karakterizasyonu i\u00e7in, DSC veya dinamik mekanik analiz (DMA) yoluyla Tg&#8217;nin belirlenmesi, TGA ile birlikte uygulama s\u0131n\u0131r\u0131 (Tg), i\u015fleme penceresi (erime \/ yumu\u015fama) ve kullan\u0131m \u00f6mr\u00fc sonu (bozunma) hakk\u0131nda eksiksiz bir resim sa\u011flayan \u00f6nemli bir parametredir (DOE OSTI, 2006).  <\/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-5093464 elementor-widget elementor-widget-spacer\" data-id=\"5093464\" 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<img decoding=\"async\" class=\"e-image-base e-04f427c-617bc41\" data-interaction-id=\"04f427c\" data-e-type=\"widget\" data-id=\"04f427c\"  id=\"128363\" src=\"https:\/\/www.linseis.com\/wp-content\/uploads\/2026\/05\/Thermal-Transitions-and-Glass-Transition-Behavior-of-Polyurethane-PUR.png\" width=\"1536\" height=\"1024\" srcset=\"https:\/\/www.linseis.com\/wp-content\/uploads\/2026\/05\/Thermal-Transitions-and-Glass-Transition-Behavior-of-Polyurethane-PUR.png 1536w, https:\/\/www.linseis.com\/wp-content\/uploads\/2026\/05\/Thermal-Transitions-and-Glass-Transition-Behavior-of-Polyurethane-PUR-300x200.png 300w, https:\/\/www.linseis.com\/wp-content\/uploads\/2026\/05\/Thermal-Transitions-and-Glass-Transition-Behavior-of-Polyurethane-PUR-1024x683.png 1024w, https:\/\/www.linseis.com\/wp-content\/uploads\/2026\/05\/Thermal-Transitions-and-Glass-Transition-Behavior-of-Polyurethane-PUR-768x512.png 768w\" alt=\"Yumu\u015fak segment cam ge\u00e7i\u015fi, erime davran\u0131\u015f\u0131, sert segment ge\u00e7i\u015fi ve farkl\u0131 s\u0131cakl\u0131k aral\u0131klar\u0131nda termal bozulma dahil olmak \u00fczere poli\u00fcretan\u0131n (PUR) termal ge\u00e7i\u015flerini g\u00f6steren bilimsel infografik.\"\/>\t\t\t\t<div class=\"elementor-element elementor-element-53bfd8e elementor-widget elementor-widget-text-editor\" data-id=\"53bfd8e\" 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><em>Yapay zeka tabanl\u0131 g\u00f6r\u00fcnt\u00fc olu\u015fturma ile olu\u015fturulan g\u00f6rselle\u015ftirme.<\/em><\/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-a477b16 elementor-widget elementor-widget-spacer\" data-id=\"a477b16\" 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<div class=\"elementor-element elementor-element-2f6d72f elementor-widget elementor-widget-heading\" data-id=\"2f6d72f\" 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\">Bir bak\u0131\u015fta PUR tipleri<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-c43d94c elementor-widget elementor-widget-spacer\" data-id=\"c43d94c\" 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<div class=\"elementor-element elementor-element-3d70752 elementor-widget elementor-widget-text-editor\" data-id=\"3d70752\" 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>Makroskopik d\u00fczeyde, en \u00f6nemli PUR s\u0131n\u0131flar\u0131 a\u015fa\u011f\u0131daki gibi karakterize edilebilir (PMC NCBI, 2019):<\/p><p><b>Esnek PUR k\u00f6p\u00fck<\/b> (\u00f6rn. \u015filteler, d\u00f6\u015femeli mobilyalar, araba koltuklar\u0131): d\u00fc\u015f\u00fck yo\u011funluk, d\u00fc\u015f\u00fck \u00e7apraz ba\u011flanma derecesi, bask\u0131n yumu\u015fak segment i\u00e7eri\u011fi, belirgin enerji emilimi.<\/p><p><b>Sert PUR k\u00f6p\u00fck<\/b> (\u00f6rn. yal\u0131t\u0131m levhalar\u0131, sandvi\u00e7 elemanlar): daha y\u00fcksek \u00e7apraz ba\u011flama ve sert segment i\u00e7eri\u011fi, daha iyi boyutsal stabilite ve d\u00fc\u015f\u00fck a\u011f\u0131rl\u0131kla bas\u0131n\u00e7 dayan\u0131m\u0131.<\/p><p><b>Termoplastik poli\u00fcretanlar (TPU)<\/b>: fiziksel \u00e7apraz ba\u011flama olarak faz ayr\u0131lm\u0131\u015f sert alanlara sahip b\u00f6l\u00fcmlenmi\u015f blok kopolimerler &#8211; eritilerek i\u015flenebilir ve geri d\u00f6n\u00fc\u015ft\u00fcr\u00fclebilir.<\/p><p><b>D\u00f6kme elastomerler ve kaplamalar<\/b>: genellikle daha y\u00fcksek sert segment i\u00e7eri\u011fi ve k\u0131smi kimyasal \u00e7apraz ba\u011flanma, y\u00fcksek a\u015f\u0131nma direnci ve kimyasal diren\u00e7 &#8211; silindirler, tekerlekler veya koruyucu kaplamalar i\u00e7in kullan\u0131l\u0131r.<\/p><p>Ayr\u0131ca, fonksiyonel gruplar\u0131n ve kolloidal mimarinin substrat yap\u0131\u015fmas\u0131, UV stabilitesi ve bariyer \u00f6zellikleri i\u00e7in ek kald\u0131ra\u00e7lar oldu\u011fu kaplamalar, yap\u0131\u015ft\u0131r\u0131c\u0131lar ve tekstil y\u00fczeyleri i\u00e7in su bazl\u0131 PU dispersiyonlar\u0131 da vard\u0131r. Biyo-bazl\u0131 polioller ve izosiyanat i\u00e7ermeyen sistemler bu spektrumu s\u00fcrd\u00fcr\u00fclebilirlik y\u00f6n\u00fcnde geni\u015fletmektedir (ACS Applied Materials &#038; Interfaces, 2023). <\/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-422900a elementor-widget elementor-widget-spacer\" data-id=\"422900a\" 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<div class=\"elementor-element elementor-element-bbc2c25 elementor-widget elementor-widget-heading\" data-id=\"bbc2c25\" 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\">Tipik uygulama alanlar\u0131<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-8a180a9 elementor-widget elementor-widget-spacer\" data-id=\"8a180a9\" 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<div class=\"elementor-element elementor-element-999f90a elementor-widget elementor-widget-text-editor\" data-id=\"999f90a\" 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>PUR&#8217;un geni\u015f \u00f6zellik yelpazesi do\u011frudan uygulamalar\u0131na yans\u0131r: k\u00f6p\u00fckler d\u00f6\u015femeli mobilyalarda, \u015filtelerde, araba koltuklar\u0131nda ve yal\u0131t\u0131m panellerinde bulunabilir. Elastomerler ve TPU silindirler, konvey\u00f6r bantlar\u0131, contalar, ayakkab\u0131 tabanlar\u0131, esnek hortumlar ve filmler i\u00e7in kullan\u0131l\u0131r. Kaplamalar ve yap\u0131\u015ft\u0131r\u0131c\u0131lar metal, ah\u015fap, beton ve tekstilleri korozyon ve mekanik a\u015f\u0131nmadan korur ve fonksiyonel \u00f6zel uygulamalar t\u0131bbi bile\u015fenler ve esnek elektroniklerden optik olarak \u015feffaf, UV \u0131\u015f\u0131nlar\u0131na dayan\u0131kl\u0131 bile\u015fenlere kadar uzan\u0131r (PMC NCBI, 2019; ACS Applied Materials &#038; Interfaces, 2023).  <\/p><p>PUR&#8217;u hem tan\u0131mlanm\u0131\u015f bir h\u00fccre yap\u0131s\u0131na sahip bir k\u00f6p\u00fck hem de kat\u0131, y\u00fcksek mukavemetli bir malzeme olarak form\u00fcle etme yetene\u011fi, onu otomotiv, in\u015faat, enerji ve t\u0131bbi teknoloji sekt\u00f6rlerinde evrensel bir yap\u0131 ve i\u015flevsel malzeme haline getirmektedir. Buradaki belirleyici fakt\u00f6r, her zaman PUR s\u0131n\u0131f\u0131n\u0131n ve mikro yap\u0131n\u0131n sonraki mekanik, termal ve kimyasal y\u00fcke g\u00f6re do\u011fru se\u00e7ilmesidir (Gantrade, 2021). <\/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-924a723 elementor-widget elementor-widget-spacer\" data-id=\"924a723\" 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<img decoding=\"async\" class=\"e-image-base e-f89fd02-06e6602\" data-interaction-id=\"f89fd02\" data-e-type=\"widget\" data-id=\"f89fd02\"  id=\"128364\" src=\"https:\/\/www.linseis.com\/wp-content\/uploads\/2026\/05\/Typical-Applications-of-Polyurethane-PUR.png\" width=\"1536\" height=\"1024\" srcset=\"https:\/\/www.linseis.com\/wp-content\/uploads\/2026\/05\/Typical-Applications-of-Polyurethane-PUR.png 1536w, https:\/\/www.linseis.com\/wp-content\/uploads\/2026\/05\/Typical-Applications-of-Polyurethane-PUR-300x200.png 300w, https:\/\/www.linseis.com\/wp-content\/uploads\/2026\/05\/Typical-Applications-of-Polyurethane-PUR-1024x683.png 1024w, https:\/\/www.linseis.com\/wp-content\/uploads\/2026\/05\/Typical-Applications-of-Polyurethane-PUR-768x512.png 768w\" alt=\"K\u00f6p\u00fck malzemeler, ayakkab\u0131 tabanlar\u0131, end\u00fcstriyel silindirler, otomotiv i\u00e7 mekanlar\u0131, kaplamalar, contalar, filmler ve bir polimer a\u011f yap\u0131s\u0131n\u0131 \u00e7evreleyen teknik elastomer bile\u015fenleri dahil olmak \u00fczere tipik poli\u00fcretan (PUR) uygulamalar\u0131n\u0131n kolaj\u0131.\"\/>\t\t\t\t<div class=\"elementor-element elementor-element-65a834b elementor-widget elementor-widget-text-editor\" data-id=\"65a834b\" 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><em>Yapay zeka tabanl\u0131 g\u00f6r\u00fcnt\u00fc olu\u015fturma ile olu\u015fturulan g\u00f6rselle\u015ftirme.<\/em><\/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-38caaa3 elementor-widget elementor-widget-spacer\" data-id=\"38caaa3\" 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<div class=\"elementor-element elementor-element-f035334 elementor-widget elementor-widget-heading\" data-id=\"f035334\" 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\">Linseis cihazlar\u0131 ile termoanalitik karakterizasyon<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-fb1f959 elementor-widget elementor-widget-spacer\" data-id=\"fb1f959\" 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<div class=\"elementor-element elementor-element-d0d21b8 elementor-widget elementor-widget-text-editor\" data-id=\"d0d21b8\" 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>PUR malzemelerinin geli\u015ftirilmesi ve kalite g\u00fcvencesi i\u00e7in, tek bir \u00f6l\u00e7\u00fcm \u00e7al\u0131\u015fmas\u0131nda birka\u00e7 parametreyi kaydeden termoanalitik sistemler \u00f6zellikle uygundur. <a href=\"https:\/\/www.linseis.com\/tr\/cihazlar\/termal-analiz\/sta-eszamanli-termal-analiz\/\"><strong>E\u015fzamanl\u0131 TGA-DSC cihazlar\u0131<\/strong><\/a> Linseis, k\u00fctle de\u011fi\u015fimlerinin ve kalorifik etkilerin e\u015fzamanl\u0131 olarak belirlenmesini sa\u011flar ve b\u00f6ylece cam ge\u00e7i\u015fleri, erime s\u00fcre\u00e7leri, kristallik, reaksiyon entalpileri ve termal ayr\u0131\u015fman\u0131n ba\u015flang\u0131c\u0131 hakk\u0131nda bilgi sa\u011flar &#8211; PUR k\u00f6p\u00fcklerinin yan\u0131 s\u0131ra TPU&#8217;lar ve kaplamalar i\u00e7in.<\/p><p>Y\u00fcksek bas\u0131n\u00e7 ve y\u00fcksek s\u0131cakl\u0131k STA sistemleri, \u00f6zellikle enerji ve kimya m\u00fchendisli\u011fi uygulamalar\u0131nda PUR i\u00e7in \u00f6nemli olan farkl\u0131 atmosferler ve bas\u0131n\u00e7lar alt\u0131nda ya\u015flanma, oksidasyon kararl\u0131l\u0131\u011f\u0131 ve ayr\u0131\u015fman\u0131n ara\u015ft\u0131r\u0131lmas\u0131na da olanak tan\u0131r. \u0130ste\u011fe ba\u011fl\u0131 kaplin ile <a href=\"https:\/\/www.linseis.com\/tr\/cihazlar\/ek-cihazlar-ve-destek\/l40-ega-ftir\/\"><strong>FTIR<\/strong><\/a> veya <a href=\"https:\/\/www.linseis.com\/tr\/cihazlar\/ek-cihazlar-ve-destek\/l40-ega-gcms\/\"><strong>MS<\/strong><\/a> u\u00e7ucu bozunma \u00fcr\u00fcnlerinin farkl\u0131la\u015ft\u0131r\u0131lm\u0131\u015f bir analizini m\u00fcmk\u00fcn k\u0131lar ve termal ve termo-oksidatif bozunma mekanizmalar\u0131n\u0131 a\u00e7\u0131kl\u0131\u011fa kavu\u015fturur. <\/p><p>Bu termoanalitik y\u00f6ntemlerin mekanik testler ve spektroskopik tekniklerle birle\u015ftirilmesiyle, PUR&#8217;un ultra esnek ve y\u00fcksek mukavemetli aras\u0131nda \u00f6zel olarak konumland\u0131r\u0131lmas\u0131 ve modern uygulamalar\u0131n gereklilikleriyle tam olarak e\u015fle\u015ftirilmesi i\u00e7in temel olu\u015fturan eksiksiz bir \u00f6zellik profili olu\u015fturulur.<\/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-d3a8b8a elementor-widget elementor-widget-spacer\" data-id=\"d3a8b8a\" 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<div class=\"elementor-element elementor-element-d311197 elementor-widget elementor-widget-heading\" data-id=\"d311197\" 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\">Bibliyografya<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-bc5a2c1 elementor-widget elementor-widget-spacer\" data-id=\"bc5a2c1\" 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<div class=\"elementor-element elementor-element-7ec0ae5 elementor-widget elementor-widget-text-editor\" data-id=\"7ec0ae5\" 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><strong>Gantrade, 2021: <\/strong>Gantrade Corporation: Poli\u00fcretan \u00d6zellikleri: PUR Sert Blok Segmentlerinin Uyarlanmas\u0131. <a href=\"https:\/\/www.gantrade.com\/blog\/polyurethane-properties-tailoring-pur\" target=\"_blank\" rel=\"noopener\">https:\/\/www.gantrade.com\/blog\/polyurethane-properties-tailoring-pur<\/a><\/p><p>DOE OSTI<strong>, 2006: <\/strong>ABD DOE OSTI: Yumu\u015fak ve Sert Segment S\u0131ralama Derecesinin Segmentli Poli\u00fcretanlar \u00dczerindeki Etkisi. <a href=\"https:\/\/www.osti.gov\/biblio\/914331\" target=\"_blank\" rel=\"noopener\">https:\/\/www.osti.gov\/biblio\/914331<\/a><\/p><p><strong>ScienceDirect, 2021: <\/strong>Yumu\u015fak Segment Yap\u0131s\u0131n\u0131n Poli\u00fcretanlar\u0131n \u00d6zellikleri \u00dczerindeki Etkisi. ScienceDirect\/\u0130n\u015faat ve Yap\u0131 Malzemeleri.   <a href=\"https:\/\/www.sciencedirect.com\/science\/article\/abs\/pii\/S0950061821001483\" target=\"_blank\" rel=\"noopener\">https:\/\/www.sciencedirect.com\/science\/article\/abs\/pii\/S0950061821001483<\/a><\/p><p><strong>PMC NCBI, 2023: <\/strong>MDPI Polimerler: Poli\u00fcretanlar: Sentez, \u00d6zellikler ve Uygulamalar \u00dczerine Bir \u0130nceleme. PMC\/NCBI. <a href=\"https:\/\/pmc.ncbi.nlm.nih.gov\/articles\/PMC10536526\/\" target=\"_blank\" rel=\"noopener\">https:\/\/pmc.ncbi.nlm.nih.gov\/articles\/PMC10536526\/<\/a> <\/p><p><strong>ACS Applied Materials &#038; Interfaces, 2023: <\/strong>\u0130\u00e7sel UV Direnci ile Renksiz, \u015eeffaf ve Y\u00fcksek Performansl\u0131 Poli\u00fcretanlar. ACS Yay\u0131nlar\u0131.   <a href=\"https:\/\/pubs.acs.org\/doi\/abs\/10.1021\/acsami.2c23317\" target=\"_blank\" rel=\"noopener\">https:\/\/pubs.acs.org\/doi\/abs\/10.1021\/acsami.2c23317<\/a><\/p><p><strong>PMC NCBI, 2019: <\/strong>MDPI Coatings: Poli\u00fcretan Kaplamalar\u0131n Delinme ve Su Direnci. PMC\/NCBI. <a href=\"https:\/\/pmc.ncbi.nlm.nih.gov\/articles\/PMC7022708\/\" target=\"_blank\" rel=\"noopener\">https:\/\/pmc.ncbi.nlm.nih.gov\/articles\/PMC7022708\/<\/a> <\/p>\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\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t","protected":false},"excerpt":{"rendered":"<p>Poli\u00fcretan (PUR) kadar \u00e7ok \u00f6zelli\u011fi tek bir malzeme sisteminde birle\u015ftiren ba\u015fka bir malzeme neredeyse yoktur. Mobilya sekt\u00f6r\u00fcndeki yumu\u015fak konfor k\u00f6p\u00fc\u011f\u00fcnden otomotiv end\u00fcstrisindeki sert elastomerlere ve metal ve beton \u00fczerindeki y\u00fcksek mukavemetli koruyucu kaplamalara kadar &#8211; PUR, molek\u00fcler mimarisi \u00f6zel olarak ayarlanabildi\u011fi i\u00e7in ilgili gereksinimlere uyum sa\u011flar. <\/p>\n","protected":false},"author":3,"featured_media":128365,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"inline_featured_image":false,"footnotes":""},"categories":[754],"tags":[],"class_list":["post-128366","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-bilgi"],"acf":[],"_links":{"self":[{"href":"https:\/\/www.linseis.com\/tr\/wp-json\/wp\/v2\/posts\/128366","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.linseis.com\/tr\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.linseis.com\/tr\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.linseis.com\/tr\/wp-json\/wp\/v2\/users\/3"}],"replies":[{"embeddable":true,"href":"https:\/\/www.linseis.com\/tr\/wp-json\/wp\/v2\/comments?post=128366"}],"version-history":[{"count":0,"href":"https:\/\/www.linseis.com\/tr\/wp-json\/wp\/v2\/posts\/128366\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.linseis.com\/tr\/wp-json\/wp\/v2\/media\/128365"}],"wp:attachment":[{"href":"https:\/\/www.linseis.com\/tr\/wp-json\/wp\/v2\/media?parent=128366"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.linseis.com\/tr\/wp-json\/wp\/v2\/categories?post=128366"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.linseis.com\/tr\/wp-json\/wp\/v2\/tags?post=128366"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}