{"id":2551,"date":"2015-04-09T17:10:56","date_gmt":"2015-04-09T14:10:56","guid":{"rendered":"http:\/\/www.esfaplastik.com\/?p=2551"},"modified":"2015-04-09T17:48:55","modified_gmt":"2015-04-09T14:48:55","slug":"polietilenleri-iyilestirmek-icin-katilan-maddeler","status":"publish","type":"post","link":"https:\/\/esfaplastik.com\/index.php\/polietilenleri-iyilestirmek-icin-katilan-maddeler\/","title":{"rendered":"Polietilenleri \u0130yile\u015ftirmek \u0130\u00e7in Kat\u0131lan Maddeler"},"content":{"rendered":"<p><strong>Polietilenleri \u0130yile\u015ftirmek \u0130\u00e7in Kat\u0131lan Maddeler<\/strong><br \/>\n<a href=\"https:\/\/esfaplastik.com\/index.php\/pe-polietilen\/\" title=\"PE \u2013 Polietilen\" target=\"_blank\">Polietilenlerin<\/a> \u00f6zelliklerini <strong>\u0130Y\u0130LE\u015eT\u0130RMEK<\/strong>, baz\u0131 etkilere kars\u0131 direncini ve dayan\u0131m\u0131n\u0131 art\u0131rmak i\u00e7in eritilerek bas\u0131n\u00e7 alt\u0131nda kar\u0131\u015ft\u0131rma y\u00f6ntemiyle a\u015fa\u011f\u0131daki kimyasal maddeler polietilenlerin i\u00e7ine kat\u0131l\u0131r.<br \/>\n <strong>OKS\u0130TLENMEY\u0130 \u00d6NLEY\u0130C\u0130LER<\/strong><br \/>\nBu t\u00fcr kimyasal maddeler genellikle fentlik yap\u0131da olup primary ve secondary antioksidant olarak iki gruba ayr\u0131l\u0131r. Primary oksidantlar di\u011fer bir deyi\u015fle radikal s\u00f6nd\u00fcr\u00fcc\u00fcler polietilenin \u0131s\u0131t\u0131lmas\u0131 s\u0131ras\u0131nda makromolek\u00fcl\u00fcn par\u00e7alanmas\u0131 ile ortaya \u00e7\u0131kan radikalleri etkisiz hale getirir, \u00e7o\u011falmas\u0131n\u0131 \u00f6nler. Secondary antioksidanlar ise polietilenin oksijenli ortamda bozunmas\u0131 ile olu\u015fan hidrosiperoksitleri par\u00e7alar ve bozunman\u0131n devam\u0131n\u0131 engeller. Bu iki oksidantlar <a href=\"https:\/\/esfaplastik.com\/index.php\/pe-polietilen\/\" title=\"PE \u2013 Polietilen\" target=\"_blank\">polietilenin<\/a> uzun s\u00fcre bozunmaya kars\u0131 diren\u00e7li olmas\u0131n\u0131 sa\u011flar.<br \/>\n <strong>UV KARARLILIK SA\u011eLAYICILAR<\/strong><br \/>\nG\u00fcne\u015f \u0131\u015f\u0131\u011f\u0131n\u0131n \u00fcltraviyole kesimi her t\u00fcrl\u00fc karbon \u2013 karbon ba\u011f\u0131na etki eder ve bu ba\u011f\u0131 zaman i\u00e7inde zay\u0131flatarak k\u0131r\u0131lmas\u0131na neden olur. Bunun \u00f6n\u00fcne ge\u00e7mek i\u00e7in polietilenin i\u00e7ine g\u00fcnesin bu etkisini polietilenden \u00f6nce so\u011furan kimyasal maddeler konur. Bu kimyasal maddeler; UV absorber ve UV quencher olmak \u00fczere iki grup alt\u0131nda toplan\u0131r.<br \/>\n <strong>KAYDIRICI VE BLOKLA\u015eMAYI \u00d6NLEY\u0130C\u0130LER<\/strong><br \/>\nKayd\u0131r\u0131c\u0131 olarak ya\u011f asitlerinin aminleri, BLOKLA\u015eMAYI \u00f6nleyici olarak da %90\u2019 \u0131n \u00fczerinde silisyum dioksit ihtiva eden inorganik bile\u015fikler kullan\u0131l\u0131r. BLOKLA\u015eMAYI \u00f6nleyici katk\u0131larda tane b\u00fcy\u00fckl\u00fc\u011f\u00fc da\u011f\u0131l\u0131m\u0131 ve maddenin ya\u011f absorpsiyonu \u00e7ok \u00f6nemlidir. Kayd\u0131r\u0131c\u0131 ile birlikte kullan\u0131lan blokla\u015fma \u00f6nleyicilerde ya\u011f absorbsiyonu \u00f6nemlidir.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Polietilenleri \u0130yile\u015ftirmek \u0130\u00e7in Kat\u0131lan Maddeler Polietilenlerin \u00f6zelliklerini \u0130Y\u0130LE\u015eT\u0130RMEK, baz\u0131 etkilere kars\u0131 direncini ve dayan\u0131m\u0131n\u0131 art\u0131rmak i\u00e7in eritilerek bas\u0131n\u00e7 alt\u0131nda kar\u0131\u015ft\u0131rma y\u00f6ntemiyle a\u015fa\u011f\u0131daki kimyasal maddeler polietilenlerin i\u00e7ine kat\u0131l\u0131r. OKS\u0130TLENMEY\u0130 \u00d6NLEY\u0130C\u0130LER Bu t\u00fcr kimyasal maddeler genellikle fentlik yap\u0131da olup primary ve secondary antioksidant olarak iki gruba ayr\u0131l\u0131r. Primary oksidantlar di\u011fer bir deyi\u015fle radikal s\u00f6nd\u00fcr\u00fcc\u00fcler polietilenin \u0131s\u0131t\u0131lmas\u0131 s\u0131ras\u0131nda [&hellip;]<\/p>\n","protected":false},"author":10,"featured_media":2404,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_mi_skip_tracking":false},"categories":[1],"tags":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v17.8 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<meta name=\"description\" content=\"OKS\u0130TLENMEY\u0130 \u00d6NLEY\u0130C\u0130LER, UV KARARLILIK SA\u011eLAYICILAR, KAYDIRICI VE BLOKLA\u015eMAYI \u00d6NLEY\u0130C\u0130LER\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/esfaplastik.com\/index.php\/polietilenleri-iyilestirmek-icin-katilan-maddeler\/\" \/>\n<meta property=\"og:locale\" content=\"tr_TR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Polietilenleri \u0130yile\u015ftirmek \u0130\u00e7in Kat\u0131lan Maddeler - 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