{"id":3326,"date":"2020-10-07T08:56:19","date_gmt":"2020-10-07T08:56:19","guid":{"rendered":"https:\/\/longchangchemical.com\/?p=3326"},"modified":"2026-04-28T10:41:47","modified_gmt":"2026-04-28T10:41:47","slug":"synthesis-and-usage-of-light-stabilizer-770","status":"publish","type":"post","link":"https:\/\/longchangchemical.com\/tr\/synthesis-and-usage-of-light-stabilizer-770\/","title":{"rendered":"I\u015f\u0131k Sabitleyici 770'in sentezi ve kullan\u0131m\u0131"},"content":{"rendered":"<h4 class=\"wp-block-heading\">Polimerler i\u015fleme ve kullan\u0131m s\u0131ras\u0131nda ka\u00e7\u0131n\u0131lmaz olarak g\u00fcne\u015f \u0131\u015f\u0131\u011f\u0131na veya g\u00fc\u00e7l\u00fc floresana maruz kal\u0131r, bu da fiziksel \u00f6zelliklerinde d\u00fc\u015f\u00fc\u015fe, sararmaya, renk de\u011fi\u015fikli\u011fine, k\u0131r\u0131lganl\u0131\u011fa ve \u015feffafl\u0131\u011f\u0131n azalmas\u0131na neden olur, bu sadece kullan\u0131m deneyimini etkilemekle kalmaz, ayn\u0131 zamanda ciddi sonu\u00e7lara da neden olabilir. Bu nedenle, polimer \u0131\u015f\u0131k ya\u015flanmas\u0131n\u0131n nas\u0131l \u00f6nlenece\u011fi, polimer malzemelerin \u00f6nemli bir ara\u015ft\u0131rma y\u00f6n\u00fc haline gelmi\u015ftir. \u015eu anda, polimerlere do\u011frudan \u00e7e\u015fitli \u0131\u015f\u0131k stabilizat\u00f6rleri eklemek, malzemelerin \u0131\u015f\u0131k stabilitesini iyile\u015ftirmek i\u00e7in en etkili y\u00f6ntemdir. Yayg\u0131n \u0131\u015f\u0131k stabilizat\u00f6rleri, etki mekanizmalar\u0131na g\u00f6re \u0131\u015f\u0131k koruyucu maddeler, ultraviyole emiciler, s\u00f6nd\u00fcr\u00fcc\u00fcler ve engellenmi\u015f amin \u0131\u015f\u0131k stabilizat\u00f6rleri olarak ayr\u0131labilir. Bunlar aras\u0131nda, engellenmi\u015f amin \u0131\u015f\u0131k stabilizat\u00f6rleri y\u00fcksek verimlilik, k\u00fc\u00e7\u00fck ekleme miktar\u0131 ve \u00fcr\u00fcnler \u00fczerinde daha az etki avantajlar\u0131na sahiptir. Bu y\u00fczden insanlar\u0131n be\u011fenisini kazanm\u0131\u015ft\u0131r. Engellenmi\u015f amin \u0131\u015f\u0131k stabilizat\u00f6rleri temel olarak d\u00f6rt yolla etki eder: hidroperoksidi ayr\u0131\u015ft\u0131rmak, uyar\u0131lm\u0131\u015f oksijeni s\u00f6nd\u00fcrmek, serbest radikalleri yakalamak ve polimerlerin \u0131\u015f\u0131k stabilitesini etkili bir \u015fekilde art\u0131rabilen kendilerini yenilemek.<\/h4>\n\n<!-- lc-qa-start -->\n<p><strong>Quick answer:<\/strong> A practical stabilization strategy starts with the degradation risk first, then screens the additive package around processing conditions, service life, and appearance requirements.<\/p>\n<!-- lc-qa-end -->\n\n\n\n\n\n\n<h4 class=\"wp-block-heading\">Engellenmi\u015f amin \u0131\u015f\u0131k stabilizat\u00f6rlerinin \u00e7ok temsili bir t\u00fcr\u00fc, 2,2,6,6-tetrametil-4-piperidinil, 1972, \u0130svi\u00e7re Ciba-Geigy (Ciba-Geigy) ve Japon Sankyo \u015firketinin ortakla\u015fa geli\u015ftirdi\u011fi ve ara\u015ft\u0131rd\u0131\u011f\u0131 ve 1.200 organik amin bile\u015fi\u011finin taranmas\u0131 yoluyla iki temsili I\u015f\u0131k Stabilizat\u00f6r\u00fc 744 ve I\u015f\u0131k Stabilizat\u00f6r\u00fc 770 \u00e7e\u015fidini elde eden sterik engellemeli bir organik amin bile\u015fi\u011fidir. I\u015f\u0131k Sabitleyici 770 re\u00e7ine ile iyi uyumlulu\u011fa, renklendirmeye, d\u00fc\u015f\u00fck toksisiteye ve iyi \u0131\u015f\u0131k stabilizasyon etkisine sahiptir. Etkili bir \u0131\u015f\u0131k stabilizat\u00f6r\u00fc olarak PP, PE, PVC, PS, ABS re\u00e7inesi ve di\u011fer malzemelerde yayg\u0131n olarak kullan\u0131lmaktad\u0131r. \u015eu anda, \u0131\u015f\u0131k stabilizat\u00f6r\u00fc 770'in uygulanmas\u0131 hakk\u0131nda bir\u00e7ok rapor vard\u0131r, ancak sentez s\u00fcreci, \u00f6zellikle de s\u00fcrecin \u00fcr\u00fcn yap\u0131s\u0131 ve bile\u015fenleri \u00fczerindeki etkisi \u00fczerine yap\u0131lan ara\u015ft\u0131rmalar daha azd\u0131r. Bu makalede, 770'in sentezi tart\u0131\u015f\u0131lacakt\u0131r. <strong><a rel=\"noreferrer noopener\" href=\"https:\/\/longchangchemical.com\/tr\/product\/light-stabilizer-770-tinuvin-770-cas-52829-07-9\/\" target=\"_blank\">\u0131\u015f\u0131k dengeleyici 770<\/a><\/strong>esas olarak farkl\u0131 y\u00f6ntemlerin, \u00e7\u00f6z\u00fcc\u00fclerin, kataliz\u00f6r tiplerinin, i\u015flem sonras\u0131 s\u00fcre\u00e7lerin vb. d\u00f6n\u00fc\u015f\u00fcm oran\u0131 ve \u00fcr\u00fcn performans\u0131 \u00fczerindeki etkisini i\u00e7erir.<\/h4>\n\n\n\n<h4 class=\"wp-block-heading\">Genel olarak kullan\u0131lan sentetik yol, \u015fekilde g\u00f6sterildi\u011fi gibi \u0131\u015f\u0131k stabilizat\u00f6r\u00fc 770'i elde etmek i\u00e7in dehidrasyon ve esterle\u015fmeyi do\u011frudan reaksiyona sokmak i\u00e7in sebasik asit ve tetrametilpiperidol kullanmakt\u0131r. Bir \u00e7\u00f6z\u00fcc\u00fc eklenip eklenmedi\u011fine g\u00f6re, y\u0131\u011f\u0131n y\u00f6ntemi ve \u00e7\u00f6z\u00fcc\u00fc y\u00f6ntemi olarak ikiye ayr\u0131labilir. <\/h4>\n\n\n\n<h4 class=\"wp-block-heading\">1. Y\u0131\u011f\u0131n y\u00f6nteminde, reaksiyon kab\u0131na belirli bir oranda sebasik asit, tetrametilpiperidinol ve kataliz\u00f6r eklenir ve \u0131s\u0131t\u0131l\u0131r ve hammaddelerin kendileri reaksiyon i\u00e7in bir \u00e7\u00f6z\u00fcc\u00fc olarak eriyecektir. Reaksiyondan sonra, \u00fcr\u00fcn su veya \u00e7\u00f6z\u00fcc\u00fc ile y\u0131kan\u0131r ve \u0131\u015f\u0131k stabilizat\u00f6r\u00fc 770'i elde etmek i\u00e7in yeniden kristalle\u015ftirilir.<\/h4>\n\n\n\n<h4 class=\"wp-block-heading\">Kataliz\u00f6r se\u00e7iminin reaksiyon \u00fczerinde \u00e7ok \u00f6nemli bir etkisi vard\u0131r. Uygun bir kataliz\u00f6r, reaksiyon merkezinin aktivitesini art\u0131rabilir ve reaksiyon h\u0131z\u0131n\u0131 h\u0131zland\u0131rabilir. Genel \u00e7al\u0131\u015fmalar, p-toluens\u00fclfonik asit ve ftalat esterlerin esterle\u015ftirme i\u00e7in y\u00fcksek katalitik verimlili\u011fe sahip oldu\u011funu g\u00f6stermi\u015ftir, ancak \u0131\u015f\u0131k stabilizat\u00f6r\u00fc 770 sentezinde kullan\u0131ld\u0131\u011f\u0131nda, her ikisinin de verimi, esas olarak sistem nedeniyle 70%'den daha azd\u0131r Hammadde tetrametilpiperidinol\u00fcn s\u00fcblimle\u015fmesi kolayd\u0131r, bu da hammaddelerin d\u00f6n\u00fc\u015f\u00fcm oran\u0131n\u0131 etkiler. Buna ek olarak, reaksiyon s\u0131cakl\u0131\u011f\u0131 \u00e7ok y\u00fcksek olmamal\u0131d\u0131r, bu da \u00fcretilen suyun \u00e7\u0131kar\u0131lmas\u0131n\u0131 zorla\u015ft\u0131r\u0131r, bu da ftalat ester kataliz\u00f6r\u00fc ile reaksiyona girerek onu etkisiz hale getirir. Bu nedenle, ara\u015ft\u0131rmac\u0131lar iyile\u015ftirmek i\u00e7in solvent y\u00f6ntemini ara\u015ft\u0131rd\u0131lar.<\/h4>\n\n\n\n<figure class=\"wp-block-image size-large\"><img decoding=\"async\" width=\"846\" height=\"596\" src=\"https:\/\/longchangchemical.com\/wp-content\/uploads\/2020\/10\/1-1.png\" alt=\"\" class=\"wp-image-3327\" srcset=\"https:\/\/longchangchemical.com\/wp-content\/uploads\/2020\/10\/1-1.png 846w, https:\/\/longchangchemical.com\/wp-content\/uploads\/2020\/10\/1-1-300x211.png 300w, https:\/\/longchangchemical.com\/wp-content\/uploads\/2020\/10\/1-1-768x541.png 768w, https:\/\/longchangchemical.com\/wp-content\/uploads\/2020\/10\/1-1-600x423.png 600w\" sizes=\"(max-width: 846px) 100vw, 846px\" \/><\/figure>\n\n\n\n<h4 class=\"wp-block-heading\">2. \u00c7\u00f6z\u00fcc\u00fc y\u00f6ntemi, yukar\u0131daki reaksiyon temelinde organik \u00e7\u00f6z\u00fcc\u00fc eklemektir. Reaksiyondan sonra \u00e7\u00f6z\u00fcc\u00fc buharla\u015ft\u0131r\u0131l\u0131r ve \u00fcr\u00fcn i\u015flenir. Y\u0131\u011f\u0131n y\u00f6ntemi ile kar\u015f\u0131la\u015ft\u0131r\u0131ld\u0131\u011f\u0131nda, \u00e7\u00f6z\u00fcc\u00fc y\u00f6nteminin reaktanlar\u0131n erime s\u0131cakl\u0131\u011f\u0131na ula\u015fmas\u0131na gerek yoktur, sistemin reaksiyon s\u0131cakl\u0131\u011f\u0131n\u0131 d\u00fc\u015f\u00fcr\u00fcr ve s\u00fcblimasyon olay\u0131n\u0131 azalt\u0131r. Ayn\u0131 zamanda, solvent geri ak\u0131\u015f i\u015flemi s\u0131ras\u0131nda sistemdeki su d\u0131\u015far\u0131 al\u0131nabilir ve s\u00fcblimle\u015fmi\u015f hammaddelerin bir k\u0131sm\u0131 geri getirilebilir.<\/h4>\n\n\n\n<h4 class=\"wp-block-heading\">Farkl\u0131 \u00e7\u00f6z\u00fcc\u00fcler ara\u015ft\u0131r\u0131ld\u0131ktan sonra, 100 \u00b0C'nin alt\u0131ndaki petrol eteri ve n-heptan\u0131n d\u00fc\u015f\u00fck verimlili\u011fe sahip oldu\u011fu bulunmu\u015ftur. Y\u00fcksek kaynama noktal\u0131 toluen ve ksilen y\u00fcksek d\u00f6n\u00fc\u015f\u00fcm oranlar\u0131na ula\u015fabilse de yine de yetersizdir ve y\u00fcksek kaynama noktalar\u0131na sahiptir. \u00c7\u00f6z\u00fcc\u00fc sonras\u0131 i\u015flem de daha zordur.<\/h4>\n\n\n\n<h4 class=\"wp-block-heading\">Ara\u015ft\u0131rmac\u0131lar a\u015fa\u011f\u0131daki \u015fekilde g\u00f6sterilen transesterifikasyon reaksiyon yolunu ke\u015ffetmeye devam ettiler. Dimetil sebasat ve tetrametilpiperidinol reaksiyonu daha d\u00fc\u015f\u00fck bir s\u0131cakl\u0131kta ger\u00e7ekle\u015ftirilebilir. \u00c7\u00f6z\u00fcc\u00fc olarak n-heptan kullan\u0131m\u0131, reaksiyon Metanol\u00fcn\u00fc ortadan kald\u0131rmak i\u00e7in faydal\u0131d\u0131r. Farkl\u0131 kataliz\u00f6rler y\u00fcksek katalitik verimlili\u011fe sahiptir, bunlar\u0131n aras\u0131nda sodyum kataliz\u00f6rler 99.8%'lik bir d\u00f6n\u00fc\u015f\u00fcm oran\u0131 elde etmi\u015ftir. Hammadde oran\u0131n\u0131n reaksiyon \u00fczerindeki etkisini daha fazla ara\u015ft\u0131rd\u0131ktan sonra, tetrametilpiperidinol\u00fcn sebasik aside molar oran\u0131 2.0: 1 oldu\u011funda, d\u00f6n\u00fc\u015f\u00fcm oran\u0131n\u0131n en y\u00fcksek oldu\u011fu ve oran\u0131 art\u0131rmaya devam etmenin fazla hammaddelerin daha sonra \u00e7\u0131kar\u0131lmas\u0131na elveri\u015fli olmad\u0131\u011f\u0131 bulunmu\u015ftur.<\/h4>\n\n\n\n<figure class=\"wp-block-image size-large\"><img decoding=\"async\" width=\"853\" height=\"539\" src=\"https:\/\/longchangchemical.com\/wp-content\/uploads\/2020\/10\/2-1.png\" alt=\"\" class=\"wp-image-3328\" srcset=\"https:\/\/longchangchemical.com\/wp-content\/uploads\/2020\/10\/2-1.png 853w, https:\/\/longchangchemical.com\/wp-content\/uploads\/2020\/10\/2-1-300x190.png 300w, https:\/\/longchangchemical.com\/wp-content\/uploads\/2020\/10\/2-1-768x485.png 768w, https:\/\/longchangchemical.com\/wp-content\/uploads\/2020\/10\/2-1-600x379.png 600w\" sizes=\"(max-width: 853px) 100vw, 853px\" \/><\/figure>\n\n\n\n<h4 class=\"wp-block-heading\">Son olarak, yukar\u0131daki ke\u015fiflere dayanarak kendi yap\u0131m\u0131m\u0131z bir \u0131\u015f\u0131k dengeleyici 770 (770 ZZ) haz\u0131rlanm\u0131\u015f ve ticari \u00fcr\u00fcnle (770 DF) kar\u015f\u0131la\u015ft\u0131r\u0131lm\u0131\u015ft\u0131r. A\u015fa\u011f\u0131daki \u015fekil ikisinin k\u0131z\u0131l\u00f6tesi spektrumudur. G\u00f6r\u00fclebilece\u011fi \u00fczere 770 DF ve 770 ZZ'nin karakteristik absorpsiyon pikleri temelde ayn\u0131d\u0131r ve ba\u015fka hi\u00e7bir safs\u0131zl\u0131k piki yoktur, bu da kendi kendine yap\u0131lan 770 \u0131\u015f\u0131k stabilizat\u00f6r\u00fcn\u00fcn yap\u0131s\u0131n\u0131n ticari \u00fcr\u00fcnle tutarl\u0131 oldu\u011funu ve iyi bir safl\u0131\u011fa sahip oldu\u011funu g\u00f6sterir.<\/h4>\n\n\n\n<figure class=\"wp-block-image size-large\"><img decoding=\"async\" width=\"852\" height=\"685\" src=\"https:\/\/longchangchemical.com\/wp-content\/uploads\/2020\/10\/3-1.png\" alt=\"\" class=\"wp-image-3329\" srcset=\"https:\/\/longchangchemical.com\/wp-content\/uploads\/2020\/10\/3-1.png 852w, https:\/\/longchangchemical.com\/wp-content\/uploads\/2020\/10\/3-1-300x241.png 300w, https:\/\/longchangchemical.com\/wp-content\/uploads\/2020\/10\/3-1-768x617.png 768w, https:\/\/longchangchemical.com\/wp-content\/uploads\/2020\/10\/3-1-600x482.png 600w\" sizes=\"(max-width: 852px) 100vw, 852px\" \/><\/figure>\n\n\n\n<h4 class=\"wp-block-heading\">A\u015fa\u011f\u0131daki \u015fekil termogravimetrik e\u011fridir. Su ile y\u0131kanmam\u0131\u015f olan \u0131\u015f\u0131k stabilizat\u00f6r\u00fc 770'in termal stabilitesi zay\u0131ft\u0131r. \u00dcr\u00fcn\u00fcn y\u00fcksek s\u0131cakl\u0131kta esterle\u015fme reaksiyonunun ters reaksiyonuna girmesine neden olan kataliz\u00f6r kal\u0131nt\u0131s\u0131 olabilir. \u0130\u015flenmi\u015f \u00fcr\u00fcn\u00fcn termal kararl\u0131l\u0131\u011f\u0131, \u00e7o\u011fu \u00fcr\u00fcn\u00fcn i\u015fleme gereksinimlerini kar\u015f\u0131layabilen ticari \u00fcr\u00fcnlerinkinden \u00e7ok farkl\u0131 de\u011fildir.<\/h4>\n\n\n\n<figure class=\"wp-block-image size-large\"><img decoding=\"async\" width=\"855\" height=\"647\" src=\"https:\/\/longchangchemical.com\/wp-content\/uploads\/2020\/10\/4-1.png\" alt=\"\" class=\"wp-image-3330\" srcset=\"https:\/\/longchangchemical.com\/wp-content\/uploads\/2020\/10\/4-1.png 855w, https:\/\/longchangchemical.com\/wp-content\/uploads\/2020\/10\/4-1-300x227.png 300w, https:\/\/longchangchemical.com\/wp-content\/uploads\/2020\/10\/4-1-768x581.png 768w, https:\/\/longchangchemical.com\/wp-content\/uploads\/2020\/10\/4-1-600x454.png 600w\" sizes=\"(max-width: 855px) 100vw, 855px\" \/><\/figure>\n\n\n\n<h4 class=\"wp-block-heading\">Son olarak, ara\u015ft\u0131rmac\u0131lar kendi yap\u0131mlar\u0131 olan 770 \u0131\u015f\u0131k dengeleyicinin anti-ultraviyole performans\u0131n\u0131 test etmi\u015flerdir. ABS \u00fczerinde 672 saatlik UV \u0131\u015f\u0131nlamas\u0131ndan sonra, 0,3 k\u0131s\u0131m 770 DF i\u00e7eren kartelan\u0131n rengi, 0,3 k\u0131s\u0131m 770 ZZ i\u00e7eren kartelan\u0131n renginden biraz daha koyuydu. I\u015f\u0131k dengeleyici 770 biraz daha iyi UV direncine sahiptir. Bu durum, kendi kendine yap\u0131lan \u00fcr\u00fcnlerin tamamen uzakla\u015ft\u0131r\u0131lamayan az miktarda monoester i\u00e7ermesine neden olabilir ve bu da 770'in da\u011f\u0131lmas\u0131 i\u00e7in faydal\u0131d\u0131r. \u00d6zetle, ara\u015ft\u0131rmac\u0131n\u0131n kendi \u00fcretti\u011fi \u0131\u015f\u0131k stabilizat\u00f6r\u00fc 770'in performans\u0131 ticari \u00fcr\u00fcnlerden \u00e7ok az farkl\u0131l\u0131k g\u00f6stermektedir. \u00dcretim s\u00fcrecini etkileyen fakt\u00f6rler ba\u015far\u0131l\u0131 bir \u015fekilde ara\u015ft\u0131r\u0131lm\u0131\u015f ve daha y\u00fcksek verime sahip bir rota elde edilmi\u015ftir.<\/h4>\n\n\n\n<h4 class=\"wp-block-heading\"><strong>\u015eimdi Bize Ula\u015f\u0131n!<\/strong><\/h4>\n\n\n\n<h4 class=\"wp-block-heading\">\u00d6zelle\u015ftirilmi\u015f hizmetleri kabul ediyoruz, genellikle 24 saat i\u00e7inde sizinle ileti\u015fime ge\u00e7ece\u011fiz. Bana e-posta da g\u00f6nderebilirsiniz <strong>info@longchangchemical.com<\/strong> \u00c7al\u0131\u015fma saatleri i\u00e7inde (8:30 - 6:00 UTC+8 Pzt.~Sat.) veya h\u0131zl\u0131 yan\u0131t almak i\u00e7in web sitesi canl\u0131 sohbetini kullan\u0131n.<\/h4>\n\n\n\n<h4 class=\"wp-block-heading\">Bu makale Longchang Kimya Ar-Ge Departman\u0131 taraf\u0131ndan yaz\u0131lm\u0131\u015ft\u0131r. Kopyalaman\u0131z ve yeniden basman\u0131z gerekiyorsa, l\u00fctfen kayna\u011f\u0131 belirtin<\/h4>\n\n\n<!-- lc-commercial-start -->\n<h2>A practical selection route for antioxidant, UV absorber, and HALS packages<\/h2>\n<p>Most stabilizer decisions work best when they are treated as package decisions rather than single-product decisions. Technical buyers usually get the strongest answer by reviewing long-term heat aging, process stability, weather exposure, and color sensitivity together.<\/p>\n<ul>\n<li><strong>Separate processing protection from long-term stability:<\/strong> the best additive for melt history is not always the same one that gives the best service-life retention.<\/li>\n<li><strong>Use synergy deliberately:<\/strong> many polymer and coating systems perform best when primary and secondary stabilizers are paired intentionally.<\/li>\n<li><strong>Review color and clarity requirements:<\/strong> clear, pale, food-contact, or white systems often need a tighter package than dark industrial products.<\/li>\n<li><strong>Check the real aging condition:<\/strong> heat, UV, humidity, and outdoor exposure can each change which stabilizer route is commercially strongest.<\/li>\n<\/ul>\n<h3>Recommended product references<\/h3>\n<ul>\n<li><strong><a href=\"https:\/\/longchangchemical.com\/tr\/product\/light-stabilizer-123-tinuvin-123-cas-129757-67-1\/\">CHLUMILS UV-123<\/a>:<\/strong> A strong HALS reference for weatherability-focused screens in coatings and polymers.<\/li>\n<li><strong><a href=\"https:\/\/longchangchemical.com\/tr\/product\/uv-5151-cas-104810-48-2\/\">CHLUMILS UV-5151<\/a>:<\/strong> A practical stabilizer-package reference when broader light-aging protection is needed.<\/li>\n<li><strong><a href=\"https:\/\/longchangchemical.com\/tr\/product\/acetyl-tributyl-citrate-cas-77-90-7\/\">CHLUMIFLEX ATBC<\/a>:<\/strong> A practical non-phthalate plasticizer reference for application and compliance screens.<\/li>\n<li><strong><a href=\"https:\/\/longchangchemical.com\/tr\/product\/dotp-cas-6422-86-2\/\">CHLUMIFLEX DOTP<\/a>:<\/strong> A standard terephthalate-plasticizer benchmark in flexible-plastics applications.<\/li>\n<\/ul>\n<h3>FAQ for buyers and formulators<\/h3>\n<p><strong>Why are stabilizer packages often stronger than a single additive?<\/strong><br \/>Because different products can protect different parts of the degradation pathway, so the package often covers more risk than one grade alone.<\/p>\n<p><strong>Does adding more antioxidant or UV stabilizer always improve performance?<\/strong><br \/>Not necessarily. Over-dosing can increase cost and sometimes create side effects, so most systems perform best inside a tested dosage window.<\/p>\n<!-- lc-commercial-end -->","protected":false},"excerpt":{"rendered":"<p>Polymers are inevitably exposed to sunlight or strong fluorescence during processing and use, resulting in a decline in their physical properties, yellowing, discoloration, embrittlement, and decreased transparency, which will not<\/p>","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[],"class_list":["post-3326","post","type-post","status-publish","format-standard","hentry","category-uncategorized"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v25.3.1 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Synthesis and usage of Light Stabilizer 770 - Longchang Chemical<\/title>\n<meta name=\"description\" content=\"Polymers are inevitably exposed to sunlight or strong fluorescence during processing and use, resulting in a decline in their physical properties, yello...\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/longchangchemical.com\/tr\/synthesis-and-usage-of-light-stabilizer-770\/\" \/>\n<meta property=\"og:locale\" content=\"tr_TR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Synthesis and usage of Light Stabilizer 770 - 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