{"id":868,"date":"2023-07-20T16:32:21","date_gmt":"2023-07-20T16:32:21","guid":{"rendered":"https:\/\/chemuza.org\/tr\/metilen-difenil-diizosiyanat-c15h10n2o2\/"},"modified":"2023-07-20T16:32:21","modified_gmt":"2023-07-20T16:32:21","slug":"metilen-difenil-diizosiyanat-c15h10n2o2","status":"publish","type":"post","link":"https:\/\/chemuza.org\/tr\/metilen-difenil-diizosiyanat-c15h10n2o2\/","title":{"rendered":"Metilen difenil diizosiyanat \u2013 c15h10n2o2"},"content":{"rendered":"<p>Metilen difenil diizosiyanat (MDI), poli\u00fcretan k\u00f6p\u00fcklerin, kaplamalar\u0131n ve yap\u0131\u015ft\u0131r\u0131c\u0131lar\u0131n \u00fcretiminde kullan\u0131lan kimyasal bir bile\u015fiktir. Reaktivitesi ve \u00e7ok y\u00f6nl\u00fcl\u00fc\u011f\u00fc nedeniyle end\u00fcstriyel uygulamalar\u0131 \u00e7e\u015fitlidir.<\/p>\n<figure class=\"wp-block-table\">\n<table>\n<tbody>\n<tr>\n<td> IUPAC Ad\u0131<\/td>\n<td> 4,4&#8242;-metilenbis (fenil izosiyanat)<\/td>\n<\/tr>\n<tr>\n<td> Molek\u00fcler form\u00fcl<\/td>\n<td> C15H10N2O2<\/td>\n<\/tr>\n<tr>\n<td> CAS numaras\u0131<\/td>\n<td> 101-68-8<\/td>\n<\/tr>\n<tr>\n<td> E\u015f anlaml\u0131<\/td>\n<td> MDI, difenilmetan-4,4&#8242;-diizosiyanat, 4,4&#8242;-metilenbis (sikloheksil izosiyanat)<\/td>\n<\/tr>\n<tr>\n<td> InChI<\/td>\n<td> InChI=1S\/C15H10N2O2\/c18-14-8-6-13(7-9-14)16-12-17-15-10-4-2-1-3-5-11-15\/h1-11H<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/figure>\n<h2 class=\"wp-block-heading\"> <strong>Metilen difenilin \u00f6zellikleri<\/strong><\/h2>\n<h3 class=\"wp-block-heading\"> Metilen Difenil Diizosiyanat Form\u00fcl\u00fc<\/h3>\n<p> Metilen difenil diizosiyanat\u0131n form\u00fcl\u00fc C15H10N2O2&#8217;dir. Bile\u015fi\u011fin kimyasal bile\u015fimini temsil eder ve her molek\u00fclde bulunan atomlar\u0131n say\u0131s\u0131n\u0131 ve t\u00fcr\u00fcn\u00fc g\u00f6sterir.<\/p>\n<h3 class=\"wp-block-heading\"> Metilen Difenil Diizosiyanat Molar K\u00fctlesi<\/h3>\n<p> Difenilmetan-4,4\u2032-diizosiyanat\u0131n molar k\u00fctlesi, onu olu\u015fturan elementlerin atomik k\u00fctleleri toplanarak hesaplan\u0131r. Bu, mol ba\u015f\u0131na yakla\u015f\u0131k 250,25 gramd\u0131r (g\/mol).<\/p>\n<h3 class=\"wp-block-heading\"> Metilen difenil diizosiyanat\u0131n kaynama noktas\u0131<\/h3>\n<p> Difenilmetan-4,4&#8242;-diizosiyanat\u0131n kaynama noktas\u0131, s\u0131v\u0131 fazdan gaz faz\u0131na ge\u00e7ti\u011fi s\u0131cakl\u0131kt\u0131r. Kaynama noktas\u0131 267 ila 270 santigrat derece (513 ila 518 Fahrenheit) civar\u0131ndad\u0131r.<\/p>\n<h3 class=\"wp-block-heading\"> Metilen difenil diizosiyanat Erime noktas\u0131<\/h3>\n<p> Difenilmetan-4,4&#8242;-diizosiyanat\u0131n erime noktas\u0131, kat\u0131 fazdan s\u0131v\u0131 faza ge\u00e7ti\u011fi s\u0131cakl\u0131kt\u0131r. Tipik olarak 39 ila 42 santigrat derece (102 ila 108 Fahrenheit) aras\u0131nda erir.<\/p>\n<h3 class=\"wp-block-heading\"> Metilen difenil diizosiyanat\u0131n yo\u011funlu\u011fu g\/mL<\/h3>\n<p> Difenilmetan-4,4&#8242;-diizosiyanat\u0131n yo\u011funlu\u011fu, birim hacim ba\u015f\u0131na k\u00fctlesini ifade eder. Yo\u011funlu\u011fu mililitre ba\u015f\u0131na yakla\u015f\u0131k 1,24 ila 1,26 gramd\u0131r (g\/mL).<\/p>\n<h3 class=\"wp-block-heading\"> Metilen Difenil Diizosiyanat Molek\u00fcl A\u011f\u0131rl\u0131\u011f\u0131<\/h3>\n<p> Difenilmetan-4,4\u2032-diizosiyanat\u0131n molek\u00fcler a\u011f\u0131rl\u0131\u011f\u0131, kendisini olu\u015fturan atomlar\u0131n atom a\u011f\u0131rl\u0131klar\u0131n\u0131n toplam\u0131d\u0131r. Bu, mol ba\u015f\u0131na yakla\u015f\u0131k 250,25 gramd\u0131r (g\/mol).<\/p>\n<h3 class=\"wp-block-heading\"> Metilen difenil diizosiyanat\u0131n yap\u0131s\u0131 <\/h3>\n<div class=\"wp-block-image\">\n<figure class=\"alignright size-large\"><img decoding=\"async\" src=\"https:\/\/chemuza.org\/wp-content\/uploads\/2023\/08\/MDI.jpg\" alt=\"Metilen difenil diizosiyanat\" srcset=\"\" sizes=\"\"><\/figure>\n<\/div>\n<p> Difenilmetan-4,4\u2032-diizosiyanat\u0131n yap\u0131s\u0131, bir metilen k\u00f6pr\u00fcs\u00fc (-CH2-) ile iki izosiyanat fonksiyonel grubu (-NCO) ile ba\u011flanan iki fenil grubundan olu\u015fur. Bu d\u00fczenleme ona benzersiz kimyasal \u00f6zelliklerini verir.<\/p>\n<h3 class=\"wp-block-heading\"> Metilen difenil diizosiyanat\u0131n \u00e7\u00f6z\u00fcn\u00fcrl\u00fc\u011f\u00fc<\/h3>\n<p> Difenilmetan-4,4&#8242;-diizosiyanat\u0131n suda \u00e7\u00f6z\u00fcn\u00fcrl\u00fc\u011f\u00fc s\u0131n\u0131rl\u0131d\u0131r, ancak aseton, etil asetat ve toluen gibi bir\u00e7ok organik \u00e7\u00f6z\u00fcc\u00fcde \u00e7\u00f6z\u00fcn\u00fcr. \u00c7\u00f6z\u00fcn\u00fcrl\u00fc\u011f\u00fc s\u0131cakl\u0131\u011fa ve kullan\u0131lan \u00e7\u00f6z\u00fcc\u00fcye ba\u011fl\u0131 olarak de\u011fi\u015fir.<\/p>\n<figure class=\"wp-block-table\">\n<table>\n<tbody>\n<tr>\n<td> D\u0131\u015f g\u00f6r\u00fcn\u00fc\u015f<\/td>\n<td> Renksiz ila a\u00e7\u0131k sar\u0131 s\u0131v\u0131<\/td>\n<\/tr>\n<tr>\n<td> Spesifik yer \u00e7ekimi<\/td>\n<td> 1,24 \u2013 1,26 g\/mL<\/td>\n<\/tr>\n<tr>\n<td> Renk<\/td>\n<td> Renksizden a\u00e7\u0131k sar\u0131ya<\/td>\n<\/tr>\n<tr>\n<td> Koku<\/td>\n<td> D\u00f6n\u00fcm<\/td>\n<\/tr>\n<tr>\n<td> Molar k\u00fctle<\/td>\n<td> 250,25 gr\/mol<\/td>\n<\/tr>\n<tr>\n<td> Yo\u011funluk<\/td>\n<td> 1,24 \u2013 1,26 g\/mL<\/td>\n<\/tr>\n<tr>\n<td> F\u00fczyon noktas\u0131<\/td>\n<td> 39 \u2013 42\u00b0C (102 \u2013 108\u00b0F)<\/td>\n<\/tr>\n<tr>\n<td> Kaynama noktas\u0131<\/td>\n<td> 267 \u2013 270\u00b0C (513 \u2013 518\u00b0F)<\/td>\n<\/tr>\n<tr>\n<td> Fla\u015f noktas\u0131<\/td>\n<td> 160\u00b0C (320\u00b0F)<\/td>\n<\/tr>\n<tr>\n<td> sudaki \u00e7\u00f6z\u00fcn\u00fcrl\u00fck<\/td>\n<td> S\u0131n\u0131r<\/td>\n<\/tr>\n<tr>\n<td> \u00e7\u00f6z\u00fcn\u00fcrl\u00fck<\/td>\n<td> Organik \u00e7\u00f6z\u00fcc\u00fclerde \u00e7\u00f6z\u00fcn\u00fcr<\/td>\n<\/tr>\n<tr>\n<td> Buhar bas\u0131nc\u0131<\/td>\n<td> 25\u00b0C&#8217;de 0,1 mmHg<\/td>\n<\/tr>\n<tr>\n<td> Buhar yo\u011funlu\u011fu<\/td>\n<td> 8,6 (hava = 1)<\/td>\n<\/tr>\n<tr>\n<td> pKa<\/td>\n<td> ~14.0<\/td>\n<\/tr>\n<tr>\n<td> pH<\/td>\n<td> Uygulanamaz<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/figure>\n<h2 class=\"wp-block-heading\"> <strong>Metilen Difenil Diizosiyanat\u0131n G\u00fcvenli\u011fi ve Tehlikeleri<\/strong><\/h2>\n<p> Difenilmetan-4,4&#8242;-diizosiyanat \u00e7e\u015fitli g\u00fcvenlik ve tehlike endi\u015feleri do\u011furmaktad\u0131r. G\u00fc\u00e7l\u00fc bir cilt ve solunum yolu hassasla\u015ft\u0131r\u0131c\u0131s\u0131d\u0131r ve baz\u0131 ki\u015filerde temas veya soluma yoluyla alerjik reaksiyonlara neden olur. Do\u011frudan maruz kalma ciltte tahri\u015fe, k\u0131zar\u0131kl\u0131\u011fa ve kimyasal yan\u0131klara neden olabilir. Buharlar\u0131n\u0131n solunmas\u0131 solunum yolu tahri\u015fine, \u00f6ks\u00fcr\u00fc\u011fe ve nefes almada zorlu\u011fa neden olabilir. Eldiven, g\u00f6zl\u00fck ve solunum cihaz\u0131 gibi uygun koruyucu ekipman giyerek MDI&#8217;yi dikkatli bir \u015fekilde kullanmak \u00f6nemlidir. MDI kullan\u0131lan alanlarda buhar birikimini \u00f6nlemek i\u00e7in yeterli havaland\u0131rma sa\u011flanmal\u0131d\u0131r. D\u00f6k\u00fclmeler derhal temizlenmeli ve at\u0131klar\u0131n imhas\u0131 \u00e7evre kirlili\u011fini \u00f6nlemek i\u00e7in ge\u00e7erli d\u00fczenlemelere uygun olmal\u0131d\u0131r.<\/p>\n<figure class=\"wp-block-table\">\n<table>\n<tbody>\n<tr>\n<td> Tehlike sembolleri<\/td>\n<td> Tahri\u015f edici, Sa\u011fl\u0131k tehlikesi<\/td>\n<\/tr>\n<tr>\n<td> G\u00fcvenlik A\u00e7\u0131klamas\u0131<\/td>\n<td> Depozito ile i\u015flem yap\u0131n. Cilt ve g\u00f6zlerle do\u011frudan temas\u0131ndan ka\u00e7\u0131n\u0131n. \u0130yi havaland\u0131r\u0131lm\u0131\u015f alanlarda kullan\u0131n. Uygun \u015fekilde imha edin.<\/td>\n<\/tr>\n<tr>\n<td> BM kimlik numaralar\u0131<\/td>\n<td> BM 2278<\/td>\n<\/tr>\n<tr>\n<td> HS kodu<\/td>\n<td> 2929.10.00<\/td>\n<\/tr>\n<tr>\n<td> Tehlike s\u0131n\u0131f\u0131<\/td>\n<td> 6.1 (Zehirli maddeler)<\/td>\n<\/tr>\n<tr>\n<td> Paketleme grubu<\/td>\n<td> III<\/td>\n<\/tr>\n<tr>\n<td> Toksisite<\/td>\n<td> Alerjik reaksiyonlara neden olabilir ve cildi, g\u00f6zleri ve solunum sistemini tahri\u015f edebilir.<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/figure>\n<h2 class=\"wp-block-heading\"> <strong>Metilen difenil diizosiyanat\u0131n sentezi i\u00e7in y\u00f6ntemler<\/strong><\/h2>\n<p> Farkl\u0131 y\u00f6ntemler difenilmetan-4,4\u2032-diizosiyanat\u0131n (MDI) sentezine izin verir.<\/p>\n<p> Difenilmetan-4,4\u2032-diizosiyanat\u0131n (MDI) sentezlenmesine y\u00f6nelik yayg\u0131n bir y\u00f6ntem, <a href=\"https:\/\/chemuza.org\/tr\/anilin-c6h5nh2\/\">anilin<\/a> ve <a href=\"https:\/\/chemuza.org\/tr\/metan-formaldehit-h2co\/\">formaldehit<\/a> aras\u0131ndaki reaksiyonu ve ard\u0131ndan fosgenasyonu i\u00e7erir. Bu reaksiyon, 4,4&#8242;-metilendiamin (MDA) ve izomerlerinin bir kar\u0131\u015f\u0131m\u0131n\u0131 olu\u015fturur ve bunlar daha sonra fosgen ile reaksiyona girerek MDI&#8217;yi verir.<\/p>\n<p> Ba\u015fka bir y\u00f6ntem, bir ara madde olarak MDA \u00fcretmek i\u00e7in <a href=\"https:\/\/chemuza.org\/tr\/anilin-c6h5nh2\/\">anilin<\/a> ve fosgeni do\u011frudan birle\u015ftirir. MDA daha sonra fosgen ile reaksiyona girerek MDI elde eder ve sentezde formaldehit ihtiyac\u0131n\u0131 ortadan kald\u0131r\u0131r.<\/p>\n<p> Alternatif bir yakla\u015f\u0131m, <a href=\"https:\/\/chemuza.org\/tr\/anilin-c6h5nh2\/\">anilin<\/a> ve difenil karbonat aras\u0131ndaki reaksiyonu ve ard\u0131ndan fosgenasyonu i\u00e7erir. Bu reaksiyon, karbamik asit t\u00fcrevlerinin bir kar\u0131\u015f\u0131m\u0131n\u0131 olu\u015fturur ve bunlar daha sonra fosgen ile i\u015flenerek MDI olu\u015fumuna neden olur.<\/p>\n<p> Ek olarak MDI, <a href=\"https:\/\/chemuza.org\/tr\/anilin-c6h5nh2\/\">anilinin<\/a> bak\u0131r veya paladyum gibi bir kataliz\u00f6r varl\u0131\u011f\u0131nda karbon monoksit ile reaksiyona sokulmas\u0131yla elde edilebilir.<\/p>\n<p> MDI sentezi, toksik ve tehlikeli kimyasallar\u0131n dikkatli bir \u015fekilde kullan\u0131lmas\u0131n\u0131 gerektirir. Operat\u00f6rler, kendilerinin refah\u0131n\u0131 sa\u011flamak ve \u00e7evre \u00fczerindeki etkiyi en aza indirmek i\u00e7in s\u00fcre\u00e7 boyunca uygun g\u00fcvenlik \u00f6nlemlerine ve koruyucu \u00f6nlemlere uymal\u0131d\u0131r.<\/p>\n<h2 class=\"wp-block-heading\"> <strong>Metilen Difenil Diizosiyanat\u0131n Kullan\u0131m Alanlar\u0131<\/strong><\/h2>\n<p> MDI, \u00e7ok y\u00f6nl\u00fc \u00f6zellikleri nedeniyle bir\u00e7ok end\u00fcstride hayati bir rol oynamaktad\u0131r. Dikkate de\u011fer uygulamalar\u0131 \u015funlar\u0131 i\u00e7erir:<\/p>\n<ul>\n<li> Poli\u00fcretan k\u00f6p\u00fckler: \u00dcreticiler, yal\u0131t\u0131m malzemeleri, mobilya yast\u0131klar\u0131, \u015filteler ve otomobil i\u00e7 k\u0131s\u0131mlar\u0131nda kullan\u0131lan poli\u00fcretan k\u00f6p\u00fcklerin \u00fcretiminde MDI&#8217;y\u0131 temel bile\u015fen olarak kullan\u0131yor.<\/li>\n<li> Kaplamalar ve Yap\u0131\u015ft\u0131r\u0131c\u0131lar: MDI, m\u00fckemmel dayan\u0131kl\u0131l\u0131k, a\u015f\u0131nma direnci ve yap\u0131\u015fma \u00f6zellikleri sa\u011flayarak kaplamalar\u0131n ve yap\u0131\u015ft\u0131r\u0131c\u0131lar\u0131n form\u00fclasyonuna katk\u0131da bulunur. End\u00fcstriler bunu boyalarda, verniklerde, dolgu macunlar\u0131nda ve yap\u0131sal yap\u0131\u015ft\u0131r\u0131c\u0131larda kullan\u0131r.<\/li>\n<li> Yal\u0131t\u0131m Malzemeleri: \u0130n\u015faat\u00e7\u0131lar MDI bazl\u0131 k\u00f6p\u00fckleri binalarda, so\u011futma sistemlerinde ve cihazlarda yal\u0131t\u0131m malzemesi olarak kullan\u0131yor. Bu, enerji verimlili\u011fini art\u0131rmaya ve \u0131s\u0131 transferini azaltmaya yard\u0131mc\u0131 olur.<\/li>\n<li> Otomotiv uygulamalar\u0131: \u00dcreticiler tamponlar, g\u00f6sterge panelleri, kap\u0131 panelleri ve koltuk minderleri gibi otomotiv par\u00e7alar\u0131n\u0131n \u00fcretiminde MDI kullan\u0131yor. M\u00fckemmel mekanik \u00f6zelliklere sahip, hafif ancak sa\u011flam \u00e7\u00f6z\u00fcmler sunar.<\/li>\n<li> Ambalaj Malzemeleri: End\u00fcstriler, k\u0131r\u0131lgan \u00f6\u011feleri paketlemek i\u00e7in MDI bazl\u0131 k\u00f6p\u00fckler kullan\u0131r ve nakliye ve depolama s\u0131ras\u0131nda yast\u0131klama ve darbe direnci sa\u011flar.<\/li>\n<li> Tekstil ve elyaflar: MDI, giyim, spor giyim ve t\u0131bbi tekstillerde uygulama alan\u0131 bulan elastan ve elastan dahil sentetik elyaflar\u0131n \u00fcretimine katk\u0131da bulunur.<\/li>\n<li> \u0130n\u015faat Malzemeleri: \u0130n\u015faat\u00e7\u0131lar, dayan\u0131kl\u0131l\u0131klar\u0131n\u0131, suya ve hava ko\u015fullar\u0131na dayan\u0131kl\u0131l\u0131klar\u0131n\u0131 art\u0131rmak i\u00e7in yap\u0131\u015ft\u0131r\u0131c\u0131lar, s\u0131zd\u0131rmazl\u0131k malzemeleri ve kaplamalar gibi yap\u0131 malzemelerine MDI kat\u0131yor.<\/li>\n<li> Elektronik ve Aletler: MDI bazl\u0131 k\u00f6p\u00fckler elektronik cihazlarda, cihazlarda ve elektrik muhafazalar\u0131nda yal\u0131t\u0131m, koruma ve titre\u015fim s\u00f6n\u00fcmleme sa\u011flamak i\u00e7in kullan\u0131l\u0131r.<\/li>\n<\/ul>\n<h2 class=\"wp-block-heading\"> <strong>Sorular:<\/strong><\/h2>\n<h3 class=\"wp-block-heading\"> S: Metilen difenil diizosiyanat i\u00e7in bir g\u00fcvenlik veri sayfas\u0131 mevcut mu?<\/h3>\n<p> C: Evet, difenilmetan-4,4&#8242;-diizosiyanat i\u00e7in bir G\u00fcvenlik Veri Sayfas\u0131 (SDS) mevcuttur ve tehlikeleri, kullan\u0131m\u0131 ve g\u00fcvenlik \u00f6nlemleri hakk\u0131nda temel bilgileri sa\u011flar.<\/p>\n<h3 class=\"wp-block-heading\"> S: Metilen difenil diizosiyanatla ili\u015fkili tehlikeler nelerdir?<\/h3>\n<p> C: Difenilmetan-4,4&#8242;-diizosiyanat, cilt ve solunum yolu hassasiyeti, cilt tahri\u015fi ve solunum yolu tahri\u015fi dahil olmak \u00fczere tehlikeler olu\u015fturur. Dikkatli kullan\u0131lmal\u0131d\u0131r.<\/p>\n<h3 class=\"wp-block-heading\"> S: Metilen difenil diizosiyanat\u0131n baz\u0131 \u00fcreticileri kimlerdir?<\/h3>\n<p> C: B\u00fcy\u00fck kimya \u015firketleri ve kimya end\u00fcstrisi tedarik\u00e7ileri de dahil olmak \u00fczere \u00e7e\u015fitli \u00fcreticiler difenilmetan-4,4&#8242;-diizosiyanat \u00fcretmektedir.<\/p>\n<h3 class=\"wp-block-heading\"> S: Metilen difenil diizosiyanat nas\u0131l yap\u0131l\u0131r?<\/h3>\n<p> A: Difenilmetan-4,4&#8242;-diizosiyanat tipik olarak anilin, formaldehit (veya difenil karbonat) ve fosgen i\u00e7eren reaksiyonlar ve ard\u0131ndan safla\u015ft\u0131rma i\u015flemleriyle sentezlenir.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Metilen difenil diizosiyanat (MDI), poli\u00fcretan k\u00f6p\u00fcklerin, kaplamalar\u0131n ve yap\u0131\u015ft\u0131r\u0131c\u0131lar\u0131n \u00fcretiminde kullan\u0131lan kimyasal bir bile\u015fiktir. Reaktivitesi ve \u00e7ok y\u00f6nl\u00fcl\u00fc\u011f\u00fc nedeniyle end\u00fcstriyel uygulamalar\u0131 \u00e7e\u015fitlidir. IUPAC Ad\u0131 4,4&#8242;-metilenbis (fenil izosiyanat) Molek\u00fcler form\u00fcl C15H10N2O2 CAS numaras\u0131 101-68-8 E\u015f anlaml\u0131 MDI, difenilmetan-4,4&#8242;-diizosiyanat, 4,4&#8242;-metilenbis (sikloheksil izosiyanat) InChI InChI=1S\/C15H10N2O2\/c18-14-8-6-13(7-9-14)16-12-17-15-10-4-2-1-3-5-11-15\/h1-11H Metilen difenilin \u00f6zellikleri Metilen Difenil Diizosiyanat Form\u00fcl\u00fc Metilen difenil diizosiyanat\u0131n form\u00fcl\u00fc C15H10N2O2&#8217;dir. Bile\u015fi\u011fin &#8230; <a title=\"Metilen difenil diizosiyanat \u2013 c15h10n2o2\" class=\"read-more\" href=\"https:\/\/chemuza.org\/tr\/metilen-difenil-diizosiyanat-c15h10n2o2\/\" aria-label=\"More on Metilen difenil diizosiyanat \u2013 c15h10n2o2\">Devam\u0131n\u0131 oku<\/a><\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[5],"tags":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v21.4 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Metilen difenil diizosiyanat - C15H10N2O2<\/title>\n<meta name=\"description\" content=\"Metilen difenil diizosiyanat (MDI), poli\u00fcretan k\u00f6p\u00fcklerin, kaplamalar\u0131n ve yap\u0131\u015ft\u0131r\u0131c\u0131lar\u0131n \u00fcretiminde kullan\u0131lan kimyasal bir bile\u015fiktir.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/chemuza.org\/tr\/metilen-difenil-diizosiyanat-c15h10n2o2\/\" \/>\n<meta property=\"og:locale\" content=\"tr_TR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Metilen difenil diizosiyanat - 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