{"id":1186,"date":"2020-07-27T10:44:22","date_gmt":"2020-07-27T10:44:22","guid":{"rendered":"http:\/\/www.oztugkimya.com\/?page_id=1186"},"modified":"2020-07-27T10:45:31","modified_gmt":"2020-07-27T10:45:31","slug":"poli-etilen-glikol","status":"publish","type":"page","link":"http:\/\/www.oztugkimya.com\/en\/poli-etilen-glikol\/","title":{"rendered":"Sequin Caustic"},"content":{"rendered":"
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G\u00f6r\u00fcn\u00fcm\u00fc\u00a0:<\/strong>\u00a0Beyaz<\/p>

Kimyasal Ad\u0131\u00a0:\u00a0<\/strong>Polyethylene Glycols \/ PEG<\/p>

Kimyasal Form\u00fcl\u00a0:\u00a0<\/strong>C2nH4n+2On+1<\/p>

Ambalaj \u015eekli\u00a0:<\/strong>\u00a0Varillerde – Torbalarda<\/p>

Tan\u0131m\u0131 ve Kullan\u0131m Alanlar\u0131\u00a0:<\/strong><\/p>

Polietilen glikol \u00fcretimi ilk kez 1859 y\u0131l\u0131nda bildirildi. Hem AV Laurence hem de Charles Adolphe Wurtz, \u00fcr\u00fcnleri polietilen glikollerle ba\u011f\u0131ms\u0131z olarak izole etti. Polietilen glikol, etilen oksit, su, etilen glikol veya etilen glikol oligomerleri ile etkile\u015fim yoluyla \u00fcretilir. Reaksiyon asidik veya bazik kataliz\u00f6rler ile katalize edilir. D\u00fc\u015f\u00fck polidispersite (dar molek\u00fcl a\u011f\u0131rl\u0131\u011f\u0131 da\u011f\u0131l\u0131m\u0131) olan polimerlerin \u00fcretilmesine izin verdiklerinden, etilen glikol ve bunun oligomerleri, su yerine bir ba\u015flang\u0131\u00e7 \u200b\u200bmalzemesi olarak tercih edilir. Polimer zincir uzunlu\u011fu, reaktanlar\u0131n oran\u0131na ba\u011fl\u0131d\u0131r.<\/p>

HOCH 2 , CH 2 , OH + n (CH 2 CH 2 O) \u2192 HO (CH 2 CH 2 O) n + 1 ‘H<\/p>

Kataliz\u00f6r\u00fcn niteli\u011fine ba\u011fl\u0131 olarak, polimerizasyon mekanizmas\u0131 katyonik veya anyonik olabilir. Anyonik mekanizma tercih edilir \u00e7\u00fcnk\u00fc d\u00fc\u015f\u00fck polidispersite ile PEG elde edilebilir. Etilen oksit polimerizasyonu egzotermik bir i\u015flemdir. A\u015f\u0131r\u0131 \u0131s\u0131nma veya etilen oksitin alkaliler veya metal oksitler gibi kataliz\u00f6rlerle kirlenmesi, birka\u00e7 saat sonra patlamaya neden olabilecek a\u015f\u0131r\u0131 polimerle\u015fmeye neden olabilir.<\/p>

Polietilen oksit veya y\u00fcksek molek\u00fcl a\u011f\u0131rl\u0131kl\u0131 polietilen glikol s\u00fcspansiyon polimerizasyonu ile sentezlenir. \u00c7oklu yo\u011funla\u015fma i\u015flemi boyunca b\u00fcy\u00fcyen polimer zincirinin \u00e7\u00f6zeltide tutulmas\u0131 gereklidir. Reaksiyon, magnezyum, al\u00fcminyum veya kalsiyum organoelement bile\u015fikleri ile katalize edilir. Dimetilgloksim gibi k\u0131rpma katk\u0131lar\u0131, polimer zincirlerinin \u00e7\u00f6z\u00fclmesini \u00f6nlemek i\u00e7in kullan\u0131l\u0131r.<\/p>

Alkalin kataliz\u00f6rler, sodyum hidroksit (NaOH), potasyum hidroksit (KOH) veya sodyum karbonat (Na2C03) gibi d\u00fc\u015f\u00fck molek\u00fcl a\u011f\u0131rl\u0131kl\u0131 bir polietilen glikol haz\u0131rlamak i\u00e7in kullan\u0131l\u0131r.<\/p>

Kullan\u0131m Alanlar\u0131<\/strong><\/p>

  • PEG hidrofilik molek\u00fcl oldu\u011fundan, tek molek\u00fcll\u00fc fl\u00fcoresans \u00e7al\u0131\u015fmalar\u0131nda proteinlerin spesifik olmayan yap\u0131\u015fmas\u0131n\u0131 \u00f6nlemek i\u00e7in mikroskop cam slaytlar\u0131n\u0131 pasifle\u015ftirmek i\u00e7in kullan\u0131l\u0131r.<\/li>
  • Polietilen glikol, toksisitesi d\u00fc\u015f\u00fckt\u00fcr ve \u00e7e\u015fitli \u00fcr\u00fcnlerde kullan\u0131l\u0131r.<\/li>
  • Polimer, sulu ve sulu olmayan ortamlarda \u00e7e\u015fitli y\u00fczeyler i\u00e7in ya\u011flay\u0131c\u0131 bir kaplama olarak kullan\u0131l\u0131r.<\/li>
  • PEG, esnek, suda \u00e7\u00f6z\u00fcn\u00fcr bir polimer oldu\u011fundan, \u00e7ok y\u00fcksek ozmotik bas\u0131n\u00e7larolu\u015fturmak i\u00e7in kullan\u0131labilir.<\/li>
  • Polietilen glikol, gaz kromatografisi i\u00e7in polar dura\u011fan bir faz\u0131n yan\u0131 s\u0131ra elektronik test cihazlar\u0131nda bir \u0131s\u0131 transfer s\u0131v\u0131s\u0131 olarak yayg\u0131n olarak kullan\u0131l\u0131r .<\/li>
  • PEG, k\u00fctle spektrometri deneylerinde, do\u011fru ve tekrarlanabilir ayarlamaya izin veren karakteristik par\u00e7alanma modeliyle s\u0131kl\u0131kla kullan\u0131l\u0131r.<\/li>
  • Dar alanl\u0131 etoksilatlar gibi PEG t\u00fcrevleri y\u00fczey aktif maddeler olarak kullan\u0131l\u0131r .<\/li>
  • PEG baz\u0131 polimerler olu\u015fturmak i\u00e7in kullan\u0131lan amfifilik blok kopolimerlerin hidrofilik blo\u011fu olarak kullan\u0131lm\u0131\u015ft\u0131r .<\/li>
  • PEG bir dizi m\u00fcshilatin temelidir . Polietilen glikol ve ilave elektrolitler ile t\u00fcm ba\u011f\u0131rsak sulama , cerrahi veya kolonoskopi \u00f6ncesi ba\u011f\u0131rsak haz\u0131rl\u0131\u011f\u0131 i\u00e7in kullan\u0131l\u0131r .<\/li>
  • PEG bir\u00e7ok farmas\u00f6tik \u00fcr\u00fcnlerde bir eksipiyan olarak da kullan\u0131l\u0131r .<\/li>
  • \u00c7e\u015fitli protein ila\u00e7lar\u0131na ba\u011fland\u0131\u011f\u0131nda , polietilen glikol, ta\u015f\u0131nan proteinin kandaki yava\u015flat\u0131lmas\u0131na izin verir.<\/li>
  • PEG, olduk\u00e7a kalabal\u0131k h\u00fccresel ko\u015fullar\u0131 taklit etmek i\u00e7in in vitro deneylerde yayg\u0131n olarak kalabal\u0131k ajan olarak kullan\u0131l\u0131r.<\/li>
  • PEG, yayg\u0131n olarak plazmid DNA izolasyonu ve protein kristalle\u015fmesi i\u00e7in bir \u00e7\u00f6kelti maddesi olarak kullan\u0131l\u0131r . Protein kristallerinin X-\u0131\u015f\u0131n\u0131 k\u0131r\u0131n\u0131m\u0131 , proteinlerin atomik yap\u0131s\u0131n\u0131 ortaya \u00e7\u0131karabilir.<\/li>
  • PEG, hibridomalar olu\u015fturmak i\u00e7in iki farkl\u0131 h\u00fccrenin tipini, \u00e7o\u011funlukla B-h\u00fccrelerini ve miyelomalar\u0131n\u0131 kayna\u015ft\u0131rmak i\u00e7in kullan\u0131l\u0131r .<\/li>
  • PEG poliollerinden t\u00fcretilmi\u015f polimer par\u00e7alar\u0131 , elastomerik elyaflar ( spandex ) ve k\u00f6p\u00fck yast\u0131klar gibi uygulamalar i\u00e7in poli\u00fcretanlara esneklik kazand\u0131r\u0131r .<\/li>
  • Olarak mikrobiyoloji , PEG \u00e7\u00f6keltme vir\u00fcsleri konsantre etmek i\u00e7in kullan\u0131l\u0131r.<\/li>
  • Gen terapi vekt\u00f6rleri (vir\u00fcsler gibi) PEG ile kaplanarak ba\u011f\u0131\u015f\u0131kl\u0131k sistemi taraf\u0131ndan inaktivasyona u\u011framaktan korunur ve onlar\u0131 organlardan uzakla\u015ft\u0131r\u0131p toksik etki g\u00f6sterebilecekleri yerlerden hedef al\u0131nmas\u0131n\u0131 \u00f6nleyebilir.<\/li>
  • Nitrat esteri -plastikle\u015ftirilmi\u015f polietilen glikol Trident II denizalt\u0131 f\u0131rlatmal\u0131 balistik f\u00fcze kat\u0131 roket yak\u0131t\u0131nda kullan\u0131l\u0131r.<\/li>
  • PEG’in dimetil eterleri , gaz at\u0131k ak\u0131\u015f\u0131ndan karbondioksit ve hidrojen s\u00fclfidi \u00e7\u0131karmak i\u00e7in k\u00f6m\u00fcr yanmas\u0131, entegre gazla\u015ft\u0131rma kombine \u00e7evrim (IGCC) santralleri taraf\u0131ndan kullan\u0131lan bir \u00e7\u00f6z\u00fcc\u00fc olan Selexol’\u00fcn temel bile\u015fenidir .<\/li>
  • PEG, bir yal\u0131tkanda s\u00fcperiletkenli\u011fi ind\u00fcklemek i\u00e7in bir elektrikli \u00e7ift katmanl\u0131 transist\u00f6rde kap\u0131 izolat\u00f6r\u00fc olarak kullan\u0131lm\u0131\u015ft\u0131r.<\/li>
  • PEG ayr\u0131ca kat\u0131 polimer elektrolitleri i\u00e7in bir polimer konak\u00e7\u0131 olarak kullan\u0131l\u0131r. Hen\u00fcz ticari \u00fcretimde olmamas\u0131na ra\u011fmen, d\u00fcnyadaki pek \u00e7ok grup, \u00f6zelliklerini geli\u015ftirmeyi ve piller, elektrokromik g\u00f6r\u00fcnt\u00fc sistemleri ve di\u011fer \u00fcr\u00fcnlerdeki di\u011fer \u00fcr\u00fcnlerin kullan\u0131m\u0131na izin vermek amac\u0131yla PEG i\u00e7eren kat\u0131 polimer elektrolitleri \u00fczerine ara\u015ft\u0131rmalar yapmaktad\u0131r. gelece\u011fi.<\/li>
  • Ay\u0131rma ekipman\u0131nda k\u00f6p\u00fcrmeyi azaltmak i\u00e7in end\u00fcstriyel proseslere PEG enjekte edilir.<\/li>
  • PEG, teknik seramiklerin haz\u0131rlanmas\u0131nda bir ba\u011flay\u0131c\u0131 olarak kullan\u0131l\u0131r .<\/li>
  • PEG bir\u00e7ok cilt kremlerinin ( cetomakrogol olarak ) ve ki\u015fisel ya\u011flay\u0131c\u0131lar\u0131n (s\u0131kl\u0131kla gliserin ile kombine edilen ) temelidir .<\/li>
  • PEG, bir dizi di\u015f macununda bir dispersan olarak kullan\u0131l\u0131r . Bu uygulamada, su ba\u011flar ve ksantan sak\u0131z\u0131n\u0131n di\u015f macunu boyunca e\u015fit da\u011f\u0131l\u0131mda kalmas\u0131na yard\u0131mc\u0131 olur .<\/li>
  • PEG, v\u00fccut z\u0131rh\u0131nda ve \u015feker hastal\u0131\u011f\u0131n\u0131 izlemek i\u00e7in kullan\u0131lan d\u00f6vmelerde de ara\u015ft\u0131r\u0131l\u0131yor .<\/li>
  • D\u00fc\u015f\u00fck molek\u00fcl a\u011f\u0131rl\u0131kl\u0131 form\u00fclasyonlarda (\u00f6rn. PEG 400 ), bask\u0131 kafalar\u0131 i\u00e7in bir m\u00fcrekkep solventi ve ya\u011flay\u0131c\u0131 olarak Hewlett-Packard tasar\u0131m jeti yaz\u0131c\u0131lar\u0131nda kullan\u0131l\u0131r .<\/li><\/ul>\t\t\t\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t<\/div>\n\t\t\t\t\t<\/div>","protected":false},"excerpt":{"rendered":"

    Previous Next G\u00f6r\u00fcn\u00fcm\u00fc\u00a0:\u00a0Beyaz Kimyasal Ad\u0131\u00a0:\u00a0Polyethylene Glycols \/ PEG Kimyasal Form\u00fcl\u00a0:\u00a0C2nH4n+2On+1 Ambalaj \u015eekli\u00a0:\u00a0Varillerde – Torbalarda Tan\u0131m\u0131 ve Kullan\u0131m Alanlar\u0131\u00a0: Polietilen glikol \u00fcretimi ilk kez 1859 y\u0131l\u0131nda bildirildi. Hem AV Laurence hem…<\/p>","protected":false},"author":1,"featured_media":0,"parent":0,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":[],"yoast_head":"\nPoli Etilen Glikol - http:\/\/www.oztugkimya.com\/<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"http:\/\/www.oztugkimya.com\/en\/poli-etilen-glikol\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Poli Etilen Glikol - http:\/\/www.oztugkimya.com\/\" \/>\n<meta property=\"og:description\" content=\"Previous Next G\u00f6r\u00fcn\u00fcm\u00fc\u00a0:\u00a0Beyaz Kimyasal Ad\u0131\u00a0:\u00a0Polyethylene Glycols \/ PEG Kimyasal Form\u00fcl\u00a0:\u00a0C2nH4n+2On+1 Ambalaj \u015eekli\u00a0:\u00a0Varillerde – Torbalarda Tan\u0131m\u0131 ve Kullan\u0131m Alanlar\u0131\u00a0: Polietilen glikol \u00fcretimi ilk kez 1859 y\u0131l\u0131nda bildirildi. 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