Incazelo emfushane:


  • Intengo ye-FOB eyinkomba:
    US $2,835
    / Ithani
  • Imbobo:China
  • Imigomo Yokukhokha:L/C, T/T, Western Union
  • I-CAS:26471-62-5
  • Imininingwane Yomkhiqizo

    Omaka bomkhiqizo

    Igama Lomkhiqizo:I-Toluene Diisocyanate

    Inombolo ye-CAS:26471-62-5

    Izakhiwo Zekhemikhali:

    I-Toluene disocyanate iwuketshezi olungenambala, oluphuzi, noma olumnyama noma oluqinile.Inephunga elimnandi, elimnandi, elinuka kamnandi.I-Toluene diisocyanate (technical, 26471-62-5) iyingxube engu-80: 20 yama-2,4-no-2,6-isomers.Iqinile ngaphezu kuka-71/F/22℃.I-Odor Threshold ingu-0.4-2.14 ppm.

    Isicelo:

    I-Toluene diisocyanate isetshenziswa ngokuyinhloko ukwenza amagwebu e-polyurethane aguquguqukayo ukuze asetshenziswe ifenisha, izingubo zokulala, nezihlalo zezimoto nezezindiza.Okunye, ukusetshenziswa okuncane okwenzelwe ama-polyurethane elastomers (okumakhava obhampa bezimoto, amarola ezimboni, amasoli ezemidlalo namabhuzu, kanye nezimpahla eziwumshini) kanye nama-coatings (okulungisa izimoto, ukuqedwa kokhuni, kanye nezingubo zokulwa nokugqwala ezisebenza kahle kakhulu)(ICIS 2009).Igwebu le-toluene diisocyanate-based rigid polyurethane isetshenziswa eziqandisini zasendlini kanye nasezindaweni zokuhlala noma uphahla lwezentengiselwano ebhodini noma kwifomu le-laminate (IARC 1986).Igwebu eliqinile elithi “Fafaza-ngaphakathi” lisetshenziswa njengokuvala ama-trailer amaloli, izimoto ezithwala impahla zikaloliwe, kanye neziqukathi zempahla.Ama-alkyd enziwe nge-polyurethane aqukethe cishe u-6% kuya ku-7% isocyanate, ikakhulukazi i-toluene diisocyanate, futhi asetshenziswa njengezinto zokumboza, njengokuqedwa kwaphansi, ukuqedwa kwezinkuni, nopende.Izingubo zokupholisa umswakama zisetshenziswa njengezivalo zokhuni nokhonkolo kanye nokuqeda phansi.Izindiza, iloli, kanye nezingubo zemoto yabagibeli ngokuvamile zakhiwe ngamasistimu e-toluene disocyanate prepolymer.Ama-urethane elastomer asetshenziswayo asetshenziswa ezinhlelweni ezidinga amandla, ukuguquguquka, nokumuncwa ukushaqeka, futhi amelana nowoyela, izinyibilikisi, nemisebe ye-ultraviolet.Asetshenziswa kumakhompiyutha okunamathiselayo kanye nama-sealant nasezingxenyeni zemoto, amasoli ezicathulo, amasondo ama-rollerskate, ama-pond liners, nezikhwama zegazi.Zibuye zisetshenziswe amasimu anoil kanye nezimayini.Imikhiqizo ethile ye-elastomer ikhiqizwa kusukela ku-isomer emsulwa engu-2,4 kunengxube engu-80:20.

    Amaqembu asebenzayo ku-TDI asabelana namaqembu e-hydroxyl ukuze akhe ukuxhumana kwe-urethane, okusetshenziselwa ukwakhiwa kwamagwebu e-polyurethane aguquguqukayo ukuze asetshenziswe ifenisha, izingubo zokulala, kanye nezihlalo zokuhamba zezimoto nezentengiso.Okunye ukusetshenziswa kufaka phakathi ama-polyurethane elastomers asetshenziswa kumakhava obhampa wezimoto, amarola ezimboni, izicathulo zemidlalo, kanye nempahla eyimishini kanye nama-coatings (insimbi, ukhuni, kanye nezingubo zokulwa nokugqwala kokusebenza okuphezulu).I-TDI-based rigid polyurethane foam isetshenziswa eziqandisini zasendlini kanye nokwakhiwa kwezindawo zokuhlala ezifana nokufulela nokufulela ezohwebo.Igwebu eliqinile le-TDI elifuthayo lisetshenziswa njengokuvala ama-trailer amaloli, izimoto ezithwala impahla zikaloliwe, kanye neziqukathi zempahla zaphesheya.Izingubo ze-TDI eziqeda umswakama zisetshenziswa njengezivalo zokhuni nezikhonkolo kanye nokuqeda phansi.


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