[Sifooyinka Kiimikada]
Toluene diisocyanate wuxuu ku jiraa laba qaab oo isomeric ah (2,4-toluene diisocyanate iyo 2,6-toluene diisocyanate), kuwaas oo leh sifooyin iyo saameyn isku mid ah. Toluene diisocyanate waxaa si ganacsi ah loogu soo saaraa isku darka 80:20 (2,4-toluene diisocyanate:2,6-toluene diisocyanate) ee labada isomers. Heerkulka qolka, isku darku waa dareere huruud ah oo cad, oo leh ur fiiqan oo udgoon. Waa in lagu kaydiyaa qaboojiyaha hoostiisa, meel ka fog iftiinka iyo qoyaanka weel si adag u xiran oo ku jira jawi aan firfircoonayn. Toluene diisocyanate kuma milmo biyaha waxaana lagu milan karaa dareerayaasha dabiiciga ah ee ugu badan. Toluene diisocyanate waxaa lagu sameeyaa iyadoo la falgalo toluene diamine oo leh carbonyl chloride (phosgene). Toluene diisocyanate waxaa badanaa loo isticmaalaa sidii dhexdhexaad kiimiko ah oo lagu sameeyo soo saarista xumbo polyurethane ah, elastomers, iyo dahaarka, rinjiyada, varnishes, enamel-yada siligga ah, shaabadayn, dhejisyo, iyo xidhmooyin. Waxaa sidoo kale loo isticmaalaa sidii wakiil isku xidha oo lagu sameeyo polymers nayloon ah. 2,4-Toluene diisocyanate waxaa loo isticmaalaa dhexdhexaad kiimiko ah oo lagu soo saaro alaabada polyurethane, sida xumbo, dahaarka, iyo elastomers.
[Isticmaalka]
Soo saarista xumbo polyurethane ah iyo elastomers kale.
[Isticmaalka]
Neefta shaqadu waa sababta ugu weyn ee keenta cudurrada neefsashada ee la xiriira shaqada ee adduunka warshadaha. Toluene-2,4-diisocyanate (TDI) waa mid ka mid ah dareemayaasha neefsashada ee ugu badan ee keena neefta shaqada.
[Isticmaalka]
TDI (toluene diisocyanate) waa walxo muhiim ah oo asaasi ah oo ka samaysan polyurethane. TDI waa isku darka 2,4-TDI iyo 2,6-TDI laba nooc oo isomers ah, oo ay ku jiraan 3 nooc oo darajooyin caadi ah loo isticmaalo: TDI-80/20, TDI-100 iyo TDI-65/35. Inta badan waxaa loo isticmaalaa soo saarista xumbo polyurethane ah oo dabacsan iyo dahaarka polyurethane elastomer, dhejisyo, iwm..
[Isticmaalka]
Toluene-2,4-diisocyanate waa mid ka mid ah isocyanates-ka ugu isticmaalka badan. Waxaa loo isticmaalaa soo saarista xumbo adag iyo kuwa dabacsan ee urexane, elastomers, iyo dahaarka. Marka laga soo tago isticmaalka isku-darka saafiga ah, waxay ganacsi ahaan u heli kartaa isku-darka 2,4- iyo 2,6-isomers (80: 20% iyo 65: 35% saamiga, siday u kala horreeyaan).
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Waqtiga boostada: Jan-06-2026








