Triethanolamine Triethanolamine imadziwikanso kuti ma amine atatu owonjezera ndi triethanol. Ndi mafuta opanda mtundu omwe ali ndi fungo la ammonia. Imayamwa madzi mosavuta ndipo imasanduka bulauni ikakumana ndi mpweya kapena kuwala. Imakhala yopanda mtundu kapena kristalo wopepuka wachikasu pa kutentha kochepa.

Kapangidwe ka mankhwala:

Ndi madzi opanda mtundu, owonekera bwino komanso okhuthala kutentha kwa chipinda. Ndi hygroscopic, ali ndi fungo la ammonia, ndi alkaline, ndipo amakwiyitsa. Malo osungunuka ndi 21.2℃, malo owira ndi 360℃, malo owunikira ndi 193℃, kuchuluka kwa Chemicalbook (d420) ndi 1.1242, ndipo refractive index (nD20) ndi 1.4852. Amasakanikirana m'madzi, ethanol ndi acetone, amasungunuka pang'ono mu ether, benzene ndi carbon tetrachloride.

Cholinga:

Amagwiritsidwa ntchito ngati madzi oyera pochotsa carbon dioxide kapena hydrogen sulfide mu mpweya. Ma esters opangidwa pakati pa triethanolamine ndi mafuta acids ambiri amagwiritsidwa ntchito kwambiri ngati sopo, ma emulsifier, ma humectants ndi mafuta, ndipo amagwiritsidwanso ntchito pokonza mafuta odzola. Triethanolamine imagwiritsidwanso ntchito ngati chosungira, choteteza madzi, chowunikira, komanso chosungunulira. Ingagwiritsidwe ntchito ngati choyambitsa polima pulasitiki ya nitrile, ndipo ingagwiritsidwenso ntchito ngati emulsifier ndi stabilizer ya mafuta ndi sera, komanso chofewetsa nsalu pansi pa acidity. Ndi chimodzi mwa zigawo za mafuta opota a polyester ndi ulusi wina wopangidwa.

njira yopangira

Ndiko kuyika ethylene oxide ndi madzi a ammonia mu reactor, ndikuchita condensation reaction pa kutentha kwa reaction kwa 30-40°C ndi reaction pressure ya 70.9-304kPa kuti apange yankho losakanikirana la mono-, di-, ndi triethanolamine, lomwe limatenthedwa pa 90-120°C. Pambuyo pa kutaya madzi m'thupi ndi kukhuta, limatumizidwa ku ma vacuum atatu Chemicalbook distillation towers kuti lichotsedwe. Tizigawo timagwidwa malinga ndi malo osiyanasiyana owira kuti tipeze monoethanolamine, diethanolamine ndi triethanolamine zomalizidwa ndi chiyero cha 99%. Panthawi ya reaction, ngati gawo la ethylene oxide lawonjezeka, chiŵerengero cha kupanga di- ndi triethanolamine chidzawonjezeka, zomwe zingawonjezere zokolola za di- ndi triethanolamine.

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