DI METHYL ETHANOLAMINE, bụ ihe mejupụtara kemịkalụ, usoro kemịkalụ C5H13NO2, maka mmiri mmanụ na-enweghị agba ma ọ bụ odo gbara ọchịchịrị, enwere ike ịgwakọta ya na mmiri, mmanya, na-agbaze ntakịrị na ether. A na-ejikarị ya eme ihe dị ka emulsifier na ihe na-amịkọrọ acid gas, ihe na-achịkwa acid base, ihe na-akpali polyurethane foam catalyst, a na-ejikwa ya dị ka ọgwụ mgbochi etuto dịka nitrogen mustard hydrochloride intermediate.
Njirimara:Ngwaahịa a nwere isi ammonia enweghị agba ma ọ bụ mmiri odo odo, ọ na-ere ọkụ. Enwere ike iji mmiri, ethanol, benzene, ether na acetone gwakọta ya. Njupụta dị n'etiti 0.8879, ebe esi mmiri 134.6℃. Ebe oyi na-atụ - 59. O℃. Ebe ọkụ na-atụ 41℃. Ebe ọkụ na-acha (iko mepere emepe) 40℃. Viscosity (20℃) 3.8mPa. s. Ihe ngosi ntụgharị 1.4296.
Usoro nkwadebe:
1. Usoro ethylene oxide site na dimethylamine na ethylene oxide ammonia, site na distillation, distillation, na dehydration.
2. A na-enweta usoro Chloroethanol site na saponification nke chloroethanol na alkali iji mepụta ethylene oxide, wee jiri dimethylamine mepụta ya.
Ngwa nke DMEA:
Ọrụ catalytic nke N,N-dimethylethanolamine DMEA dị obere nke ukwuu, ọ naghịkwa enwe mmetụta dị ukwuu na mmụba ụfụfụ na mmeghachi omume gel, mana dimethylethanolamine DMEA nwere alkalinity siri ike, nke nwere ike iwepụ ọnụọgụ dị na ihe ndị na-afụ ụfụfụ nke ọma. Acids, karịsịa ndị dị na isocyanates, si otú a na-ejide amines ndị ọzọ na sistemụ ahụ. Ọrụ dị ala na ikike dị elu nke dimethylethanolamine DMEA na-arụ ọrụ dị ka ihe nchekwa ma bara uru karịsịa mgbe ejiri ya na triethylenediamine, ka e wee nwee ike nweta ọnụego mmeghachi omume achọrọ site na obere mkpokọta nke triethylenediamine.
Dimethylethanolamine (DMEA) nwere ọtụtụ ojiji, dịka: enwere ike iji dimethylethanolamine DMEA kwadebe ihe mkpuchi mmiri na-agbaze agbaze; dimethylethanolamine DMEA bụkwa ihe eji emepụta dimethylaminoethyl methacrylate, nke a na-eji akwadebe ihe ndị na-egbochi static, ihe ndị na-eme ka ala dị nro, ihe ndị na-eduzi ihe, ihe mgbakwunye akwụkwọ na flocculants; a na-ejikwa dimethylethanolamine DMEA na ihe ndị na-eme ka mmiri dị nro iji gbochie ire ere.
N'ime ụfụfụ polyurethane, dimethylethanolamine DMEA bụ co-catalyst na ihe na-akpali mmeghachi omume, enwere ike iji dimethylethanolamine DMEA mee ihe n'imepụta ụfụfụ polyurethane na-agbanwe agbanwe na ụfụfụ polyurethane siri ike. E nwere otu hydroxyl na molekul dimethylethanolamine DMEA, nke nwere ike imeghachi omume na otu isocyanate, yabụ enwere ike ijikọ dimethylethanolamine DMEA na molekul polymer, ọ gaghịkwa agbanwe agbanwe dị ka triethylamine.
Nkwakọ ngwaahịa:Jiri ihe mkpuchi drum ígwè, nha ya dị kilogram 180 kwa drum. Debe ya n'ebe dị jụụ ma ikuku na-abata. Debe ya ma bufee ya dịka kemịkalụ ndị na-ere ọkụ na ndị na-egbu egbu si dị.
Oge ozi: Eprel-19-2023