DI METHYL ETHANOLAMINE, wani sinadari ne na halitta, wanda aka yi amfani da shi wajen hada sinadarai, kamar C5H13NO2, ga ruwa mai launin rawaya mai duhu ko mai duhu, ana iya mirgine shi da ruwa, barasa, yana narkewa a cikin ether. Ana amfani da shi sosai a matsayin emulsifier da kuma mai shan iskar acid, wakilin sarrafa acid, mai kara kuzari ga kumfa polyurethane, wanda kuma ake amfani da shi azaman magungunan hana ciwace-ciwacen daji kamar nitrogen mustard hydrochloride.
Kadarorin:Wannan samfurin yana da warin ammonia mara launi ko ruwa mai launin rawaya, mai ƙonewa. Ana iya mirgine shi da ruwa, ethanol, benzene, ether da acetone. Yawan da ya dace shine 0.8879, wurin tafasa shine 134.6℃. Wurin daskarewa shine 59.0℃. Wurin kunna wuta shine 41℃. Wurin walƙiya (kofin buɗewa) shine 40℃. Danko (20℃) shine 3.8mPa.s. Ma'aunin haske shine 1.4296.
Hanyar shiri:
1. Tsarin ethylene oxide ta hanyar dimethylamine da ethylene oxide ammonia, ta hanyar distillation, distillation, da dehydration.
2. Ana samun tsarin Chloroethanol ta hanyar saponification na chloroethanol da alkali don samar da ethylene oxide, sannan a haɗa shi da dimethylamine.
Aikace-aikacen DMEA:
Aikin catalytic na N,N-dimethylethanolamine DMEA yana da ƙasa sosai, kuma ba shi da tasiri sosai akan ƙaruwar kumfa da kuma amsawar gel, amma dimethylethanolamine DMEA yana da ƙarfi a cikin alkalinity, wanda zai iya rage yawan alamun da ke cikin abubuwan da ke kumfa. Acid, musamman waɗanda ke cikin isocyanates, don haka yana riƙe da sauran amines a cikin tsarin. Ƙananan aiki da ƙarfin rage yawan dimethylethanolamine DMEA yana aiki azaman ma'ajiyar ruwa kuma yana da fa'ida musamman idan aka yi amfani da shi tare da triethylenediamine, don haka ana iya cimma ƙimar amsawar da ake so tare da ƙarancin yawan triethylenediamine.
Dimethylethanolamine (DMEA) yana da amfani iri-iri, kamar: ana iya amfani da dimethylethanolamine DMEA don shirya rufin da za a iya narkar da shi da ruwa; dimethylethanolamine DMEA kuma kayan aiki ne na dimethylaminoethyl methacrylate, wanda ake amfani da shi don shirya magungunan hana tsayawa, kwandishan ƙasa, kayan sarrafawa, ƙarin takarda da flocculants; dimethylethanolamine DMEA kuma ana amfani da shi a cikin magungunan magance ruwa don hana tsatsa.
A cikin kumfa polyurethane, dimethylethanolamine DMEA wani abu ne mai haɗa sinadarai kuma mai haɓaka sinadarai, kuma ana iya amfani da dimethylethanolamine DMEA wajen samar da kumfa mai sassauƙa da kumfa mai tauri na polyurethane. Akwai ƙungiyar hydroxyl a cikin ƙwayar dimethylethanolamine DMEA, wadda za ta iya amsawa da ƙungiyar isocyanate, don haka za a iya haɗa dimethylethanolamine DMEA da ƙwayar polymer, kuma ba za ta yi ƙarfi kamar triethylamine ba.
Marufi na samfur:Ta amfani da marufin ganga na ƙarfe, nauyinsa ya kai kilogiram 180 a kowace ganga. A adana a wuri mai sanyi da iska. A adana kuma a kai shi bisa ga sinadarai masu ƙonewa da guba.
Lokacin Saƙo: Afrilu-19-2023