tse ding

Lihlahisoa

Monoethanolamine (MEA) CAS No. 141-43-5

Tlhaloso e Khutšoanyane:

Monoethanolamine ke mokelikeli o sebelisoang liteisheneng tsa motlakase tse fehloang ka mashala bakeng sa ho monya mesi ea CO2 ka mor'a ho tuka. The solvent e fumaneha habonolo, theko ea eona e tlaase, 'me lebelo la eona la ho monya le potlakile. Leha ho le joalo, tšebeliso ea matla a likokoana-hloko le litšenyehelo tsa lichelete tse amehang tsamaisong ea ho hapa ka mor'a mollo oa MEA ke tšitiso tšebelisong ea eona.


Lintlha tsa Sehlahisoa

Li-tag tsa Sehlahisoa

Tlhaloso ea Sehlahisoa

MEA e ka hlahisoa ka ho arabela ammonia / metsi ka ethylene oxide ka khatello ea 50-70 bar ho boloka ammonia mokhahlelong oa mokelikeli. Tshebetso ena ke exothermic 'me ha e hloke catalyst leha e le efe. Karo-karolelano ea ammonia le ethylene oxide e phetha karolo ea bohlokoa ho etsa qeto ea sebopeho sa motsoako o hlahisoang. Haeba ammonia e arabela ka mole e le 'ngoe ea ethylene oxide, monoethanolamine e thehoa, ka limolek'hule tse peli tsa ethylene oxide, diethanolamine e thehoa athe li-moles tse tharo tsa ethylene oxide triethanolamine li thehoa. Ka mor'a karabelo, distillation ea motsoako o hlahisoang o etsoa pele ho tlosa ammonia e feteletseng le metsi. Ebe li-amine li aroloa ho sebelisoa mokhoa oa mehato e meraro ea distillation.

Monoethanolamine e sebelisoa e le li-reagents tsa lik'hemik'hale, chefo e bolaeang likokoanyana, meriana, solvents, li-intermediates tsa dae, li-accelerator tsa rabara, li-corrosion inhibitors le li-surfactants, joalo-joalo. E boetse e sebelisoa e le lintho tse monyang khase ea asiti, li-emulsifiers, plasticizers, rabara vulcanizing agents, khatiso le ho daea lesela le lesoeu. anti-moth agent, joalo-joalo E ka boela ea sebelisoa e le plasticizer, vulcanizing agent, accelerator le foaming agent bakeng sa li-resin tsa maiketsetso le rabara, hammoho le li-intermediates bakeng sa chefo e bolaeang likokoanyana, meriana le dae. Hape ke thepa e tala bakeng sa li-detergents tsa maiketsetso, li-emulsifiers bakeng sa litlolo, joalo-joalo Indasteri ea masela e le mochine oa khatiso le ho daea, antistatic agent, anti-moth agent, detergent. E ka boela ea sebelisoa e le motsoako oa carbon dioxide, motsoako oa enke, le motsoako oa petroleum.

Thepa

Foromo C2H7NO
CAS NO 141-43-5
Ponahalo mokelikeli o se nang 'mala, o bonaletsang, oa viscous
Botenya 1.02 g/cm³
Ntho e belang 170.9 ℃
Ntlha ea ho benya 93.3 ℃
Sephutheloana 210 kg polasetiki moropa / ISO Tanka
Polokelo Boloka sebakeng se pholileng, se nang le moea oa moea, se omileng, se ka thōko ho mohloli oa mollo;
sepalangoang sa ho palamisa le ho theola se lokela ho bolokoa ho latela lipehelo tsa lik'hemik'hale tse chefo tse tukang

* Liparamente ke tsa litšupiso feela. Bakeng sa lintlha, sheba COA

Kopo

Li-reagents tsa lik'hemik'hale, li-solvents, li-emulsifiers
Li-accelerator tsa rabara, li-corrosion inhibitors, li-deactivators

Meetsong ea meriana, MEA e sebelisoa haholo-holo bakeng sa ho thibela kapa ho lokisa li-emulsion. MEA e ka sebelisoa e le pH regulator ho litlolo.

Ke injectable sclerosant e le khetho ea kalafo ea matšoao a li-hemorrhoids. 2-5 ml ea ethanolamine oleate e ka kenngoa ka har'a mucosa ka holim'a li-hemorrhoids ho etsa hore ho be le seso le ho tiisa mucosal ka tsela eo ho thibela li-hemorrhoids hore li theohe ka ntle ho kanale.

Hape ke motsoako oa ho hloekisa mokelikeli oa lifensetere tsa koloi.

Molemo

Boleng ba sehlahisoa, bongata bo lekaneng, ho fana ka katleho, boleng bo phahameng ba tšebeletso E na le molemo ho feta amine e tšoanang, ethanolamine, ka hore ho ka sebelisoa khatello e phahameng bakeng sa matla a tšoanang a kutu. Sena se lumella lihloekisi ho hohla hydrogen sulfide ka sekhahla se tlase sa amine se potolohang ka tšebeliso e fokolang ea matla ka kakaretso.


  • E fetileng:
  • E 'ngoe: