DEG e hlahisoa ke karolo ea hydrolysis ea ethylene oxide. Ho itšetlehile ka maemo, palo e fapaneng ea DEG le li-glycols tse amanang le tsona li hlahisoa. Sehlahisoa se hlahisoang ke limolek'hule tse peli tsa ethylene glycol tse kopantsoeng ke tlamo ea ether.
"Diethylene glycol e tsoa e le sehlahisoa se kopantsoeng le ethylene glycol (MEG) le triethylene glycol. Ka kakaretso indasteri e sebetsa ho eketsa tlhahiso ea MEG. Ethylene glycol ke boholo bo boholo ka ho fetisisa ba lihlahisoa tsa glycol ka mefuta e sa tšoaneng ea lisebelisoa. Ho fumaneha ha DEG. e tla itšetleha ka tlhokahalo ea lihlahisoa tsa sehlahisoa sa mantlha, ethylene glycol, ho fapana le litlhoko tsa mmaraka tsa DEG."
Foromo | C4H10O3 | |
CAS NO | 111-46-6 | |
ponahalo | mokelikeli o se nang 'mala, o bonaletsang, oa viscous | |
tekano | 1.1±0.1 g/cm3 | |
ntlha e belang | 245.7±0.0 °C ho 760 mmHg | |
flash(ing) ntlha | 143.3±0.0 °C | |
phutheloana | moropa/ ISO Tanka | |
Polokelo | Boloka sebakeng se pholileng, se nang le moea o pholileng, se omileng, se arohaneng le mohloli oa mollo, lipalangoang tsa ho palamisa le ho laolla li lokela ho bolokoa ho latela litokisetso tsa lik'hemik'hale tse chefo tse tukang. |
* Liparamente ke tsa litšupiso feela. Bakeng sa lintlha, sheba COA
E sebelisoa e le sesebelisoa sa ho ntša metsi 'meleng le mokelikeli oa aromatics, hape e sebelisoa e le setlolo sa masela, se nolofatsa le ho qeta, hammoho le plasticizer, humidifier, sizing agent, nitrocellulose, resin le grease solvent. |
Diethylene glycol e sebelisoa ha ho etsoa li-resin tsa polyester tse tletseng le tse sa tsitsang, li-polyurethanes, le li-plasticizers.DEG e sebelisoa e le mohaho oa ho haha motsoako oa lintho tse phelang, mohlala oa morpholine le 1,4-dioxane. Ke solvent bakeng sa nitrocellulose, resin, dae, oli le metsoako e meng ea tlhaho. Ke motsoako oa motsoko oa koae, kork, enke ea khatiso le sekhomaretsi. Hape ke motsoako oa brake fluid, lubricant, li-wallpaper strippers, moholi oa maiketsetso le litharollo tsa moholi, le mafura a futhumatsang / a ho pheha. lotions, deodorants), DEG hangata e nkeloa sebaka ke diethylene glycol ethers tse khethiloeng. Tharollo e hlapollang ea diethylene glycol e ka boela ea sebelisoa e le cryoprotectant; Leha ho le joalo, ethylene glycol e sebelisoa haholo. Boholo ba ethylene glycol antifreeze bo na le liperesente tse 'maloa tsa diethylene glycol, tse teng e le sehlahisoa sa tlhahiso ea ethylene glycol.
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.