Tetraethylenepentamine, nke a makwaara dị ka tritetraethylenediamine, nke akpọrọ TEPA, bụ mmiri viscous odo ma ọ bụ oroma na-acha ọbara ọbara. Na-agbaze ngwa ngwa na mmiri, ethanol na ọtụtụ ihe mgbaze organic, nke a na-apụghị ịsacha na benzene na ether.Ọ na-amịkọrọ mmiri na carbon dioxide n'ikuku ngwa ngwa. Alkaline. A na-enweta ya site na amination thermal na ammonolysis mmeghachi omume n'etiti dichloroethane na amonia, neutralizing na alkali na mgbe ahụ distilling n'okpuru mbelata nrụgide. A na-eji ya dị ka ihe ngwọta chromatography gas maka njide nhọrọ na nkewa kemịkalụ nke alcohols, amines, pyridine, quinoline, piperazine, thiols na mmiri. A na-eji resins mgbanwe anion, ihe mgbakwunye mmanụ na-ete mmanụ, mgbakwunye mmanụ mmanụ, ma na-ejikwa ya dị ka ihe na-agwọ ọrịa resin epoxy, ndị na-eme ngwa ngwa rubber vulcanization, wdg.

Ebumnuche

Enwere ike iji tetraethylene pentamine mee ihe maka titration nke ọla kọpa, zinc na nickel site na usoro njedebe ugbu a, saponification nke ihe acidic, roba sịntetik na resin gas dị ọcha na onye na-ahụ maka akpịrị ịkpọ nkụ. A na-ejikwa ya dị ka ihe mgbakwunye, ndị na-agwọ ọrịa, accelerators, wdg.

Usoro mmepụta:

Ngwaahịa a bụ ihe jikọrọ ethylenediamine, diethylenetriamine, triethylenetetramine, na polyethylenepolyamine. Maka ụkpụrụ mmepụta na arụmọrụ, biko rụtụ aka na ethylenediamine. Otú ọ dị, okpomọkụ nke mmeghachi omume ammonolysis kwesịrị ịdị 160 ruo 250 Celsius C, na nrụgide kwesịrị ịdị n'elu 4.0MPa. Wepu ngwaahịa polyamine crude n'okpuru nrụgide belatara, na-anakọta ụmụ irighiri ihe na 160-210 Celsius n'okpuru nrụgide nke 1.3kPa, wee nweta ngwaahịa kemịkalụ tetraethylpentamine emechara mgbe ọ jụrụ. Usoro nnụcha: Kpochapụ ya na sodium dara ma ọ bụ calcium sulfate anhydrous wee kee akụkụ n'okpuru nrụgide belatara. Ị nwekwara ike igbari 150g nke tetraethylenepentamine na 300mL nke 95% ethanol, wee jiri nwayọọ nwayọọ daa na 180ml nke hydrochloric acid mgbe ọ na-ajụ oyi, na-edebe okpomọkụ n'okpuru 20 ° C. Wepu ihe na-acha ọcha, were ngwakọta nke ethanol na mmiri megharịa ya ugboro atọ, sachaa ya na ether, ma kpochaa n'okpuru oghere iji nweta tetraethylenepentamine hydrochloride dị ọcha.

okike

CAS Nọmba 112-57-2

Usoro ihe omimi C8H23N5

Arọ molikula 189.3

EINECS Nọmba 203-986-2

Ebe mgbaze -40°C (ọkụ)

Ebe esi mmiri ọkụ 340 ° C

Njupụta 0.998g/ml na 25°C (ọkụ.)

Uzuoku njupụta 6.53 (vsair)

Ntụgharị ntụgharị n20/D1.505 (lit.)

Ebe ọkụ ọkụ 365°F

Ọnọdụ nchekwa echekwara n'okpuru+30°

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