Tetraethylenepentamine, nke a makwaara dị ka tritetraethylenediamine, nke a na-akpọ TEPA, bụ mmiri mmiri odo ma ọ bụ oroma-acha ọbara ọbara. Ọ na-agbaze ngwa ngwa na mmiri, ethanol na ọtụtụ ihe mgbaze organic, nke na-anaghị agbaze na benzene na ether. Ọ na-amịkọrọ mmiri na carbon dioxide n'ikuku ngwa ngwa. Alkaline. A na-enweta ya site na mmeghachi omume okpomọkụ na ammonolysis n'etiti dichloroethane na ammonia, na-eme ka ọ ghara ịdị ọcha na alkali wee na-agbaze n'okpuru nrụgide dị ala. Ejiri ya dị ka ihe ngwọta gas chromatography maka njigide nhọrọ na nkewa nke alcohols, amines, pyridine, quinoline, piperazine, thiols na mmiri. Ejiri ya na resin mgbanwe anion, ihe mgbakwunye mmanụ na-ete mmanụ, ihe mgbakwunye mmanụ ọkụ, yana ejiri ya dị ka ihe na-agwọ epoxy resin, ihe na-eme ka roba vulcanization accelerators, wdg.

Ebumnuche

: Enwere ike iji Tetraethylene pentamine mee ihe maka nhazi mgbagwoju anya nke ọla kọpa, zinc na nickel site na usoro njedebe ugbu a, saponification nke ihe acidic, nhicha gas roba na resin na ihe na-eme ka mmiri ghara ịgwụ. A na-ejikwa ya dị ka ihe mgbakwunye, ihe na-agwọ ọrịa, ihe na-eme ka ihe na-eme ka ọ dị ngwa ngwa, wdg.

Usoro mmepụta:

Ngwaahịa a bụ ngwaahịa ethylenediamine, diethylenetriamine, triethylenetetramine, na polyethylenepolyamine. Maka ụkpụrụ na ọrụ mmepụta, biko lee ethylenediamine. Agbanyeghị, okpomọkụ nke mmeghachi omume ammonolysis kwesịrị ịdị site na 160 ruo 250°C, nrụgide ahụ kwesịkwara ịdị elu karịa 4.0MPa. Wepụ ngwaahịa polyamine a na-adịghị ahụkebe n'okpuru nrụgide dị ala, chịkọta akụkụ ndị ahụ na 160-210°C n'okpuru nrụgide nke 1.3kPa, wee nweta akwụkwọ kemịkalụ nke tetraethylpentamine mgbe ọ jụrụ oyi. Usoro nhazi: Gbazee mmiri mmiri na sodium metallic ma ọ bụ calcium sulfate anhydrous wee gbasaa n'okpuru nrụgide dị ala. Ị nwekwara ike ịgbaze 150g nke tetraethylenepentamine na 300mL nke ethanol 95%, wee jiri nwayọ belata 180mL nke hydrochloric acid a na-etinye n'ime ya mgbe ọ na-ajụ oyi, na-edebe okpomọkụ dị n'okpuru 20°C. Sachaa ihe mkpuchi ọcha ahụ, jiri ngwakọta ethanol na mmiri hichaa ya ugboro atọ, saa ya na ether, ma kpoo ya n'okpuru oghere iji nweta tetraethylenepentamine hydrochloride dị ọcha.

okike

Nọmba CAS 112-57-2

Usoro molekụla C8H23N5

Ibu molekụla 189.3

EINECS Nke 203-986-2

Ebe agbaze -40°C (ọkụ)

Ebe esi mmiri 340°C

Njupụta 0.998g/mL na 25°C (ọkụ)

Njupụta uzuoku 6.53 (vsair)

Ndekọ ihe na-agbanwe agbanwe n20/D1.505 (ọkụ..)

Ebe ọkụ 365°F

Ọnọdụ nchekwa Debe n'okpuru +30°

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