ʻO Tetraethylenepentamine, ʻike ʻia hoʻi ʻo tritetraethylenediamine, i hoʻopau ʻia ʻo TEPA, he wai melemele a ʻalani-ʻulaʻula. Hiki ke hoʻoheheʻe ʻia i loko o ka wai, ethanol a me ka hapa nui o nā mea hoʻoheheʻe kūlohelohe, ʻaʻole hiki ke hoʻoheheʻe ʻia i loko o ka benzene a me ka ether. Hoʻopili maʻalahi ia i ka wai a me ka carbon dioxide i ka lewa. ʻAlika. Loaʻa ia ma ka thermal amination a me ka hopena ammonolysis ma waena o ka dichloroethane a me ka amonia, ka hoʻokaʻawale ʻana me ka alkali a laila distilling ma lalo o ke kaomi hoʻemi. Hoʻohana ʻia e like me ke kinoea chromatography stationary solution no ka hoʻopaʻa ʻana a me ka Chemicalbook hoʻokaʻawale ʻana i nā waiʻona, amines, pyridine, quinoline, piperazine, thiols a me ka wai. Hoʻohana ʻia i nā resins hoʻololi anion, lubricating oil additives, fuel oil additives, a hoʻohana pū ʻia e like me ka epoxy resin curing agents, rubber vulcanization accelerators, etc.

Ke kumu

Hiki ke hoʻohana ʻia ka Tetraethylene pentamine no ka titration paʻakikī o ke keleawe, ka zinc a me ka nickel ma ke ʻano hopena o kēia manawa, ka saponification o nā mea waikawa, ka lāʻau synthetic a me ka hoʻomaʻemaʻe kinoea resin a me ka mea hoʻomaʻemaʻe wai. Hoʻohana pū ʻia e like me nā additives, curing agents, accelerators, etc.

Hana hana:

He huahana hui kēia o ka ethylenediamine, diethylenetriamine, triethylenetetramine, a me polyethylenepolyamine. No nā loina hana a me nā hana, e ʻoluʻolu e nānā i ka ethylenediamine. Eia naʻe, pono ka mahana o ka hopena ammonolysis ma 160 a 250 ° C, a ʻoi aku ke kaomi ma luna o 4.0MPa. E hoʻoheheʻe i ka huahana polyamine ma lalo o ke kaomi hoʻemi ʻia, e hōʻiliʻili i nā hakina ma 160-210°C ma lalo o ke kaomi ʻana o 1.3kPa, a loaʻa i ka huahana Chemicalbook o ka tetraethylpentamine ma hope o ka hoʻoilo. Ke ʻano hoʻomaʻemaʻe: E hoʻomaʻemaʻe me ka sodium metala a i ʻole calcium sulfate anhydrous a laila e hoʻokaʻawale ma lalo o ke kaomi hoʻemi ʻia. Hiki iā ʻoe ke hoʻoheheʻe i 150g o ka tetraethylenepentamine i 300mL o 95% ethanol, a hāʻule mālie i loko o 180mL o ka waika hydrochloric concentrated i ka wā e hoʻomaha ai, e mālama ana i ka mahana ma lalo o 20°C. E kānana i ka ʻeke keʻokeʻo, e hoʻoinu hou i ʻekolu manawa me ka hui ʻana o ka ethanol a me ka wai, holoi me ka etera, a maloʻo ma lalo o ka momi no ka loaʻa ʻana o ka tetraethylenepentamine hydrochloride maʻemaʻe.

ʻano ʻano

Helu CAS 112-57-2

ʻAno molekole C8H23N5

Kaumaha Molekala 189.3

EINECS Helu 203-986-2

Ka helu heheʻe -40°C (māmā)

Ka helu hoʻolapalapa 340°C

Māmā 0.998g/mL ma 25°C (kumu)

Māmā 6.53 (vsair)

Hōʻike hōʻike manaʻo n20/D1.505 (ʻā.)

Kekahi uila 365°F

Nā kūlana mālama hale kūʻai ma lalo+30°

ʻIkepili Hoʻokaʻaʻike

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