Tetraethylenepentamine, inozivikanwawo se tritetraethylenediamine, yakapfupikiswa seTEPA, imvura yero kana orenji-tsvuku viscous. Iri nyore kunyungudika mumvura, ethanol uye yakawanda organic solvents, isinganyunguriki mubenzene uye ether.Inotora mvura necarbon dioxide mumhepo zviri nyore. Alkaline. Inowanikwa nekupisa kweamination uye ammonolysis reaction pakati pedichloroethane neammonia, kusarerekera nealkali uyezve distilling pasi pekumanikidzwa kwakaderedzwa. Inoshandiswa segasi chromatography yakamira mhinduro yekusarudza kuchengetedza uye Chemicalbook kupatsanurwa kwedoro, amines, pyridine, quinoline, piperazine, thiols uye mvura. Inoshandiswa muanion exchange resins, mafuta ekuzora ekuwedzera, mafuta ekuwedzera ekuwedzera, uye zvakare anoshandiswa seepoxy resin kurapa vamiririri, rubber vulcanization accelerators, nezvimwe.

Chinangwa

:Tetraethylene pentamine inogona kushandiswa kune yakaoma titration yemhangura, zingi uye nickel neazvino endpoint nzira, saponification yezvinhu zvine acidic, synthetic rubber uye resin gasi kucheneswa uye dehydration agent. Inoshandiswawo sezvinowedzera, kurapa vamiririri, accelerators, nezvimwe.

Nzira yekugadzira:

Ichi chigadzirwa chinosanganiswa ne ethylenediamine, diethylenetriamine, triethylenetetramine, uye polyethylenepolyamine. Nezve misimboti yekugadzira uye mashandiro, ndapota tarisa kune ethylenediamine. Nekudaro, tembiricha yeammonolysis reaction inoda kuve 160 kusvika 250 ° C, uye kudzvanywa kunofanirwa kunge kuri pamusoro pe4.0MPa. Distill crude polyamine product pasi pekumanikidzwa kwakaderedzwa, unganidza zvikamu pa 160-210 ° C pasi pekumanikidzwa kwe 1.3kPa, uye wana chigadzirwa chapera Chemicalbook ye tetraethylpentamine mushure mekutonhodza. Nzira yekunatsa: Dehydrate ne metallic sodium kana anhydrous calcium sulfate uye wobva waparadzana pasi pekumanikidzwa kwakaderedzwa. Unogonawo kunyungudisa 150g yetetraethylenepentamine mu300mL ye95% ethanol, uye zvishoma nezvishoma inodonha mu180mL yeconcentrated hydrochloric acid uchitonhodza, ichichengeta tembiricha iri pasi pe20°C. Sefa mvura yakachena, igadzirise katatu nemusanganiswa we ethanol nemvura, geza ne ether, uye woomesa pasi pevacuum kuti uwane yakachena tetraethylenepentamine hydrochloride.

nature

CAS Nha. 112-57-2

Molecular formula C8H23N5

Molecular uremu 189.3

EINECS Nha. 203-986-2

Kunyungudika -40°C (lit.)

Kubikira poindi 340°C

Density 0.998g/mL pa25°C (lit.)

Mhepo density 6.53 (vsair)

Refractive index n20/D1.505 (lit.)

Flash point 365°F

Mamiriro ekuchengetedza Chengetedza pasi +30 °

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