I-Dicyclohexylamine

Ukusetshenziswa

I-Dicyclohexylamine isetshenziswa kakhulu emikhakheni yezisheshisi zerabha zokwenziwa, izithibi zokugqwala kwensimbi, ama-surfactants, amakhemikhali asezindaweni zikawoyela, imithi kanye nezibulala-zinambuzane. Ngokuthuthuka kwesayensi nobuchwepheshe, izinhlelo zayo ezintsha ziyathuthukiswa njalo, futhi amakhemikhali amahle akhiqizwe ngempumelelo ngokuyinhloko ayimikhiqizo emisha enamathuba okuthuthukiswa.

ukulungiselela

I-hydrorefining reactor iyi-tube fixed-bed reactor enobubanzi obungaphakathi obungu-20 mm. I-catalyst iyi-catalyst esebenzayo ephezulu esekelwe ku-nickel enomthamo oqinile ongu-15 mL. I-catalyst ifakwa endaweni ye-isothermal ye-reactor. Usayizi wezinhlayiya ungama-mesh angu-20 kuya kuma-mesh angu-40. Isilinganiso sobuningi bento ngayinye yensimbi ku-catalyst yilesi: Ni:Al:Mo=85:5:5. I-Crude dicyclohexylamine kanye ne-hydrogen kungeniswa kusuka engxenyeni engenhla ye-reactor ukuze kwenziwe ukusabela kwe-hydrorefining. Imikhiqizo iqoqwa futhi ihlaziywe njalo kusukela ekugcineni okuphansi kwe-reactor. I-hydrogen ngemuva kokuhlukaniswa kwegesi noketshezi iyatholwa futhi isetshenziswe kabusha. Ukwakheka (iphesenti lesisindo) kwe-dicyclohexylamine eluhlaza ku-Chemicalbook kungu-10.15% cyclohexylamine, 5.11% aniline, 79.91% dicyclohexylamine, 0.31% dicyclohexyleneamine, 0.1% cyclohexylaniline, kanye no-1.88% cyclohexeneaniline. %. Izimo zokusabela: 180°C, 3.5MPa, ivolumu yesikhala soketshezi 0.2h-1, isilinganiso se-hydrogen kuya ku-oyili esingu-1000. Ukusatshalaliswa komkhiqizo ngemuva kokuhlanza i-hydro: cyclohexylamine 5.76%, aniline 0%, dicyclohexylamine 93.03%, dicyclohexyleneamine 0%, cyclohexylaniline 0.01%, cyclohexeneaniline 0%.

Izakhiwo Zamakhemikhali

Uketshezi olunamafutha olungenambala nolubonakalayo olunephunga elinamandla le-ammonia. Luncibilika kancane emanzini, luxubene nezinyibilikisi eziphilayo.

Indlela yokukhiqiza:

Ukusebenzisa i-aniline njengezinto zokusetshenziswa, i-hydrogenation ekushiseni okuphezulu kanye nokucindezela okuphezulu lapho kukhona i-catalyst isetshenziselwa ukulungiselela i-dicyclohexylamine.

Izakhiwo Zamakhemikhali ze-Dicyclohexylamine

Inombolo ye-CAS 101-83-7

Ifomula yama-molecule C12H23N

Isisindo sama-molecule 181.32

Inombolo ye-EINECS 202-980-7

Iphuzu lokuncibilika -2 °C

Iphuzu lokubila 256 °C

Ubuningi 0.912 g/mL ku-20 °C (ngokukhanya)

Ubuningi bomusi 6 (uma kuqhathaniswa nomoya)

Umfutho womusi 12 mm Hg (37.7 °C)

Inkomba yokuhombisa n20/D 1.4842 (lit.)

Iphoyinti Lokukhanya 205°F

Ulwazi lokuxhumana

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