Dicyclohexylamine

Kev Siv

Dicyclohexylamine feem ntau yog siv rau hauv cov teb ntawm cov roj hmab hluavtaws ua kom nrawm dua, cov tshuaj tiv thaiv xeb hlau, cov tshuaj surfactants, cov tshuaj hauv av roj, cov tshuaj thiab cov tshuaj tua kab. Nrog rau kev nce qib ntawm kev tshawb fawb thiab thev naus laus zis, nws cov ntawv thov tshiab tau tsim kho tas li, thiab cov tshuaj zoo uas tau ua tiav zoo yog cov khoom tshiab nrog kev cia siab loj hlob.

kev npaj

Lub hydrorefining reactor yog ib lub tubular fixed-bed reactor nrog lub sab hauv txoj kab uas hla ntawm 20 hli. Lub catalyst yog ib lub nickel-based high-activity catalyst nrog lub ntim ruaj khov ntawm 15 mL. Lub catalyst tau teeb tsa rau hauv thaj chaw isothermal ntawm lub reactor. Qhov loj me ntawm cov khoom me me yog 20 mesh txog 40 mesh. Qhov sib piv ntawm txhua lub hlau hauv lub catalyst yog: Ni: Al: Mo = 85: 5: 5. Crude dicyclohexylamine thiab hydrogen raug qhia los ntawm sab saud ntawm lub reactor los ua qhov hydrorefining reaction. Cov khoom raug sau thiab tshuaj xyuas tas li los ntawm qhov kawg qis ntawm lub reactor. Cov hydrogen tom qab kev sib cais roj-kua tau rov qab thiab rov siv dua. Cov khoom sib xyaw (feem pua ​​​​​​ntawm qhov hnyav) ntawm cov roj dicyclohexylamine hauv Chemicalbook yog 10.15% cyclohexylamine, 5.11% aniline, 79.91% dicyclohexylamine, 0.31% dicyclohexyleneamine, 0.1% cyclohexylaniline, thiab 1.88% cyclohexeneaniline. %. Cov xwm txheej tshuaj tiv thaiv: 180 ° C, 3.5MPa, kua ntim qhov chaw ceev 0.2h-1, hydrogen rau roj piv 1000. Cov khoom faib tom qab hydrorefining: cyclohexylamine 5.76%, aniline 0%, dicyclohexylamine 93.03%, dicyclohexyleneamine 0%, cyclohexylaniline 0.01%, cyclohexeneaniline 0%.

Cov Khoom Siv Tshuaj

Cov kua roj tsis muaj xim thiab pob tshab nrog ntxhiab tsw ammonia. Me ntsis soluble hauv dej, sib xyaw nrog cov organic solvents.

Txoj kev tsim khoom:

Siv aniline ua cov khoom siv raw, hydrogenation ntawm qhov kub thiab siab siab nyob rau hauv qhov muaj cov catalyst yog siv los npaj dicyclohexylamine.

Cov Khoom Siv Tshuaj Dicyclohexylamine

CAS No. 101-83-7

Cov mis tshuaj molecular C12H23N

Qhov hnyav molecular 181.32

EINECS No. 202-980-7

Qhov kub yaj -2 °C

Kub taw tes 256 ° C

Qhov Ceev 0.912 g/mL ntawm 20 °C (lit.)

Qhov ceev ntawm cov pa roj 6 (piv rau huab cua)

Siab ntawm cov pa dej 12 hli Hg (37.7 °C)

Refractive index n20/D 1.4842 (lit.)

Qhov Kub Ceev 205°F

Cov Ntaub Ntawv Tiv Tauj

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