Uthotho lweekhemikhali ezisisiseko–i-N-methylpyrrolidone (NMP)

Igama lekhemikhali: i-N-methyl-2-pyrrolidone; i-1-methyl-2-pyrrolidone; i-nitrogen-methylpyrrolidone.
INOMBOLO YE-CAS: 872-50-4
Ifomula yemolekyuli: C5H9NO

Igama lesiNgesi: i-N-methyl-2-pyrrolidone
Iipropati: I-N-methylpyrrolidone (i-NMP ngamafutshane) yi-nitrogen heterocyclic compound ene-molecular formula ye-C5H9NO kunye neqondo lokubila le-204°C. Lulwelo olunevumba elincinci le-ammonia. Luxutywa namanzi nangayiphi na indlela kwaye luhambelana phantse nazo zonke izinyibilikisi (i-ethanol, i-ethanol, i-Acetaldehyde, ii-ketones, ii-hydrocarbons ezinuka kamnandi, njl.njl.) zixutywe ngokupheleleyo.

I-NMP sisinyibilikisi se-polar aprotic esine-boiling point ephezulu, i-polarity enamandla, i-viscosity ephantsi, i-solubility enamandla, i-non-corrosion, i-toxicity ephantsi, i-biobolibility enamandla, i-volatility ephantsi, uzinzo oluhle kakhulu lweekhemikhali kunye nozinzo lobushushu.

Inkqubo yokuvelisa: I-NMP ibisoloko isetyenziswa njengemveliso kwaye ubuchwepheshe buvuthiwe. Inkqubo yayo yokuvelisa ibandakanya ukunyibilikisa i-1,4-butanediol (BDO) ukuvelisa i-γ-butyrolactone (GBL), uze emva koko ukufakelwa kwe-γ-butyrolactone kunye ne-monomethylamine. Le reaction ivelisa iimveliso, ezithi emva koko zinyibilikiswe kwaye zicocwe zibe yi-NMP yemveliso egqityiweyo.

Iindawo zokusetyenziswa

I-N-Methylpyrrolidone sisinyibilikisi esikumgangatho ophezulu esisetyenziswa kwiikhemikhali zepetroli, izibulali-zinambuzane, amayeza, izixhobo ze-elektroniki nakwezinye iindawo. Ingasetyenziswa njenge-acetylene concentration, i-syngas desulfurization, i-lubricating oil refinance, i-lubricating oil antifreeze, i-olefin extraction agent, i-solvent kwi-polymerization yeplastiki yobunjineli enganyibilikiyo, i-herbicides yezolimo, izixhobo zokuthintela ukuxinana, imveliso yesekethe edibeneyo, i-PVC exhaust gas recovery, ii-cleaners, i-dye auxiliaries, i-dispersants, njl.

Iindawo zokusetyenziswa

I-N-Methylpyrrolidone sisinyibilikisi esikumgangatho ophezulu esisetyenziswa kwiikhemikhali zepetroli, izibulali-zinambuzane, amayeza, izixhobo ze-elektroniki nakwezinye iindawo. Ingasetyenziswa njenge-acetylene concentration, i-syngas desulfurization, i-lubricating oil refinance, i-lubricating oil antifreeze, i-olefin extraction agent, i-solvent kwi-polymerization yeplastiki yobunjineli enganyibilikiyo, i-herbicides yezolimo, izixhobo zokuthintela ukuxinana, imveliso yesekethe edibeneyo, i-PVC exhaust gas recovery, ii-cleaners, i-dye auxiliaries, i-dispersants, njl.

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