Mndandanda wa mankhwala oyambira–N-methylpyrrolidone (NMP)

Dzina la mankhwala: N-methyl-2-pyrrolidone; 1-methyl-2-pyrrolidone; nitrogen-methylpyrrolidone.
CAS NO.: 872-50-4
Fomula ya maselo: C5H9NO

Dzina la Chingerezi: N-methyl-2-pyrrolidone
Kapangidwe kake: N-methylpyrrolidone (NMP mwachidule) ndi nitrogen heterocyclic compound yokhala ndi molekyulu ya C5H9NO ndi kutentha kotentha kwa 204°C. Ndi madzi okhala ndi fungo lochepa la ammonia. Amasakanikirana ndi madzi mosiyanasiyana ndipo amagwirizana ndi pafupifupi zosungunulira zonse (ethanol, ethanol, Acetaldehyde, ketones, aromatic hydrocarbons, ndi zina zotero) zomwe zimasakanizidwa kwathunthu.

NMP ndi chosungunulira cha polar aprotic chokhala ndi malo otentha kwambiri, polarity yamphamvu, kukhuthala kochepa, kusungunuka kwamphamvu, kusawononga, poizoni wotsika, kuwonongeka kwamphamvu kwachilengedwe, kusinthasintha kochepa, kukhazikika kwabwino kwa mankhwala komanso kukhazikika kwa kutentha.

Njira Yopangira: NMP yakhala ikugwiritsidwa ntchito m'mafakitale kwa nthawi yayitali ndipo ukadaulo wake ndi wokhwima. Njira yake yopangira imakhala ndi kuchotsa hydrogen 1,4-butanediol (BDO) kuti ipange γ-butyrolactone (GBL), kenako kulowetsedwa kwa γ-butyrolactone ndi monomethylamine. Kuchitapo kanthu kumapanga zinthu, zomwe kenako zimasungunuka ndikuyeretsedwa kukhala chinthu chomalizidwa cha NMP.

Madera ogwiritsira ntchito

N-Methylpyrrolidone ndi chosungunulira chabwino kwambiri chomwe chimagwiritsidwa ntchito mu petrochemicals, mankhwala ophera tizilombo, mankhwala, zipangizo zamagetsi ndi zina. Ingagwiritsidwe ntchito ngati acetylene concentration, syngas desulfurization, lubricating oil refilling, lubricating oil antifreeze, olefin extraction agent, solvent mu polymerization ya mapulasitiki opangidwa ndi uinjiniya osasungunuka, mankhwala ophera udzu a zaulimi, zipangizo zotetezera kutentha, kupanga ma circuit ophatikizidwa, kubwezeretsanso mpweya wa PVC, zotsukira, zodzoladzola, zodulira utoto, ndi zina zotero.

Madera ogwiritsira ntchito

N-Methylpyrrolidone ndi chosungunulira chabwino kwambiri chomwe chimagwiritsidwa ntchito mu petrochemicals, mankhwala ophera tizilombo, mankhwala, zipangizo zamagetsi ndi zina. Ingagwiritsidwe ntchito ngati acetylene concentration, syngas desulfurization, lubricating oil refilling, lubricating oil antifreeze, olefin extraction agent, solvent mu polymerization ya mapulasitiki opangidwa ndi uinjiniya osasungunuka, mankhwala ophera udzu a zaulimi, zipangizo zotetezera kutentha, kupanga ma circuit ophatikizidwa, kubwezeretsanso mpweya wa PVC, zotsukira, zodzoladzola, zodulira utoto, ndi zina zotero.

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