i-methyl-2-pyrrolidone CAS: 872-50-4
Isingeniso somkhiqizo
I-N-Methylpyrrolidone ibizwa ngokuthi i-NMP, ifomula yamangqamuzana: C5H9NO, isiNgisi: 1-Methyl-2-pyrrolidinone, ukubukeka akunambala uketshezi olukhanyayo olukhanyayo oluphuzi, iphunga elincane le-ammonia, kuxubana namanzi nganoma iyiphi ingxenye, kuncibilika ku-ether, i-acetone. Futhi izinyibilikisi ezihlukahlukene eziphilayo ezifana nama-esters, ama-halogenated hydrocarbons, ama-hydrocarbon anephunga elimnandi, njll., ahlanganiswe ngokuphelele ngamakhemikhali nawo wonke ama-solvents, anephuzu elibilayo elingu-204°C kanye nephuzu elikhanyayo elingu-91°C. Ine-hygroscopicity eqinile kanye nezakhiwo zamakhemikhali ezizinzile. Ayigqwali i-carbon steel ne-aluminium, futhi ayigqwali ethusi. Iyagqwala kancane. Inezinzuzo ze-viscosity ephansi, ukuzinza okuhle kwamakhemikhali kanye nokushisa, i-polarity ephezulu, ukuguquguquka okuphansi, nokungahambisani okungenamkhawulo namanzi kanye nezinyibilikisi eziningi eziphilayo. Lo mkhiqizo uyisidakamizwa esincane, futhi umkhawulo ovunyelwe ukugxila emoyeni ngu-100PPM
Inkambu yohlelo lokusebenza
I-N-methylpyrrolidone (NMP) iyi-solvent ye-polar aprotic. Inobuthi obuphansi, indawo yokubilisa ephezulu kanye nokuncibilika okuhle kakhulu. Izinzuzo zokukhetha okuqinile nokuzinza okuhle. Isetshenziswa kakhulu ekukhishweni kwama-aromatics, ukuhlanzwa kwe-acetylene, i-olefins, kanye ne-dienes, i-solvent ye-polyvinylidene fluoride, izinto ezisizayo ze-electrode zamabhethri e-lithium-ion, i-syngas desulfurization, ukucwengisiswa kwe-lubricant, i-lubricant antifreeze, ne-olefin extraction agent. , izincibilikisi ku-polymerization yamapulasitiki obunjiniyela angenakuncibilika, ama-herbicides ezolimo, izinto zokufakelwa, ukukhiqizwa kwesekethe ehlanganisiwe, ukuhlanzwa kwezinsimbi ezinembayo namabhodi wesifunda embonini ye-semiconductor, i-PVC exhaust gas recovery, i-ejenti yokuhlanza, izithasiselo zikadayi, izisabalalisi, njll. isetshenziswa njenge-solvent yama-polymers kanye nendawo yokusabela kwe-polymerization, njengamapulasitiki wobunjiniyela nama-aramid fibers. Ngaphezu kwalokho, ingasetshenziswa nasezintweni zokubulala izinambuzane, imithi kanye nezihlanzi, njll.
Incazelo yokwakha
Ukubukeka Uketshezi olungenambala olubonisa ngale (ngaphezu kuka-25℃)
Ubumsulwa% ≥99.5
Umswakama% ≤0.1
I-Chroma HaZen ≤25
Inkomba ye-Refractive N20D 1.468-1.471
Ukuminyana 1.032-1.035
Isitoreji kanye nezinto zokuhamba
Ukupakisha:ngokwezidingo zamaklayenti
Isitoreji: Gcina endaweni eyomile, emnyama futhi engenamoya.
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