N-METHYL PYRROLIDONE (NMP), molekụla usoro: C5H9NO, English: 1-Methyl-2-pyrrolidinone, colorless na-acha odo odo transperent mmiri mmiri, ubé amonia isi, miscible na mmiri n'ókè ọ bụla, etisasịwo na ethyl ether, acetone, ester, halogenated hydrocarbon, aromatic hydrocarbons na ndị ọzọ organic organic. ihe mgbaze, Fọrọ nke nta niile solvents zuru ezu Chemicalbook mix, esi ebe 204 ℃, flash ebe 91 ℃, hygmoscopic, chemical kwụsie ike, ọ dịghị corrosion ka carbon ígwè, aluminum, ubé corrosive na ọla kọpa.Ọ nwere uru nke viscosity dị ala, ezigbo nkwụsi ike kemịkalụ na nkwụsi ike nke okpomọkụ, elu polarity, obere volatility, na enweghị njedebe na-enweghị njedebe na mmiri na ọtụtụ ihe mgbaze organic.Ngwaahịa a bụ ọgwụ dị nro, oke ike ịta ahụhụ na ikuku bụ 100PPM.
Njirimara na nkwụsi ike:
1. Mmiri mmiri na-enweghị agba, ekpomeekpo amonia, obere nsị nke ngwaahịa a.Ọ nwere ike ịsacha ya na mmiri, soluble na ọtụtụ ihe mgbaze organic dị ka ether na acetone.Ọ nwere ike igbari ọtụtụ organic na inorganic ogige, pola gas, eke na sịntetik polymer ogige.
2. Chemical Njirimara: dịtụ kwụsiri ike na-anọpụ iche ngwọta.Mgbe awa 8 nke 4% nke ngwọta sodium hydroxide gasịrị, 50% ~ 70% nke hydrolysis mere.Hydrolysis na-apụta na ntinye uche ma na-emepụta 4-meth aminocyl acid.N'ihi mmeghachi omume nke cymbal base, ọ nwere ike ịmepụta ketone ma ọ bụ sulfurboline.
3. Na ịdị adị nke alkaline catalysts, ọ na-enwe mmetụta nke olefin, na mmeghachi omume alkylated na-eme na nke atọ.N-methylporide bụ alkaline na-adịghị ike ma nwee ike ịmepụta nnu hydrochloride.Haziri ihe jikọrọ ya na nnu ọla dị arọ, dị ka kpo oku na nickel bromide ruo 150 ℃, na-emepụta NIBR2 (C5H9ON) 3, yana ebe agbaze nke 105 ℃.
Usoro mmepụta:A na-enweta ya site na mmeghachi omume sitere na γ-butthochroditetes na methylemine.Nzọụkwụ mbụ nke mmeghachi omume bụ ịmepụta 4-hydroxyl-N-methyl-base amine maka γ-butthlor na methylide, na nzọụkwụ nke abụọ na-agbaze mmiri iji mepụta N-methylpidohone.Enwere ike ịme mmeghachi omume nzọụkwụ abụọ n'usoro n'ime reactor tube.The γ-butthole bụ 1: 1.15, nrụgide dị ihe dị ka 6MPa, na okpomọkụ bụ 250 Celsius C. Mgbe mmeghachi omume agwụla, a na-enweta ngwaahịa a rụchara site na ntinye uche na decompression distillation.Ọnụ ego a na-enweta bụ 90%.Ọ bụrụ na a na-emepụta kettle anti-ChemicalBook, ọnụ ọgụgụ nke methylmine bụ 1.5-2.5 ugboro nke usoro iwu, na-eji nkwadebe laabu dị ka ihe atụ.N'ime 500ml hydropower, 2mol γ-butterotone na 4 Moore mmiri mmiri na-agbakwunye na-emechi na kpo oku na-emechi na 280 Celsius C maka 4h.Mgbe obi jụrụ, hapụ methamine gabigara ókè, distillation, na-anakọta 201-202 Celsius C distillation ihe, nweta ihe dịka 180g nke ngwaahịa, na ego ga-abụ ihe dịka 90%.Oriri ihe eji eme ihe (kg/g) γ-butthoboretin 980 methyline (40%) 860.
Ọrụ na nchekwa:
1. Usoro nchekwa
Chekwaa n'okpuru gas inert kpọrọ nkụ, debe akpa ahụ, ma chekwaa n'ebe dị jụụ na nkụ.
2. Akpachara anya ọrụ
Zere ikpughe: Ịkwesịrị ịnweta nduzi pụrụ iche tupu eji ya.Zere kọntaktị na akpụkpọ ahụ na anya.Zere ikuku ume na anwụrụ ọkụ.Abịarula ebe ọkụ ahụ si bịa.-Anaghị ese anwụrụ.Mee ihe iji gbochie mkpokọta kwụ ọtọ.
3. Nchekwa nchekwa
Enwere ebe dị mma na nchekwa.Debe ihe mkpuchi ahụ ma chekwaa n'ebe kpọrọ nkụ na ikuku.A ghaghị iji nlezianya mechie akpa ahụ mepere emepe ma dowe ya n'ọnọdụ kwụ ọtọ ka ọ ghara ịwụpụ.Mwepụ nke inflatable nchekwa na-enwe mmetụta iru mmiri.
Nkwakọ ngwaahịa: 200KG/DRUM
Oge nzipu: Mar-27-2023