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'ụzọ ọ bụla, etisasịwo na ethyl ether, acetone, ester, halogenated hydrocarbon, aromatic hydrocarbons na ndị ọzọ organic esi mmiri mmiri, Almost 4 mmiri mmiri na-agbaze, Almost4. flash point 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