N-METHYL PYRROLIDONE (NMP), usoro molekul:C5H9NO, Bekee:1-Methyl-2-pyrrolidinone, mmiri doro anya na-enweghị agba ruo na-acha odo odo, isi ammonia dị ntakịrị, a na-agwakọta ya na mmiri n'ogo ọ bụla, agbazere na ethyl ether, acetone, ester, halogenated hydrocarbon, aromatic hydrocarbons na ihe mgbaze organic ndị ọzọ. Ihe fọrọ nke nta ka ọ bụrụ ihe mgbaze niile mejupụtara ngwakọta akwụkwọ Chemicalbook, ebe esi mmiri 204℃, ebe ọkụ 91℃, hygmoscopic, nkwụsi ike kemịkalụ, enweghị mmebi na ígwè carbon, aluminom, ntakịrị ihe na-emebi emebi nye ọla kọpa. O nwere uru nke obere viscosity, ezigbo nkwụsi ike kemịkalụ na nkwụsi ike okpomọkụ, polarity dị elu, obere mgbanwe, na enweghị njedebe na mmiri na ọtụtụ ihe mgbaze organic. Ngwaahịa a bụ ọgwụ dị nro, oke ntinye a na-ekwe ka ikuku dị bụ 100PPM.
Njirimara na nkwụsi ike:
1. Mmiri mmiri na-enweghị agba, ụtọ ammonia, obere nsí nke ngwaahịa a. Enwere ike ịgbaze ya na mmiri, ọ na-agbazekwa na ọtụtụ ihe mgbaze organic dị ka ether na acetone. Ọ nwere ike ịgbaze ọtụtụ ihe ndị organic na ndị na-adịghị ahụkebe, gas polar, ihe ndị sitere n'okike na ihe ndị e ji emepụta polymer.
2. Njirimara kemịkalụ: ọ kwụsiri ike na mmiri na-anọpụ iche. Mgbe awa 8 nke mmiri sodium hydroxide 4 gasịrị, 50% ~ 70% nke mmiri hydrolysis mere. Mmiri hydrolysis na-eme na mkpokọta ma na-emepụta 4-meth aminocyl acid. N'ihi mmeghachi omume nke ntọala cymbal, ọ nwere ike ịmepụta ketone ma ọ bụ sulfurboline.
3. Ọ bụrụ na e nwere ihe ndị na-akpali alkaline, ọ nwere mmetụta nke olefin, mmeghachi omume alkylated na-apụtakwa n'ọnọdụ nke atọ. N-methylporide adịghị ike ma nwee ike imepụta nnu hydrochloride. Ọ mepụtara nnu ígwè dị arọ, dị ka ikpo ọkụ na nickel bromide ruo 150℃, na-emepụta NIBR2(C5H9ON)3, na ebe ịgbaze nke 105℃.
Usoro mmepụta:A na-enweta ya site na mmeghachi omume site na γ-butthochroditets na methylemine. Nzọụkwụ mbụ nke mmeghachi omume ahụ bụ imepụta amine 4-hydroxyl-N-methyl-base maka γ-butthlor na methylide, a na-ewepụkwa usoro nke abụọ mmiri mmiri iji mepụta N-methylpidohone. Enwere ike ime mmeghachi omume nzọụkwụ abụọ n'usoro na ihe nrụpụta tube. γ-butthole bụ 1: 1.15, nrụgide ahụ dị ihe dị ka 6MPa, okpomọkụ ahụ dịkwa 250 ° C. Mgbe emechara mmeghachi omume ahụ, a na-enweta ngwaahịa emechara site na distillation concentrated na decompression. Ọnụego ego a na-enweta bụ 90%. Ọ bụrụ na emepụta kettle anti-ChemicalBook, ọnụọgụ methylmine dị 1.5-2.5 ugboro nke ego echiche, a na-ejikwa nkwadebe ụlọ nyocha dị ka ihe atụ. N'ime ike mmiri 500ml, a na-agbakwụnye mmiri mmiri 2mol γ-butterotone na mmiri Moore 4 ka emechie ma kpoo ya ọkụ na 280 ° C maka awa 4. Mgbe ị jụrụ oyi, hapụ oke methamine, tinye distillation, chịkọta isi ihe distillation 201-202 ° C, nweta ihe dị ka 180g nke ngwaahịa, ego a ga-enweta ga-abụ ihe dị ka 90%. Oriri ihe eji arụ ọrụ (kg/g) γ-butthoboretin 980 methyline (40%) 860.
Ọrụ na nchekwa:
1. Ụzọ nchekwa
Debe ya n'okpuru gas akọrọ nke na-anaghị agbanwe agbanwe, mechie akpa ahụ, ma debe ya n'ebe dị jụụ ma kpọọ nkụ.
2. Ihe mgbochi ọrụ
Zere ikpughe: Ị kwesịrị inweta nduzi pụrụ iche tupu i jiri ya. Zere ka ọ banye n'akpụkpọ ahụ na anya. Zere ka anwụrụ ọkụ na anwụrụ ọkụ ghara ịfụ. Erukwala ebe ọkụ si apụta. -Agaghị ese anwụrụ. Mee ihe iji gbochie mkpokọta ihe na-anaghị agbanwe agbanwe.
3. Ihe ndị dị mkpa maka nchekwa
E nwere ebe dị jụụ n'ebe a na-echekwa ihe. Debe ihe mkpuchi ahụ n'ebe kpọrọ nkụ ma nwee ikuku. A ga-emechi ihe mkpuchi ahụ nke ọma ma debe ya n'ọnọdụ kwụ ọtọ iji gbochie mmiri ịpụ apụ. Iwepụ ihe nchekwa ikuku na-adịghị mma na-emetụta iru mmiri.
Nkwakọ ngwaahịa: 200KG/DRUM
Oge ozi: Maachị-27-2023