N-METHYL PYRROLIDONE(NMP), foromo ea molek'hule :C5H9NO, Sesotho:1-Methyl-2-pyrrolidinone, metsi a se nang 'mala ho isa ho mosehla o bonaletsang, monko o fokolang oa ammonia, o kopantsoeng le metsi ka tekanyo efe kapa efe, o qhibilihisoa ka ethyl ether, acetone, ester, halogenated hydrocarbon, hydrocarbons e nkhang hamonate le lintho tse ling tse phelang. solvents, Hoo e ka bang metsoako eohle e hlapollang Chemicalbook mix, beiling point 204℃, flash point 91℃, hygmoscopic, chemical stability, ha ho kutu ho carbon steel, aluminium, hanyenyane ho senya ho koporo.E na le melemo ea viscosity e tlaase, botsitso bo botle ba lik'hemik'hale le botsitso ba mocheso, polarity e phahameng, ho fokotseha ho fokolang, le ho se leka-lekane ho sa feleng ka metsi le lihlahisoa tse ngata tsa tlhaho.Sehlahisoa sena ke sethethefatsi se bobebe, moeli o lumelletsoeng moeeng ke 100PPM.
Thepa le botsitso:
1. Mokelikeli o se nang mebala, tatso ea ammonia, chefo e tlaase ea sehlahisoa sena.E ka qhibiliha ka metsi, e qhibiliha ka har'a metsoako e mengata ea tlhaho e kang ether le acetone.E ka qhaqha metsoako e mengata ea lintho tse phelang le tse sa tsitsang, likhase tsa polar, metsoako ea tlhaho le ea maiketsetso ea polymer.
2. Lintho tsa lik'hemik'hale: e batlang e tsitsitse ka tharollo e sa nke lehlakore.Kamora lihora tse 8 tsa 4% ea tharollo ea sodium hydroxide, 50% ~ 70% ea hydrolysis e etsahetse.Hydrolysis e etsahala ka concentrates 'me e hlahisa 4-meth aminocyl acid.Ka lebaka la karabelo ea motheo oa cymbal, e ka hlahisa ketone kapa sulfurboline.
3. Ho ba teng ha li-catalyst tsa alkaline, ho na le phello ea olefin, 'me karabelo ea alkylated e etsahala sebakeng sa boraro.N-methylporide e fokola ka alkaline mme e ka hlahisa letsoai la hydrochloride.E thehile motsoako o kopantsoeng le letsoai la tšepe e boima, joalo ka ho futhumatsa ka nickel bromide ho isa ho 150 ℃, ho hlahisa NIBR2(C5H9ON)3, le sebaka se qhibilihang sa 105 ℃.
Mokhoa oa tlhahiso:E fumanoa ka karabelo ho tsoa ho γ-butthochroditettes le methylemine.Mohato oa pele oa karabelo ke ho hlahisa 4-hydroxyl-N-methyl-base amine bakeng sa γ-butthlor le methylide, 'me mohato oa bobeli o felloa ke metsi ho hlahisa N-methylpidohone.Karabelo ea mehato e 'meli e ka etsoa ka tatellano ka har'a mochini oa tube.The γ-butthole ke 1: 1.15, khatello e ka bang 6MPa, 'me mocheso ke 250 ° C. Ka mor'a hore karabelo e phethoe, sehlahisoa se phethiloeng se fumanoa ka distillation e tsepamisitsoeng le ea decompression.Sekhahla sa chelete ke 90%.Haeba kettle anti-ChemicalBook e hlahisoa, palo ea methylmine ke makhetlo a 1.5-2.5 ho feta tekano, 'me ho lokisoa ha laboratori ho sebelisoa e le mohlala.Har'a matla a metsi a 500ml, 2mol γ-buterotone le mokelikeli oa 4 Moore li eketsoa ho koaloa le ho futhumatsoa ho koaloa ka 280 ° C bakeng sa 4h.Kamora ho pholile, lokolla methamine e feteletseng, distillation, bokella lintlha tsa 201-202 ° C, fumana hoo e ka bang 180g ea lihlahisoa, 'me chelete e kenang e tla ba hoo e ka bang 90%.Tšebeliso ea lintho tse tala (kg/g) γ-butthoboretin 980 methyline (40%) 860.
Ts'ebetso le polokelo:
1. Mokhoa oa ho boloka
Boloka ka tlas'a khase e omileng ea inert, boloka setshelo se tiisitsoe, 'me u boloke sebakeng se phodileng le se omileng.
2. Litlhokomelo tsa ts'ebetso
Qoba ho pepeseha: U hloka ho fumana tataiso e khethehileng pele u e sebelisa.Qoba ho kopana le letlalo le mahlo.Qoba ho hema mouoane le mosi.U se ke ua atamela mohloli oa mollo.-H a Ho Tsubeloe.Nka mehato ea ho thibela ho bokellana ho sa fetoheng.
3. Litlhokomelo tsa polokelo
Ho na le sebaka se phodileng sa polokelo.Boloka setshelo se kwetswe mme o se boloke sebakeng se ommeng le se nang le moya.Setshelo se bulehileng se tlameha ho kwalwa ka hloko mme se boloke sebaka se emeng ho thibela ho dutla.Ho tlosoa ha tšireletso ea inflatable ho nahanela mongobo.
PAKATSO:200KG/DRUM
Nako ea poso: Mar-27-2023