N-I-METHYL PYRROLIDONE(NMP), ifomula yemolekyuli :C5H9NO, IsiNgesi: 1-Methyl-2-pyrrolidinone, ayinambala ukuya kumthubi ocacileyo ulwelo, ivumba elincinci le-ammonia, ixutywa namanzi nangayiphi na indlela, inyibilikiswe kwi-ethyl ether, i-acetone, i-ester, i-halogenated hydrocarbons, ii-aromatic hydrocarbons kunye nezinye izinyibilikisi zendalo, Phantse zonke izinyibilikisi zigqibezela umxube weChemicalbook, iqondo lokubila 204℃, iqondo lokukhanya 91℃, i-hygmoscopic, uzinzo lwekhemikhali, akukho corrosion kwi-carbon steel, i-aluminium, i-corrosive kancinci kwi-copper. Inezibonelelo ze-viscosity ephantsi, uzinzo oluhle lwekhemikhali kunye nokuzinza kobushushu, i-polarity ephezulu, ukuguquguquka okuphantsi, kunye nokungafani okungenamkhawulo namanzi kunye nezinyibilikisi ezininzi zendalo. Le mveliso liyeza elincinci, uxinano oluvumelekileyo emoyeni yi-100PPM.
Iipropati kunye nozinzo:
1. Ulwelo olungenambala, incasa ye-ammonia, ubuthi obuphantsi bale mveliso. Inokunyibilika ngamanzi, inyibilike kwiintlambululi ezininzi ze-organic ezifana ne-ether kunye ne-acetone. Inokunyibilikisa uninzi lweekhompawundi ze-organic kunye ne-inorganic, iigesi ze-polar, iikhompawundi ze-polymer zendalo kunye nezenziweyo.
2. Iipropati zeekhemikhali: zizinzile kwisisombululo esingathathi cala. Emva kweeyure ezi-8 zesisombululo se-4% yesodium hydroxide, i-50% ~ 70% ye-hydrolysis yenzeka. I-Hydrolysis yenzeka kwii-concentrate kwaye ivelisa i-4-meth aminocyl acid. Ngenxa yempendulo yesiseko se-cymbal, inokuvelisa i-ketone okanye i-sulfurboline.
3. Xa kukho ii-alkaline catalysts, inefuthe le-olefin, kwaye kwenzeka i-alkylated reaction kwindawo yesithathu. I-N-methylporide yi-alkaline encinci kwaye inokuvelisa ityuwa ye-hydrochloride. Yenziwe ngetyuwa yesinyithi esinzima, efana nokufudumeza nge-nickel bromide ukuya kwi-150℃, ivelisa i-NIBR2(C5H9ON)3, kunye nendawo yokunyibilika ye-105℃.
Indlela yokuvelisa:Ifunyanwa ngokuphendula kwi-γ-butthochroditettes kunye ne-methylemine. Inyathelo lokuqala lempendulo kukuvelisa i-4-hydroxyl-N-methyl-base amine ye-γ-butthlor kunye ne-methylide, kwaye inyathelo lesibini emva koko lincitshiswa ukuze kuveliswe i-N-methylpidohone. I-reaction enamanyathelo amabini ingenziwa ngokulandelelana kwi-reactor yetyhubhu. I-γ-butthole yi-1: 1.15, uxinzelelo lumalunga ne-6MPa, kwaye ubushushu buyi-250 ° C. Emva kokuba i-reaction igqityiwe, imveliso egqityiweyo ifunyanwa ngokucocwa kunye nokuthotywa kwe-decompression. Izinga lengeniso yi-90%. Ukuba i-kettle anti-ChemicalBook iveliswa, ubungakanani be-methylmine buphindwe yi-1.5-2.5 yesixa sethiyori, kwaye ukulungiswa kwelebhu kusetyenziswa njengomzekelo. Phakathi kwe-500ml hydropower, i-2mol γ-butterone kunye ne-4 Moore liquid zongezwa ukuze zivalwe kwaye zitshiswe zivalwe kwi-280 ° C kangangeeyure ezi-4. Emva kokupholisa, khupha i-methamine eninzi, i-distillation, qokelela ama-distillation points angama-201-202 ° C, ufumane malunga ne-180g yeemveliso, kwaye ingeniso iya kuba malunga ne-90%. Ukusetyenziswa kwezinto ezikrwada (kg/g) γ-butthoboretin 980 methyline (40%) 860.
Ukusebenza kunye nokugcinwa:
1. Indlela yokugcina
Gcina phantsi kwegesi eyomileyo engangenisi manzi, gcina isitya sivaliwe, kwaye usigcine kwindawo epholileyo neyomileyo.
2. Amanyathelo okusebenza
Kuphephe ukudibana nomlilo: Kufuneka ufumane ulwalathiso olukhethekileyo ngaphambi kokuba uyisebenzise. Kuphephe ukudibana nolusu namehlo. Kuphephe ukuphefumla umphunga nomsi. Musa ukusondela kumthombo womlilo. -Akukho kutshaya. Thatha amanyathelo okuthintela ukuqokelelana okungashukumiyo.
3. Amanyathelo okugcina izinto
Kukho indawo epholileyo kwindawo yokugcina. Gcina isitya sivaliwe kwaye usigcine kwindawo eyomileyo nengena umoya. Isitya esivulekileyo kufuneka sivalwe ngononophelo kwaye sigcinwe sime nkqo ukuze kuthintelwe ukuvuza. Ukususwa kokugcinwa okufuthwayo kuyachaphazeleka kumswakama.
UKUPHAKISHA: 200KG/IDRUM
Ixesha leposi: Matshi-27-2023