N-METHYL PYRROLIDONE (NMP), kwayoyin dabara: C5H9NO, Turanci: 1-Methyl-2-pyrrolidinone, colorless to yellowish m ruwa, dan kadan ammoniya wari, miscible da ruwa a kowane rabo, narkar da a ethyl ether, acetone, ester, halogenated hydrocarbon, aromatic hydrocarbons da sauran Organic Organic kaushi, Kusan duk sauran kaushi cikakken Chemicalbook mix, tafasar batu 204 ℃, flash batu 91 ℃, hygmoscopic, sinadaran kwanciyar hankali, babu lalata ga carbon karfe, aluminum, dan kadan lalata ga jan karfe.Yana da abũbuwan amfãni daga m danko, mai kyau sinadaran kwanciyar hankali da thermal kwanciyar hankali, high polarity, low volatility, da rashin iyaka rashin iyaka da ruwa da yawa kwayoyin kaushi.Wannan samfurin magani ne mai laushi, madaidaicin iyakar iyaka a cikin iska shine 100PPM.
Kayayyaki da kwanciyar hankali:
1. Ruwa mara launi, dandano ammonia, ƙarancin guba na wannan samfurin.Yana iya zama mai narkewa da ruwa, mai narkewa a cikin mafi yawan kaushi na halitta kamar ether da acetone.Zai iya narkar da mafi yawan kwayoyin halitta da mahaɗan inorganic, gases na polar, mahaɗan polymer na halitta da na roba.
2. Chemical Properties: in mun gwada da barga a tsaka tsaki bayani.Bayan sa'o'i 8 na 4% na maganin sodium hydroxide, 50% ~ 70% na hydrolysis ya faru.Hydrolysis yana faruwa a cikin abubuwan tattarawa kuma yana haifar da 4-meth aminocyl acid.Saboda amsawar tushen kumfa, zai iya haifar da ketone ko sulfurboline.
3. A cikin samuwar alkaline catalysts, yana da tasirin olefin, kuma alkylated dauki yana faruwa a wuri na uku.N-methylporide yana da raunin alkaline kuma yana iya haifar da gishiri hydrochloride.Ƙirƙirar hadedde tare da gishiri mai nauyi, kamar dumama tare da nickel bromide zuwa 150 ℃, samar da NIBR2 (C5H9ON) 3, da wurin narkewa na 105 ℃.
Hanyar samarwa:Ana samun shi ta hanyar amsawa daga γ-butthochroditetes da methylemine.Mataki na farko na amsa shine don samar da 4-hydroxyl-N-methyl-base amine don γ-butthlor da methylide, kuma mataki na biyu yana raguwa don samar da N-methylpidohone.Ana iya aiwatar da matakin mataki-biyu a jere a cikin reactor na bututu.The γ-butthole ne 1: 1.15, matsa lamba ne game da 6MPa, da kuma yawan zafin jiki ne 250 ° C. Bayan da dauki da aka kammala, da ƙãre samfurin samu ta hanyar mayar da hankali da decompression distillation.Adadin kudin shiga shine 90%.Idan kettle anti-ChemicalBook da aka samar, adadin methylmine ne 1.5-2.5 sau da ka'idar adadin, da kuma dakin gwaje-gwaje shirye-shiryen da ake amfani a matsayin misali.Daga cikin wutar lantarki na 500ml, 2mol γ-butterotone da 4 Moore ruwa ana saka su don rufewa kuma a rufe su a 280 ° C na 4h.Bayan sanyaya, saki wuce kima methamine, distillation, tattara 201-202 ° C distillation maki, samun game da 180g na kayayyakin, da kuma samun kudin shiga zai zama game da 90%.Amfanin danyen abu (kg/g) γ-butthoboretin 980 methyline (40%) 860.
Aiki da ajiya:
1. Hanyar ajiya
Ajiye a ƙarƙashin busassun iskar gas, ajiye akwati a rufe, kuma adana a wuri mai sanyi da bushe.
2. Kariyar aiki
Guji fallasa: Kuna buƙatar samun jagora na musamman kafin amfani.Ka guji haɗuwa da fata da idanu.Ka guji shakar tururi da hayaki.Kada ku kusanci tushen wutar.-Babu shan taba.Ɗauki matakan hana tarawa a tsaye.
3. Kariyar ajiya
Akwai wuri mai sanyi a cikin ajiya.Rike akwati a rufe kuma adana a cikin busasshen wuri da iska.Dole ne a rufe buɗaɗɗen buɗaɗɗen a hankali kuma a ajiye matsayi a tsaye don hana zubewa.Kawar da inflatable kiyayewa yana kula da zafi.
MULKI: 200KG/DUM
Lokacin aikawa: Maris 27-2023