Shaanxi Bloom Tech Co., Ltd. yog ib qho ntawm cov neeg tsim khoom thiab lwm tus ntawm 1-methyl-2-pyrrolidinone (NMP) CASE 872-50-4 hauv Suav teb. Txais tos rau kev lag luam wholesale loj zoo 1-methyl-2-pyrrolidinone (NMP) CASE 872-50-4 rau muag ntawm no los ntawm peb lub hoobkas. Cov kev pabcuam zoo thiab tus nqi tsim nyog muaj.
1-methyl-2-pyrrolidinone (NMP)yog ib qho tsis muaj kob rau cov kua pob tshab nrog cov kua muag me ntsis nrog tus ntxhiab tsw me ntsis ntawm ammonia. Nws yog yooj yim soluble hauv dej, ethanol, ether, acetone, ethyl acetate, chloroform thiab benzene. Nws tuaj yeem yog yaj nyob rau hauv feem ntau cov organic thiab inorganic compound, polar gases, ntuj thiab hluavtaws polymer sib txuas. Dej yog tus yam ntxwv ua feem, thiab yog soluble nyob rau hauv ntau cov kuab organic xws li Etetone, Acetone thiab estrone hydrocarbons, yuav luag txhua yam sib xyaw nrog txhua cov kuab tshuaj. Cov khoom no yog ib qho zoo tshaj - qib cov kuab tshuaj, thiab muaj zog} precuitic electronics, cov tsav tsheb hluav taws xob thiab cov roj teeb lithium.
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Tshuaj Cov Qauv |
C5h9no |
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Muaj pes tsawg leej |
99.07 |
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Molecular hnyav |
99.13 |
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m/z |
99.07 (100.0%), 100.07 (5.4%) |
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Kev Ntsuam Xyuas |
C, 60.58; H, 9.15; N, 14.13; O, 16.14 |
1-methyl-2-pyrrolidinone (NMP)yog polar apvator hnyav. Nws muaj cov tshuaj lom tsawg, muaj kev kub siab rau cov solubility. Nws muaj qhov zoo ntawm kev xaiv muaj zog thiab muaj kev ruaj khov zoo. Nws yog dav siv nyob rau hauv cov neeg muaj kuab tshuaj ntxiv, ofefins, thiab cov roj hmab extruit Cov ntaub ntawv ua liaj ua teb, cov ntaub ntawv insulating, sib xyaw ua ke, zas xim, thiab lwm yam, thiab lwm yam uas engineering plastics thiab aramid fibers. Nws kuj tseem siv tau rau hauv cov tshuaj tua kab, cov tshuaj, thiab xab npum.
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Lithium Roj Teeb Raug: NMP ua hauj lwm ua tus yuam sij hauv kev tsim cov lithium {{} ion roj teeb, tshwj xeeb tshaj yog hauv kev npaj ntawm hluav taws xob.
Kev Tsim Kev Ua: Nws yog siv nyob rau hauv kev tu thiab etching cov txheej txheem ntawm semiconductor wafers, ua kom muaj kev coj dawb huv siab thiab ua tau zoo.
Circuit Court Board: NMP AIDS hauv cov txheej txheej sib xyaw ntawm cov laug cam hluav taws xob, txhim kho lawv cov hluav taws xob conduction thiab durability.
Polymer daws teeb meem: Raws li cov tshuaj ntsuam zoo, nmp yog siv rau hauv kev npaj cov kev daws teeb meem polymer rau ntau yam kev siv.
Resin Ntau Lawm: Nws yooj yim tsim khoom ntawm cov resins los ntawm kev yaj thiab sib tov cov khoom siv uas tsis sib xws.
Xim formulations: NMP pab nyob rau hauv cov ntawv sau xim nrog xav tau viscosity thiab txaus siab.
Txuj Ci Tshuaj: NMP tau ua haujlwm nyob rau hauv synthesis ntawm qee yam kev sib txuas ntawm cov chaw tshuaj tebchaw, ua rau muaj kev tsim cov tshuaj lom neeg tshwj xeeb.
Khoom Siv Tshuaj Tshuab: Nws yog siv rau hauv cov qauv ntawm cov tshuaj kho yeeb yaj kiab, xws li kev hloov pauv thaj thiab cog hniav, kom tswj tau cov khoom xyaw nquag.
Zas thiab textile auxilies: NMP ua raws li cov kuab tshuaj rau dyes thiab textile auxilies, kom muaj qhov tawg thiab ua tiav ntawm textiles.
Tshuaj Yeeb Tshuaj Muaj Tshuaj: Nws yog siv nyob rau hauv kev tsim cov tshuaj tua kab, txhim kho lawv cov solubility thiab ua hauj lwm zoo.
Synthesis txoj kev
Gamma - butyrolactone (GBL) txoj kev
Qhov no yog ib txoj kev siv uas yog qhov twg gamma - buttermanine (GBL) reagnium nyob rau hauv lub catalyst xws li hydrogen chloride lossis sulfruric acid. Cov tshuaj tiv thaiv feem ntau tau ua ntawm nce qhov kub thiab ntsuas kub, yielding nmp thiab dej ua khoom. Cov dej yog tshem tawm los ntawm distillation, tawm hauv lub siab nmp.
Cov Khoom Siv Raw
Cov ntaub ntawv raw rau cov synthesis no - butyrolactone (GBL) thiab methylamine. Lub purity thiab piv ntawm cov khoom raw ncaj qha cuam tshuam rau cov tshuaj tiv thaiv efficienty thiab khoom ua purity.
Cov tshuaj tiv thaiv me ntsis
Hauv qhov tshuaj tiv thaiv no, methylramine undergoes ib aminolysis cov tshuaj tiv thaiv nrog {{}} butyrolactone. Cov kauj ruam tseem ceeb muaj feem cuam tshuam ntawm cov qauv molecular ntawm methylamine thiab {}} butyrolactone. Tshwj xeeb, cov nitrogen atom hauv methylramine reacts nrog cov pa roj hmab hauv {}} butyrolactone molecule thiab tsim ntawm nruab nrab sib xyaw. Cov intermediate no ces undergoes ntxiv thiab hloov kho kom kawg ua.
Thawj kauj ruam ntawm cov tshuaj tiv thaiv yog hais tias - Butyylamactone thiab metylamy Generate kom tsim kom muaj N} Hydroxy}}} metylpyrrolidone. Qhov ob {{-}} kauj ruam kev xav tuaj yeem tau npaj rau hauv tubular reactor rau kev ua haujlwm tas mus li. Qhov ntsuas hniav puas ntawm - butyrolactone rau methylolactone rau methylolactone yog 1: 1.15, lub siab yog hais txog 6MPA, thiab qhov ntsuas kub yog 250 degree. Tom qab cov tshuaj tiv thaiv tiav lawm, cov khoom tiav tau txais los ntawm cov siab thiab cov tshuab nqus tsev. Cov txiaj ntsig yog 90%. Yog tias cov kais dej reactor yog siv rau ntau lawm, tus nqi ntawm methylamine yog 1.5-2.5 zaug theoretical tus nqi. Kev kuaj nrhiav ua piv txwv. Hauv 500ml autoclave, ntxiv 2molutyrolactone thiab 4mol ntawm cov kua methylamine, cua sov nyob rau hauv ib qho kev kaw, thiab sov ntawm 28h℃rau 4th. Tom qab txias, tso tawm cov methylas tshaj, cov neeg tsis sib xws, thiab tau txais txog 180g ntawm cov khoom nrog cov txiaj ntsig ntawm 90%.
Catalytic synthesis los ntawm succinic acid thiab methylamine
Yam xwm txheej
Cov qauv no cuam tshuam nrog rho tawm acid nrog methylramine acid nrog cov kuab tshuaj ntsuab, ntawm qhov kub thiab txias los ntawm 200 txog 500℃ntawm 5 txog 20 MPA.
Kev ua
Nyob rau hauv cov kev mob no, cov tshuaj tiv thaiv tau los ua cov khoom. Txawm li cas los xij, cov ncauj lus tawm tswv yim thiab cov txheej txheem rau qhov no cov lus qhia catalytic no yuav sib txawv thiab feem ntau yog tus tswv ntiag tug rau kev tsim cov txheej txheem kev tsim khoom.
Lwm Yam Qhia
1-methyl-2-pyrrolidinone (NMP)yog ib qho ntau yam thiab ua tau zoo organic huab cua nrog ntau cov ntawv thov hla ntau yam lag luam. Chemically, nws yog ib qho kev ywj pheej tau los ntawm gamma- butylamacactone thiab methylas, tsis muaj ntxhiab (los yog me ntsis} zoo li), thiab hygroscopic zog. Nws cov mis mis yog c5h9no, thiab nws boasts lub siab npau npau, ua rau nws ruaj khov nyob rau hauv cov kub, uas pab tau nws cov khoom siv rau ntau cov txheej txheem.
Ib qho ntawm thawj cov siv ntawm NMP lus dag nyob rau hauv kev tsim cov lithium {} ion cov roj teeb, qhov chaw nws ua haujlwm rau cov ntaub ntawv tsis sib xws thiab cov roj teeb ua haujlwm. Ib qho ntxiv, nws pom cov ntawv thov hauv kev lag luam kws tshuaj, ua yeeb yam raws li nws lub peev xwm kom yaj lub spectrum ntawm polar thiab tsis- recounds.
Hauv kev lag luam hluav taws xob, NMP tau ua haujlwm hauv kev tsim cov semiconductors thiab ua kua siv LCDs ua kua (LCDs) Nws siv hauv cov xim tha xim thiab txheej ua kom tau ua kom cov du, puas tau} Cov yeeb yaj kiab pub dawb, txhim kho lub durability thiab kev ua kom zoo nkauj ntawm cov npoo txheej.
Ntxiv mus, NMP cov khoom pov thawj zoo biocompatibility thiab tsawg kawg, ua rau nws xaiv qhov kev xaiv ua kom zoo nkauj thiab raws li cov cab kuj rau cov tshuaj. Txawm hais tias nws cov txiaj ntsig, kev tuav ntawm NMP yuav tsum ceev faj vim nws lub peev xwm rau cov khoom tiv thaiv ntawm tus kheej thiab kev ua haujlwm huv tau tsim nyog.
Hauv kev xaus,1-methyl-2-pyrrolidinone (NMP)Sawv ntsug raws li cov kuab tshuaj multifaceted, underpinning nce qib nyob rau hauv lub zog cia, kev kho mob, thiab ntau yam ntxiv, los ntawm nws cov kev daws teeb meem thiab kev ruaj khov.
Cov txheej txheem analytical rau1-methyl-2-pyrrolidinone (NMP)Feem ntau yog suav nrog roj chromatography (GC), roj roj chromatography {}} ms} ms} ms), kev siv siab), thiab lwm yam kev ntsuas lub cev. Cov ncauj lus qhia ntxaws ntxaws yog raws li hauv qab no:
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Roj Chromatography (GC)
Cov hauv paus ntsiab lus: cov khoom siv hauv cov qauv yog sib cais los ntawm cov chromatographic kem, thiab kuaj pom siv cov nplaim taws ionization (FID). NMP cov ntsiab lus yog ntau ntsuam xyuas siv txoj kev kho cov txheej txheem ib txwm muaj.
Ntsuas thiab cov xwm txheej: Siv siab -}}} rhiab thiab ruaj khov roj chromatographs xws li Agilent 7820a. Nyob rau hauv cov kev ua haujlwm Chromatographic (xws li cov chaw nres tsheb chromatographic, thiab lwm yam ntawm txhua yam yog kuaj thiab cov ntsiab lus tau muab xam.
Daim Ntawv Thov: Haum rau kev npaj cov txheej txheem txheem nrog cov ntsiab lus tsis sib xws rau cov qauv los ntawm kev kuaj thiab ntsuas kom muaj peev xwm tsom xam ntawm NMP. Qhov kev txiav txim siab sib txawv ntawm ob txoj kev txiav txim siab sib npaug feem ntau yuav tsum tsis pub tshaj 0.03%.
Roj Chromatography - huab tais loj heev (gc - ms)
Lub hauv paus ntsiab lus: ua ke muaj peev xwm sib cais ntawm cov roj chromatography nrog kev ua kom muaj peev xwm ntawm cov huab hwm coj los ua kom zoo thiab muaj feem ntau ntsuas ntawm NMP.
Ntsuas thiab cov xwm txheej: Siv siab -}}}}}}}}}}}}}}}} agilent 7890b-5977b, nruab nrog lub tshuab tsis siv neeg. Txheeb xyuas cov kev pab chromatographic thiab qhov ntsuas kub kom ntseeg tau tias muaj lub sijhawm thiab tau txais cov duab ncov.
Daim Ntawv Thov: Haum rau lub sijhawm nrog cov kev ntsuas siab dua, xws li roj teeb lithium roj teeb rau kev txiav txim siab ntawm NMP.
High - Kev ua kua chromatography {{1 tandem loj spectrometry (hplc- ms / ms)
Principle: Utilize the separation ability of liquid chromatography and the high-sensitivity detection ability of tandem mass spectrometry to achieve quantitative analysis of NMP.
Ntsuas thiab cov xwm txheej: Siv cov chromatographic txhua (xws li InnovationTorter C18) rau kev sib cais, esi) qhov chaw, thiab ntes cov tshuaj tiv thaiv ntau hom.
Daim Ntawv Thov: Haum rau kev txiav txim siab ntawm NMP hauv cov txheej txheem ntau ntxiv xws li cov plastics, nrog cov qauv yooj yim, nrawm dua, thiab siab rhiab.
Potentiometric Valation
Lub hauv paus ntsiab lus: txiav txim siab ntawm lub kaum kev xaus los ntawm kev ntsuas qhov kev hloov pauv ntawm lub peev xwm, yog suav suav cov ntsiab lus ntawm NMP dawb hauv NMP.
Cov cuab yeej thiab cov cai: siv cov twj paj nruag zoo xws li Mettler G10S Potentiometric Titrator, raws li GB / T 9725) rau kev txiav txim siab.
Daim Ntawv Thov: Haum rau kev txiav txim siab ntawm cov ntsiab lus ntawm Free Amine hauv NMP, tau txais los ntawm ib} Nyem rau lub hnub qub tom qab tuaj yeem nkag mus rau cov qauv mis.
Lwm txoj kev analytical
Kev txiav txim siab ntawm lub cev: suav nrog indexal index, ntom ntom, pawj cov nqi uas txiav txim siab yog cov qauv pom zoo yog teev nyob rau hauv lub ntsuas cov ntawv qhia ntxiv.
Cov ntsiab lus dej kev txiav txim siab: Rau kev txiav txim siab cov dej cov ntsiab lus hauv NMP, cov hau kev xws li Karl Fischer lub tsev pheeb suab tuaj yeem siv tau. Rau kev txiav txim siab cov dej ntsiab lus hauv cov qauv dej (xws li cov ntaub ntawv electrode, xws li cov qauv hluav taws xob tsis zoo) thiab cov qauv ua kua (xws li cov qauv siv hluav taws xob yuav tsum tau swm.
Cim npe nrov: 1-Methyl-2-Pyrrolidinone (NMP) CASE 872-50-4, Chaw tsim khoom, chaw tsim khoom, Hoobkas, yuav, nqe, loj, rau muag