Diethanol Isopropanolamine (DEIPA)yog ib qho organic compound nrog cov tshuaj formula C8H19NO3 thiab CAS 6712-98-7. Cov tshuaj no zoo li tsis muaj xim rau lub teeb daj pob tshab kua hauv chav tsev kub. Qhov kev hloov xim no tuaj yeem cuam tshuam nrog nws qhov purity, khaws cia, thiab lub sij hawm raug rau lub teeb. Raws li ib txwm muaj, zoo diethylene glycol monoisopropanolamine yuav tsum nthuav tawm cov xim tsis muaj xim thiab pob tshab. Nws muaj cov solubility zoo thiab tuaj yeem yaj hauv ntau cov kuab tshuaj organic, xws li ethanol, acetone, thiab lwm yam. Nyob rau tib lub sijhawm, nws tuaj yeem sib xyaw nrog dej hauv txhua qhov kev faib ua ke los tsim cov tshuaj ruaj khov. The surface tension is relatively low, which makes it easier to wet and spread on solid surfaces in certain applications. Kev ntsuas cov kua dej tsis haum. Lub viscosity ntawm diethanolamine feem ntau yog qis, uas ua rau nws yooj yim los lis thaum lub sij hawm ntws thiab nqus cov txheej txheem. Raws li kev sib tsoo kev sib tsoo, nws muaj peev xwm siv dav hauv ntau qhov chaw. Nws cov kev sib tsoo zoo heev thiab kev ua kom muaj zog ua rau nws nyiam cov khoom siv hauv kev lag luam cement, thaum nws cov kev tiv thaiv ib puag ncig thiab kev ruaj ntseg kuj ua rau nws muaj kev loj hlob dav rau yav tom ntej. Nrog rau kev tshawb fawb txuas ntxiv thiab tshawb nrhiav nws cov kev ua tau zoo, nws cov ntawv thov hauv lwm qhov chaw tseem yuav txuas ntxiv nthuav dav thiab tob zuj zus.
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Tshuaj Formula |
C7H17NO3 |
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Exact Mass |
163 |
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Molecular Luj |
163 |
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m/z |
163 (100.0%), 164 (7.6%) |
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Elemental Analysis |
C, 51.51; H, 10.50; N, 8.58; O, 29.41 |
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Melting point 31.5-36 ° C (lit.), Boiling point 145 ° c0.6 mm Hg (lit.), Density 1.079 g/ml at 25 ° C (lit.), Refractive index 1.473-1.477. Flash point >230℃f, Acidity coefficient (PKA) 14.42 ± 0.10 (predicted), InChIKeyZFECCYLNALETDE-UHFFFAOYSA-N, Hazard symbol (GHS), GHS07, Ceeb toom, Hazard description h315-h319, p264-p280-p302+p352+p332+p332+p313+p362+p364-p305+p351+p338+p337+p313, Cov lus qhia txog kev nyab xeeb 24/25, WGK Lub Tebchaws Yelemees
Muaj peb txoj hauv kev tseem ceeb rau kev sib txuas ntawmDiethanol Isopropanolamine (DEIPA): ua ntej, ammonia reacts nrog ethylene oxide (EO) thiab propylene oxide (PO) feem; Qhov thib ob, nws yog tsim los ntawm cov tshuaj tiv thaiv ntawm MIPA thiab EO; Peb, nws yog synthesized los ntawm diethanolamine (DEA) thiab po.
Txoj kev no yog peb -theem series cov tshuaj tiv thaiv. Ammonia reacts nrog EO los tsim monoethanolamine, diethanolamine thiab triethanolamine. Cov reactant yog ces synthesized nrog Po, thiab lub hom phiaj cov khoom yog tau tom qab purification. Xwb, ammonia reacts nrog PO los tsim monoisopropanolamine, diisopropanolamine thiab triisopropanolamine, thiab cov reactant yog synthesized nrog EO kom tau lub hom phiaj khoom tom qab purification. Kev tsim cov deipa los ntawm txoj kev no yuav tsum muaj ob zaug ntawm kev pub mis thiab purification, thiab cov cuab yeej siv nyiaj txiag loj. Thaum kawg ntawm 2016, tsis muaj cov cuab yeej cuam tshuam rau cov txheej txheem no hauv ntiaj teb.
Txoj kev no yog tsim los ntawm ob - cov lus teb ntawm MIPA thiab EO. Hauv thawj kauj ruam, MIPA reacts nrog EO los tsim n- (2-hydroxyethyl) isopropanolamine. Hauv kauj ruam thib ob, n- (2-hydroxyethyl) isopropanolamine reacts nrog EO los tsim deipa. Cov txheej txheem tshuaj tiv thaiv no yog cov tshuaj tiv thaiv ntau, tab sis cov khoom siv raw MIPA yog tsim los ntawm ob peb lub lag luam hauv ntiaj teb thiab tsuas yog siv hauv kev lag luam tshuaj zoo xws li tshuaj, tshuaj tua kab, textiles, tshuaj pleev ib ce, thiab lwm yam. Vim muaj qee yam teeb meem thiab kev pheej hmoo ntawm tus nqi thiab cov khoom ntawm MIPA raw cov ntaub ntawv, tsuas yog ib lub tuam txhab nyob rau hauv Suav teb muaj MIPA ntau lawm cog, uas muaj qhov zoo ntawm raw khoom. Lub 50000 tuj hloov isopropanolamine cog qhov project kuj tau hais nyob rau hauv cov ntaub ntawv tseem ceeb.
Hauv txoj kev no, DEA reacts nrog PO los tsim cov hom phiaj tshuaj deipa. Qhov zoo ntawm txoj kev no yog cov tshuaj tiv thaiv ceev ceev, kev xaiv siab, txaus thiab ruaj khov ntawm cov khoom siv raw. Tam sim no, tag nrho cov deipa ntau lawm nyob rau hauv Suav teb tau txais txoj kev no, tab sis muaj qhov sib txawv ntawm cov khoom siv ntau lawm, cov tshuaj tiv thaiv kab hluav taws xob lossis cov kav dej, cov khoom isomers thiab kev ruaj ntseg zoo.
Diethanol Isopropanolamine (DEIPA)yog ib qho kev sib xyaw nrog cov nqi siv dav hauv ntau qhov chaw, tshwj xeeb tshaj yog kev sib tsoo kev sib tsoo, nrog kev ua tau zoo thiab kev siv dav.
Daim ntawv thov hauv kev lag luam cement yog qhov dav tshaj plaws. Raws li kev sib tsoo cov cement zoo, nws tuaj yeem txhim kho kev sib tsoo zoo thiab zoo ntawm cov cement. Tshwj xeeb, thaum lub sij hawm sib tsoo cov cement, nws muaj peev xwm ua tau zoo txo qhov me me, nce qhov chaw ntawm cov cement, thiab yog li txhim kho fluidity thiab dispersibility ntawm cov cement. Qhov no tsis tsuas yog pab txhim kho kev tsim khoom ntawm cov cement, tab sis kuj txo qis kev siv zog.
Tsis tas li ntawd, nws tuaj yeem txhim kho lub zog ntawm cov cement, nrog rau thaum ntxov zog thiab lig zog. Los ntawm kev sib xyaw nrog lwm yam cawv amines xws li triethanolamine thiab triisopropanolamine, nws tuaj yeem muab kev txhim kho lub zog ntawm 3-5 MPa nyob rau theem pib ntawm cement hardening, thiab 4-8 MPa nyob rau theem lig. Cov yam ntxwv no ua rau nws nyiam cov khoom siv raw hauv kev sib tsoo cov cement.
2. Cov khoom siv tshuaj lom neeg
Ntxiv nrog rau kev siv cov cement sib tsoo, nws tseem tuaj yeem siv los ua cov khoom siv tshuaj lom neeg rau kev sib txuas ntawm lwm cov tshuaj nrog cov haujlwm tshwj xeeb. Piv txwv li, nws tuaj yeem hnov mob nrog fatty acid anhydrides los npaj emulsifiers, hnov mob nrog isocyanates kom tau cov ntaub ntawv polyurethane, thiab hnov mob nrog cawv los tsim cov khoom ester. Cov khoom no muaj ntau yam kev siv hauv kev lag luam tshuaj, xws li hluavtaws cob, coatings, lubricants, thiab lwm yam.
3. Kev tiv thaiv ib puag ncig thiab kev ruaj ntseg
Nws yog tsim nyog hais tias nws yog ib qho tsis muaj - lom thiab ib puag ncig tus phooj ywg compound. Nws cov tawv nqaij khaus qis dua li ntawm triethanolamine, uas txhais tau hais tias nws muaj kev cuam tshuam me me rau kev noj qab haus huv ntawm cov neeg ua haujlwm thaum siv.
Tsis tas li ntawd, vim nws cov kev sib tsoo zoo heev thiab kev ua kom muaj zog, nws tseem tuaj yeem pab txo qis kev siv hluav taws xob thiab pov tseg emissions hauv cov txheej txheem tsim cov cement, yog li pab kom ua tiav cov khoom ntsuab thiab ruaj khov.
4. Hloov cov cuab yeej sib tsoo
Hauv kev sib tsoo cov khoom siv cement, nws kuj tuaj yeem siv los hloov cov kev sib tsoo tsoos xws li triethanolamine thiab triisopropanolamine. Vim nws txoj kev sib tsoo zoo heev thiab muaj kev sib raug zoo ib puag ncig, nws maj mam tuav txoj haujlwm tseem ceeb hauv kev ua lag luam. Qhov no tsis tsuas yog pab txhim kho cov khoom zoo ntawm cov cement, tab sis kuj txo cov nqi tsim khoom thiab txo qhov cuam tshuam rau ib puag ncig.
5. Kev siv hauv cov khoom siv hauv tsev thiab lwm yam
Ntxiv nrog rau kev lag luam cement, nws tseem tuaj yeem siv los ua kev sib tsoo hauv lwm cov khoom siv hauv tsev, xws li ceramics, iav, thiab lwm yam. Hauv cov teb no, nws tuaj yeem ua lub luag haujlwm hauv kev txhim kho kev sib tsoo thiab txhim kho cov khoom zoo. Tsis tas li ntawd, nrog rau kev tshawb fawb txuas ntxiv thiab kev tshawb fawb ntawm nws cov kev ua tau zoo, nws cov ntawv thov hauv lwm qhov chaw xws li txheej, inks, textiles, thiab lwm yam kuj nthuav dav.
Diethanol Isopropanolamine (DEIPA), abbreviated li DEIPA, yog ib qho organic compound nrog cawv thiab amine functional pawg. Nws cov qauv tshuaj yog C ₇ H ₁ N O3, thiab nws yog xim tsis muaj xim rau lub teeb daj pob tshab viscous kua ntawm chav tsev kub. Nws muaj pungent ammonia tsw thiab soluble hauv dej, cawv, thiab ether. Cov hydroxyl (- OH) thiab amino (- NH) pawg hauv nws cov qauv molecular endowed nrog nws cov khoom siv tshuaj lom neeg, ua rau nws siv dav hauv kev lag luam. Cov hauv qab no qhia txog kev siv DEIPA los ntawm peb qhov loj: cov ntawv thov tseem ceeb, cov yam ntxwv ntawm kev ua haujlwm, thiab kev cuam tshuam kev lag luam.
1. Txhim kho kev sib tsoo
DEIPA, raws li qhov thib peb - tiam cawv amine cement sib tsoo kev pab, txo lub zog saum npoo ntawm cov cement hais los ntawm adsorbing rau lawv, txo qis agglomeration ntawm cov khoom thiab ua rau cov khoom siv sib tsoo ntau ntxiv. Kev sim cov ntaub ntawv qhia tau hais tias tom qab ntxiv 0.04% DEIPA, thaj chaw tshwj xeeb ntawm cov cement tuaj yeem nce ntxiv los ntawm 15% -20%, thiab cov khoom siv zeb tuaj yeem nce 8% -12%. Nws cov nyhuv sib tsoo zoo dua rau cov tshuaj triethanolamine (TEA) thiab triisopropanolamine (TIPA), tshwj xeeb tshaj yog thaum sib tsoo cov ntaub ntawv nyuaj xws li slag thiab ya tshauv.
2. Kev siv zog tsim kho kom zoo
Cov nyhuv ntawm DEIPA ntawm cov cement lub zog nthuav tawm cov yam ntxwv "bimodal": lub zog thaum ntxov (3d, 7d) tuaj yeem nce 15% -25%, thiab tom qab lub zog (28d, 90d) tuaj yeem nce ntxiv, nce mus txog 43.8%.
Cov yam ntxwv no tshwm sim los ntawm kev cuam tshuam steric hindrance ntawm cov pawg isopropyl hauv nws cov qauv molecular, uas tuaj yeem txhawb nqa cov dej ntawm C3S thiab ncua cov dej nrawm ntawm C3AF, uas ua rau muaj kev sib npaug ntawm lub zog. Piv txwv li, ntawm qhov ntau npaum li cas ntawm 0.04%, lub zog 90 hnub tau nce los ntawm 34.3% piv rau pawg hauv paus, deb tshaj TEA's 18% -22%.
3. Ua kom cov khoom sib xyaw ua haujlwm
Kev ua kom muaj txiaj ntsig ntawm DEIPA ntawm cov khoom pov tseg xws li ya tshauv thiab slag yog qhov zoo heev. Cov pab pawg hydroxyl hauv nws cov molecules tuaj yeem tsim cov ntawv cog lus hydrogen nrog Si-O-Si daim ntawv cog lus rau ntawm qhov chaw ntawm cov khoom sib xyaw, cuam tshuam lub iav qauv thiab tso tawm ntau dua SiO ₂ thiab Al ₂ O3.
4. Kev txuag hluav taws xob thiab kev noj qab haus huv txo cov teebmeem
DEIPA tuaj yeem txo cov cement clinker noj los ntawm 5% -8% thiab txo cov roj siv hluav taws xob. Kev siv cov cement cog nrog cov zis txhua xyoo ntawm 1 lab tons ua piv txwv, siv DEIPA tuaj yeem txuag tau txog 12000 tons ntawm cov qauv thee thiab txo CO ₂ emissions los ntawm 31000 tons ib xyoos ib zaug. Nws txoj kev lag luam tau cuam tshuam los ntawm qhov tseeb tias tus nqi ntawm txhua tuj ntawm cov cement sib tsoo kev pab nce li ntawm 8 yuan, tab sis nws tuaj yeem txuag tau 15-20 yuan hauv cov nqi clinker, nrog cov txiaj ntsig tseem ceeb.
Surfactant field: multifunctional additives
1. Emulsification thiab dispersion
Lub taub hau qaum teb (hydroxyl + amino) thiab tsis yog -polar tail (isopropyl) ntawm DEIPA tsim cov qauv amphiphilic, ua rau nws yog ib qho zoo heev emulsifier. Hauv kev lag luam xim thiab number case, DEIPA tuaj yeem ua kom cov roj ruaj khov - dej sib txuas, tiv thaiv cov xim xim, thiab txhim kho cov txheej txheem sib xws. Piv txwv li, ntxiv 2% DEIPA rau epoxy resin coatings yuav txo tau cov dispersed particle loj ntawm pigments los ntawm 15 μ m rau 5 μ m thiab nce glossiness los ntawm 30%.
2. Anti zoo li qub thiab ua raws li kev kho mob
DEIPA derivatives, xws li diester quaternary ammonium ntsev, yog siv nyob rau hauv kev lag luam textile li antistatic agents thiab softeners. Nws biodegradability yog superior rau cov tsoos DTAC (dodecyl trimethylammonium chloride), thiab nws cov nyhuv softening yog ntau ruaj.
3. Moisturizing thiab refining muaj nuj nqi
Hauv kev lag luam fiber ntau, DEIPA, ua tus neeg sawv cev ua kom zoo, tuaj yeem tshem tawm cov impurities ntawm paj rwb fibers thaum tuav fiber ntau zog. Nws cov wettability zoo dua li ethanolamine, uas tuaj yeem nce qhov nkag mus ntawm cov kua ua kom zoo li 40% thiab txo cov tshuaj siv tshuaj. Hauv polyester ntaub dyeing, DEIPA raws li tus neeg sawv cev theem tuaj yeem txo cov xim sib txawv ntawm tus nqi (Δ E) los ntawm 3.5 txog 1.2 thiab txhim kho qhov kev tsim nyog dyeing.
Gas Purification: Acidic Gas Absorbent
1. Hydrogen sulfide tshem tawm
DEIPA reacts nrog H ₂ S los tsim cyclic thiol ntsev, nrog rau kev tshem tawm ntau dua 99%. Hauv kev ua kom huv ntawm cov pa roj, DEIPA cov tshuaj (qhov loj ntawm 15%) tuaj yeem txo qhov concentration ntawm H ₂ S los ntawm 5000ppm mus rau qis dua 20ppm ntawm 40 degree, thiab kev siv hluav taws xob rov ua dua yog 25% qis dua MDEA (N-methyldiethanolamine).
2. Carbon dioxide ntes
DEIPA reacts nrog CO ₂ los tsim cov amino esters, nrog lub peev xwm nqus ntawm 0.8 mol CO ₂ / mol DEIPA.
Hauv kev kho cov roj hluav taws xob ntawm cov thee- cov hluav taws xob hluav taws xob, DEIPA-MEA cov tshuaj tov sib xyaw (qhov sib piv 3: 1) tuaj yeem ua rau CO ₂ nqus tau li 30%, txo qhov kub thiab txias ntawm 120℃mus rau 100 degree, thiab txo qis zog noj.
3. Txuj ci zoo
Piv nrog rau cov tshuaj amine desulfurization, DEIPA muaj corrosiveness tsawg (corrosion npaum li cas.<0.1mm/a for carbon steel) and low volatility (vapor pressure) 0.001mmHg@25 The advantages of high temperature (℃) and low desorption enthalpy (desorption enthalpy 15% lower than MEA) can significantly extend the service life of equipment and reduce operating costs.
Txhua hnub tshuaj lom neeg thiab kev lag luam additives: diversified applications
1. Cov tshuaj ntxuav tes thiab tshuaj pleev ib ce
DEIPA ua raws li tus neeg sawv cev chelating rau calcium thiab magnesium ions hauv cov tshuaj ntxuav tes, ua kom lub zog tu los ntawm 20% hauv cov dej nyuaj. Hauv cov khoom siv tawv nqaij, nws tsis tshua muaj khaus (tawv tawv nqaij Performance index 1.2, qis dua TEA's 2.5) thiab moisturizing zog (dej tuav tus nqi 15% siab dua glycerol) ua rau nws zoo tagnrho cov khoom xyaw. Piv txwv li, tom qab ntxiv 3% DEIPA rau ib hom tshuaj ntawm lub ntsej muag, cov neeg siv kev txaus siab nrog moisturizing nce los ntawm 78% mus rau 91%.
2. Lubrication thiab txiav roj
DEIPA, raws li cov khoom siv siab tshaj plaws, tuaj yeem tsim cov tshuaj adsorption zaj duab xis ntawm cov hlau ua qhov chaw nrog lub peev xwm nqa txog li 600N (plaub txoj hauv kev). Ntxiv 5% DEIPA rau txiav cov roj tuaj yeem txuas lub neej ntawm 40% thiab txo qhov roughness ntawm Ra1.6 μ m rau Ra0.8 μ m.
3. Plasticization thiab emulsification muaj nuj nqi
Diethanol Isopropanolamine (DEIPA)Raws li cov yas yas (xws li DEIPA phthalates) tuaj yeem ua rau kom yooj yim ntawm PVC yas los ntawm 30% thiab muaj kev tsiv teb tsaws zoo dua li DOP (dioctyl phthalate). Hauv emulsified asphalt, DEIPA tuaj yeem txo viscosity los ntawm 25% thiab txhim kho kev tsim kho thiab ua haujlwm.
Cim npe nrov: Diethanol isopropanolamine (deipa) CAS 6712-98-7, lwm tus neeg, manufacturers, hoobkas, lag luam wholesale, yuav, nqe, tej, kev muag khoom