Cov Tshuaj Dimethylacetamide Zoo Tshaj (DMac): Cov Tshuaj Solvent Polar Uas Muaj Kev Ua Haujlwm Zoo Rau Cov Lag Luam Qib Siab
Cov Ntawv Thov Tseem Ceeb
1. Kev Lag Luam Polymer: Pab Kom Muaj Cov Khoom Siv Zoo
DMAc yog lub hauv paus tseem ceeb hauv kev tsim cov polymers siab heev, tshwj xeeb tshaj yog hauv kev tsim cov fibers thiab cov yeeb yaj kiab muaj zog:
Cov fiber aramid:
Hauv kev tsim cov fibers aramid (piv txwv li, Kevlar®), DMAc ua haujlwm ua cov kuab tshuaj rau polyamide polymerization, ua rau muaj peev xwm tsim cov khoom siv ultra-muaj zog siv rau hauv cov tsho tiv thaiv bulletproof, aerospace composites, thiab cov hlua khi kev lag luam. Piv txwv li, cov neeg cog lus tiv thaiv Asmeskas vam khom DMAc los tsim cov fibers aramid nrog lub zog tensile tshaj 3,600 MPa.
Cov yeeb yaj kiab polyimide:
Siv rau hauv kev tsim cov yeeb yaj kiab polyimide (PI) (piv txwv li, Kapton®), DMAc yaj cov polyamic acid precursors, uas tso cai rau kev tswj hwm qhov tuab ntawm zaj duab xis thiab cov khoom siv kho qhov muag. Cov yeeb yaj kiab no yog qhov tseem ceeb hauv cov khoom siv hluav taws xob yooj ywm (piv txwv li, OLED cov zaub, cov PCB yooj ywm) thiab kev rwb thaiv tsev kub siab hauv cov cav tsheb.
Spandex thiab Synthetic Fibers:
Hauv kev tsim cov ntaub (piv txwv li, cov nroj tsuag spandex hauv Es Xias), DMAc pab txhawb kev sib hloov ntawm cov polyurethane fibers, ua kom muaj qhov sib npaug thiab elasticity hauv cov ntaub siv rau kev ua kis las thiab kev kho mob compression khaub ncaws.
2. Tshuaj thiab Biotechnology: Cov kuab tshuaj thiab cov tshuaj tiv thaiv
Kev Tsim Tshuaj:
DMAc ua haujlwm ua cov kuab tshuaj ntau yam hauv cov tshuaj intermediates thiab cov khoom xyaw tshuaj (API). Nws lub peev xwm los yaj ob qho tib si organic thiab inorganic compounds ua rau nws zoo tagnrho rau kev sib xyaw, cyclization, thiab oxidation reactions. Piv txwv li, nws yog siv rau hauv kev tsim cov tshuaj antiretroviral (piv txwv li, HIV protease inhibitors) hauv cov chaw tsim tshuaj European.
Kev Txhawb Nqa Cov Qauv:
Hauv cov tshuaj pleev ib ce (piv txwv li, tshuaj pleev, gels), DMAc ua rau cov tshuaj lipophilic nkag mus rau hauv daim tawv nqaij, txhim kho kev noj qab haus huv. Nws kuj tseem siv rau hauv cov tshuaj parenteral rau nws qhov tshuaj lom tsawg thiab sib xws nrog tib neeg lub cev (LD₅₀ > 3,000 mg / kg hauv nas).
Cov Ntawv Thov Biotech:
Hauv kev tsim khoom biopharmaceutical, DMAc siv rau hauv cov txheej txheem purification protein, xws li chromatography, los yaj cov protein membrane thiab txhim kho kev sib cais.
3. Kev Lag Luam Hluav Taws Xob & Semiconductor: Cov Tshuaj Solvent Uas Muaj Peev Xwm Rau Microfabrication
Kev Tshem Tawm Photoresist:
Hauv kev tsim cov khoom siv semiconductor, DMAc siv rau hauv cov txheej txheem ntxuav kom huv si kom tshem tawm cov photoresist residues tawv ncauj ntawm silicon wafers. Nws cov solvency siab rau epoxy - raws li photoresists ua rau nws tsis tseem ceeb hauv nanolithography (piv txwv li, EUV lithography rau 3nm chip nodes).
OLED thiab Kev Tsim Khoom Zaub:
Hauv kev tsim cov organic light-emitting diodes (OLEDs), DMAc yaj cov organic semiconductors thiab dopants, ua rau muaj kev sib xyaw ua ke ntawm cov zaj duab xis nyias nyias los ntawm kev luam ntawv inkjet lossis spin-coating. Cov chaw tsim khoom zaub Kauslim siv DMAc los ua kom tiav pixel precision mus txog rau micrometer scales.
Electroplating thiab Etching:
Ua haujlwm ua cov tshuaj sib xyaw ua ke hauv cov dej da dej electroplating rau kub thiab tooj liab, txhim kho kev sib npaug ntawm cov nyiaj tso rau hauv cov thev naus laus zis ntim khoom siab heev (piv txwv li, 3D ICs, kiv cua - tawm wafer theem ntim khoom).
4. Kev Ua Cov Ntaub thiab Tawv: Kev Dais Teeb Meem Kom Ruaj Khov
Kev Sib Tsoo Cov Khoom Siv Fiber Ntau:
Hauv kev tsim cov acrylic fibers, DMAc hloov cov tshuaj lom ntau dua (piv txwv li, dimethylformamide, DMF), muab kev daws teeb meem zoo sib xws nrog kev cuam tshuam tsawg dua rau ib puag ncig. Cov chaw tsim khoom siv textile European siv DMAc hauv cov txheej txheem zoo rau ib puag ncig uas tau ntawv pov thawj los ntawm OEKO - TEX® Standard 100.
Kev Pleev Tawv Nqaij:
Ua ib qho kev hloov pauv rau cov neeg sawv cev tanning ib txwm muaj, DMAc ua rau cov tannins zaub nkag mus rau hauv, ua rau cov tawv mos dua, ua pa tau zoo dua rau cov khoom kim heev (piv txwv li, cov hnab tes tawv Italian). Nws qhov kev hloov pauv qis txo cov pa VOC hauv cov chaw tanning.
5. Kev Ntxuav thiab Rho Tawm Hauv Kev Lag Luam: Kev Ua Haujlwm Zoo thiab Kev Nyab Xeeb
Kev Tshem Tawm Cov Hlau:
Hauv kev lag luam aerospace thiab automotive, DMAc tshem tawm cov roj, roj, thiab cov kua dej seem ntawm cov khoom siv precision (piv txwv li, turbine blades, cav qhov chaw). Nws lub ntsiab lus kub siab (166 ° C) ua kom muaj kev ua kom tsawg kawg nkaus thaum lub sijhawm ntxuav ultrasonic, txo cov kuab tshuaj poob.
Kev rho tawm cov khoom ntuj:
Siv rau hauv kev rho tawm cov xim ntuj (piv txwv li, carotenoids los ntawm algae) thiab cov tshuaj los ntawm cov khoom cog, DMAc muab kev daws teeb meem xaiv yam tsis muaj kev cuam tshuam rau cov bioactivity ntawm cov tshuaj sib xyaw.
Cov Lus Qhia Tshwj Xeeb
| Lub Npe Khoom | Propionic Acid | |||||||||
| Cov Qauv Tshuaj | C3H6O2 | |||||||||
| Qhov Hnyav Molecular | 74.08 g/mol | |||||||||
| Qhov tsos | Cov kua tsis muaj xim pob tshab | |||||||||
| Qhov Kub Yaj | -20.8℃ | |||||||||
| Kub Kub | 141.1 ℃ | |||||||||
| Qhov Ceev | 0.993 g/cm³ | |||||||||
| CAS TSIS MUAJ | 79 - 09 - 4 | |||||||||
| Tus lej HS | 29155000 | |||||||||
| EINECS TSIS MUAJ | 201 - 176 - 3 | |||||||||
| Daim Ntawv Thov | Siv rau hauv plastics, pharma, khoom noj, cov kuab tshuaj thiab cov tshuaj tsw qab | |||||||||
Daim Ntawv Tswj Xyuas Zoo
| Lub Npe Khoom | Propionic Acid | ||||||
| YAM KHOOM | TUS NQI TXUJ CI (%) | TUS NQI XEEM (%) | |||||
| Cov Ntsiab Lus Propionic Acid, w/% ≥ | 99.5 | 99.9 | |||||
| Qhov Ceev (20/20 ℃) | 0.993-0.997 | 0.996 | |||||
| Kub Npaum Li Cas / ℃ | 138.5-142.5 | 139.4-141.1 | |||||
| Cov khoom seem uas ua rau qhuav, w /% ≤ | 0.01 | 0.006 | |||||
| Dej, w /% ≤ | 0.15 | 0.02 | |||||
| Aldehyde, w/% ≤ | ≤0.05 | 0.04 | |||||
| yooj yim oxidization, w /% ≤ | ≤0.05 | 0.01 | |||||
| Pb mg/kg≤ | 2.0 | ≤2.0 | |||||
| Raws li mg / kg ≤ | 3.0 | ≤3.0 | |||||
| Xaus lus | Ua raws li cov qauv ntawm GB 1886.210-2016 | ||||||
Kev Zoo & Kev Ua Raws Cai
Cov Qib Purity:
Qib Hluav Taws Xob: ≥99.9% kev huv, nrog cov hlau ions ≤1 ppm, ua tau raws li SEMI C8 cov qauv rau kev siv semiconductor.
Qib Tshuaj: Ua raws li USP, EP, thiab JP, nrog cov dej noo ≤0.1% thiab UV absorbance ≤0.05 ntawm 260 nm.
Qib Kev Lag Luam: ≥99% kev ntshiab, tsim nyog rau cov ntawv thov polymer thiab textile, nrog cov ntsiab lus sulfur thiab chloride tsawg.
Kev Ruaj Ntseg:
Tsim los ntawm kev sib xyaw ua ke ntawm acetic anhydride nrog dimethylamine, siv cov txheej txheem distillation thiab cov txheej txheem rov qab ua kom cov kuab tshuaj muaj zog.
Siv tau dua tshiab thiab sib xws nrog cov txheej txheem kev lag luam kaw, ua raws li EU Circular Economy Action Plan lub hom phiaj.
Kev Nyab Xeeb:
Ntim rau hauv cov thoob hlau tsis xeb lossis cov thoob ISO, nrog rau kev ua raws li MSDS tag nrho thiab GHS daim ntawv lo rau kev thauj mus los zoo (UN 2265, Chav Kawm 3).
Vim li cas ho xaiv peb cov Dimethylacetamide?
Txawm koj tab tom tsim cov polymers tiam tom ntej rau aerospace, tsim cov semiconductors zoo tshaj plaws, lossis tsim cov tshuaj tshiab, peb DMAc muab kev daws teeb meem thiab kev ntseeg siab uas tsis muaj qhov sib piv. Nrog kev txhawb nqa thoob ntiaj teb thiab cov khoom xa tuaj uas tau kho kom zoo rau kev xa khoom sai, peb ua kom koj cov haujlwm tau txais txiaj ntsig los ntawm kev ua haujlwm thiab kev ruaj khov ntawm cov tshuaj no.
Qhib lub peev xwm ntawm cov ntaub ntawv siab heev nrog Premium Dimethylacetamide—qhov twg qhov kev ua tau zoo sib ntsib hauv txhua qhov kev lag luam.