Regulatory & Safety Advantages - No Repr. 1B · Combustible (Not Flammable) · Tsis Muaj REACH Annex XVII Restriction:Tsis zoo li EGEA (CAS 111-15-9) thiab EGMEA (CAS 110-49-6), DEGEAC (CAS 112-15-2) yogtsis muaj EU CLP Repr. 1B kev faib tawm cov tshuaj lom neeg yug menyuamthiab yogtsis raug rau REACH Annex XVII Nkag 70 kev txwv rau cov neeg siv khoom. Nws flash point ntawm ~ 107-110℃cais nws li aCombustible Liquid - tsis Flammable- ua kom yooj yim khaws cia, tswj kev nyab xeeb chaw ua haujlwm, thiab ua raws li kev thauj mus los. Kev lees paub tsis yog-HAP raws li US Clean Air Act.
Tsis yog -Repr. · Combustible Liquid · Ultra-High-Boiling Ester Solvent · Coatings / Display Cleaning / Hlau Degreasing / Inks
DEGEAC - Diethylene Glycol Monoethyl Ether Acetate
(Carbitol Acetate / DCAC / 2-(2-Ethoxyethoxy)ethyl Acetate / DE Glycol Monoethyl Ether Acetate)
| CAS Nr. | 112-15-2 |
| EC Number | 203-940-1 |
| IUPAC npe | 2- (2-ethoxyethoxy) ethyl acetate |
| Cov npe lag luam | Carbitol Acetate, DCAC, DE Cellosolve Acetate |
| Molecular Formula | C₈H₁₆O₄ (MW=176.21 g/mol) |
| EU CLP / REACH | ✓ Tsis Repr. 1B ✓ Tsis muaj SVHC / Tsis muaj CMR ✓ Tsis Tau Txais Ann. XVII txwv |
| GHS / Thauj | Combustible Liquid (FP ~ 107-110 degree) Tsis muaj Class 3 DG shipping yuav tsum tau |
| US HAP Status | ✓ Tsis yog US EPA HAP · TSCA teev |
| Qib / Purity | Ntau dua lossis sib npaug li 99.0% · Dej tsawg dua lossis sib npaug li 0.05% · Acidity Tsawg dua lossis sib npaug li 0.03% |
DEGEAC (Carbitol Acetate) yog dab tsi? Structure & Technical Overview
Diethylene Glycol Monoethyl Ether Acetate (DEGEAC / Carbitol Acetate, CAS 112-15-2)yog ib qho ultra- siab- boiling ester hnyav nrog molecular mis C₈H₁₆O₄ (MW 176.21 g/mol). Nws cov qauv IUPAC - CH₃CH₂–O–CH₂CH₂–O–CH₂CH₂–O–CO–CH₃ - txuas ntxiv EGEA txha caj qaum los ntawm ib qho ntxiv ethyleneoxy chav tsev, yielding a diethylene glycol saw uas ua rau lub cev sib txawv:Kub taw tes 213-223 degree(vs . 154–160℃rau EGEA),flash point ~ 107-110 degree(vs. ~ 56℃), thiab - thuam -kev ywj pheej los ntawm EU CLP Repr. 1B kev faib tawm cov tshuaj lom neeg yug menyuamuas txwv EGEA thiab EGMEA hauv EU- tswj kev lag luam.
DEGEAC yog tsim los ntawmDirect esterification ntawm Diethylene glycol monoethyl ether (DEGEE / Carbitol, CAS 111-90-0) nrog acetic acidnyob rau hauv acid catalysis. Lub diethylene glycol qaum metabolises txawv los ntawm cov ethylene glycol series - nws tsis tsim cov ethoxyacetic acid metabolite lub luag hauj lwm rau EGEA's Repr. 1B npe ntawm cov ntsiab lus raug. Qhov no tau lees paub los ntawm ECHA tshuaj sau npe rau CAS 112-15-2: tsis muaj Repr., tsis muaj SVHC, tsis muaj CMR kev faib tawm. DEGEAC kuj yogtsis raug rau REACH Annex XVII Nkag 70- kev txwv uas txwv cov neeg siv khoom siv ntawm EGEA thiab EGMEA hauv EU.
Lub flash point ntawm ~ 107-110℃qhov chaw DEGEAC nyob rau hauvCombustible Liquid qebnyob rau hauv GHS - tsis Flammable Liquid (threshold<60°C). In practical terms this means no Class 3 DG shipping documentation, no explosion-proof electrical requirements at ambient storage temperature, and the ability to use DEGEAC in rhuab ntxuav da dej ntawm 60-90 degreetsis muaj hluav taws kev nyab xeeb infrastructure xav tau rau cov kuab tshuaj flammable zoo li EGEA.
Physical & Chemical Properties of DEGEAC (Carbitol Acetate)
DEGEAC (Carbitol Acetate) Specifications - Sinolook Commercial Standard
| Khoom Specification | Txheem / Tus nqi | Test Method / Qhov tseem ceeb |
|---|---|---|
| Qhov tshwm sim | Colorless pob tshab kua | Pom kev; tsis muaj haze, xim tint, los yog particulate |
| Purity (GC) | Ntau dua lossis sib npaug li 99.0% | GC cheeb tsam normalization; minimizes tsis yog -volatile residue tom qab evaporation |
| Cov ntsiab lus dej | Tsawg dua lossis sib npaug li 0.05% | Karl Fischer titration; tiv thaiv cov pob zeb hauv av ntawm cov iav thaum lub sij hawm evaporation |
| Acidity (raws li AcOH) | Tsawg dua lossis sib npaug li 0.03% | Potentiometric titration; tiv thaiv ITO electrode coatings thiab tiv thaiv - cov coatings reflections los ntawm acid nres |
| Qhov ceev (d20) | 1.010 ± 0.005g / cm³ | Digital density meter; kev txheeb xyuas tus kheej thiab batch sib xws |
| Boiling Point | 213.0–223.0℃(760 mmHg) | Qhov kub siab tshaj plaws hauv kev lag luam glycol ether acetate series; ultra- evaporation qeeb |
| Flash Point | ~ 107-110℃(kaw khob) | Combustible Liquid - tsis yog Class 3 Flammable; tsis muaj DG shipping xav tau rau kev thauj khoom kub |
| Refractive Index | ~1.421–1.424 (n20/D) | Refractometer; kev lees paub tus kheej |
| Viscosity (20 degree) | ~ 2.4 mPa· os | Brookfield; Tsis tshua muaj viscosity enables yooj yim metering thiab blending ntawm ambient kub |
| Xim (Pt-Co) | Tsawg dua los yog sib npaug li 10 | Colorimeter; dej-dawb - tsis muaj chromophoric degradation khoom |
| EU Repr. Kev faib tawm | Tsis cais ✓ (tsis muaj Repr. 1B) | Kev lees paub los ntawm ECHA tshuaj dossier CAS 112-15-2; tsis muaj Repr. daim duab ntawm SDS |
| Ntim | 200 kg hlau nruas / 1000 kg IBC tank | Tsis yog -DG export ntim (tsis muaj Class 3 Flammable classification) |
Tag nrho COA (GC, KF, acidity, ntom, RI, Pt-Co, viscosity) nrog rau txhua qhov khoom xa tuaj. SGS / Intertek / BV thib peb - tog neeg soj ntsuam muaj nyob rau ntawm kev thov.
DEGEAC (Carbitol Acetate) Daim ntawv thov
1. Waterborne Coatings - Coalescing Agent & Open-Time Extender
Nrog rau qhov kub ntawm 213-223 degree, DEGEAC yog cov qeeb tshaj plaws -evaporating coj mus muag coalescing cov neeg ua haujlwm rau cov dej ua kua acrylic latex, styrene -acrylic, thiab PUD txheej tshuab. Raws li ib tugcoalescing tus neeg sawv cev, DEGEAC ib ntus plasticises nto ntawm polymer latex hais thaum lub sij hawm tsim zaj duab xis - txo lawv cov iav hloov kub (Tg) txaus kom tso cai deformation, coalescence, thiab fusion mus rau hauv ib tug tas mus li, defect -dawb zaj duab xis ntawm ambient daim ntawv thov kub. Nws lub qhov rais txuas ntxiv plasticization yog tshwj xeeb tshaj yog muaj txiaj ntsig rautxias- daim ntawv thov substrate (hauv qab 10 degree)nyob rau sab nrauv architectural coatings, qhov twg sai dua -evaporating coalescing kuab tshuaj ua rau zaj duab xis- tsim tsis xws luag ua ntej txaus particle fusion tshwm sim.
Hauvhwm EU-kev ua lag luam waterborne wood coatings- qhov twg DEGEAC tsis yog-Repr. xwm txheej ua rau nws nkag mus tau rau cov formulators uas tsis tuaj yeem siv EGEA - nws lub siab kub kub muab lub qhov rais coalescence ntev txaus kom ua tiav cov zaj duab xis tsim nyob rau hauv siab -Tg PUD systems ntawm cov tawv tawv tawv substrates (oak, beech, xyoob). Qhov tshwm sim yog qhov zoo tshaj thaum ntxov-coat hardness txoj kev loj hlob, txhim kho intercoat adhesion nyob rau hauv multi-coat systems, thiab qis dua -defect nto finish vs. sai-evaporating lwm txoj.
2. Solvent-Borne Coatings & NC Lacquers - Qhib siab tshaj plaws-Lub Sijhawm Tail Solvent
Hauv cov kuab tshuaj-yug NC lacquers, alkyd txheej, thiab ob-polyurethane txheej txheej, DEGEAC ua haujlwm uaultra-slow tail solvent- qhov siab tshaj - cov khoom tawg ntawm cov kuab tshuaj sib tov uas tseem nyob hauv zaj duab xis ntev tshaj plaws thiab tswj cov theem kawg ntawm kev ziab thiab qib. Ntawm 213-223 degree, DEGEAC lub boiling point yog kwv yees li55-65℃siab dua EGEA's- muab lub qhov rais txuas txuas ntxiv nyob rau theem kawg ziab ntawm tuab - zaj duab xis muaj txheej txheem siv rau cov duab nyuaj (cov kav dej, cov qauv hlau, cov khoom siv hauv hiav txwv).
Hauv siab - tsimlos tiv thaiv-corrosion txheejrau marine thiab offshore steel qauv - qhov twg qhuav- zaj duab xis thickness uniformity tshaj ntxhib blast-cov ntaub ntawv huv si yog qhov tseem ceeb rau kev tiv thaiv corrosion kev ntseeg tau - DEGEAC qhov qeeb qeeb evaporation muab cov zaj duab xis ntub dej txaus sijhawm rau nws tus kheej-theem hla saum toj kawg nkaus peaks thiab recesses5} kev txhim kho lub sij hawm ntev.
3. Electronic Display Cleaning - LCD, OLED & Touchscreen Panels
DEGEAC kev sib xyaw ua ke ntawmpurity Ntau dua lossis sib npaug li 99.0%, dej tsawg dua lossis sib npaug li 0.05%, acidity Tsawg dua lossis sib npaug rau 0.03%, nyob ze -zero ambient vapor siab, thiab tsis yog-Repr. xwm txheej ua rau nws tshwj xeeb ntxuav hnyav rau precision qhov chaw kho qhov muag hauv kev tsim khoom siv hluav taws xob. Nyob rau hauv LCD thiab OLED vaj huam sib luag fabrication, DEGEAC tshem tawm cov organic paug zaj duab xis - lub teeb hydrocarbon deposits los ntawm cleanroom huab cua, ntiv tes roj, lubricant kab los ntawm automated los ua ke cov cuab yeej - uas txo cov kev sib piv thiab brightness yog nyob rau hauv lub vaj huam sib luag nto ua ntej encapsulation.
Qhov tseem ceeb ntawm kev tu xyuas kev ua tau zoo raws li Sinolook's DEGEAC:ua kom tiav cov organic paug tawmntawm kev siv tsawg concentration;xoom residue tom qab evaporation(cov ntsiab lus dej tsawg thiab purity siab tiv thaiv ntsev los yog ntxhia deposits ntawm iav thaum evaporation);tsis muaj kev cuam tshuam nrog cov yeeb yaj kiab polariser, ITO electrode coatings, optical nplaum txheej, los yog tiv thaiv- cov coatingshauv kev tsim kho vaj huam sib luag LCD. Ultra-low acidity (tsawg dua lossis sib npaug li 0.03%) tiv thaiv cov kua qaub tawm tsam ntawm ITO electrodes thiab tiv thaiv- cov coatings reflection - ib qho tseem ceeb specification yuav tsum tau nyob rau hauv siab - specification zaub manufacturing.
Rautouchscreen npog iav- capacitive touch panels siv ITO lossis silver nanowire sensors - DEGEAC's xoom ionic residue tom qab evaporation tswj qhov sib txawv ntawm qhov sib txawv ntawm cov pob tshab electrode txheej tseem ceeb rau kev kov rhiab heev calibration. Nws tsis yog -Repr. profile kuj ua kom yooj yim rau kev tswj hwm tshuaj nyob rau hauv ib puag ncig huv si uas Repr. 1B cais cov kuab tshuaj xav tau kev soj ntsuam kev pheej hmoo ntawm kev yug menyuam thiab txhim kho cov txheej txheem saib xyuas cov neeg ua haujlwm.
4. Muaj hlau ntxuav - Tsis yog -Flammable Kub- Txheej Txheem Degreasing
DEGEAC lub flash point ntawm ~ 107-110℃enables nws siv nyob rau hauvrhuab immersion ntxuav tank ua haujlwm ntawm 60-90 degree- cov txheej txheem kub tsis sib haum nrog cov kuab tshuaj tsw qab xws li EGEA (flash point ~ 56 degree) raws li OSHA 1910.106 thiab sib npaug thoob ntiaj teb cov qauv kev nyab xeeb hluav taws. DEGEAC tuaj yeem siv rau hauv cov tshuab ntxhua khaub ncaws ntxhua khaub ncaws uas tsis muaj qhov ua rau cov khoom siv hluav taws xob sib cais, ua kom yooj yim dua thiab tsis tshua muaj nqi hluav taws xob ntxuav cov txheej txheem tsim.
Nyob rau hauv precision hlau tivthaiv tu rauaerospace, khoom siv kho mob, thiab kev tiv thaiv kev tsim khoom- qhov twg xoom residue yuav tsum tau ua ua ntej anodising, electroplating, thermal spray txheej, los yog nplaum nplaum - DEGEAC lub siab volatility ntawm 50-80℃ua ke nrog uas tsis yog - ionic muaj pes tsawg leeg ua kom cov seem seem -dawb nto tom qab nqus tsev vacuum- pab sov so -7} los yog sov so Tau tshaj aluminium alloys, titanium, stainless hlau, thiab engineering polymer substrates.
5. Printing Inks, Leather Finishing & Chemical Synthesis
Printing inks:DEGEAC qhov kub ntawm 213-223℃ua rau nws qeeb tshaj plaws -evaporating lag luam glycol ether acetate retarder rau gravure thiab tshuaj ntsuam luam ntawv number case formulations. Nyob rau hauv siab -ceev rotogravure ntawm cov ntawv hlau hlau substrates - qhov twg thermal conductivity accelerates number case drying - DEGEAC qhov kev khaws cia siab heev hauv cov kua number case theem tiv thaiv kom qhuav ntxov ntxov ntawm nplua -cell thooj voos kheej kheej (hauv qab 25 μm ntawm tes qhov tob) ntawm xovxwm ceev m/min.40 Hauv kev ua haujlwm ntawm cov tshuaj ntsuam luam ntawv inks (conductive silver pastes, resistive/dielectric inks for membrane switches) DEGEAC tswj tus cwj mem rheology los ntawm kev ncua sij hawm squeegee stroke, tiv thaiv viscosity nce thiab screen thaiv nyob rau hauv zoo -kab tus neeg xyuas pib qauv.
Tawv finishing:Kub kub taw tes ua kom muaj kev nkag siab txaus ntawm PU xov tshuab rau hauv cov qauv tawv tawv ua ntej tsim cov yeeb yaj kiab saum npoo, ua tiav adhesion thiab mechanical elasticity yuav tsum tau rau khau, tsheb sab hauv tawv, thiab upholstery. Tsis yog-Repr. xwm txheej ua kom yooj yim rau kev tswj hwm kev noj qab haus huv hauv kev ua haujlwm tawv tawv.
Tshuaj synthesis:DEGEAC lub boiling point (213-223 degree), thermal stability siab tshaj 200 degree, thiab tsis yog -Repr. raws li txoj cai ua rau nws nyiam cov tshuaj tiv thaiv nruab nrab rau kev siv tshuaj API purification, agrochemical intermediate synthesis, thiab cov txheej txheem tshuaj zoo uas yuav tsum muaj siab -boiling polar ester hnyav qhov twg Repr. 1B cov kuab tshuaj tsis tuaj yeem siv.
DEGEAC vs. EGEA vs. DPGMEA - Siab -Boiling Ester Solvent Selection Guide
DEGEAC feem ntau raug ntsuas tawm tsam EGEA raws li kev tswj hwm kev hloov kho, thiab tawm tsam DPGMEA (Dipropylene Glycol Monomethyl Ether Acetate) raws li P-series tsis yog-Repr. lwm txoj. Sinolook muab tag nrho peb. Qhov kev sib piv hauv qab no qhia txog qhov tseem ceeb ntawm kev xaiv qhov ntev rau txheej, ntxuav, thiab tus cwj mem formulators.
| Khoom | EGEA CAS Nr .: 111-15-9 |
DEGEAC (Carbitol Ac.) CAS 112-15-2 Nr |
DPGMEA CAS Nr .: 88917-22-0 |
|---|---|---|---|
| Lub Npe | Cellosolve Acetate | Carbitol Acetate / DCAC | Dowanol DPMA |
| Series | E-series (mono-EG) | E-series (di-EG) | P-series (di-PG) |
| Mol. Formula / MW | C₆H₁₂O₃ / 132.16 | C₈H₁₆O₄ / 176.21 | C₈H₁₆O₄ / 176.21 |
| Kub Point (degree) | 154–160 | 213–223 ↑ Siab | ~190–200 |
| Flash Point (degree) | ~ 56 Flammable ⚠ | ~ 107–110 ✓ | ~84 Kev kub ntxhov ✓ |
| evaporation tus nqi | Nruab nrab | qeeb heev ↑ Slowest | qeeb |
| EU CLP Repr. Chav kawm. | Repr. 1B ⚠ | Tsis cais ✓ | Tsis cais ✓ |
| REACH Annex XVII | Txwv ⚠ | Tsis txwv ✓ | Tsis txwv ✓ |
| DG Transport Class | Class 3, PG III | Tsis muaj Class 3 DG ✓ | Tsis muaj Class 3 DG ✓ |
| US HAP Status | Tsis muaj npe ✓ | Tsis muaj npe ✓ | Tsis muaj npe ✓ |
| Qhov chaw tseem ceeb | Nruab nrab bp; Repr. 1B txwv; tus nqi qis dua | Siab tshaj bp; tsis yog-Repr.; combustible; rhuab- da dej tau tshaj | P-series; tsis yog-Repr.; ~ 20℃qis dua bp dua DEGEAC |
DEGEAC Regulatory Status - Tsis yog-Repr. Advantage nyob rau hauv nthuav dav
Kev ruaj ntseg, ruaj khov & kev nyab xeeb tuav
Kev Cia Siab
Khaws ntawm5-40℃nyob rau hauv kaw hlau nruas, nyob deb ntawm qhov cua sov tshaj 100 degree, qhib nplaim taws, muaj zog acids, thiab oxidizers. Tsis muaj kev tawg- pov thawj hluav taws xob uas yuav tsum tau muaj ntawm tus qauv ambient cia kub. Khaws cov thawv ntim kom nruj - DEGEAC hydrolyses maj mam mus rau DEGEE + acetic acid nyob rau hauv muaj cov dej noo thiab cov kua qaub / puag catalysts; Cov dej tsis suav nrog tswj kev ua raws cai thiab tiv thaiv acidity nce.
Cov ntaub ntawv sib xws: stainless hlau (304/316), carbon steel, HDPE, aluminium. Segregate los ntawm cov kua qaub muaj zog (hydrolysis catalysts), muaj zog hauv paus, peroxides, thiab oxidizers. Muab ntau tshaj 3 txheej rau 200 kg nruas.
Lub neej txee: 24 lub hlislos ntawm hnub tsim khoom raws li kev pom zoo. Rov ntsuam xyuas purity (GC), cov kua qaub, thiab cov ntsiab lus dej ua ntej siv yog tias khaws cia ntev dua 12 lub hlis lossis yog tias lub nruas foob tsis meej.
PPE & Kev Ua Haujlwm (SDS Summary)
GHS txaus ntshai:Combustible Liquid (H227, flash point 107–110 degree), Qhov muag Irritant 2 (H319), Skin Irritant 2 (H315).Tsis muaj Repr. 1B; no SVHC.Tsis muaj kev txwv kev noj qab haus huv ntawm cov menyuam yaus ntawm pawg neeg ua haujlwm.
hnab looj tes:Nitrile (Ntau dua lossis sib npaug ntawm 0.15 hli) rau kev sib cuag; butyl roj hmab rau kev siv txuas ntxiv.Kev tiv thaiv qhov muag:looj tsom iav dub kom muaj kev phom sij thaum hloov tsheb; face shield rau bulk pumping. Zero -zero ambient vapor pressure: inhalation risk yog tsawg nyob rau hauv txias- txheej txheem tuav.
Heated processing (>60 degree):Kev tso pa tawm hauv zos (LEV) pom zoo raws li vapor tiam nce nrog qhov kub thiab txias. Xa mus rau GESTIS database (CAS 112-15-2) rau OEL cov ntaub ntawv los ntawm kev txiav txim.
Txhaum:Siv inert absorbent (vermiculite, xuab zeb qhuav). Tsis txhob cuam tshuam qhov hluav taws kub yog tias muaj dej nchuav. Pov tseg raws li kev lag luam chemical pov tseg raws li kev cai hauv zos. Tag Nrho GHS-ua raws SDS: sales@sinolookchem.com.
Cov lus nug nquag nug txog DEGEAC / Carbitol Acetate
Q: Qhov txawv ntawm DEGEAC thiab EGEA yog dab tsi, thiab thaum twg kuv yuav tsum xaiv ib qho?
EGEA (CAS 111-15-9) siv tib lub pob txha ethylene glycol; DEGEAC (CAS 112-15-2) ntxiv ib qho ntxiv ethyleneoxy chav tsev los tsim cov saw hlau diethylene glycol. Qhov sib txawv ntawm cov qauv no ua rau peb qhov kev txiav txim siab hloov pauv: DEGEAC qhov kub hnyiab (213-223 degree) yog ~ 60℃siab dua EGEA's (154-160 degree); nws lub teeb nyem (~ 107 degree) yog ~ 50℃siab dua - hloov GHS kev faib tawm los ntawm Flammable rau Combustible Liquid; thiab DEGEAC nqatsis muaj Repr. 1B kev faib tawm, tsis zoo li EGEA. Xaiv DEGEAC thaum: qhov siab tshaj plaws qhib lub sij hawm thiab theem yog qhov tseem ceeb; yuav tsum muaj cov txheej txheem uas tsis yog - nplaim taws kub hnyiab tau (rhuab da dej ntawm 60-90℃); EU kev tswj hwm ua raws yam tsis muaj Repr. 1B yuav tsum muaj kev txwv; los yog tso saib -qib tu purity nyob ze -zero ambient vapor siab yog yuav tsum tau. Xaiv EGEA thaum xav tau sai dua - cov kuab tshuaj kom qhuav thiab cov kev txwv tsis pub dhau tau hais rau cov ntawv thov tshwj xeeb thiab kev ua lag luam.
Q: Puas yog DEGEAC suav tias yog VOC raws li EU txoj cai?
Yog lawm. DEGEAC lub boiling point ntawm 213-223℃ntogHauv qab EU Paints Directive 2004/42 / EC 250℃VOC qhov pib- yog li nws raug suav tias yog VOC hauv EU cov khoom vaj tsev tsim vaj tsev thiab cov khoom siv kho kom zoo nkauj uas raug raws li Cov Lus Qhia ntawm VOC txwv pawg. Cov qauv tsim siv DEGEAC hauv EU Ecolabel, qis-VOC, lossis xoom-VOC sau cov txheej txheem tsim vaj tsev yuav tsum suav nrog nws qhov kev pab cuam VOC hauv VOC cov ntsiab lus. Rau kev siv, cov kuab tshuaj nrog cov ntsiab lus kub siab tshaj 250℃(piv txwv li, DEGHE CAS 112-59-4, bp ~ 260 degree) tuaj yeem tsim nyog rau VOC-tsim kev kho mob. Sinolook muab cov ntsiab lus kub thiab molecular hnyav cov ntaub ntawv los txhawb EU VOC ua raws li kev suav rau txhua tus neeg siv khoom txheej.
Q: DEGEAC puas tuaj yeem hloov EGEA qhov hnyav-rau- hnyav hauv NC lacquer formulations?
Qhov hnyav ncaj qha-rau- qhov hnyav hloov pauv yog qhov pib tsim nyog rau kev sim hloov kho, tab sis feem ntau yuav xav tau kev hloov kho. DEGEAC's siab dua MW (176 vs 132 g / mol) thiab qeeb qeeb ntawm evaporation tus nqi txhais tau hais tias kev hloov ntawm qhov sib npaug ntawm qhov hnyav hnyav yuav ua rau lub sij hawm qhuav heev - uas tej zaum yuav ua rau cov plua plav ntev tsis txaus siab- lub sij hawm dawb nyob rau hauv siab - los ntawm cov kab ntau lawm. Formulators feem ntau yuav tsum siv DEGEAC ntawmkwv yees li 70–80% ntawm EGEA qhov hnyav (ntim- kho)thiab them nyiaj nrog sai dua mid-boiling co- cov kuab tshuaj (ethyl acetate, MEK, n-butyl acetate) kom rov qab tau cov ntaub ntawv ziab tag nrho thaum khaws DEGEAC qhov kev pab cuam rau qhov kawg theem zoo. Sinolook muab kev qhia txog kev hloov kho nrog rau kev sib piv cov dej tsis sib xws thiab kev txheeb xyuas qhov profile evaporation - hu rau peb pab neeg ua haujlwm.
Q: Dab tsi purity qib ntawm DEGEAC yuav tsum tau rau LCD thiab OLED zaub vaj huam sib luag tu?
Kev saib xyuas vaj huam sib luag feem ntau xav tau: purity Ntau dua lossis sib npaug li 99.0% los ntawm GC (tsawg dua tsis yog- cov khoom tsis zoo tom qab evaporation), dej tsawg dua lossis sib npaug li 0.05% (tiv thaiv cov ntxhia / ionic deposits ntawm iav thaum evaporation), acidity tsawg dua los yog sib npaug rau 0.03% ntawm cov kua qaub los yog sib npaug rau AcidOH. anti-cov coatings reflections), thiab xim tsawg dua los yog sib npaug rau 10 Pt-Co (tsis muaj xim degradation khoom uas yuav stains optical nto).Sinolook tus qauv DEGEAC specification ua tau raws li tag nrho cov kev cai no.Rau ultra- siab- specification OLED daim ntawv thov uas yuav tsum tsis yog - volatile residue qis dua 1 ppm, siab dua -purity DEGEAC (Ntau dua los yog sib npaug rau 99.5%) nrog ntxiv cov kab hlau tsom xam tuaj yeem thov - hu rau peb pab neeg los tham txog kev muaj thiab kev tshuaj ntsuam xyuas.
Q: DEGEAC lub txee lub neej yog dab tsi, thiab nws yuav tsum tau kuaj ua ntej siv tom qab txuas ntxiv?
Pom zoo txee lub neej yog24 hlilos ntawm hnub tsim khoom nyob rau hauv thawj ntim ntim ntawm 5-40 degree. Lub hauv paus degradation mechanism yog hydrolysis - catalysed los ntawm ya raws thiab acidic/alkaline impurities - generating DEGEE (Carbitol) + acetic acid thiab nce acid nqi. Ua ntej siv cov khoom khaws cia ntev dua 12 lub hlis, lossis hauv txhua daim ntawv thov qhov kev ua raws cai yog qhov tseem ceeb, rov kuaj dua:purity los ntawm GC(nrhiav DEGEE tsim),acid tus nqi raws li AcOH(nrhiav hydrolysis pib), thiabCov ntsiab lus dej los ntawm Karl Fischer. Nruas nrog cov ntsaws ruaj ruaj uas puas los yog cov kab mob sab nraud yuav tsum tau rov kuaj dua tsis hais lub sijhawm khaws cia. Sinolook muab COAs nrog cov hnub xeem kom cov neeg siv khoom tuaj yeem taug qab cov khoom hnub nyoog thiab npaj cov sijhawm rov ua dua.
Tso cai Technical & Regulatory References
ECHA tshuaj nplooj ntawv lees paub EU REACH sau npe, tsis muaj Repr. 1B thiab SVHC kev faib tawm, thiab sau npe kev lag luam siv rau Carbitol Acetate / 2-(2-ethoxyethoxy)ethyl acetate.
NCBI PubChem compound record: IUPAC name, molecular structure, physicochemical properties, and GHS hazard data for DEGEAC (CAS 112-15-2).
EPA CompTox Chemicals Dashboard: TSCA cov xwm txheej khoom muag, tsis yog -HAP kev pom zoo, cov ntaub ntawv physicochemical khoom rau DEGEAC.
IFA GESTIS cov ntaub ntawv pov thawj rau CAS 112-15-2: Kev txwv tsis pub ua haujlwm, cov ntsiab lus toxicological, thiab kev ntsuas kev nyab xeeb ntawm chaw ua haujlwm rau DEGEAC tuav.
DEGEAC lub boiling point (213-223 degree) yog qis dua 250℃VOC qhov pib - nws suav tias yog VOC hauv EU architectural txheej VOC suav. Muaj feem xyuam rau EU Ecolabel thiab qis -VOC kev ua raws cai.
ASTM txoj kev rau VOC cov ntsiab lus suav hauv cov xim thiab txheej. DEGEAC lub boiling point thiab molecular hnyav yog cov tsis muaj feem xyuam rau xam nws VOC pab nyob rau hauv ASTM D3960-raws li kev lag luam txheej formulations.
Yuav DEGEAC / Carbitol Acetate los ntawm Tuam Tshoj · Tsis yog -Repr. · Combustible · Tag nrho Regulatory Package
Thov DEGEAC Nqe, Qauv & Tsis yog-Repr. Cov ntaub ntawv tswj hwm
Sinolook muab cov khoom siv Diethylene Glycol Monoethyl Ether Acetate (DEGEAC / Carbitol Acetate, CAS 112-15-2) ntawm Ntau dua lossis sib npaug 99.0% purity, dej tsawg dua lossis sib npaug li 0.05%, acidity Tsawg dua lossis sib npaug rau CO09} Sli (nrog rau tag nrho {0.09}, GHS) Repr. 1B pictogram), REACH tsis yog{10}}Repr. tsab ntawv lees paub, REACH Annex XVII Nkag Nkag 70 tsab ntawv tsis siv tau, thiab tsis yog HAP tshaj tawm. MOQ 1 MT; Cov qauv tsim nyog los ntawm 0.5 kg. Lub sij hawm ua tus qauv 10-15 hnub ua haujlwm. Teb hauv 24 teev.
Yam khoom:EGEA (Ethylene Glycol Monoethyl Ether Acetate)· EGMEA (Ethylene Glycol Monomethyl Ether Acetate) · DEGEE (Diethylene Glycol Monoethyl Ether / Carbitol) · DPGMEA (Dipropylene Glycol Monomethyl Ether Acetate) · PGMEA (Propylene Glycol Monomethyl Ether Acetate) · Diethylene Glycol
Cim npe nrov: Diethylene glycol monoethyl ether acetate, Tuam Tshoj diethylene glycol monoethyl ether acetate manufacturers, lwm tus neeg
