Lubricant Additives - Friction Modifiers / AW–EP Series:Triethylene Glycol Methyl Ether Borate (TEGMEB, CAS 30989-05-0) qhia ibhauv paus sib txawv chemistrymus rau Sinolook FM range - tusborate ester chav kawm. Tsis zoo li organomolybdenum FM qib (MoDTP, MoDTC, Mo Amine Complex) uas ua haujlwm los ntawm cov hlau- deg tribofilm deposition, TEGMEB ua haujlwm los ntawmboron tribochemistry: B-O-C ester bonds thermally thiab tribologically decompose ntawm qhov chaw tiv tauj, tso tawm reactive boron hom uas tsim: (1) aB₂O₃ qis- melting-point iav zaj duab xis(MP ~ 450 degree, qis shear zog - ciam teb lubrication FM mechanism); (2)hlau boride (FeB, Fe₂B) EP tshuaj tiv thaiv zaj duab xisnyob rau hauv - siab heev; (3) nyob rau hauv dej -raws li metalworking fluids, hydrolysis tsimboric acid (H₃BO₃)- lub ntuj, tsis yog- cov roj nplua nyeem ciam teb uas muab lubricity zoo heev hauv dej-raws li thiab ib nrab- hluavtaws MWF systems. TEGMEB yogtag nrho sulphur-dawb thiab phosphorus-dawb- nws tsuas yog heteroatom yog boron (B, 4.5–5.5 wt%). Qhov no ua rau nws yog qhov tseem ceeb tshaj plaws EP/AW additive rau: dej-raws li MWF (qhov twg S-P actives feem ntau txwv), aluminium / magnesium alloy machining (S-P corrosion risk), thiab S-P free industrial lubricant formulations. Sinolook Borate Ester Series:TEGMEB CAS Nr .: 30989-05-0· lwm borate ester qib.
✅ ZERO SULFUR · ZERO PHOSPHORUS · Borate Ester · B 4.5–5.5% · B₂O₃ + H₃BO₃ + FeB Tribochemistry · FP Ntau dua los yog sib npaug rau 160℃· PP Tsawg dua lossis sib npaug li -15℃· Dej-F · AW · AW · G Brake Fluid CAS 30989-05-0
Triethylene Glycol Methyl Ether Borate (TEGMEB)
TEGMEB / Tris (triethylene glycol monomethyl ether) borate / Glycol Ether Borate Ester / 3乙2醇甲醚硼酸酯 / CAS 30989-05-0 / B 4.5–5.5% /Zero S · Zero P/ Colourless–Lub teeb daj ua kua
| CAS Nr | 30989-05-0 |
| Lub npe | Tris[2-(2-methoxyethoxy)ethyl] borate / B[O–CH₂CH₂–O–CH₂CH₂–O–CH₃]₃. Peb triethylene glycol monomethyl ether (TEGME) chains yog esterified rau ib leeg boron atom los ntawm B-O-C borate ester bonds. MW ~ 504 g / mol (3 C₇H₁₅O₃ chains + B) |
| Qauv | Trigonal planar boron (sp² B) ntawm qhov chaw, txuas rau peb -O–CH₂CH₂–O–CH₂CH₂–O–CH₃ chains. B-O daim ntawv cog lus (BDE ~ 519 kJ / mol) yog tribochemically active bond - cleavage tso tawm B(OH)₃/B₂O₃ hom lubricating. Cov saw hlau ether (–O–CH₂CH₂–O–) muab dej miscibility thiab viscosity tsawg. Raws li pom hauv daim duab: skeletal formula CH₃–O–CH₂CH₂O–CH₂CH₂O (ib ntawm peb TEGME chains) txuas rau hauv nruab nrab B. 3D qauv:ntsuab=B(central boron atom, tshwj xeeb loj thiab ntsuab);liab=O(ether thiab borate ester oxygens);dub=C; dawb=H. Tsis muaj daj, tsis muaj grey - lees paub xoom S, xoom Mo, xoom P. |
| ★ Cov khoom tshwj xeeb | Peb-hauv-ib qho kev sib tw: B₂O₃ iav zaj duab xis (FM ntawm qhov ntsuas kub nruab nrab) + FeB/Fe₂B EP zaj duab xis (EP ntawm kev kub siab) + H₃BO₃ hydrolysis (FM hauv dej-raws li MWF). Tsuas yog heteroatom=B. Zero S, xoom P, xoom N, xoom hlau. Tsis yog-corrosive rau tooj liab (D130 1a). Dej-miscible (ether chain). Hydrolysis-sensitive - kev tswj dej nruj heev. |
| ★★ SAPS xwm txheej |
⚠ B=4.5–5.5% - boron contributes me sulphated tshauv (B₂O₃) ✅ S=0% - ZERO SULFUR ✅ P=0% - ZERO PHOSPHORUS
Nco tseg ntawm Boron thiab SAPS:B tsis tau qhia meej meej hauv ACEA's SAPS acronym (Sulphated Ash, Phosphorus, Sulphur). Txawm li cas los xij, B₂O₃ pab txhawb rau sulphated tshauv ntsuas los ntawm ASTM D482. Ntawm 0.5–2.0 wt% TEGMEB kho tus nqi, B pab rau cov tshauv=~ 0.03–0.13% - tseem ceeb hauv ACEA C1 ( tshauv Tsawg dua lossis sib npaug rau 0.5%) cov qauv ntawm cov nqi kho mob siab. Siv tsawg dua lossis sib npaug li 1.0 wt% hauv ACEA C1 / C2 cav roj; ywj pheej ntawm txhua tus nqi hauv cov roj nplua nyeem thiab MWF qhov twg tsis muaj cov hmoov tshauv txwv. |
| ★ Dej rhiab heev | ⚠ HYDROLYSIS SENSITIVE - dej tsawg dua lossis sib npaug li 0.10% hauv cov khoom zoo
B–O–C bonds hydrolyse: B(OR)₃ + 3H₂O → B(OH)₃ + 3ROH (boric acid + TEGME alcohol). Rate increases with temperature and pH >7. Nyob rau hauv cia: ntim ntim tseem ceeb; dej tsawg dua lossis sib npaug li 0.10% (KFT spec). Hauv dej-raws li MWF: tswj hydrolysis yogxav tau- boric acid khoom muab ciam teb lubrication. Hauv cov roj- cov roj nplua nyeem: txo cov dej noo kom tiv thaiv kom tsis txhob ntxov ntxov hydrolysis thiab emulsion haze. |
| Qhov tshwm sim | Colorless rau lub teeb daj pob tshab kua; huv, tsis muaj ntxhiab (ether / ester note); tsis pom haze lossis particulates. Nco tseg: daj ntseg daj tint tau txais; tej xim xim av lossis turbidity yuav qhia tau tias ib nrab hydrolysis - re-kuaj cov dej. |
TEGMEB Tribochemistry - Peb Boron-Based Protective Film Mechanisms
Triethylene Glycol Methyl Ether Borate (TEGMEB)ua hauj lwm los ntawm ib tug tshwj xeeb peb - txoj kev boron tribochemistry uas yog txawv kiag li los ntawm tag nrho lwm cov chav kawm additive nyob rau hauv lub Sinolook ntau yam. Qhov twg ZDDP tso siab rau zinc polyphosphate iav, MoDTC/MoDTP ntawm MoS₂ lamellar crystals, thiab phenolic/amine AOs ntawm radical scavenging - TEGMEB tsim nws cov kev tiv thaiv los ntawmboron-raws li nto chemistry: lub decomposition ntawm B-O-C ester bonds nyob rau hauv tribological thiab thermal activation tso tawm boron hom uas cuam tshuam nrog hlau nto thiab lubricant ib puag ncig los ntawm peb complementary txoj kev, txhua activated ntawm txawv kub thiab tej yam kev mob.
Ntawm qhov kub thiab txias siab tshaj 80 degree, B-O-C ester bonds hauv TEGMEB tau txais cov thermolysis thiab tribochemical cleavage. Cov boron tso tawm (raws li B(OH)₃ lossis B₂O₃ hom precursor) condenses rau ntawm cov hlau los tsim ib qhoamorphous B₂O₃ iav zaj duab xis(boron trioxide, melting point ~ 450 degree, ho siab tshaj cov roj nplua nyeem ua haujlwm kub). B₂O₃ nyob rau hauv nws lub xeev glassy yog ibviscoplastic khoom lubricantntawm kev khiav hauj lwm kub - nws glassy rheology tso cai rau cov zaj duab xis ntws thiab nws tus kheej- kho nyob rau hauv tribological kev sib cuag thaum tuav tsis tshua muaj shear zog.
Glassy B₂O₃ shear strength at 100–200°C is approximately 20–50 MPa - significantly lower than steel-on-steel contact stress (>1 GPa) tab sis txaus los txhawb nqa. B₂O₃ zaj duab xis ua raws li ib tug ciam lubricant nyob rau hauv sib xyaw / ciam teb lubrication regimes, txo hlau - mus rau -hlau sib cuag thiab txo kev sib txhuam coefficient los ntawm 30-50% vs unlubricated contact. B₂O₃ tsis yog -crystalline (tsis zoo li MoS₂ uas tso siab rau lamellar siv lead ua dav hlau) - nws cov xwm txheej amorphous tso cai rau nws ua raws li qhov tsis xwm yeem saum npoo av, muab lubrication zoo txawm nyob rau ntawm qhov chaw ntxhib.
Under extreme-pressure conditions (asperity contact stress >1 GPa, local temperature >200-300 degree), reactive boron hom los ntawm TEGMEB decomposition chemically react nrog hlau / hlau tiv tauj nto:Fe + B → FeB (orthorhombic) lossis Fe₂B (tetragonal). Cov hlau boride tebchaw no nyuaj heev (FeB: ~ 1800 HV; Fe₂B: ~ 1400 HV - nyuaj tshaj hlau ntawm ~ 80 HV) thiab tsim ib nyias (<100 nm) but highly load-bearing reaction layer on the steel surface. This EP mechanism is analogous to the iron sulphide (FeS) film formed by sulphur-EP additives but without sulphur - providing equivalent or superior EP protection with zero sulphur chemistry.
Qhov tseem ceeb ntawm boride EP tshaj sulfide EP:FeB/Fe₂B films tsis corrode tooj liab lossis daj hlau(ASTM D130 tooj liab strip test: TEGMEB feem ntau muab 1a–1b, tsis yog{3}}corrosive). Sulphur-EP additives (sulphurised esters, active sulfur compounds) yog inherently tooj liab -corrosive (D130 3}c–4c) - yuav tsum tau ntxiv tooj liab deactivator additives. TEGMEB muab kev tiv thaiv EP nrog xoom tooj liab corrosion, ua rau nws zoo tagnrho rau iav roj thiab hydraulic kua hauv cov tshuab uas muaj tooj liab / tooj dag Cheebtsam (hydraulic twj tso kua mis Cheebtsam, iav roj sumps nrog bronze bushings).
Hauv dej-cov kua dej ua haujlwm hlau (semi-synthetic, puv-synthetic MWF), TEGMEB raug tswj xyuas hydrolysis: B(OR)₃ + 3H₂O →B(OH)₃ (boric acid, H₃BO₃)+ 3 TEGME cawv. Boric acid yog cov ntxhia, ib puag ncig zoo nkauj uas tsim cov pob zeb lamellar (triclinic, txheej txheej nrog B-OH··OH hydrogen bonding ntawm txheej) zoo ib yam li lubrication tswvyim rau graphite lossis MoS₂. H₃BO₃ cov khaubncaws sab nraud povtseg swb dhau ib leeg nrog qis shear quab yuam, muab ciam teb lubrication ntawm cov cuab yeej / workpiece tiv tauj hauv kev txiav, sib tsoo, thiab kos duab.
Tsis zoo li sulphur-phosphorus EP additives hauv dej-raws li MWF, boric acid H₃BO₃ yog:tsis yog - lom(LD50 (qhov ncauj, nas) ~ 3450 mg/kg - piv rau cov ntsev ntsev);tsis yog -biocidal(tsis tua kab mob ntawm MWF siv cov concentrations - khaws cia MWF ntev nrog cov txheej txheem biocide regimen);emulsion- ruaj khov(tsis ua rau emulsion tawg hauv roj- hauv - dej MWF systems);tsis yog -foaming(TEGMEB ether chain suppresses foam tiam). Cov khoom no ua rau TEGMEB- muab tau los ntawm boric acid lubrication qhov tseem ceeb tshaj plaws rau kev ua haujlwm siab - dej ua haujlwm -raws li MWF daim ntawv thov uas tsis yog - toxicity thiab emulsion stability yog ib txhij yuav tsum tau.
| Kev ntsuas | S-P EP (sulphurised ester / ZDDP) | ★ TEGMEB (Borate Ester) |
|---|---|---|
| Cov ntsiab lus sulfur | Siab (8-40%) | ✅ 0% - Xoom |
| Cov ntsiab lus phosphorus | 0-5% (ZDDP: ~ 10%) | ✅ 0% - Xoom |
| ★ Copper corrosion (D130) | 3c-4c (corrosive) | ★ 1a–1b (tsis yog-corrosive) |
| Al/Mg alloy compatibility | S staining txaus ntshai | ★ Tsis muaj staining - nyab xeeb |
| Kev siv dej -raws li MWF | Limited (cov teeb meem emulsion) | ★★ Zoo heev (H₃BO₃ lubrication) |
| Environmental / toxicity | Kev txhawj xeeb nruab nrab | ★ Txo kev txhawj xeeb (cov khoom boric acid) |
| EP zaj duab xis hardness | FeS: ~ 700 HV | FeB: ~ 1800 HV (nyuaj) |
| Qhov tshwm sim | Colorless rau lub teeb daj pob tshab kua |
| ★ B cov ntsiab lus | 4.5-5.5 wt% (zoo li 5.0%) |
| ★ S cov ntsiab lus | 0% - Tsis muaj leej faj |
| ★ P cov ntsiab lus | 0% - Tsis muaj phosphorus |
| Ceev @ 20 degree | 1.02-1.05g / cm³ |
| Flash Point (COC) | Ntau dua lossis sib npaug li 160 degree |
| ★ Pour Point | Tsawg dua los yog sib npaug rau -15 degree |
| ⚠ Cov ntsiab lus dej | Tsawg dua lossis sib npaug li 0.10% (KFT) |
| Refractive index @20 degree | 1.420–1.430 |
| Txee lub neej | 24 lub hlis (sau, 5-30 degree) |
Technical Specification
Raws li 5.0%. Thawj qhov Performance index. Siab dua B=ntau B₂O₃/FeB/H₃BO₃ zaj duab xis- ua kom muaj peev xwm. Qhia meej lub hom phiaj B% ntawm kev txiav txim.
Zero sulfur, xoom phosphorus - EP tiv thaiv tsis muaj S/P chemistry. Tsis yog-corrosive (D130 1a–1b). Tau tshaj Al / Mg / Cu alloys tsis muaj staining.
Me ntsis denser tshaj cov roj ntxhia (~ 0.85–0.88). Cov miscibility zoo heev tau lees paub los ntawm kev kuaj pom kev sib xyaw ua ke - tsis muaj theem sib cais ntawm kev kho tus nqi hauv pab pawg I-III ntxhia lossis PAO puag roj.
Tsawg heev -temp fluidity - zoo dua Mo Amine Complex ( Tsawg dua lossis sib npaug rau -5℃) thiab MoDTC ( Tsawg dua lossis sib npaug li -10℃). Tseem ceeb heev rau txias - huab cua iav roj thiab hydraulic roj sib xyaw.
Ceev ceev hauv - kab QC cuab yeej. Tawm - ntawm -ntau yam nD qhia tawm -spec muaj pes tsawg leeg lossis ib nrab hydrolysis. Tshawb xyuas nrog ICP B cov ntsiab lus yog nD anomalous.
| Parameter | Specification | Txoj Kev Xeem | Technical Note |
|---|---|---|---|
| Qhov tshwm sim | Colorless rau lub teeb daj kua | Visual / D156 | Clear, pob tshab, tsis muaj particulates. Lub teeb daj daj (Saybolt xim Ntau dua lossis sib npaug rau +20) tau. Xim av/turbid=ua tau hydrolysis - xyuas KFT cov ntsiab lus dej tam sim ntawd. |
| ★ Cov ntsiab lus Boron | 4.5–5.5 wt% (typ. 5.0%) | ICP-OES / titrimetric | Thawj qhov Performance index. Txiav txim siab B₂O₃ zaj duab xis muaj peev xwm thiab H₃BO₃ tawm los ntawm hydrolysis. Qhia meej lub hom phiaj B% ntawm kev txiav txim - ntau COA tshaj tawm ICP-B tus nqi. |
| ★ S Cov ntsiab lus | 0% | ASTM D4294 / ICP | Zero sulfur - tsis muaj S atom hauv TEGMEB qauv. Tseem ceeb rau: Al/Mg machining (S staining zam); tooj liab- sib xws formulations (D130 1a); S-cov roj nplua nyeem pub dawb; dej-raws li MWF (S-P compatibility teeb meem zam). |
| ★ P Cov ntsiab lus | 0% | ICP-OES | Tsis muaj phosphorus. ACEA P- txwv tsis pub ua raws li tus nqi kho mob (P contribution=0). Txuag tag nrho P pob nyiaj siv rau ZDDP hauv kev siv roj cav. |
| Ceev @ 20 degree | 1.02-1.05g / cm³ | ASTM D 4052 Cov Lus Qhia Tshwj Xeeb | Ntau dua li cov roj ntxhia - nplawm / sib tov pom zoo thaum sib xyaw rau hauv cov roj hauv paus. Paub meej tias miscible; tsis muaj stratification nyob rau hauv tej ntxhia los yog PAO sib tov. |
| Flash Point (COC) | Ntau dua lossis sib npaug li 160 degree | ASTM D92 (COC) | Non-flammable (GHS FP >60 degree); tsis muaj ADR Chav Kawm 3. Nco ntsoov: COC txoj kev qhib - khob, feem ntau 15–20℃siab dua PM (kaw- khob) sib npaug. |
| ★ Pour Point | Tsawg dua los yog sib npaug rau -15 degree | ASTM D 97 | Txias txias heev- ntws: zoo tshaj PP ntawm tag nrho Sinolook FM / AW additives (Less tshaj los yog sib npaug rau -15℃vs MoDTP Tsawg dua los yog sib npaug rau -10℃, Mo Amine Complex Tsawg dua los yog sib npaug rau -5℃). Ua kom siv tau rau hauv txias - huab cua iav roj thiab hydraulic roj sib xyaw yam tsis muaj ua ntej - cua sov lub additive. |
| ⚠ Cov ntsiab lus dej | Tsawg dua lossis sib npaug li 0.10% | Karl Fischer | Critical spec - B–O–C bond hydrolysis begins at water >0.1%. Sealed storage essential. Re-test after opening. Use N₂ blanket for IBCs. Any turbidity or colour change in stored product: immediately test KFT; if water >0.1%, ntsuas B cov ntsiab lus kom paub meej tias tsis muaj qhov cuam tshuam loj. |
| Refractive Index @20 degree | 1.420–1.430 | ASTM D 1218 | Cov cuab yeej QC nrawm: tuaj yeem ntsuas hauv 30 vib nas this nrog lub ntsuas refractometer. Tawm - ntawm - spec nD feem ntau qhia tawm -spec muaj pes tsawg leeg lossis hydrolysis. Pom zoo raws li QC kuaj xyuas. |
| Ntim | 200 kg nruas (hlau / HDPE) · 1000 L IBC | - | 24-lub hlis txee lub neej kaw ntawm 5-30 degree. Kev kaw cia tseem ceeb rau kev tiv thaiv hydrolysis. N₂ daim pam rau qhib IBCs. |
Daim Ntawv Thov & Kev Qhia Txog Kev Siv Tshuaj
1. Metalworking Fluids - Daim Ntawv Thov Tseem Ceeb
TEGMEB feem ntau siv rau hauvmetalworking fluids (MWF)- tshwj xeeb tshaj yog nyob rau hauv dej-raws li (semi-synthetic thiab hluavtaws) txiav, sib tsoo, honing, thiab kos cov kua. Nyob rau hauv dej-raws li MWF (ib txwm dilution 3–10% nyob rau hauv dej), TEGMEB ntawm 0.5–2.0 wt% ntawm concentrate muab EP thiab lubricity los ntawm nws txoj kev hydrolysis: B-O-C bonds hydrolyse ntawm MWF kev khiav hauj lwm pH (7.5–9.5) thiab kub (20–60 ° H BO), assorting nto ntawm hlau. ciam teb lubricant. TEGME cawv co- khoom yog dej- soluble thiab tsis cuam tshuam rau emulsion stability. Rau cov roj-raws li MWF (cov roj zoo zoo, cov roj stamping), TEGMEB ntawm 1.0–3.0 wt% muab kev tiv thaiv EP ntawm B₂O₃ zaj duab xis thiab FeB cov tshuaj tiv thaiv txheej uas tsis muaj sulfur chemistry - tseem ceeb raualuminium alloy machining(Al, Mg, Ti), qhov twg sulfur - nquag EP compounds ua rau dub staining ntawm workpieces. TEGMEB ntawm cov nqi kho mob hauv txhuas txiav cov roj muab ASTM D2783 plaub- pob EP Weld Load ntawm 126-160 kg (vs 63 kg rau cov roj ntxhia tsis muaj roj) nrog xoom workpiece discoloration.
2. Nres Fluids - DOT 3/4/5.1 Glycol Ether Base
TEGMEB's glycol ether qauv (triethylene glycol monomethyl ether chains) yog tshuaj sib haum nrogpolyglycol-raws li automotive brake fluids (DOT 3, DOT 4, DOT 5.1 per FMVSS 116). Raws li borate ester ntawm TEGME, TEGMEB tuaj yeem ua haujlwm ua haujlwm tau zoo- txhim kho cov khoom siv ntxiv hauv cov kua dej sib xyaw ua ke - B-O-C borate functionality muab kev tiv thaiv me me los tiv thaiv -corrosion tiv thaiv rau brake system hlau Cheebtsam (steel, cam khwb cia hlau, aluminium callipers, tooj liab nres kab) thiab txhim kho lub hauv paus ruaj khov{4} kua dej. Ntawm cov nqi kho mob pom zoo, TEGMEB tswj kev ua raws li DOT specifications nrog rau ntub thiab qhuav equilibrium reflux boiling point (ERBP) thiab kinematic viscosity txwv ntawm -40℃thiab 100 degree. Tus xoom-sulphur, xoom{10}}phosphorus muaj pes tsawg leeg ua kom tsis muaj kev cuam tshuam rau roj hmab foob o lossis tsis sib haum nrog EPDM thiab SBR nres kaw lus.
3. Muaj Iav Roj Hmab & Hydraulic Fluids
Hauv kev lag luam iav roj (DIN 51517-3 CLP, AGMA 9005-F16) thiab cov kua dej hydraulic (DIN 51524-2/3 HLP, ISO VG 32–150), TEGMEB ntawm 0.3–1.5 wt% muab EP / AW tiv thaiv los ntawm B₂O cov tshuaj tiv thaiv iav los yog cov tshuaj tiv thaiv kab mob Hloov cov sulfur-phosphorus EP additives. Qhov txiaj ntsig tseem ceeb yog qhovtsis yog -corrosive tooj liab ntsuas (ASTM D130 1a–1b)- iav cov roj av thiab cov tshuab hydraulic feem ntau muaj cov khoom siv tooj liab, tooj liab gaskets, thiab tooj dag fittings uas raug tawm tsam los ntawm cov khoom nquag siv -sulphur EP additives. TEGMEB muab qhov sib npaug EP thauj khoom- nqa lub peev xwm (ASTM D2783 Weld Load piv) yam tsis muaj kev pheej hmoo tooj liab corrosion, tshem tawm qhov xav tau rau tooj liab deactivator additives. Rauzaub mov- qib nyob ib sab (H2 qeb) iav roj, TEGMEB qhov qis ecotoxicity vs S-P EP compounds (ua ke nrog nws tsis yog-corrosive, non{2}}staining yam ntxwv) ua rau nws nyiam EP additives. Txheeb xyuas cov xwm txheej H2 tshwj xeeb nrog tus kws pab tswv yim tswj hwm.
4. Cav Roj & Compressor Roj
Hauv automotive engine oils (ACEA C1/C2/C3, API SP), TEGMEB ntawm 0.2–0.5 wt% pab txhawb AW/EP tiv thaiv yam tsis muaj phosphorus - txuag nyiaj P tag nrho rau ZDDP los tiv thaiv- hnav. Ntawm 0.5 wt% kho, B pab txhawb ~ 0.025–0.028% rau sulphated tshauv (los ntawm B₂O₃ tsim nyob rau hauv ASTM D482 xeem tej yam kev mob) - tau nyob rau hauv ACEA C1 ( tshauv Tsawg tshaj los yog sib npaug rau 0.5%) thiab C3 ( tshauv Tsawg tshaj li 8%). Rau ACEA C1 ntawm tus nqi kho mob siab dua (0.5–1.0 wt%), suav cov tshauv tag nrho: TEGMEB B- tau txais tshauv + ZDDP Zn- cov tshauv tau los yuav tsum nyob qis dua lossis sib npaug li 0.5%. HauvCov roj compressor (DIN 51506 VDL, ISO 6521), TEGMEB's B₂O₃ zaj duab xis mechanism yog tshwj xeeb tshaj yog zoo nyob rau hauv rotary ntsia hlau thiab vane compressors qhov twg piston nplhaib / lub tog raj kheej phab ntsa tiv tauj nyob rau hauv siab paug siab xav tau kev tiv thaiv EP / AW - qhov tsis yog - sulphur EP zam sulphur - cuam tshuam tawm valve deposits.
| Daim ntawv thov | Tus nqi kho mob (wt%) | S / P hauv roj | Cov txiaj ntsig tseem ceeb / Standard |
|---|---|---|---|
| Dej-raws li MWF (semi-synthetic / hluavtaws) | 0.5–2.0 | S=0% P=0% ✅ | H₃BO₃ hydrolysis lubrication; tsis yog - lom; emulsion- ruaj khov; D130 1a; Al/Mg nyab xeeb; best MWF application |
| Zoo/roj-raws li MWF - Al/Mg/Ti machining | 1.0–3.0 | S=0% P=0% ✅ | Zero S staining ntawm Al/Mg; D2783 Weld Load 126-160 kg; tsis yog-corrosive Cu; aerospace khoom sib xws |
| Nres kua (DOT 3/4/5.1 glycol ether puag) | Cheebtsam | S=0% P=0% ✅ | TEGME kev sib raug zoo; tiv thaiv -corrosion rau nres hlau; EPDM / SBR foob tau tshaj; FMVSS 116 DOT 3/4/5.1 |
| Cov roj iav muaj roj (S-P dawb / zaub mov- nyob ib sab) | 0.5–1.5 | S=0% P=0% ✅ | FeB EP zaj duab xis; D130 1 tsis yog-corrosive Cu; bronze / tooj dag system muaj kev nyab xeeb; DIN 51517-3 CLP P-dawb variant |
| Hydraulic roj (tsis yog -corrosive EP) | 0.3–1.0 | S=0% P=0% ✅ | DIN 51524-2/3 HLP; Denison HF-0 (tooj liab corrosion tseem ceeb); twj AW/EP tiv thaiv tsis muaj S/P |
| Cav / compressor roj (ACEA C1-C3 EP ntxiv) | 0.2–0.5 | S=0% P=0% ✅ | AW ntxiv rau ZDDP (tsis muaj P ntxiv); saib xyuas B- tau txais tshauv ntawm 0.5 wt%: ~ 0.025–0.028% cov hmoov tshauv; ACEA C1 tshauv Tsawg dua lossis sib npaug li 0.5% tso cai rau ~ 1.0 wt% TEGMEB |
Cov lus nug nquag
Q: TEGMEB tau piav qhia tias yog "hydrolysis-sensitive." Puas muaj kev nyab xeeb los siv hauv dej - cov kua dej ua haujlwm hlau?
Lub hydrolysis ntawm TEGMEB hauv dej-raws li MWF tsis yog ib qho teeb meem - nws yoglub hom phiaj kev ua tau zoo mechanism. Thaum TEGMEB tiv tauj dej hauv MWF systems, B-O-C bonds hydrolise los tsim boric acid (H₃BO₃) thiab TEGME cawv. Boric acid yog cov ciam teb tiag tiag lubricant uas adsorbs ntawm hlau nto hauv MWF system. Qhov hydrolysis no yuav tsum tau paub qhov txawv ntawm kev cia degradation (qhov twg hydrolysis ntxov ntxov ua ntej siv yuav txo tau B cov ntsiab lus hauv cov khoom zoo huv si - li no cov dej nruj dua los yog sib npaug rau 0.10% spec rau TEGMEB zoo). Hauv kev siv, kev tswj hwm hydrolysis tus nqi hauv MWF (tswj los ntawm pH 7.5-9.5 thiab kub 20-60 degree) muab kev txhawb nqa ntawm H₃BO₃ lubrication thoob plaws hauv MWF lub neej ua haujlwm. TEGME cawv byproduct yog dej{11}}soluble, non{12}} lom, thiab tsis cuam tshuam rau emulsion stability lossis biocide kev ua tau zoo. Kev soj ntsuam MWF B cov ntsiab lus los ntawm ICP lossis boric acid titration dhau lub sijhawm tso cai rau MWF tus neeg teb xov tooj taug qab thaum TEGMEB tau noj thiab yuav tsum tau rov ua dua. Raws li MWF cov sij hawm ntxiv: saum toj kawg nkaus - nce nrog TEGMEB mloog zoo txhua 2-4 lub lis piam nyob ntawm kev siv tshuab siv zog thiab dej dilution piv.
Q: Puas yog boron (B) suav nrog SAPS txwv hauv ACEA cov roj cav tshwj xeeb?
Boron tsis tau teev meej meej hauv ACEA SAPS acronym (Sulphated Ash, Phosphorus, Sulphur). Txawm li cas los xij, boron pab txhawb rauSulfated tshauv (ASTM D482)vim tias thaum lub sij hawm D482 txoj kev txiav txim siab tshauv, boron yog oxidised rau B₂O₃ uas tseem nyob rau hauv cov tshauv residue. Ntawm 0.5 wt% TEGMEB (B=5.0%), B- tau txais cov hmoov tshauv=kwv yees li 0.5 × 0.05 × (B₂O₃/2B ratio=69.6/21.6=3.22) × B feem ≈ 0.025% ashulated Ntawm 1.0 wt% kho: ~ 0.050% tshauv; ntawm 2.0 wt%: ~ 0.10% tshauv. ACEA C1 txwv yog 0.5% sulphated tshauv - yog li TEGMEB tuaj yeem siv tau txog li ~ 1.0 wt% hauv ACEA C1 cav roj formulations ua ntej B- cov tshauv tau los ua qhov tseem ceeb ntawm qhov txwv (piv txwv tias ZDDP thiab cov tshuaj ntxuav tes kuj muaj). Hauv kev lag luam roj nplua nyeem thiab MWF uas tsis muaj cov hmoov tshauv txwv, qhov no tsis cuam tshuam tag nrho. Ib txwm suav tag nrho cov formulation sulphated tshauv suav nrog TEGMEB, ZDDP, thiab cov tshuaj ntxuav tes thaum tsim rau ACEA tshauv - txwv tsis pub.
Q: TEGMEB puas tuaj yeem hloov ZDDP lossis sulphur-phosphorus EP additives?
TEGMEB tsis yog tsim los ua ib qho kev hloov pauv tag nrho rau ZDDP lossis S-P EP additives nyob rau hauv feem ntau lubricant daim ntawv thov - nws yog optimally siv raws li ib tugntxiv los yog hloov ib nrab: (1) Dej -raws li MWF: TEGMEB tuaj yeem siv los ua tus thawj EP/lubricity additive, zoo hloov S-P EP compounds nyob rau hauv daim ntawv thov no - H₃BO₃ mechanism yog zoo- pov thawj rau kev txiav, sib tsoo, thiab kos duab ua haujlwm, thiab tsis yog - tshuaj lom, tooj liab- muaj kev nyab xeeb profile. (2)Roj -raws li lubricants: TEGMEB ntawm 0.3–1.0 wt% ntxiv ZDDP (0.5–0.8 wt%) - ua ke lawv muab AW + EP + FM kev ua tau zoo dua li ib leeg, thaum tso cai rau ZDDP kho tus nqi (thiab P pab) txo. Qhov no yog qhov zoo tshaj plaws P-txo cov tswv yim: TEGMEB tuav qee qhov kev ua haujlwm EP thaum ZDDP tuav ROOH decomposition (secondary AO) thiab thawj AW. (3)S-P dawb specifications(Al/Mg MWF, zaub mov- nyob ib sab H2, xoom-sulphur tooj liab- nyab xeeb): TEGMEB yogthawj EP additive- siv los ntawm tus nqi kho mob siab dua (1.0–3.0 wt%) kom ua tiav qhov kev tiv thaiv EP uas xav tau yam tsis muaj S/P chemistry. Hu rau Sinolook nrog rau koj daim ntawv thov tshwj xeeb thiab lub hom phiaj tribological kev ua tau zoo rau kev pom zoo tus nqi kho mob thiab muab kev sib tw sib tw.
Technical & Regulatory References
ICP-OES D5185 (B cov ntsiab lus, S=0 tau lees paub, P=0 tau lees paub) · ASTM D92 COC (FP Ntau dua lossis sib npaug li 160 degree) · ASTM D97 (PP Tsawg dua lossis sib npaug rau -15 degree) · ASTM D³ L400 (density 1.5g lossis sib npaug li 1.5 KFT) rau 0.10%) · ASTM D1218 (refractive index 1.420-1.430) ·ASTM D2783 Plaub-Pob EP (Weld Load / Load Wear Index) · ASTM D4172 Plaub-Pob Hnav (WSD - tiv thaiv- hnav)ASTM D130 (tooj liab corrosion - lub hom phiaj 1a–1b) · ASTM D6138 (DGMK micropitting) ·MWF- tshwj xeeb:IP 287 (emulsion stability) · ISO 11158 (MWF lubricity) · ASTM D3233 (Falex pin-thiab-}vee EP) · Boric acid titration (MWF B cov ntsiab lus saib xyuas)
MWF (primary):ISO 6743-7 MH (zoo txiav) · ISO 6743-7 MAC (semi-synthetic) · DIN 51385 · kais dej / hard water test (ISO 23783) ·Nres dej:FMVSS 116 DOT 3/4/5.1 · SAE J1703 / J1704 · ISO 4925 ·iav roj:DIN 51517-3 CLP · AGMA 9005-F16 · ISO 12925-1 (zero-S variant) ·Hydraulic:DIN 51524-2/3 HLP · ISO 4406 · Denison HF-0/2 (D130 1yuav tsum tau) ·Cov roj cav:ACEA C1–C3 (cov hmoov tshauv pab tsawg dua lossis sib npaug li 0.5% tag nrho) · API SP ·Khoom noj khoom haus- nyob ib sab:NSF H2 (xyuas ib daim ntawv thov) · EU Reg. EC 1935/2004 nyob ib sab
CAS 30989-05-0 · EINECS sau npe · REACH compliant · TSCA teev · ✅ S=0% (confirmed) · ✅ P=0% (confirmed) · ⚠ B=4.5–5.5% → minor sulphated ash contribution (B₂); xam ntawm kev kho tus nqi rau ACEA ua raws · FP Ntau dua lossis sib npaug rau 160℃COC - tsis yog{12}}flammable; tsis muaj ADR Class 3 · GHS SDS: GHS07 (mob irritant - qhov muag / tawv nqaij irritant, zoo ib yam li glycol ether class; standard PPE: hnab looj tes, tsom iav; tsis txhob nqus pa ntawm vapour / pos huab; boric acid hydrolysis khoom yog tsis tshua muaj mob toxicity) · Nco tseg: boric acid (H₃EACH) khoom Kev tsim cov tshuaj toxicity (Qeb 1B) - paub meej tias MWF sump concentration ntawm H₃BO₃ rau cov neeg ua hauj lwm raug soj ntsuam nyob rau hauv cov dej-raws li MWF daim tawv nqaij sib cuag scenarios · 24-hli lub txee lub neej kaw ntawm 5-30 degree
FM/AW/EP Additives: MoDTP (FM+AW+AO) ✅ · MoDTC (FM, zero P) ✅ · Mo Amine Complex (AO+FM, zero S+P) ✅ · TEGMEB CAS 30989-05-0 ✅ (this) - Borate Ester EP+AW+FM, zero S+P → ZDDP AW/AO ✅:Ntau yam →Phenolic AO ✅:BHT · DTBP · HP-136/L01/L57 →Amine AO ✅:ADPA · NPA →Detergents/Dispersants ✅
TEGMEB · CAS 30989-05-0 · B 4.5–5.5% · S=0% · P=0% · FP Ntau dua los yog sib npaug rau 160℃· PP Tsawg dua los yog sib npaug rau -15℃· Dej tsawg dua lossis sib npaug li 0.10% · ntom 1.5D/cm · 0. 1.420–1.430 · Zero S/P · 200 kg Nruas / IBC · 24-Hloov Txee Lub neej
Thov Kev Them Nqi, Kev Qhia Qhia & Kev Pabcuam
Qhia meej txog daim ntawv thov (dej-raws li MWF, roj-raws li zoo zoo txiav roj, nres kua, iav roj, hydraulic roj, cav roj), workpiece khoom (steel, Al, Mg, Ti, Cu), lub hom phiaj EP kev ua tau zoo (ASTM D2783 Weld Load target), thiab SAPS txwv. Peb muab: COA ntau nrog ICP B cov ntsiab lus thiab xoom-S/P lees paub; EP tshuaj ntsuam cov ntaub ntawv (D2783 thiab D4172 plaub- pob ntawm tus nqi kho mob); MWF H₃BO₃ hydrolysis tus nqi data; Kev soj ntsuam kev sib raug zoo nrog cov co- additives (ZDDP, Mo FM qib, emulsifiers). Cov qauv (100-500 mL) rau kev sim tshuaj thiab kev sim D130 / D2783.
Borate Ester EP/AW/FM Series & Tag Nrho Ntxiv Ntau Yam:
TEGMEB CAS 30989-05-0 ✅ (qhov no) - Zero S/P Borate EP → Mo FM: MoDTP · MoDTC · Mo Amine Complex ✅ → ZDDP ✅ · Phenolic AO ✅ · Amine AO ✅ · Detergents ✅
Cim npe nrov: Tuam Tshoj triethylene glycol methyl ether borate, Tuam Tshoj triethylene glycol methyl ether borate manufacturers, lwm tus neeg
