Lubricant Additives - Ashless Dispersants Series:Borated PIBSI qhia txog qhov zoo ntawm qhov tshiab rau succinimide dispersant series - aborate ester txuas (B-O-C)hloov qhov dawb -OH/–NH pawg ntawm cov qauv PIBSI, grafting boron mus rau succinimide polar taub hau. Qhov kev hloov kho ib zaug ib txhij ntxivTBN (20-40 mgKOH / g los ntawm boron Lewis hauv paus), kev ua haujlwm antioxidant (B-O–N radical chain termination), thiab kev sib txhuam -txo kev muaj peev xwm ( ciam teb BN- hom zaj duab xis) - tag nrho yam tsis ntxiv Ca, Mg, Zn, S, lossis P. Boron yog qhov tshwj xeeb hauv qhov uas nws txhawb TBN thiab AO ua haujlwm los ntawm ib qhotsis muaj tshauv, sulphur -dawb, phosphorus -dawbnruab nrab - tsuas yog cov khoom ntxiv uas muab cov txiaj ntsig zoo sib xyaw ua ke hauv qhov xoom -SAPS txwv. Sinolook Suppliers: PIB Mono/Bis/Poly-Succinimide ·Borated PIBSI· Borated Bis-Succinimide · Boron-Phosphated Bis-Succinimide · Tsawg Viscosity Dispersant.
Lubricant Additive · Borated Ashless Dispersant · TBN los ntawm Boron · Anti- Hnav · Antioxidant · Zero Conventional tshauv · PCMO · HDEO · Gas Cav · Fuel Additive
Borated PIBSI
Borated Polyisobutylene Succinimide / N 1.5–2.5 wt% · B 0.5–1.5 wt% · TBN 20–40 mgKOH/g / Multifunctional Ashless Dispersant nrog Boron TBN + AO + Friction Benefits
| Chemical Class | Borated polyisobutylene succinimide - ua los ntawm reacting PIB Mono-Succinimide (PIBSI) nrog boric acid (H₃BO₃) los yog borate ester (xws li trimethyl borate) nyob rau hauv kev tswj kub; cov tshuaj tiv thaiv boronation hloov pauv cov dawb -OH thiab / lossis -NH terminal amine pawg ntawm cov saw hlau polyamine rau hauv borate ester linkages (B-O-C) thiab / lossis B-N kev sib koom tes; structure: PIB–[succinimide ring]–polyamine–B(O–)(O–)(O–) or PIB–[succinimide]–N→B borate complex; ntxhia roj diluent; Tsis muaj Ca/Mg/Zn/Ba / NO sulfur / NO phosphorus hauv boron-muaj units |
| Qauv (duab) | R–CH₂–N(–CH₂–)(–PIB)–CO–CH–CO–B-OH: PIB tails (R, –PIB) provides oil solubility; succinimide nplhaib (–CO–CH–CO–) yog qhov sib txuas imide; tusboron atom (B, ntsuab hauv 3D qauv)yog sib txuas ncaj qha los ntawm oxygen mus rau succinic acid residue thiab ntawm amine nitrogen - tsim ib Lewis acid-base B←N dative bond + borate ester B-O-C; 3D qauv: ntsuab=B, xiav=N, liab=O (borate ester oxygens), dub=C, dawb=H |
| Cov ntsiab lus Boron | 0.5 ~ 1.5 hli(ICP-OES / ASTM D5185 yoog; thawj boron- cov ntsuas tshwj xeeb; lees paub ntawm COA; siab dua B%=muaj zog AO + tribological effect + TBN) |
| ★ Defining Properties | ★ TBN 20–40 mgKOH/g - los ntawm boron, NOT Ca/Mg Antioxidant - B–O–N radical chain termination Anti- hnav / txhuam - ciam teb BN- hom zaj duab xis |
| SAPS Status | Zero pa S/A (ASTM D874) - boron tsis tsim sulphated tshauv Zero S · Zero P Nco tseg: boron pab txhawb B₂O₃ tshauv - ntsuas hauv qis- tshauv specs |
| GHS Hazards | Combustible kua FP Ntau dua los yog sib npaug rau 180 degree H315 / H319 tawv nqaij / qhov muag khaus |
Borated PIBSI yog dab tsi?
Borated PIBSIyog tsim los ntawm post-kev kho tus qauv PIB Mono-Succinimide (PIBSI) nrog boron qhov chaw - feem ntau boric acid (H₃BO₃) lossis borate ester - nyob rau hauv qhov ntsuas kub (feem ntau 100–160℃). Cov tshuaj tiv thaiv boronation lub hom phiaj pub dawb -OH thiab -NH₂ pawg davhlau ya nyob twg ntawm cov saw hlau polyamine: boric acid condenses nrog ob -OH lossis -NH pawg los tsim ib qhoborate ester linkage (–O–B–O–)thiab/los yog B←N dative daim ntawv cog lus, tso dej. Cov boron atom yog li ua covalently los yog sib koom ua ke rau succinimide-polyamine architecture, nrog rau B-OH pawg uas tseem muaj rau ntxiv hydrogen bonding nrog polar nto thiab cov kab mob.
Qhov kev hloov kho ib leeg no - ntxiv boron rau PIBSI lub moj khaum - tsim ib qhotiag tiag multifunctional moleculeuas ib txhij xa plaub qhov kev ua tau zoo: (1) tib yam dej ntws / cov kua dej ntau ntau -theem dispersancy raws li tus qauv PIBSI ntawm cov succinimide/polyamine polar pawg; (2)TBN 20–40 mgKOH/glos ntawm Lewis hauv paus B-N thiab B-O-N cov chaw (ib qho piv txwv tsis tshua muaj txiaj ntsig TBN los ntawm qhov tsis muaj tshauv, sulphur-dawb, phosphorus- chaw dawb); (3)kev ua haujlwm antioxidantlos ntawm B-O-N linkage lub peev xwm los cuam tshuam peroxy radicals hauv cov saw hlau autoxidation; (4)anti- hnav thiab kev sib txhuam- txolos ntawm kev tsim cov boron- muaj ciam teb tribological zaj duab xis ntawm cov hlau sib txuas sib txuas - analogous rau lubricity mechanism ntawm hexagonal boron nitride (h-BN) tab sis kev khiav hauj lwm ntawm -situ adsorption los ntawm cov roj theem es tsis yog cov khoom additive.
| Khoom | Standard PIBSI (tsis yog-borated) | Borated PIBSI |
|---|---|---|
| Soot / sludge dispersancy | ✓ Zoo heev | ✓ Zoo heev ( khaws cia ) |
| TBN pab | ~0–5 mgKOH/g (tsuas yog N xwb) | ★ 20–40 mgKOH/g (B Lewis Basicity) |
| Antioxidant muaj nuj nqi | Tsis muaj | ★ B–O–N radical chain termination |
| Anti- hnav / txhuam | Tsis muaj | ★ Ntug BN- hom tiv thaiv zaj duab xis |
| Cov ntsiab lus nitrogen | 0.8 ~ 2.5 hli | 1.5-2.5 wt% (zoo ib yam) |
| Cov ntsiab lus boron | 0 | ★ 0.5-1.5 wt% |
| Sulfated tshauv (ASTM D874) | 0 wt% | ~ 0 wt% cov qauv S / A; trace B₂O₃ |
| Sulfur / phosphorus | ~0 / 0 | ~0 / 0 |
| Cov luag haujlwm ua haujlwm | Dispersant nkaus xwb | ★ Dispersant + TBN + AO + Anti- hnav (4-hauv-1) |
Boron SAPS nco ntsoov:ASTM D874 sulfated tshauv ntsuas cov inorganic residue tom qab combustion hauv H₂SO₄. Boron oxides (B₂O₃) tsim los ntawm borated dispersants yog volatile ntawm ashing kub thiab loj dim - nyob rau hauv kev xyaum, borated dispersants pab negligible pa S / A los ntawm ASTM D874. Txawm li cas los xij, ACEA thiab qee qhov tshwj xeeb OEM tuaj yeem suav boron- muaj cov tshauv cais hauv ultra- cov hmoov tshauv qis (ACEA C1/C5, S/A Tsawg dua lossis sib npaug li 0.5%). Formulators yuav tsum paub meej nrog cov kev qhia tshwj xeeb ntawm boron-kev suav cov hmoov tshauv ua ntej siv hauv ultra{11}} qis- SAPS formulations. Rau ACEA C2 / C3 (S / A Tsawg dua lossis sib npaug li 0.8%), borated PIBSI yog siv tau dawb.
Technical Specification
| TBN Source | TBN pab @1 wt% kho | S/A ntxiv | S ntxiv | Muaj nuj nqi ntxiv |
|---|---|---|---|---|
| Tom ntej: Ca Sulfonate (TBN 350) | 3.5 mg KOH/g | +0.068–0.085 wt% | +0.01–0.03 wt% | Nto tu, tiv thaiv xeb; tsis muaj kev cuam tshuam, tsis muaj AO |
| Siab TBN Ca Salicylate (TBN 300) | 3.0 mgKOH/g | +0.034–0.041 wt% | ~ 0 wt% | AO (phenol{0}}OH), ntxuav qhov chaw; tsis muaj dispersancy |
| Borated PIBSI (TBN 30, B 1.0%) | 0.3 mgKOH/g | ~ 0 wt% paib | ~ 0 wt% | ★ ALSO: soot/sludge dispersancy + AO (B–O–N) + anti- hnav (BN zaj duab xis) - 4 ua haujlwm los ntawm ib qho molecule, xoom S / A, xoom S |
Txhais lus:Borated PIBSI tsis yog ib qho kev hloov rau cov hlau Ca detergents raws li TBN qhov chaw - ntawm 1 wt% kho nws qhov kev pab cuam TBN (0.3 mgKOH/g) yog qhov kev txiav txim siab qis dua Ca detergents. Nws tus nqi raws li TBN contributor yog supplemental: ntawm ib txwm dispersant kho tus nqi ntawm 4–8 wt%, borated PIBSI contributes 1.2–2.4 mgKOH/g rau cov roj tiav TBN - me me tab sis muaj txiaj ntsig. Qhov kev txiav txim siab kom zoo dua yog qhov no TBN ntxiv los ntawmtus nqi S/A, pes tsawg S tus nqi, pes tsawg P nqi, nrog rau peb lwm cov txiaj ntsig ua haujlwm - kev sib xyaw ua ke tsis muaj xim hlau ntxiv tuaj yeem muab tau.
| Parameter | Specification | Txoj Kev Xeem | Nco tseg |
|---|---|---|---|
| Qhov tshwm sim | Ntshiab xim av viscous kua | Pom kev | Feem ntau clearer dua tsaus-xim av tsis yog-borated PIBSI; cov borate ester linkages hloov lub polarity ntawm lub molecule, txo tus kheej - aggregation tendency; sov rau 40-60℃rau blending |
| Nitrogen ntsiab lus | 1.5 ~ 2.5 hli | ASTM D5291 / D3228 / ASTM D5291 / TS | Kev lees paub ntawm COA; N% txo qis me ntsis vs tus qauv PIBSI vim qee qhov pub dawb -NH₂ pawg davhlau ya nyob twg tau hloov mus rau B-N daim ntawv cog lus thaum lub sijhawm boronation |
| Cov ntsiab lus Boron ★ | 0.5 ~ 1.5 hli | ICP-OES | Thawj boron - tshwj xeeb COA parameter; B% cuam tshuam nrog TBN, AO, thiab tribological kev ua tau zoo; qhia lub hom phiaj B% ntawm kev txiav txim |
| TBN (ASTM D2896) ★ | 20-40 mgKOH/g | ASTM D 2896 Cov khoom siv | TBN los ntawm boron Lewis theem pib - tsis muaj Ca/Mg/Ba; pab txhawb TBN ntxiv rau cov roj tiav ntawm xoom S / A thiab xoom S tus nqi; ntawm 5 wt% kho → +1.0–2.0 mgKOH/g hauv cov roj tiav |
| Flash Point (COC) | Ntau dua lossis sib npaug li 180 degree | ASTM D 92 | Standard combustible kua; tsis yog DG |
| Kinematic Viscosity @ 100 degree | 100-300 hli | ASTM D 445 3 | qis kawg ntawm succinimide series; tswj kev pab ntawm 4-8 wt% kho; suav rau hauv cov roj viscosity qib suav nrog |
| Sulphated tshauv / S / P | ~ 0 / ~ 0 / 0 wt% | ASTM D874 / D2622 / D4047 / ASTM D874 / D2622 / D4047 / TS | Boron tsis tsim cov pa sulphated tshauv los ntawm ASTM D874; taug qab B₂O₃ volatile ntawm qhov ntsuas kub; txheeb xyuas hauv ultra-qis-ash ACEA C1/C5 specs yog tias xav tau |
| Ntim | 180 kg nruas · 900–1000 L IBC · Flexitank | - | Khaws 0-45 degree; khaws cia sib khi - pawg borated yog hygroscopic (cov dej noo tuaj yeem hydrolyse borate ester linkages, txo B% thiab TBN); 24-hli txee lub neej kaw |
Kev Ua Haujlwm Profile - Plaub Txoj Haujlwm ntawm Boron
① Dispersancy (Tau los ntawm PIBSI Core)
Lub nplhaib succinimide + polyamine saw architecture ntawm borated PIBSI khaws tib yam soot particle encapsulation thiab steric stabilization mechanism raws li tus qauv PIBSI - PIB tails thauj tog rau nkoj lub molecule nyob rau hauv cov roj theem thaum lub polar taub hau pawg (tam sim no ib feem hloov dua siab tshiab rau B-O thiab B-N daim ntawv cog lus raws li sorot) nyob rau hauv ib feem ntawm qhov chaw. polar oxidation los ntawm - khoom. Lub boronation tsis txo qis kev ua haujlwm tsis zoo - borate ester linkage nws tus kheej yog polar thiab pab txhawb ntxiv adsorption affinity ntawm B-OH pawg uas tseem tshuav ntawm borate ester. Dispersancy kev ua tau zoo tau lees paub hauv tus qauv ASTM Sequence VH sludge thiab blotter spot tests (ASTM D7843).
② TBN los ntawm Boron Lewis Basicity
B←N dative daim ntawv cog lus nyob rau hauv borated PIBSI tsim ib tug Lewis lub hauv paus chaw qhov twg lub boron atom, txais electron ceev los ntawm cov nitrogen, generates ib tug net yooj yim teb nyob rau hauv ASTM D2896 TBN ntsuas. Qhov no yog lub cev sib txawv ntawm lub cev los ntawm Ca²⁺/CaCO₃-raws li TBN: ntau dua li neutralizing muaj zog ntxhia acids los ntawm CaCO₃ dissolution, boron-nitrogen Lewis puag khub teb rau perchloric acid titrant hauv D2896 los ntawm kev sib koom ua ke chemistry. Cov txiaj ntsig tau zoo yog TBN 20–40 mgKOH/g - ntawm 5 wt% kho hauv cov roj tiav, pab txhawb +1.0–2.0 mgKOH/g rau tag nrho TBN - yam tsis tas siv nyiaj S/A, S, lossis P. Qhov no ntxiv TBN los ntawm borated dispersant tau ua tus qauv ntawm cov khoom noj khoom haus zoo tshaj plaws txij li xyoo 1990s meej vim tias nws muab "TBN dawb" hauv SAPS- txwv tsis pub cov qauv.
③ Antioxidant Activity ntawm B-O-N Radical Termination
Nyob rau hauv lub autoxidation saw cov tshuaj tiv thaiv ntawm lubricating puag roj nyob rau hauv thermal stress, peroxy radicals (ROO•) thiab alkoxy radicals (RO•) propagate oxidation saw. Kev sib txuas ntawm B-O-N hauv borated PIBSI tuaj yeem cuam tshuam cov radicals los ntawm ob lub tswv yim: (1) boron centre, ua Lewis acidic, tuaj yeem koom tes nrog thiab ua kom muaj txiaj ntsig zoo peroxy radical intermediates; (2) B-O daim ntawv cog lus nws tus kheej tuaj yeem ua lub cuab yeej radical ntawm B-O• nruab nrab uas txiav cov saw hlau yam tsis muaj kev nthuav tawm. Qhov no antioxidant mechanism yog synergistic nrog thawj antioxidants (DBPC, phenolic esters) thiab lwm yam antioxidants (alkyl diphenylamine, ZDDP): lub borated dispersant muab ib tug supplemental radical saw -txoj kev uas yuav txo tau lub nra ntawm lub thawj AO system, ncua sij hawm tom kawg lub depletion. Qhov no yog qhov laj thawj tseem ceeb vim li cas HDEO formulations nrog borated dispersants tsis tu ncua ua tau zoo sib npaug uas tsis yog -borated formulations hauv ASTM Sequence IIIGH thiab CEC L-101 oxidation stability bench tests.
④ Kev Tiv Thaiv - Hnav & Kev Sib Nqus Txo ntawm Ciam Teb BN Zaj Duab Xis
Nyob rau hauv ciam teb lubrication tej yam kev mob (siab load, tsawg ceev, hlau- mus rau-hlau asperity hu), borate ester pawg ntawm borated PIBSI adsorb mus rau ferrous hlau nto los ntawm lub Lewis acidic boron chaw koom tes nrog hlau oxide nto qhov chaw. Nyob rau hauv tribological kev nyuaj siab, cov adsorbed boron hom undergoes tribochemical transformation los ua ib tug boron -muaj iav ciam ciam zaj duab xis (B₂O₃- muaj amorphous txheej, tshuaj zoo ib yam nyob rau hauv kev tiv thaiv mechanism rau hexagonal BN h-BN txheej) uas txo cov hlau ncaj qha {{7}. Cov boron ciam teb zaj duab xis no tshwj xeeb tshaj yog thaum lub caij txias - pib mob, qhov twg cov roj zaj duab xis thickness yog txo thiab asperity contact probability yog siab tshaj - precisely tus mob qhov twg ZDDP tribofilm tsim yog tseem nquag nquag. Borated PIBSI tus ciam teb zaj duab xis mechanism yog ntxiv rau (tsis muaj kev sib tw nrog) ZDDP los tiv thaiv- coj kev txiav txim, thiab lawv cov kev sib xyaw ua ke hauv ASTM Sequence IVA thiab Sequence VH + valve tsheb ciav hlau kev xeem ua tau zoo dua li ib leeg.
Daim Ntawv Thov & Daim Ntawv Qhia Qhia
1. PCMO & HDEO - Pub dawb TBN + AO Boost hauv SAPS-Cov Qauv Tsis Txaus
Hauv ACEA C2 / C3 PCMO (S / A Tsawg dua lossis sib npaug li 0.8%, S Tsawg dua lossis sib npaug li 0.3%) thiab ACEA E9 HDEO (S / A Tsawg dua lossis sib npaug rau 1.0%), borated PIBSI yog siv los ua ib feem lossis tag nrho hloov pauv rau tsis yog -borated monotical- kev pabcuam ntxiv ntawm tus nqi ntxiv thaum lub sij hawm ntxiv PIB TBN (1–2 mgKOH/g) thiab kev ua AO ntawm xoom ntxiv S/A lossis S nqi. Rau cov formulators txwv los ntawm ACEA S/A qab nthab thiab xav tau ntau TBN headroom - piv txwv li, ib tug formulation twb nyob rau ntawm 0.75 wt% S/A los ntawm Ca detergents + ZDDP - hloov tus qauv PIBSI nrog borated PIBSI ntxiv mus rau 2 mgKOH/g ntawm cov kev txwv ntxiv.0/g SBA. Ib yam li ntawd, qhov borated PIBSI's AO kev pab txo qis tus nqi kho mob thawj zaug uas yuav tsum tau ua, ua kom zoo dua cov nqi tsim khoom.
2. Roj Cav Roj - Boron AO rau NOₓ Nitration Resistance
Nyob rau hauv cov roj av, biogas, thiab CNG cav roj qhov twg NOₓ tshuab{0}}los ntawm ua rau hnyav nitration ntawm lub hauv paus roj thiab tsim ntawm heev polar nitro- cov khoom nyob rau hauv lub crankcase, lub antioxidant muaj nuj nqi ntawm borated PIBSI muaj ib tug nqi: lub B-O-N radical termination mechanism intercepts tsis tau tsuas yog peroxy2} radicals nitrogen los ntawm thermal radicals. NOₓ tawm tsam ntawm lub hauv paus roj. Qhov no dual radical-kev ua haujlwm txiav tawm (ob leeg ROO• thiab NO₂•/N-centred radicals) ua rau borated PIBSI ib tug tshwj xeeb zoo AO ntxiv nyob rau hauv cov roj cav roj formulations - supplementing thawj Ca salicylate detergent's AO function (chelate nplhaib –OH) thiab aminic. Hauv cov roj cav roj ua haujlwm ntawm lean- hlawv CHP cov cav (MTU Hom 3, GE Jenbacher J-series) nrog rau lub sijhawm ntws ntawm 1,500-2,000 teev, borated PIBSI ntawm 4-6 wt% yog cov qauv txheej txheem ntawm cov khoom siv ntxiv.
3. Marine & Heavy Equipment - Supplemental TBN at Low S/A
Nyob rau hauv marine TPEO rau nruab nrab - ceev diesel xyaw ntawm VLSFO (BN 25–40 ntau), qhov twg S/A pob nyiaj yuav tsum tau ua tib zoo tswj nyob rau hauv lub TBN, S, thiab tshauv txwv ntawm ISO 8217 thiab OEM specifications (MAN B&W, Wärtsilä), borated PIBSI pab txhawb ntxiv TBN los ntawm Cabonion {4}. Nyob rau hauv kev tawm -kev loj diesel daim ntawv thov (cov cuab yeej tsim kho, tsheb laij teb ua liaj ua teb, cov tsheb thauj khoom mining) qhov twg API CK-4 lossis sib npaug yog qhov yuav tsum tau tab sis tag nrho cov tshauv tau saib xyuas rau DPF compatibility, borated PIBSI kev sib xyaw ua ke ntawm dispersancy + boron-TBN + AO muab tag nrho peb qhov kev xav tau ntxiv ntawm zero / SBA ntxiv tshuaj ntxuav tes kom ua tiav TBN lub hom phiaj - thiab tso nyiaj S/A rau ZDDP los tiv thaiv hnav ntawm ntau dua.
4. Fuel Additives - Diesel Dispersant Package & Biodiesel Stability
Borated PIBSI yog ib qho ntawm ob peb succinimide dispersant qib uas kuj siv rau hauvroj additive siv- cov ntaub ntawv siv tsis muaj rau tsis yog -borated PIBSI. Hauv cov pob khoom siv roj av dispersant (feem ntau kho ntawm 50-200 ppm hauv cov roj tiav), borated PIBSI's borate ester pawg muab kev ruaj ntseg ntxiv rau cov roj oxidation thiab tiv thaiv kev tsim cov polar deposits uas foul roj injector tswv yim. Nyob rau hauv biodiesel blends (B20–B100), qhov twg fatty acid methyl ester (FAME) puag yog tshwj xeeb tshaj yog prone rau oxidative polymerization thiab deposit tsim, lub antioxidant muaj nuj nqi ntawm borated PIBSI lub B-O-N chaw zov me nyuam muab lub ntsiab lus oxidative stability txhim kho nrog rau cov dispersancy muaj nuj nqi. Hauv cov pob khoom siv roj av, borated PIBSI ntawm 100-500 ppm kho muab cov khoom siv valve tso nyiaj (IVD) tswj ua ke nrog kev ua haujlwm antioxidant hauv GDI cov cav uas tau txais cov khoom siv valve yog qhov kev sib tw roj uas paub txog.
Additive Compatibility & Cov Lus Qhia
| Co-Ntxiv | Kev sib haum xeeb | Formulation Note |
|---|---|---|
| ZDDP (Primary + Secondary) | ★ Synergistic | Borated PIBSI thiab ZDDP yog kev sib koom ua ke hauv kev tiv thaiv- coj lub rooj zaum kuaj: boron ciam teb zaj duab xis (los ntawm borated PIBSI) + ZDDP tribofilm ua haujlwm ua ke, suav nrog cov txheej txheem sib txawv. Lub borated dispersant's anti- hnav yog feem ntau nyob rau hauv ciam lubrication (tsawg ceev, siab load, txias-pib); ZDDP yog nquag nquag hauv kev sib xyaw thiab elasto-hydrodynamic tswj. Ua ke, lawv muab kev tiv thaiv kev hnav dav dav thoob plaws tag nrho lub cav ua haujlwm ntau dua li ib leeg - tau lees paub hauv ASTM Sequence IVA cam/cov neeg taug qab coj mus kuaj. |
| Ca Sulfonate + Ca Salicylate | ● Zoo heev | Tag nrho compatibility. Borated PIBSI muab ntxiv TBN los ntawm boron uas ntxiv rau Ca detergent TBN yam tsis tau nce S/A. Peb qhov TBN (Ca sulfonate, Ca salicylate, borated PIBSI) yog additive hauv ASTM D2896 ntsuas. |
| DBPC + Aminic AO | ★ Synergistic | Lub borated PIBSI's B-O-N radical termination mechanism yog ib qho kev sib cais radical chain pathway los ntawm DBPC (phenolic, H- pub dawb) thiab aminic AO (N-centred radical). Peb lub tswv yim yog additive thiab synergistic - sib txuas tag nrho peb hauv ib pob AO ua tiav oxidation stability zoo dua li ob leeg ib leeg. Qhov no yog vim li cas borated PIBSI yog ib tug qauv nyob rau hauv cov nqi roj cav roj AO / dispersant pob nrog DBPC thiab alkyl diphenylamine. |
| Moisture / Dej | ⚠ Sensitive | CEEB TOOM: Borate ester linkages (B–O–C) yog susceptible hydrolysis nyob rau hauv lub xub ntiag ntawm noo noo - dej converts B–O–C rov qab mus rau B(OH)₃ + cawv, txo B% thiab TBN. Kev khaws cia yuav tsum nyob rau hauv cov ntim ntim kom deb ntawm cov dej noo. Nruas thiab IBCs yuav tsum nyob twj ywm kom txog thaum siv. Rau kev sib xyaw cov nroj tsuag hauv qhov chaw ntub dej, siv cov pam nitrogen thaum hloov mus. KFT (Karl Fischer) kev ntsuas dej yuav tsum tsawg dua lossis sib npaug li 0.10% ntawm cov khoom tau txais. Tsis txhob khaws cia rau hauv ib feem siv cov thawv qhib rau lub sijhawm ntev. |
Cov lus nug nquag
Q: Puas yog boron suav tias yog sulphated tshauv hauv ACEA thiab API specifications?
Nov yog cov lus nug tseem ceeb tshaj plaws rau borated PIBSI. Cov lus teb nyob ntawm qhov specification thiab cov qauv xeem: (1)ASTM D874 sulfated tshauvtshwj xeeb ntsuas cov tshauv los ntawm sulphation ntawm hlau oxides. Boron oxides (B₂O₃) tsim thaum lub sij hawm D874 ashing txheej txheem yog volatile ntawm lub cub tawg kub (775 degree) thiab evaporate loj heev - yog li borated dispersants pab cuam tsawg tshauv los ntawm ASTM D874. (2)UAS 2022txhais tau tias sulphated tshauv los ntawm ASTM D874, yog li borated PIBSI contributes negligible S/A los ntawm ACEA lub txhais. (3) Txawm li cas los xij, qee qhov OEM specifications (tshwj xeeb yog qee yam Toyota thiab VW roj kev lag luam specifications) suav nrog tag nrho cov kev ntsuas tsis muaj sia nyob uas tuaj yeem ntes boron - muaj cov nyiaj tso cia sib txawv. (4) Rau ultra- qis- cov ntsiab lus tshauv (ACEA C1 / C5: S / A Tsawg dua lossis sib npaug li 0.5%), tus tsim qauv yuav tsum ua qhov kev sim D874 ntawm cov qauv ua tiav uas muaj cov borated dispersant kom paub tseeb xoom- cov hmoov tshauv, es tsis yog cia siab rau qhov theoretical B₂Oat. Rau ACEA C2 / C3 (S / A Tsawg dua lossis sib npaug li 0.8%), borated PIBSI yog siv tau dawb yam tsis muaj kev txhawj xeeb ntawm cov tshauv hauv kev xyaum.
Q: Puas tuaj yeem Borated PIBSI hloov ib feem ntawm ZDDP hauv kev tsim los txo phosphorus?
Ib feem thiab ua tib zoo - borated PIBSI tsis yog ib qho kev hloov ZDDP ncaj qha vim tias lawv cov kev tiv thaiv -cov txheej txheem hnav ua haujlwm hauv cov txheej txheem sib txawv. Txawm li cas los xij, hauv ib qho qauv uas txo cov phosphorus (kom ua raws li ACEA C1/C2/C5: P Tsawg dua lossis sib npaug li 0.08%) tsim kev tiv thaiv - hnav tsis txaus, borated PIBSI tus ciam BN- hom zaj duab xis muab ntxiv los tiv thaiv - hnav ntawm qhov nrawm nrawm / siab sib tiv tauj DP 10 qhov chaw pib (cold DP) valve tribofilm tsim tseem tsis tau tiav. Kev sib xyaw ua ke ntawm kev txo ZDDP + borated PIBSI tuaj yeem ua tau raws li kev tiv thaiv kev tiv thaiv- coj mus kuaj (ASTM Sequence IVA, CEC L-51) uas yuav yog marginal nrog txo ZDDP ib leeg. Ib txoj hauv kev zoo: txo ZDDP los ntawm 1.0% mus rau 0.7% kho (txuag 0.03% P) thiab ib txhij hloov tsis yog -borated PIBSI nrog borated PIBSI (ntxiv boron anti- coj ciam zaj duab xis los them rau txo ZDDP AW thaum pib txias). Lub tswv yim no yuav tsum muaj kev kuaj xyuas lub cav ua ntej kev coj mus muag.
Q: Vim li cas kev tswj cov dej noo yog qhov tseem ceeb rau Borated PIBSI, thiab dab tsi yog lub txee - cuam tshuam rau lub neej?
Borate ester linkages (B–O–C bonds) are thermodynamically susceptible to hydrolysis: B–O–C + H₂O → B(OH)₃ + R–OH. The rate of hydrolysis depends on temperature, moisture level, and the molecular environment of the borate ester (cyclic borate esters are somewhat more resistant than linear esters). At ambient temperature with limited moisture exposure (sealed drums, normal storage), the hydrolysis rate is slow enough that the 24-month shelf life is commercially achievable with no significant loss of B% or TBN. However, prolonged exposure to atmospheric humidity (open drums, humid tropical storage, repeated partial use and resealing) can progressively reduce B% - with direct proportional reduction in TBN and AO activity. Practically: (1) verify B% and TBN on the COA at receipt; (2) if material has been stored for >12 lub hlis lossis muaj kev tsis ntseeg txog kev ya raws, rov kuaj B% los ntawm ICP-OES ua ntej siv; (3) siv cov pam vov nitrogen hauv ntau lub tso tsheb hlau luam kom tsis suav cov huab cua noo; (4) nyob rau hauv cov roj formulations tiav, lub borate ester yog stabilized los ntawm ib puag ncig cov roj matrix thiab seem -NH pab pawg - hydrolysis nyob rau hauv cov roj tiav yog qeeb qeeb dua nyob rau hauv cov additive zoo.
Technical & Regulatory References
D5291/D3228 (N%) · ICP{0}}OES (B% - ASTM D5185 hloov kho) · D2896 (TBN 20-40 los ntawm boron)· D874 (S/A ~ 0) · D2622 (S ~ 0) · D4047 (P=0) · D445 (viscosity) · D92 (FP Ntau tshaj los yog sib npaug rau 180 degree) · KFT (dej tsawg dua los yog sib npaug li 0.10%) · D7843 (blotter soot) · VAST (Mus disperse)ASTM Sequence IVA (cam wear - boron AW)· ASTM Sequence IIIGH (oxidation -} boron AO) · CEC L-51 (pob / iav tiv thaiv hnav)
ACEA 2022: A3/B4 · C2/C3 (free borated PIBSI use) · C1/C5 (verify boron ash by D874) · E6/E9 · API SP/SN+ · API CK-4/FA-4 · VW 504/507 · BMW LL-04 · MTU hom CH · (en. Marine TPEO ISO 8217 BN 25–40 ·Diesel roj dispersant (50-200 ppm)· Gasoline detergent (100–500 ppm IVD tswj)
REACH sau npe · TSCA cov ntawv teev npe · Tsis muaj SVHC · Boron: REACH SVHC boric acid (CAS 10043-35-3) Tsis siv rau borated polymers - boron yog covalently bonded nyob rau hauv borate ester daim ntawv · Zero S/A los ntawm ASTM D874 · Zero Compatible · FDS · Zero S
PIB Mono-Succinimide · PIB Bis-Succinimide · PIB Poly-Succinimide ·Borated PIBSI ✅ · Borated PIB Bis -Succinimide (tom ntej)· Boron-Phosphated PIB Bis-Succinimide · Low Viscosity Dispersant
Borated PIBSI · N 1.5–2.5% · B 0.5–1.5% · TBN 20–40 mgKOH/g · Zero S/A · 4-in-1: Dispersant + TBN + AO + Anti-Wear · COA / TDS / SDS
Thov Tus Nqi, TDS & Qauv Qauv
Qhia meej lub hom phiaj B% (0.5–1.5 wt%), TBN ntau (20–40 mgKOH/g), daim ntawv thov (PCMO SAPS- txwv tsis pub · HDEO ntev-drain · roj cav roj · marine TPEO · diesel/gasoline fuel additive), ntim, thiab qhov chaw nres nkoj. Tag Nrho COA (N%, B%, TBN, viscosity, flash point, S/A~0, S~0, P=0, dej tsawg dua lossis sib npaug li 0.10%), TDS, thiab SDS hauv 12 teev. Cov qauv tsim nyog (1-5 kg) muaj.
Ashless Dispersants:PIB ✅ · Ib ✅ · Poly ✅ · Borated PIBSI ✅ · Borated Bis -Succinimide (tom ntej)· Boron-Phosphated Bis-Succinimide · Tsawg Viscosity Dispersant
Cim npe nrov: borated pibsi, Tuam Tshoj borated pibsi manufacturers, lwm tus neeg
