MTHPA Technical Data Package for Hluav taws xob rwb thaiv tsev
Methyl Tetrahydrophthalic Anhydride rau siab -voltage casting, potting, encapsulation thiab composite rwb thaiv tsev Cheebtsam
|
Hom ntaub ntawv |
Cov ntaub ntawv txheej txheem rau epoxy-anhydride hluav taws xob rwb thaiv tsev tshuab |
|
Daim phiaj siv |
Transformers, ntsuas transformers, bushings, insulators, switchgear, busbars thiab fais fab modules |
|
Khoom siv System |
Bisphenol{0}}A epoxy resin / MTHPA / accelerator / functional fillers |
|
Hnub tim |
2026-05-11 |
Cov lus ceeb toom tseem ceeb: Cov formulations yog engineering references thiab tsis hloov ntau lawm validation, kev soj ntsuam xyuas, txheej txheem tsim nyog, los yog zaum kawg hom kev xeem los ntawm tus neeg muas zaub.
1. Cov ntsiab lus tseem ceeb
MTHPA (Methyl Tetrahydrophthalic Anhydride) yog cov kua cyclic anhydride curing tus neeg saib xyuas dav siv hauv epoxy systems rau hluav taws xob rwb thaiv tsev. Piv nrog rau ntau yam amine-kho tshuab, epoxy-anhydride systems feem ntau muab qis exotherm, lub lauj kaub ntev dua, qis shrinkage, muaj zog dielectric kev ua tau zoo, thermal stability thiab zoo mechanical zog. Cov yam ntxwv no ua rau MTHPA haum rau lub tshuab nqus tsev, tsis siv neeg siab gelation (APG), potting, impregnation thiab cov khoom siv hluav taws xob sib xyaw rau nruab nrab - thiab siab - cov khoom siv hluav taws xob.
Cov pob no tsom rau kev siv hluav taws xob engineering es tsis yog cov khoom siv hluav taws xob siv dav dav: cov khoom siv hluav taws xob, siab -voltage rwb thaiv tsev, kev xa tawm thiab kev xa tawm, txuas ntxiv dua - hluav taws xob daim phiaj sib txuas, hluav taws xob hluav taws xob thiab kev tsheb nqaj hlau- cov khoom siv hluav taws xob.
2. Daim ntawv thov hluav taws xob Scope thiab cov khoom lag luam
|
Kev thov qeb |
Yam khoom |
Lub luag haujlwm ntawm MTHPA-raws li Epoxy |
Cov khoom tseem ceeb Validation |
|
High -voltage cast rwb thaiv tsev |
Tam sim no transformers, voltage transformers, bushings, txhawb insulators, nplhaib -main-unit rwb thaiv tsev qhov chaw |
Curing, rwb thaiv tsev, thermal kuj thiab txhua yam kev txhawb nqa |
Dielectric lub zog, ib feem tawm, ntim resistivity, Tg, flexural zog, thermal cycling |
|
Qhuav- hom transformers thiab coil casting |
Qhuav-hom transformer coils, kawg rwb thaiv tsev, coil encapsulation |
Flowability, txo shrinkage thiab txo qis hauv kev ntxhov siab |
Gel lub sij hawm, exotherm, tawg tsis kam, thermal laus, tiv taus voltage |
|
Switchgear thiab busbar systems |
Embedded ncej, busbar rwb thaiv tsev, switchgear barriers |
Rwb thaiv tsev, kev txhawb nqa, arc tsis kam thiab ya raws |
CTI, arc kuj, creepage, nplaim tsis kam, dej nqus |
|
Fais fab-electronics potting |
IGBT/SiC modules, EV- charger power modules, inverter, fais fab mov transformers |
Kev tiv thaiv potting, thermal rwb thaiv tsev, kev vibration thiab noo noo kuj |
Thermal conductivity, dielectric poob, thermal cycling, adhesion |
|
Motors thiab rail transit |
Traction motor rwb thaiv tsev, ruaj rwb thaiv tsev qhov chaw, sensor encapsulation |
Txhim khu kev rwb thaiv tsev thiab tiv thaiv - kev tiv thaiv kev co |
Chav kawm kub, mechanical shock, damp heat, ntsev -spray resistance |
3. Cov khoom zoo rau hluav taws xob rwb thaiv tsev
- Tsawg viscosity: haum rau siab - puv tshuab, nqus tsev degassing, complex pwm filling thiab loj- ntim casting.
- Lub neej ntev lauj kaub: pab tau rau APG, casting thiab impregnation txheej txheem tswj.
- Tsawg shrinkage thiab tswj exotherm: pab txo cov kev ntxhov siab sab hauv, tawg thiab void tsim nyob rau hauv tuab - ntu ntu.
- Cov khoom siv hluav taws xob zoo heev: tsim nyog rau kev ntim siab, tsis muaj dielectric poob thiab siab dielectric zog yuav tsum tau.
- Zoo thermal thiab mechanical kev ua tau zoo: txhawb qhov seem stability, mechanical zog thiab thermal aging kuj.
- Zoo compatibility nrog inorganic fillers: silica, alumina, txhuas hydroxide, magnesium oxide thiab lwm yam fillers yuav siv tau los txhim kho qhov ntev stability, thermal conductivity los yog nplaim taws.
4. Formulation Design Logic
Ib qho nyuaj epoxy-anhydride formulation yuav tsum tsis txhob cia siab rau qhov kev siv tshuaj "80-95 phr" nkaus xwb. Lub formulation yuav tsum tau xam los ntawm epoxy sib npaug qhov hnyav (EEW), anhydride sib npaug qhov hnyav (AHEW), lub hom phiaj sib npaug piv thiab qib accelerator.
|
Parameter |
Txhais |
Engineering Lub ntsiab lus |
|
EEW |
Epoxy sib npaug Nyhav, g / eq |
Loj ntawm resin muaj ib qho sib npaug ntawm epoxy pawg. Hom kua DGEBA epoxy resin yog nyob ib ncig ntawm 185-192 g / eq. |
|
AW |
Anhydride sib npaug hnyav, g / eq |
Loj ntawm anhydride muaj ib qho sib npaug reactive. Rau MTHPA, siv tus xa khoom COA / TDS lossis xam los ntawm tus nqi kua qaub. |
|
r |
Anhydride / epoxy sib npaug piv |
Rau hluav taws xob casting, 0.85-1.05 yog ib qho kev loj hlob ntau yam thiab yuav tsum tau optimized los ntawm Tg, dielectric, mechanical thiab exotherm validation. |
|
phr |
Yam ib puas resin |
Cov khoom ntxiv rau 100 qhov chaw epoxy resin. |
Kev suav: MTHPA ntau npaum li cas (phr)=100 × AHEW / EEW × r. Piv txwv li: yog EEW=190 g/eq, MTHPA AHEW kwv yees ntawm 166 g/eq thiab r=0.95, MTHPA ≈ 100 × 166 / 190 × 0.95=83 phr. Yog tias r=1.00, qhov ntau npaum li cas yog li 87 phr. Cov koob tshuaj tiag tiag yuav tsum raug kho siv qhov tseeb COA qhov tseem ceeb.
Accelerators xws li DMP-30, BDMA, imidazoles thiab quaternary ammonium/phosphonium ntsev yuav siv tau. Rau qhov loj hluav taws xob castings, latency, gel lub sij hawm, exotherm ncov, lub neej lub lauj kaub thiab ib feem-tso tawm tsis xws luag yog ib qho tseem ceeb tshaj qhov tsuas yog ua kom tiav kev kho sai.
5. Pom zoo Engineering Formulation Systems
|
Code |
Daim ntawv thov |
Epoxy cob |
MTHPA |
Accelerator |
Filler |
Cov lus pom |
|
F-01 |
General HV casting / ntsuas transformers |
DGEBA EEW 185-192: 100 phr |
82-90 hnub; kho los ntawm EEW/AHEW |
DMP-30 0.2-0.6 phr los yog BDMA 0.3-0.8 phr |
Silica 250-350 phr |
Sib npaug ntws, lub zog thiab kev ua haujlwm dielectric; haum raws li lub hauv paus. |
|
F-02 |
APG embedded ncej / bushings |
DGEBA 100 phr; reactive diluent Tsawg dua los yog sib npaug li 5 phr yog xav tau |
82-88 : kuv |
Latent imidazole los yog quaternary ntsev 0.05-0.30 phr |
Silica 300-450 phr |
Yuav tsum tau ceev gelation thiab tsis xws luag; phim pwm kub thiab siab. |
|
F-03 |
Qhuav- hom transformer coil casting |
DGEBA 100 phr + toughener 5-12 phr |
80-88 : kuv |
BDMA 0.2-0.6 phr los yog DMP-30 0.1-0.4 phr |
Silica / alumina 250-400 phr |
Tsom ntsoov rau exotherm, kev ntxhov siab sab hauv, tawg thiab nqus impregnation. |
|
F-04 |
Thermally conductive insulating potting / hwj chim electronics |
DGEBA 100 phr; reactive diluent 3-8 phr yog xav tau |
80-90 dr hab |
Imidazole / BDMA 0.1-0.5 phr |
Alumina 300-600 phr los yog Al2O3+BN sib tov |
Sib npaug thermal conductivity, rwb thaiv tsev, viscosity thiab tiv thaiv -tawm. |
|
F-05 |
Nplaim taws- rwb thaiv tsev tsis zoo / switchgear |
DGEBA 100 phr |
82-90 : kuv |
DMP-30 0.2-0.5 phr |
Silica 200-300 phr + ATH 100-250 phr |
Kev ntsuas nplaim taws yuav tsum raug kuaj; saib xyuas dej nqus thiab dielectric poob. |
|
F-06 |
Thermal-cycling-cov rwb thaiv tsev tiv thaiv |
DGEBA 100 phr + CTBN/core-plhaub toughener 3-10 phr |
80-88 : kuv |
BDMA 0.2-0.6 phr |
Silica 250-350 phr |
Rau thermal cycling lossis vibration; toughness yuav txo Tg. |
Daim ntawv ceeb toom: cov no yog cov ntsiab lus pib engineering, tsis yog cov qauv tsim khoom kawg. MTHPA ntau npaum li cas, accelerator hom thiab muab tub lim yuav tsum tau ua kom zoo raws li lub hom phiaj Tg, ib feem tawm, dielectric poob, gel lub sij hawm, exotherm ncov, viscosity profile, cia stability thiab cov pwm geometry.
6. Cov txheej txheem pom zoo qhov rai
|
Txheej txheem txheej txheem |
Tswv yim Parameters |
Tswj Cov Ntsiab Lus |
|
Raw-cov ntaub ntawv preheating |
Epoxy 50-70 degree; MTHPA 40-60 degree; fillers qhuav ntawm 80-120 degree |
Txo cov viscosity thiab noo noo los tiv thaiv npuas, ntxuav hniav dawb thiab ib nrab - paug tsis xws luag. |
|
Sib tov |
Nqus los yog qis- shear mixing; zam huab cua nkag |
Ntxiv cov fillers hauv batch; tswj kub nce thiab viscosity. |
|
Degassing |
Kwv yees li . -0.095 MPa lub tshuab nqus tsev rau 20-60 min nyob ntawm viscosity |
Tsis txhob haus dej ntau dhau; tuab -section castings yuav tsum tau degassing txaus. |
|
Casting/APG |
Pwm 80-140 degree; siab thiab pwm kub yuav tsum tau txuas rau hauv APG |
Flow pem hauv ntej, gel point thiab venting tsim txiav txim siab theem. |
|
Tshaj tawm - kho |
80℃× 2h + 120℃× 4h + 140-150℃× 4-8h; optimize los ntawm Tg |
Kev kub ceev heev yuav ua rau muaj kev ntxhov siab thiab tawg. Siv cov kauj ruam cua sov rau qhov loj. |
|
Txias |
Lub qhov cub qeeb qis qis dua 60℃ua ntej demolding |
Txo thermal shock thiab tawg. |
7. Cov khoom xeem tseem ceeb thiab cov phiaj xwm pom zoo
|
Qeb |
Cov kev ntsuam xyuas pom zoo |
Hom Lub Hom Phiaj / Ua kom pom tseeb |
|
Cov khoom hluav taws xob |
Dielectric zog, ntim resistivity, dielectric tas li, dielectric poob, arc kuj, CTI, ib nrab paug |
HV rwb thaiv tsev qhov yuav tsum tau PD thiab tiv taus - qhov ntsuas hluav taws xob; hluav taws xob hluav taws xob yuav tsum tsis muaj dielectric poob ntawm qhov kub thiab txias. |
|
Thermal khoom |
Tg los ntawm DSC / DMA, tshav kub deflection, thermal conductivity, thermal aging |
Tg yuav tsum ntev tshaj -lub sij hawm ua hauj lwm kub nrog ib tug kev nyab xeeb margin. |
|
Mechanical zog |
Flexural zog, tensile zog, cuam tshuam lub zog, tawg toughness, hardness |
Siab - cov tshuab ua kom muaj zog tuaj yeem muaj zog tab sis qis dua toughness. |
|
Txheej txheem khoom |
Viscosity-kub nkhaus, gel lub sij hawm, exotherm ncov, lub neej lauj kaub, tiv thaiv-tawm |
Txiav txim siab kev tsim khoom ruaj khov thiab qib tsis raug. |
|
Ib puag ncig kev ntseeg tau |
Thermal cycling, damp cua sov, ntsev tsuag, dej nqus, tshuaj tiv thaiv |
Qhov tseem ceeb rau sab nraum zoov, tsheb ciav hlau, rov ua dua - zog thiab EV daim ntawv thov. |
8. Hom kev ua tsis tiav thiab kev tiv thaiv
|
Hom kev ua tsis tiav |
Tej Yam Ua Tau |
Kev tiv thaiv |
|
Kev tawg |
High exotherm, ceev txias, tsis zoo muab tub lim, siab shrinkage |
Txo accelerator; nce muab tub lim; siv cov kauj ruam kho; ntxiv toughener. |
|
Siab ib nrab tso tawm |
Npuas, microcracks, noo noo, interface tsis xws luag |
Cov ntaub ntawv qhuav; nqus degas; optimize qhov rooj / qhov cua tsim; siv silane-kho cov fillers. |
|
Low Tg |
Tsawg anhydride piv, kho tsis tiav, tsis haum accelerator |
xam los ntawm EEW/AHEW; nce ncej- kho; kho accelerator. |
|
viscosity ntau dhau |
High muab tub lim loading, tsis zoo particle packing, tsis tshua muaj kub, resin aging |
Optimize muab tub lim; nce preheat kub; siv tsawg-viscosity resin/reactive diluent. |
|
High dielectric poob |
Moisture, ionic impurities, filler contamination, kho tsis tiav |
Tswj noo noo / acid tus nqi / ions; siv siab -purity fillers; txhim kho ncej- kho. |
9. Kev Tswj Xyuas Kev Tswj Xyuas Zoo thiab cov khoom xa tuaj
|
Raw Khoom |
Qhov taw qhia tseem ceeb |
Yog vim li cas rau kev tswj |
|
MTHPA |
Cov tsos mob, xim, acid tus nqi / AHEW, viscosity, dej, dawb acid, purity / isomer stability |
Muaj feem xyuam rau ntau npaum li cas, kho tus nqi, dielectric kev ua tau zoo, xim thiab cia ruaj khov. |
|
Epoxy cob |
EEW, viscosity, hydrolyzable chlorine, inorganic chlorine, xim, dej |
Muaj feem cuam tshuam rau kev ua haujlwm hluav taws xob, sib npaug sib npaug thiab kev cia siab ntev ntev -. |
|
Accelerator |
Assay, kev ua ub no, dej, cia ruaj khov |
Muaj feem xyuam rau lub sijhawm gel, exotherm thiab lub neej lub lauj kaub. |
|
Filler |
Particle-loj faib, whiteness, noo noo, ionic impurities, kho deg |
Muaj feem xyuam rau viscosity, kev daws teeb meem, dielectric zog, ib feem tawm thiab mechanics. |
10. Ntim, Cia thiab Kev Nyab Xeeb
MTHPA yuav tsum tau muab khaws cia rau hauv cov thawv ntim khoom kom tsis txhob muaj dej nkag. Cov dej noo tuaj yeem cuam tshuam rau lub nplhaib anhydride qhib, kho cov tshuaj tiv thaiv thiab kev ua haujlwm dielectric.
Khaws rau hauv qhov chaw txias, qhuav thiab qhov cua kom deb ntawm cov hauv paus muaj zog, oxidizers thiab dej.
Hnav looj tsom iav dub, tshuaj- hnab looj tes tiv thaiv thiab tiv thaiv khaub ncaws. Tsis txhob kov daim tawv nqaij thiab nqus pa.
Hluav taws xob- qib cov neeg siv khoom yuav tsum xav tau batch traceability, COA, TDS, SDS, hloov kev ceeb toom (PCN/4M) thiab cov qauv khaws cia.
11. Pom zoo rau cov neeg siv khoom validation Workflow
|
Theem |
Lub hom phiaj |
Cov zis |
|
Lab kev tshuaj ntsuam |
Xaiv qhov sib npaug piv, accelerator thiab muab tub lim |
Viscosity, gel lub sij hawm, Tg, thawj dielectric thiab mechanical cov ntaub ntawv. |
|
Pilot txheej txheem |
validate lub tshuab nqus tsev casting / APG / potting txheej txheem qhov rais |
Degassing, casting defects, exotherm, kho profile thiab seem tsom xam. |
|
Khoom validation |
Siv tau nyob rau hauv pwm tiag tiag thiab cov qauv hluav taws xob |
Kev tso tawm ib nrab, tiv taus qhov hluav taws xob, thermal cycling, damp cua sov, kev laus thiab qhov ruaj khov. |
|
Kev taw qhia txog kev tsim khoom |
Tsim batch stability thiab QC cov qauv |
SOP, QC tuaj, cov txheej txheem tsis ua haujlwm thiab tsis ua haujlwm- ntsuas lub voj. |
12. Cov ntaub ntawv
1. Broadview Technologies, Methyltetrahydrophthalic Anhydride daim ntawv qhia: MTHPA yog piav raws li epoxy resin curing tus neeg sawv cev rau casting, potting, impregnation thiab lamination nrog tsawg noo noo uptake thiab ruaj khov qis -viscosity sib tov.
2. Dixie Chemical / TRI ISO, Formulation Guide - Anhydride Curatives rau Epoxy Systems: anhydride curatives yog siv nyob rau hauv siab -voltage hluav taws xob daim ntawv thov thiab encapsulation ntawm hluav taws xob Cheebtsam thiab circuits.
3. Li et al., Molecules, 2023, "Curing Regime-Modulating Insulation Performance of Anhydride-Cured Epoxy Resin: A Review": tham txog anhydride-kho bisphenol-A epoxy insulation systems thiab DMP-30 a
4. Han li al., Polymer Degradation thiab Stability, 2022: MTHPA tau sau tseg tias yog ib qho tshuaj anhydride curing tus neeg sawv cev uas tsis muaj viscosity, lub neej ntev lauj kaub thiab zoo hluav taws xob rwb thaiv tsev rau cov khoom siv hluav taws xob loj xws li transformers thiab hluav taws xob insulators.
5. Cov ntaub ntawv patent ntawm epoxy resin compositions rau hluav taws xob rwb thaiv tsev hais txog cov kua epoxy resin, cyclic anhydride hardener, hluav taws xob insulating fillers thiab amine catalysts rau siab - cov khoom siv hluav taws xob kub.
