Tsev -

MTHPA Hluav taws xob rwb thaiv tsev cov ntaub ntawv

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.