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Aleke microporous structure design of breathable Teflon high-temperature tape ate ŋu ada asɔ le ya ƒe gege ɖe eme kple insulation kple non-stick nɔnɔmewo me?
Aleke microporous structure design of breathable Teflon high-temperature tape ate ŋu ada asɔ le ya ƒe gege ɖe eme kple nusiwo xea mɔ na ya kple nusiwo meléna o ƒe nɔnɔmewo me?
Views: 0 Author: Site Editor Ɣeyiɣi si Wotae: 2026-07-13 Dzɔtsoƒe: Teƒe
JiangsuTeflonHigh-TemperatureClothManufacturer–JiangsuAokaiNewMaterialTechnologyCo.,Ltd.ɖo ŋku edzi be esia nye veviedodonu le kadodo si le ʋuʋudedi ƒe xɔtuɖoɖo kple anyigba ƒe gogloƒe/nu gbogbowo ƒe dɔwɔwɔ ƒe nɔnɔmewo dome.
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Nusiwo wotsɔ xea mɔ na dzoxɔxɔ(dielectricstrength) . reliesonthematerial's density.Introducing microroporessequivalent to mixingir(withalow breakdownfieldstrengthof ~3kV/mm) into thePTFEmatrix,andopen pores naa mɔ siwo ate ŋu ana tsi si dona le akpa aɖe me eye woakplɔ azɔliwo ɖo.Afisi ʋuʋudedi lolo wu eye wòle tẽe to ʋuʋudediwo me la, zi nenemae ʋu ƒe gbagbã ƒe ʋuʋudedi le vevie wu.
Ya ƒe gege ɖe emevs.non-stickproperty: Nusiwo menye ati ƒe nɔnɔme o la dzɔna tso PTFE ƒe ŋusẽ si le anyigba dzi si bɔbɔ ŋutɔ (~18mN/m) kple anyigba si le gbadzaa gbɔ.Microporewo dzia anyigba ƒe ƒuƒuiƒe kple teƒe ŋutɔŋutɔ si woate ŋu aƒo ka na; etratethemicropores,wɔa'mechanicalinterlocking'si nana be woalé ɖe wo nɔewo ŋu.Eyata, ele be nuawo naɖo ya ƒe gege ɖe eme kple anyigba dzi tsitretsitsi ɖe tsidzadza kple gege ɖe eme ŋu le ɣeyiɣi ɖeka me.
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2.1Dziɖuɖu leAveragePoreDiameter(0.1–2μm) kpleNarrowPoreSizeMama Forinsulation: Ne ʋuʋudediwo ƒe lolome le sue wu elektrɔnik la fia mɔ faa si dzi gɔmedzedzewo lolona hena tsi si dona le wo me ƒe akpa aɖe la, ya ƒe dometsotsowo ƒe gbagbã gakpɔtɔ kplɔa Paschen ƒe se ɖo;gake, nugbagbevi suesuesue siwo le sue ŋutɔ (submicr onscale)ate ŋu ana breakdownvoltage nadzi ɖe edzi vevie.Numekukuwo ɖee fia be ne wosusu be le mama dedie nu la, woƒe agbɔsɔsɔme le mama dedie nu le 0.5μm te la, DC ƒe gbagbã ƒe ŋusẽ si le 50-μm-thickePTFEfilm la ate ŋu aɖo 40kV/mm dzi kokoko.
Le non-stickdɔwɔwɔ ta: Ne ʋuʋudedi ƒe lolome le sue wu gege ɖe eme ƒe lolome si le vevie si wokpɔ to molecule ƒe kɔsɔkɔsɔ ƒe keklẽŋusẽ ƒe dzoxɔxɔ alo dzoxɔxɔ ƒe ʋeʋẽ ƒe ʋeʋẽ si le hot-meltadhesives (le kpɔɖeŋu me, PE,PP) ƒe ʋeʋẽ me dzi la, ʋuʋudedi mate ŋu akɔ nugbagbevi suesuesueawo me o. Eya koe nye kadodowo edPTFEfibril le anyigba dzi, si wɔnɛ be teƒe sue aɖe si woate ŋu aƒo ka na le goawo me, ale be womekpɔa ŋusẽ ɖe nusiwo menye ati ƒe nɔnɔme o dzi.Zi geɖe la, anyigba ƒe ʋuʋudedi siwo le sue wu 0.5μm ate ŋu axe mɔ ɖe gege ɖe eme nu nyuie to atike siwo wotsɔa aŋe wɔe ƒe gege ɖe eme dzi.
2.2DziɖuɖuPorosityinaAƒe si le titina(50%–70%) .
Dɔwɔnuwo ƒe ʋuʋudedi(<30%)mate ŋu ana ya ƒe gege ɖe lãme na ame ŋutɔŋutɔ o;si kɔkɔ akpa(>80%) ɖea nu sesẽawo dzi kpɔtɔna fũ akpa,hea nusiwo gblẽa nu le xɔmenuwo ŋu kple mɔ̃wo ƒe nɔnɔmewo ƒe gbegblẽ vevie vɛ. Ataporosityaround60%,ate ŋu akpɔ ya ƒe gege ɖe eme(Gurleyvalue) dzi le 20–100s/100cc me, evɔ film si ƒe titrime nye0.13mm ate ŋu alé elektrikŋusẽ ƒe ŋusẽ si nye ≥2kV me ɖe asi, si ɖoa alesi wòawɔ ɖeka kple dzoxɔxɔ ƒe nutrenu ƒe nudidiwo gbɔ.
The'node-fibril'structureofePTFEinherently formshightortuosity(τ≈2.54).Ele be gaswo nato mɔ xaxɛwo dzi, si kekea ya ƒe gbagbãmɔa ɖe enu eye wòtea tsi si dona le eme ƒe wɔwɔme ɖe to nyuie. Tɔtɔ si lolo hã ɖea alesi tsi ƒe gege ɖe eme dzɔdzɔe dzi kpɔtɔna le ƒomedodo si le dzogoe ene me ƒe lolome dzi va ɖoa ame si gbɔdzɔ gbɔ, si ɖea mɔ be woazã ʋuʋudedi siwo lolo vie atsɔ aɖɔli nusiwo ŋu kakaɖedzi le le yaƒoƒo ƒe ŋusẽ ŋu.
2.4ConstructanAsymmetricGradientPoreStructure–Anyigba si le kpekpem,ProusEmeme Densesurfaceskinlayer(titrime1–5μm)
To dzoxɔxɔ ƒe ɣletigbalẽ, dzoxɔxɔ kɔkɔ ƒe ɣeyiɣi kpui aɖe ƒe tsɔtsɔ, alo nusi wotsɔ tsyɔ nu fluoropolymer si le sue ŋutɔ (le kpɔɖeŋu me, TeflonAF) dzi, nusiwo doa ka kple nusi le dɔ wɔm la xɔa anyigba si sɔ kple film si me wodea nu nu. Aboloawo ƒe akpa si me ʋuʋudedi le si gbɔ eme: Le ŋutigbalẽ ƒe ƒuƒoƒoa te la, nuawo gakpɔtɔ léa nugbagbevi suesuesue siwo do ƒome kple wo nɔewo ƒe kadodo si me ʋuʋudedi le ŋutɔ me ɖe asi.Ga ate ŋu akaka to axadzi kple didiƒe to nugbɔwo me alo to ʋuʋudedi susɔe siwo ƒe lolome le abe nano ene me le ŋutigbalẽa me, eye wòléa ya ƒe gege ɖe lãme na wo me ɖe asi wu.
Ŋusẽkpɔɖeamedzi: Insulation nye denselayer ɖua dzi, non-stick ƒe dɔwɔwɔ ka ɖe edzi to denselayer ƒe ŋusẽ si le anyigba dzi si bɔbɔ ŋutɔ kple ultra-finepores, eye ya ƒe gege ɖe eme nɔa te ɖe interlayer diffus dzi ionandedgeconvection.Ne wozãe le dzoxɔxɔ-nutrenumɔ̃wo me la, tape la ƒe anyigba meléna ɖe film si wotsɔ ƒoe ŋu o, evɔ woate ŋu atsɔ tsi kple dzoxɔxɔ ate ŋu aƒu gbe to nugbɔwo me le microporouslayer la me.
2.5AnyigbadziPost-Dɔdamɔnu:Super-Oleophobic/HydrophobicTɔtrɔManɔmeePoreBlockage To plasmagrafting off luorinatedmonomerorvapordeposition of anextremelythin(<50nm)perfluorinated layer,coating withthevenlowers surface energy canbe created the inner wallsofthemicropores.Esia gaxea mɔ na nusiwo léna ɖe nu ŋu ƒe tsɔtsɔ to nusiwo léna ɖe wo nɔewo ŋu me evɔ womexea mɔ̃awo o. Atikewɔwɔ sia naa anyigba ƒe goglome kple'micro/nanodual-phobicity,'doa non-stick ƒe nɔnɔme ɖe ŋgɔ wòzu anti-eiling,kple ya ƒe gege ɖe eme si mebu kloe o.
3.TypicalDɔwɔwɔ ƒe Dzesiwo naDzasɔ ƒe Aɖaŋuwɔwɔ
Takingan optimizally designed breathablePTFEtape(0.13mmthick)abe kpɔɖeŋu ɖeka:
Parameter (Parameter) ƒe nɔnɔmetata
Asixᴐxᴐ
Ya ƒe gege ɖe eme (Gurley) .
30–60 s/100 cc – ɖoa nudidiwo gbɔ na dzoxɔxɔ-nutrenu yaƒoƒo, vacuum lamination, kple bubuawo.
Ʋuʋudedi ƒe ʋuʋudedi
≥3 kV (DC) – esɔ na ʋuʋudedi si le bɔbɔe va ɖo titina ƒe ʋuʋudedi ƒe vovototodedeameme
Anyigba dzi non-stick peel ŋusẽ (tsi tre ɖe acrylic adhesive, EVA dzoxɔxɔ-melt adhesive)
<0.1 N/cm – nusiwo susɔ aɖeke mele dzoxɔxɔ gã zazã ɣeyiɣi didi megbe o
Dzoxɔxɔ ƒe tsitretsitsi
Zãzã atraɖii tso -70°C va ɖo 260°C
4.Nyataƒoƒo
Teflon ƒe dzoxɔxɔ gã ƒe nɔnɔmetata ƒe dadasɔ le yaƒoƒo me le vevie ŋutɔ to nɔnɔmeŋutinunya me ,ema nɔnɔme etɔ̃awo ɖe xɔtuɖoɖo ƒe dzidzenu vovovowo me:
Ya ƒe gege ɖe lãme na ame toa ememe kadodo, tortuousmacroporousnetwork. Zi alesi wokpɔa anyigba ƒe ʋuʋudedi ƒe lolome dzi le submicronrange la, ememe ʋuʋudedi kple ʋuʋudedi ƒo ƒu kple gradient structure pɛpɛpɛ la, tape la ate ŋu akpɔ ya ƒe gege ɖe eme, insulation, kple non-stick ƒe dɔwɔwɔ nyuie le ɣeyiɣi ɖeka me le nɔnɔme vovovowo me.
