Aw di maykroporous strɔkchɔ dizayn fɔ breathable Teflon ay-tɛmpracha tep go balans di ay permiabiliti wit insuleshɔn ɛn nɔ-stik prɔpati dɛn?

JiangsuTeflonHigh-TemperatureClothManufacturer–JiangsuAokaiNewMaterialTechnologyCo.,Ltd. de mɛmba se dis na impɔtant tin fɔ sinajɛ bitwin porɔs strɔkchɔ ɛn sɔfa/bɔlkfɔnshɔnal prɔpati.

1.Sכs fכ diKכnfliktB כt MaykroporousStrכkchכ εn Prכpati dεm Eya pכrmiabiliti nid inta kכnekt dכpenpor dεm, wit gas we de pas tru tכrtuכs chεnal dεm.Di pεrmiabiliti rεt na prכpכshכnal to di skwea כf di poridכs εn di porכsiti, εn difrεn prכpכshכnal to di tכrtuositi כf di porchεnal dεm.

Insuleshɔn(diɛlektrik trɛnk) . di mεtirial in dεnsiti.Introdyus maykropכreshכn ikwal to miks εya(wit lכw brek dכwn fil strכng we ~3kV/mm) insay di PTFEmatris, εndopεnpor dεm de gi pכtεnshal rod fכ patchכl dischaj εn krεpεj trak.Di hכy di porositi εn di strεt di tru-por dεm, di mכr signifyant di dropin brek dכwnvכltεj.

Airpermeabilityvs.nɔ-stikprɔpati: . di prכpati we nכ de stik kכmכt frכm PTFE in εkstrimכl lכw sכfa enεji(~18mN/m) εn smol sכfa.Maykropor dεm de inkrεs di sכfa rכf εn di aktual kכntaktεria;mכlt mεtirial כ viskכs midia kin pen etratethemicropores,fכm'mεkanikal intalכk'dat de mek i de mek dεn de adheshon.Dεn fכ dat, di mεtirial fכ rich di εya pεrmiabiliti εn sכfayz rεsistεns fכ wet εn pεnεtreshכn.

2.KorAprɔchtoBalansDizayn:SinajistikMɔdyuleshɔn ɔfMɛsoskɔpikStrɔkchɔralParamita Di ki fɔ balans nɔto fɔ sakrifays wan prɔpati fɔ ɔda wan, bɔt ɔda kɔdinɛt fɔ tyuning poresayz, porositi, poregradient,tortuosity, ɛn sɔfays tritmɛnt fɔ satisfay ɔl tri rikwaymɛnt dɛn wan tɛm.

2.1KɔntroldiAvɛrejPɔrDayamita(0.1–2μm)ɛnNarɔPɔrSayzDistribyushɔn Fɔinsuleshɔn: We di poresayz we smɔl pas di ilɛktron min fri pat ɛn di initiashɔn dɛn saiz fɔ pat pan dischaj, di brekdɔwn na di ay gap stil de fala Paschen in lɔ;bɔt, ekstrim fayn maykropɔr dɛn(sabmikr onscale)kin signifikantli inkrεs di brek dכwn vכltεj.Studi dεm sho se we di avεrej porediamεtri dεn skεpt dכn 0.5μm, di DCbrεk dכwn strכng we 50-μm-tik PTFEfilm kin stil rich oba 40kV/mm.

Fɔ nɔ-stikpɔfɔmɛnshɔn: . We di poresayz smɔl pas di kritikal penetreshɔn saizwe di mɔlikul chen rɛdyus ɔf gayreshɔn ɔ di mɛltviskɔsiti ɔf ɔt-mɛltadhesives(ɛgz., PE, PP), di mɛlt kin nɔ filta di maykropɔr dɛn.Itonly kɔntakt dɛn edPTFEfibrilson di surface, we de rizultainextremelysmallactualcontactarea, sothenon-stickpropertyremainsunaffected.Jɛnɛral wan, di surfaceporess we smɔl pas 0.5μm kin ifektivliprivent penetration by mostthot-meltadhesives.

2.2KɔntrolPorosityinaMɔdarɛtRɛnj(50%–70%) .

Tulɔporositi(<30%) nɔ kin gi prɛktikal ɛyapermiabiliti;tu ay(>80%) de ridyus di sɔlid kɔntinyu pasmak, we kin mek i shap shap ditirieshɔn insay insuleshɔn ɛn mɛkanikal prɔpati. Ataporosityaround60%,di airpermeability(Gurleyvalue) kin bi kontrכlwithin20–100s/100cc, wail wan film0.13mmthick kin mentεn didielektrik strכngthf≥2kV, mit mכst di at-silinginsululation rikwaymεnt dεm.

 2.3AdoptaHigh-Tortuosity3DNetworkPoreStructure(dɛn yuz am bay JiangsuTeflonHay-TɛmpraturaKlɔtManufacturer)

di'node-fibril'struktכrכfPTFEinhεrentli fכm shayt כtuositi(τ≈2.54).Gεs dεm fכ pas tru tכrtuכs pat dεm, we de εkstεnd di εya brek dכwn path εn ifektivli sכpres di fכmeshכn כf strεt-thru dischaj chεnal dεm. di hכy tכrtuositialכs de ridyus di dipεndεns fכ fayn pεrmiabiliti pan poresayzfrכm skwea rileshכn to wik kכn, alaw fכ yuz sכm big pores dεm fכ εkschεnj fכ di insulεshכn rilaybiliti.

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Tru hitkalɛnda, shɔt tɛm ay-tɛmpracha inta, ɔ kɔt wit ɔltra-tinfluoropɔlimɛr(ɛgz., TeflonAF), di kɔntakt sɔfa wit di wokin ɔbjɛkt kin gɛt sɔfa we fiba adɛns fim.Maykropɔr dɛn kin lɔk dɔŋ to di nanomita skel ɔ pat pan am we dɛn kin mɛlt ɛn sial, we kin mek dɛn nɔ stik pefɔmɛns ɛn dɛn kin mek dɛn ebul fɔ insuleshɔn. di bכl kכlεt dεm we gεt hכy porous breathable layεr: Bεnεt di skin layεr, di mεtirial stil de mεnten hεli porous nεtwכk כf inta kכnekt maykropכr dεm.Gaskan de transmit lateral εn lכngitudinally tru di ed dεm tru rεsidyual nano-sayz pores in di skin, mεnten ova כva di εya pεrmiabiliti.

Ifɛkt: Insulationis dominated by the denselayer, non-stickperformanceisensured by di denselayer’s ekstrimli lכw sכfayz enεjεndכltra-fayn pכr, εn di εya pεrmiabiliti de rεli pan intalayεr difכs ionandedgeconvection.We yu de yuz am pan hεt-siling mashin, di tep sכfayz nכ de stik to di molten film, we mכsichכ εn vכlatil kin dכn kכl am tru di edj dεm na di maykroporouslayεr.

2.5SכfεsPost-Tritmεnt:Supa-Oleophobic/HydrophobicModificationWithoutPoreBlockage Bayplasmagraftin ɔf fluorinated monomɛr ɔvaprɔdipɔzishɔn ɔf wan ekstrimlitin(<50nm)perfluorinated layεr, akɔtin wit divεn lכw sכfayz εnεji kin fכm dכn di insay wכl sכft hεmikrכpכr dεm.Dis fכ prεvεnt fכ fכt bay stika sכbstans we nכ kכlכg di porchεnal dεm. Dis tritmεnt de dכn di sכfa wit'maykro/nanodual-fכbisiti,'pgrεd di nכn-stikprכpati to anti-soiling, wit kכlכsכl nכlכsεn εya pεrmiabiliti.

3.TipikPɔfɔmɛnshɔnIndikɛtɔ fɔBalansDizayn

Tek wan optimallydesignedbreathablePTFEtape(0.13mmthick)wan ɛgzampul:

4.Kɔnklushɔn

Di balans fכ di maykroporous strכkchכ inbreathableTεflכn hεy-tεmprachכ tεp na sεnsentially achiv tru mכfכlכjik εnjinia ,distribyut di tri prכpati dεm kכros difrεnt strכkchכral lεvεl dεm:

Insuleshɔn ɛn nɔ-stik pefɔmɛns de provayd bay di nia-sɔfadɛns skin ɔ ɔltra-fayn maykropɔr dɛm;

Airpermeability ishandledbytheinternallyconnected, tortuous makroporousnetwok. As alongas di surface poresize de kontrכl in di sabmaykronrenj, di intanal porositi en tortuosityar prεsisli kכmbayn wit di gradient strכkchכ, di tεp kin simultaneously achiv gud di airpermiability, insulεshכn, εn nכn-stik pεrformεns kכros wεyd rεnj כf spεsifi kεshכn.

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