JiangsuTeflon Onye nrụpụta akwa dị elu-JiangsuAokaiNewMaterialTechnologyCo.,Ltd.chetara na nke a na-eme ka mkpata mmekọrịta dị n'etiti ihe owuwu na mbara ihu / nnukwu akụrụngwa na-arụ ọrụ.
1.SourcesoftheEmegide N'etiti Microporous Structure na Njirimara Airpermeability chọrọ njikọ ọnụ oghere oghere, na gas na-agafe na ọwa ụzọ.
Ihe mkpuchi (ike dielectric) reliesonthematerial'sdensity.Iwebata microporesise dabara adabara ngwakọ (nke nwere obere ndakpọ ala ike nke ~ 3kV/mm) n'ime PTFEmatrix, na mwepu na-enye ụzọ nwere ike maka ịpụpụ akụkụ na creepage tracking.The Higher the Porosity and the straightertherthem,throughthroughthrough-down-influences
Airpermeabilityvs.enweghị ihe onwunwe: Ngwongwo na-adịghị mma sitere na PTFE dị oke ala elu elu (~ 18mN / m) na ihu dị larịị. etratethemicropores, na-akpụ 'mechanicalinterlocking' nke na-akpata sadhesion. Ya mere, ihe a na-eme n'otu oge na-enweta ike ịrụ ọrụ na nkwụsi ike na mmiri na ntinye.
2.CoreApproachtoBalancedDesign:SynergisticModulation of MesoscopicStructuralParameters Thekeytobalance adịghị achụ àjà otu ihe onwunwe maka ndị ọzọ,ma na-ahazikwa mpụta poresize,porosity,poregradient,totuosity,na n'elu ihu ọgwụgwọ na-eju afọ niile n'otu oge.
2.1 Jikwaa Ogologo Ogologo Ogologo (0.1–2μm) yana Mwapụta nkesa NarrowPoreSize: Mgbe ọ na-eme ka ọ dịkwuo mma karịa nke elektrọn pụtara ụzọ na-enweghị onwe ya na mmalite ya bụ maka nkwụsị nke akụkụ, mmebi nke ikuku na-agbaso iwu Paschen; Otú ọ dị, nnukwu micropores (submicr) onscale) nwere ike ịba ụba nke ndakpọ voltaji. Ihe ọmụmụ na-egosi na ọ bụrụ na nkezi porediameter debere n'okpuru 0.5μm, DC ndakpọ ike thofa50-μm-thick PTFE ihe nkiri nwere ike nweta ihe karịrị 40kV/mm.
Arụmọrụ adịghị mma: Mgbe a na-eme ka ọ dịkwuo ntakịrị karịa ihe ntinye aka na-ekpebi site na mkpụrụ ndụ ihe nketa nke radius nke gyrationorthemeltviscosity nke ọkụ-meltadhesives (dịka, PE, PP), mgbaze enweghị ike ịmịpụta micropores. edPTFEfibrilson nke elu, nke na-akpata na-enweghị oke mmetụta mallactual contactarea, ihe ndị na-adịghị mma na-emetụtakwa ya. N'ozuzu, ọnyà dị elu karịa 0.5μm nwere ike igbochi ntinye site na ọkacha ọkụ-meltadhesives.
2.2 ControlPorosityina Ogologo oke(50%-70%)
Toolowporosity (<30%) enweghị ike inye ikike ịrụ ọrụ nke ọma; oke elu (> 80%) na-ebelata ọdịnaya nke siri ike karịa, na-eme ka mmebi dị nkọ na mkpuchi na akụrụngwa akụrụngwa. Ataporositya gburugburu 60%, theairpermeability (Gurleyvalue) nwere ike ịchịkwa n'ime 20-100s/100cc, ebe film0.13mm ọkpụrụkpụ nwere ike na-ejigide ike ike ọkụ nke≥2kV, na-ezute ọtụtụ okpomọkụ-sealinginsulation chọrọ.
2.3AdoptaHigh-Tortuosity3DNetworkPoreStructure(JiangsuTeflon Onye nrụpụta akwa-okpomọkụ ejiri ya)
Nhazi nke 'node-fibril' nke PTFE na-eme ka ọ dị elu (τ≈2.54) .Gases ga-agaferịrị n'ụzọ dị egwu, nke na-eme ka nkwụsị ikuku na-eme ka ọ ghara ịdị irè na-egbochi nhazi nke kwụ ọtọ-site na chanel. Hightortuosity na-akwalitekwa ntụkwasị obi na-arụ ọrụ nke ọma na-ewepụ site na njikọ dị n'etiti ndị nwe ya wee weakerone, na-enye ohere nke ukwuu karịa karịa ka ọ na-agbanwe mgbanwe maka ntụkwasị obi dị elu.
Site n'ịkọwa okpomọkụ, okpomọkụ dị mkpụmkpụ nke dị mkpụmkpụ, ma ọ bụ mkpuchi ya na ultra-thinfluoropolymer (dịka, TeflonAF), kọntaktị dị n'elu ihu ya na ihe a na-arụ ọrụ na-enweta ihe nkiri dị iche iche nke na-eme ka ihe nkiri ahụ dị ka ihe nkiri. Ihe mkpuchi ahụ na-enwe oke ume iku ume: N'okpuru mkpuchi akpụkpọ ahụ, ihe onwunwe ka na-anọgide na-arụ ọrụ netwọk dị elu nke jikọtara micropores.
Mmetụta: Mgbochi na-achịkwa site na denselayer, arụghị ọrụ nke enweghị mmado na-enwetara site na edenselayer nke anụ ahụ dị oke ala dị elu nke anụ ahụ nke gyandultra-finepores, na ike ịrụ ọrụ nke ukwuu ionandedge convection.Mgbe ejiri igwe eji ekpuchi ikpo ọkụ, ihe nkiri ahụ adịghị arapara na fim ahụ, ebe mmiri na ihe na-agbanwe agbanwe nwere ike chụpụ ya site na igwe softhemicroporouslayer.
2.5 Ọgwụgwọ n'ihu: Super-Oleophobic/HydrophobicMgbanwe Na-enweghị Mgbochi Pore Siteplasmagraftingoffluorinated monomersorvapordepositionofanextremelythin (<50nm) perfluorinatedlayer, mkpuchi na akụkụ ala ime ime nwere ike gbanwee na mgbidi softhemicropores nke ime. Ọgwụgwọ a na-enye ihu ya na 'micro/nanodual-phobicity,' na-emelite ihe na-abụghị nke nrapagide na ala, na-enwekwa oke ike.
3.Typical PerformanceIndicators forBalancedDesign
Iwere nke ọma emebere ume iku ume PTFEtape(0.13mmthick) ihe atụ:
Oke
Uru
Ike ikuku (Gurley)
30-60 s / 100 cc - na-emezu ihe achọrọ maka ikpocha ọkụ na-ekpuchi ọkụ, oghere oghere, wdg.
Voltaji ndakpọ
≥3 kV (DC) - adabara maka mkpuchi mkpuchi ọkụ dị ala na ọkara
<0.1 N/cm - enweghị ihe fọdụrụ ka ejiri ogologo oge dị elu mee ihe
Nguzogide okpomọkụ
Ojiji na-aga n'ihu site na -70°C ruo 260°C
4.Mkpebi
Nhazi nke microporous ihe owuwu dị n'ime iku umeTeflon dị elu-okpomọkụ a na -enweta nke ọma site na injinịa morphological , na-ekesa akụrụngwa atọ gafere ọkwa ọkwa dị iche iche:
A na-enye ihe mkpuchi na arụghị ọrụ nke ọma site na nso-surfacedenseskinorultra-finemicropores;
A na-edozi ike ikuku site na njikọ ime, netwọk macroporous dị njọ. N'ihe dị n'ihu, a na-achịkwa ya na ihe dị n'okpuru micron, ihe dị n'ime ime na mkparị na-ejikọta ya na usoro mmepụta ihe, ihe ndị a na-eme n'otu oge na-enweta ike ikuku, mkpuchi, na enweghị nrapagide na-arụ ọrụ na nkọwa nkọwa.
