PTFE örtügi Teflon ýokary temperaturaly mata süýümli aýna substraty bilen nähili baglanyşýar?

HowDoesthePTFECoatingonTeflonHigh-TemperatureClothAdheretoFiberglassFabric?

PTFE (politetrafluoroetilen) hasanextremelylowsurfaceenergyandisfamouslyknownasa 'taýak däl ' material. Şol sebäpli, himiki taýdan berkidilen fiberglas aýnasy ýaly adatdan daşary örtükler.AsanalyzedbyTeflonhigh-temperaturecl öndüriji - JiangsuAokaiNewMaterialTechnologyCo., Ltd.

“Teflonhigh-temperatureclothmainlyincludethefollowing”:

1.Mehaniki Interlocking (FizikiBonding) Bu “Tistemostfundamentalapproach.Fiberglassfabricitselfisaporoustextile”. kesişmek (takmynan360–400 ° C), “PTFEparticlesmeltintoacontinuousfilm”, “Fiberbundleslikecountless ” labyrlaryny berk berkitmek.

2.SilaneCouplingAgentPretreatment (ChemicalBridging)

Bu ýokary hilli ýokary hilliPTFEfiberglassfabrics matalary.

“Oneendofthesilane” (siloksigroup), gidroliz, kankimiki usulda “gidroksil toparlary” (-OH) onturfuroftheglassfiberler;

Teotherend, göteriji organiki funksional toparlar, kanser-baglanyşdyryjy stronglyadsorbwiththeadhesivecomponentler fluorinatedprimerduringsubigentimpregnationorcoating.Bu effektiw gurluşyk 'molekulýar köpri ' betweentheorganicandinorganicinterfaces.

3.HimikiPrimerTransitionLayer

Göni örtmekPTFEresultinpooradhesionaftersintering, soganly primerisusualappliedfirsttothefiberglassfabric.Tisprimerlayergenerallycontains:

Heselimleýji serişdeler: Sukaspolýamid-imide (PAI), polifenilenesulfid (PPS), polietersulfon (PES), ýa-da wodwetting we strongadhesiontoglassfiberler, we ýokary derejeli temperaturaPTFEsin.

PTFEmicropowder: ToensurethattheprimerandthefinalPTFEtoplayercanfuset bilelikde.

Bu primerlayerachieveschemicalbondingandphysicalinterlocking bilen birleşdiriji-agent bilen bejerilen süýümli aýna aýnasy, emele getirýän obýustrasiýa geçirijisi.

4.Hot-MeltAdhesiveFilmLamination (LaminationMethod) Bu usul, işleýänJiangsuAokaiNewMaterialTechnologyCo., Ltd. ulanylýar. ately10¹ ⁰ - 10¹ ² Pa · s), ithardlyflowsevenwheatedaboveitsmeltingpoint, sodirecthot-pressbondingisnot mümkin däl. FEP (ftorinetetilenpropilen) ýa-daPFA (perfluoroalkoxy) filmleri , iň ýokary derejeli nokatPhan (takmynan260–310 ° C) msurface.Introcess, theFEP / PFAfilmisplacedbetweenthePTFEfilmandthefiberglassfabrika, gyzdyrylan we gysylan we soňundan sowadylan, astrongbondisformirlenen.

5.GradientStructureviaMultipleImpregnation weSinteringCycles

Köp temperaturaly barlag geçirijileri, arhitektura-membranemateriallar, köp sanly emdirmek prosesi: “ThefirstimpregnationsusesadilutePTFEdispersioncontainingbindersandcouplingagents”, “primertopenetratedeepintothefiberbundles” -e rugsat berýär. Aftersintering, köpsanly yzarlamalar bilenPPFEemulsionandsuccessivesinteringstepsarecarriedout, netijedePTFEonthesurface-iň ýokary ygtybarlylygy. Bu, “FiberglassfabrictothepurePTFE”, “daşarky” we “Strongstrongbondingforce” bilen döredilýär.

Netije

Gysgaça mazmun, “PFFEcoating” we “FiberglassfabricinTeflonhigh-temperatureclothisnotsimply” “ýelimlemek” - itisakompleks (sistematiki ineringenerçilik prosesi): üsti bilen “Plingagentsandprimerstoachievechemicalbondingandtransition”, we ýokary temperatura temperaturasy, “filmleýerler” bilen birleşdirilen “integrasiýa” .FonlypurePTF

Theaboveinformasiýa berilýärJiangsuAokaiNewMaterialTechnologyCo., Ltd. “Ifyouwouldliketolearnmoreaboutthedetailed parametrler”, “programmalar”, “we” “Teflonhigh-temperaturecloth”, “Teflonhigh-temperaturetap” -lary öz içine alýan “Hereketleşdiriş çözgütleri” e. ~!phoenix_var143_1!~

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