Ko PTFE coating inosungirirwa sei kune fiberglass jira substrate muTeflon high-tembiricha jira?

KoPTFECoatingonTeflonHigh-Temperature Nguo Inonamatira kuFiberglassFabric?

PTFE(polytetrafluoroethylene)hasaneyakanyanya kuderera pamusoro pesimba uye isinganyanyo zivikanwaasa'isina tsvimbo'material.Nekudaro,haikwanisi kuva yakanangana nekemikari yakasungirirwa kufiberglassfabriclikeordinarycoatings.Inoongororwa neTeflonhigh-temperaturecl othmanufacturer–JiangsuAokaiNewMaterialTechnologyCo.,Ltd.,icho chisungo pakati pezviviri zvirikuitika zvinogoneka kuburikidza nechimiro chesicalanchoringuyemuchina kuvharirana,chinowedzerwa nekemikari-primertreatmentorhot-meltadhesioncompositeeffects.

Idzi nzira dzakananga dzekubatanidza Teflon high-temperature cloth dzinosanganisira dzinotevera:

1.MechanicalInterlocking(PhysicalBonding) Iyi ndiyo nzira yakanyanyisa kukosha.Fiberglass fabricitselfisaporoustextile.ApoPTFEemulsionordispersionisimipregnatedorcoated ontothe fiberglassfabric,thePTFE inopinda mukati memhanza nemamharadzano epakati pemafibhi. intering(inenge 360–400°C), thePTFEparticles inonyunguduka kuenderera mberi firimu, yakanyatsobatisisa masumbu efiber seasingaverengeki'anchorhooks.'Zvisinei, kungovimba chetenenzira iyi zvinozoguma nekusimba kwechisungo chishoma, uye kazhinji zvinoda matanho ekuwedzera.

2.SilaneCouplingAgentPretreatment(ChemicalBridging)

Ichi ndicho chinenge chakanyanya kugadzirwa kwezvemhando yepamusoro-soroPTFEfiberglass machira.Kumeso kwefiberglass machira anotanga kurapwa neasilanecouplingagent(suchasaminosilane,epoxysilane,etc.):

Imwe endofthesilane(siloxygroup), afterhydrolysis,canchemicallybond withthehydroxylgroups(-OH) pamusoro pepamusoro pegirazi fibers;

Theotherend,inotakuraorganicfunctionalgroups,cancross-linkoryakasimbayadsorbwiththeadhesive partsinthefluorinatedprimer panguva yekuteverakumirirwa kana coating.Izvi zvinobudirira zvinovaka'molecularbridge'pakati peorganic andinorganicinterfaces.

3.ChemicalPrimerTransitionLayer

Yakanangana nePTFE inokonzeresa urombo pakubata mushure mekubatanidza, yakatsaurirwaprimesi inowanzoiswa pekutanga kune fibergirazi jira.Ichi chekutanga chine:

Adhesiveresins: Sukaspolyamide-imide(PAI),polyphenylenesulfide(PPS),polyethersulfone(PES),orpolyetheretherketone(PEEK),inekunyorova uye kunamatiramafibers egirazi,uye inokwanisa kushingirira kunotevera tembiricha yePTFEkupindirana.

PTFE micropowder: Kuvimbisa kuti yekutanga uye yekupedzisiraPTFE kumutambi anogona kusanganisa pamwechete.

Iyi yekutanga macheki emakemikari bondindi uye emuviri kukiyiwa pamwe nekubatanidza-ajenti-yakagadziriswa fiberglass fabric,formingarobusttransitionlayer.ThePTFEmutambi anozosanganisa nePTFE chikamu chepakutanga panguva yekupindirana, nokudaro pasina kunanga kubudirira kwakakwirira kwekusimba.

4.Hot-MeltAdhesiveFilmLamination(LaminationMethod) Iyi nzira, inoshandirwa naJiangsuAokaiNewMaterialTechnologyCo., Ltd., yakashandiswa kuva bondpre-formed, thickPTFEfilmstofiberglassfabric.NekutiPTFEhasanextremelyhighmeltviscosity(approxim) ately10⊃1;⁰–10⊃1;⊃2;Pa·s),inoyererakanomweichipiswa pamusoro penzvimbo yakanyungudika,sodirecthot-pressbondingingihazviiti.Amelt-processable'hot-meltadhesive'inofanira kushandiswa,kazhinji: FEP(fluorinatedethylenepropylene) orPFA(perfluoroalkoxy) mafirimu ,inemapoindi ekunyungudika epasi panePTFE(inenge 260–310°C). Mushure mekunyunguduka, anogona kunyorovesa fiberglass fabricandinter-diffuse/kunyungudika nePTFEfil msurface.Intheprocess,theFEP/PFAfilm yakaisa pakati pePTFEfilmandthefiberglassfabric,yakapisa nekudzvinyirirwa,uye mushure mekutonhodzwa,yakasimbabondisform.

5.GradientStructureviaMultipleImpregnationandSinteringCycles

Mazhinji epamusoro-tembiricha anotakura mabhandi uye ekugadzira membrane zvinhu zvinogadzira zvisingaverengeki-zvakawanda-kurovererwa maitiro: Kubata pamuviri kwekutanga kunoshandisa kunyorovesa PTFE kupararira kune mabhandi uye kubatanidzwa, zvichibvumira yekutanga kupinda mune imwe mufiber bundles. Mushure mekupinda, mimba dzakawanda dzinotevera dzine purePTFEemulsion uye dzinotevedzana dzichipindirana nhanho dzinobudiswa kunze, zvichikonzera kuwedzera kuchena kwepamusoro kwePTFE pamusoro. Izvi zvinogadzira zvinoumbwa zvine chidimbu cheshanduko kubva kufiberglass fabrictothepurePTFE, ine vakaderera vemukati uye yakasimba kubatanidza simba.

Mhedziso

Pfupiso, kubatana pakati pePTFEcoating nefiberglass fabricinTeflonhigh-temperature cloth is notsimply'gluing' -iitisa complex(systematicengineeringprocess):kuburikidza nemuviri miranchoringtotakerootinthefibers,kuburikidza necoucou plinggents andprimers to achieve the chemical bondind and transition, and through high-temperatures intering to completemelt-kubatanidzwa kwemafirimu.Ife chetepurePTFE weredirectly coated,therelayerwould peeloffwithingletear.

Ruzivo rwuri pamusoro rwunopihwa naJiangsuAokaiNewMaterialTechnologyCo.,Ltd. Kana uchida kudzidza zvakawanda pamusoro pematanho akadzama, mashandisirwo emamiriro ekushandisa, uye ekugadzirisa magadzirirwo ezvemhando dzakasiyana dzezvigadzirwa-kusanganisira Teflonhigh-temperature cloth,Teflonhigh-temperaturetap e,Teflonhigh-temperaturemeshbets,seamlessbets forlaminatingmachines,rimwe diviPTFEcloth,high-temperatureconveyorbets,high-temperaturefiberglasscloth,uyezvimwe–ndapota inzwa wakasunungukakusangana: ~!phoenix_var143_1!~

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