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Tef ɗin Adhesive PTFE ?
Ta yaya tsarin microporous zai iya ƙirƙira ƙirar Teflon mai zafin zafin jiki mai ƙarfi na ma'aunin ma'aunin iska tare da rufi da kaddarorin da ba na sanda ba
Ta yaya tsarin microporous zai iya ƙirƙira ƙirar Teflon mai zafin jiki mai zafin jiki mai saurin daidaita iskar iska tare da rufi da kaddarorin da ba na sanda ba?
JiangsuTeflon Babban ZazzabiManufacturer Tufafi-JiangsuAokaiNewMaterialTechnologyCo.,Ltd.yana tunatar da cewa wannan yana da matukar mahimmanci na haɓaka haɗin gwiwa tsakanin kayan aiki da kayan aiki da saman fage/samuwar kayan aiki.
1.Soyayyar RikiciAtsakanin Tsarin Karan Kankara da Kayayyakin Jirgin Sama na buƙatar haɗin kai na buɗe ido, tare da wucewar iskar gas ta hanyoyin tashoshi.
Insulation (ƙarfin wutar lantarki) reliesonthematerial'sdensity. Gabatar da microporesise daidaitattun kayan haɗin gwiwa (tare da raguwar ƙarfin ƙarfi na ~ 3kV/mm) zuwa cikin PTFEmatrix, da kuma samar da hanyoyi masu ƙarfi don ɓarna ɓarna da shafi shafi.Maɗaukakin maɗaukaki da madaidaiciyar hanya, tare da fa'ida mai ƙarfi.
Airpermeabilityvs.non-stickproperty: Sa'an nan kadarorin da ba na sanda ba sun samo asali daga PTFE's matsanancin ƙarancin ƙasa (~ 18mN/m) da kuma shimfidar yanayi. etratethemicropores, forming ' makanikai interlocking' abin da ke haifar da sa adhesion.Saboda haka, abubuwan da suka dace suna da lokaci guda suna samun damar yin aiki tare da fuskantar juriya da shiga tsakani.
2.CoreApproachto BalancedDesign:SynergisticModulation of MesoscopicStructural Parameters The keyto balance is not sadaukarwa daya dukiya don wani, buttratherconordinatelytuning poresize, porosity, poregradient, totuosity, and surfacetreatment to gamsarda duk lokaci guda.
2.1 Sarrafa Matsakaicin Diamita (0.1-2μm) da Ƙarƙashin Girman Girman Rarraba Rarraba : Lokacin da girman kai ya fi girma fiye da na lantarki yana nufin hanyar da ba ta dace ba kuma farawa yana ba da izini ga ɓarna na ɓarna, ɓarna a cikin jirgin har yanzu yana bin dokar Paschen; duk da haka, mafi ƙarancin ƙwayoyin cuta (submicr) a kan sikelin) na iya ƙara haɓaka rushewar wutar lantarki. Nazari sun nuna lokacin da matsakaicin matsakaicin diamita ya kasance a ƙasa da 0.5μm, rushewar DC ƙarfithofa50-μm-kauri PTFEfilm yana iya kaiwa sama da 40kV/mm.
Yin aiki mara kyau: Lokacin da aka ƙirƙira mafi ƙarancin shigarwar abubuwan shigar da aka ƙaddara ta hanyar ƙwayoyin ƙwayoyin cutainradiusofgyrationorthemeltviscosity na zafi-meltadhesives (misali, PE, PP), jigo ba zai iya ba da kariya ga micropores. edPTFEfibrilson fuskar sama, wanda hakan ya haifar da matsananciyar matsananciyar ma'amala, abin da ba na sanda ba ya ci gaba da lalacewa. Gabaɗaya, ƙorafi mai ƙarfi fiye da 0.5μm yana hana shigar shiga ta hanyar mafi zafi-meltadhesives.
2.2Mai Sarrafa Matsakaicin Matsayi (50% – 70%)
Toolowporosity (<30%) ba zai iya samar da aiki mai ƙarfi ba; maɗaukaki (> 80%) yana rage ƙarfi da yawa, yana haifar da tabarbarewar haɓakawa da kayan aikin injiniya. Ataporosityaround 60%, theairpermeability (Gurleyvalue) za a iya sarrafa a cikin 20-100s/100cc, yayin da fim0.13mm kauri iya ci gaba da makamashi ƙarfi na≥2kV, saduwa da mafi zafi-sealinginsulation bukatun.
2.3AdoptaHigh-Tortuosity3DNetworkPoreStructure(wanda JiangsuTeflon ya yi amfani da Babban ZazzabiManufacturer)
Tsarin 'node-fibril' na PTFE a zahiri yana haifar da haɓaka mai girma (τ≈2.54) .Gases dole ne su wuce ta hanyoyi masu ƙarfi, waɗanda ke haɓaka rushewar iska kuma suna hana haɓakar madaidaiciyar tashoshi. Babban haɓakawa yana haifar da dogaro da ingantaccen aiki akan ɓata lokaci daga alaƙar ƙwararru don aweakerone, ba da izinin ƙara girma poreto don canzawa don dogaro mai girma.
Ta hanyar ƙididdige yawan zafin jiki, gajeriyar yanayin zafi mai zafi, ko shafa tare da matsananci-thinfluoropolymer (misali, TeflonAF), hulɗar da ke tattare da abubuwan da ake yin aiki da ke da alaƙa da kamannin fim ɗin. Thebulkretainsahighlyporousbreathablelayer: Beneaththeskinlayer,thematerialstillmaintainsahighlyporousnetworkofinterconnectedmicropores.Gascanbetransmittedlaterallyandlongitudinallythroughtheedgesorthroughresidualnano-sizedporesintheskin,maintainingoverallairpermeability.
Tasiri: Insulation ya mamaye tadenselayer, rashin aikin da ba a yi ba yana tabbatar da cewa edenselayer's mai matuƙar ƙarancin ƙasan saman fasinja-finepores, da haɓakar haɓakar haɓakar diffus ionandedge convection.Lokacin da aka yi amfani da na'urori masu rufe zafi, na'urar na'urar ba ta manne da fim ɗin namolten ba, yayin da danshi da rashin ƙarfi za'a iya fitar da shi ta gefen softhemicroporouslayer.
2.5Tsarin Jiyya Bayan-Baya: Super-Oleophobic/Hanyar Haɗin Hali Byplasmagraftingoffluorinated monomersorvapordepositionofanextremelythin (<50nm) perfluorinatedlayer, shafa tare da venousersur fuskar bangon waya iya zama a cikin ciki bango softwarehemicropores. Wannan magani yana ba da fifikon fuska tare da 'micro/nanodual-phobicity,' haɓakawa ba-stickproperty ga ƙasa ba, tare da kusan rashin ƙarfi.
3.TypicalPerformanceManunoni don BalancedDesign
Ɗaukar ingantaccen tsari na numfashi PTFEtape (0.13mm kauri) misali:
Siga
Daraja
Karɓar iska (Gurley)
30-60 s / 100 cc - ya sadu da buƙatu don shaye-shaye mai ɗaukar zafi, lamination, da sauransu.
Ƙarfin kwasfa mara sandar saman (da acrylic adhesive, EVA hot-melt adhesive)
<0.1 N/cm - babu saura bayan dogon lokacin amfani mai zafi
Juriya yanayin zafi
Ci gaba da amfani daga -70 ° C zuwa 260 ° C
4.Kammalawa
Ma'auni na tsarin microporous a cikin abin da za a iya numfashiTeflon-high-zazzabi-tafi wanda aka samu ta hanyar injiniyan ilimin halittar jiki , yana rarraba abubuwa guda uku a cikin matakai daban-daban:
Ana samar da insulation da rashin aiki ta hanyar saman-surfacedenseskinorultra-finemicropores;
Airpermeability ana sarrafa shi ta hanyar haɗin ciki, cibiyar sadarwa mai wahala. A daidai lokacin da fuskar bangon waya tana sarrafa ƙananan ƙananan ƙwayoyin cuta, haɓakar ciki da haɓakawa ana haɗa su daidai tare da tsarin kayan aiki, abubuwan da za su iya samun damar yin amfani da su lokaci guda, rufi, da rashin aiki tare da ƙayyadaddun bayanai.
