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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 muhimmanci na haɓaka haɗin gwiwa tsakanin tsarin faffada da saman fage/samuwar dukiyoyi.
1.Soyayyar RikiciAtsakanin Tsarin Karan Maɗaukaki da Kayayyakin Iskar iska yana buƙatar haɗin haɗin buɗe ido, tare da wucewar iskar gas ta hanyar tashoshin.
Insulation (ƙarfin wutar lantarki) Gabatar da microporesise daidaitattun abubuwan 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.Maɗaukakiyar haɓakawa da madaidaiciyar hanya, ƙarin fa'ida-da ƙarfi.
Airpermeabilityvs.non-stickproperty: Abubuwan da ba na sanda ba sun samo asali ne daga PTFE's matsanancin ƙarancin ƙasa (~ 18mN/m) da kuma shimfidar ƙasa. etratethemicropores, forming ' makanikai interlocking' abin da ke haifar da sa adhesion.Saboda haka, thematerialmutsari lokaci guda don samun iskar iska da kuma fuskantar juriya zuwa ruwa da shiga.
2.CoreApproachto BalancedDesign:SynergisticModulation of MesoscopicStructural Parameters The keyto balance is not sadaukarwa daya dukiya don wani, buttrathercoordinatelytuningporesize, porosity, poregradient, totuosity, and surface jiyya don gamsuwa da duka lokaci guda.
2.1 Sarrafa Matsakaicin Diamita (0.1 – 2 μm) 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 ƙaddamarwar ta kasance don zubar da jini, rugujewa 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 yayin da matsakaicin matsakaicin diamita ya kasance a ƙasa da 0.5μm, rushewar DC ƙarfithofa50-μm-kauri PTFEfim yana iya kaiwa sama da 40kV/mm.
Yin aiki mara kyau: Lokacin da aka ƙididdige mafi girma fiye da abubuwan shigar da ke ciki wanda aka ƙaddara ta hanyar ƙwayoyin cuta na radius na gyration or themeltviscosity 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, da sauran abubuwan da ba na sanda ba sun kasance suna lalacewa. Gabaɗaya, fuskar bangon waya mafi girma fiye da 0.5μm yana hana 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 fiye da kima, 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 ƙarfi (τ≈2.54) .Gases dole ne su wuce ta hanyoyi masu ƙarfi, waɗanda ke haɓaka rushewar iska da rashin ƙarfi da 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 musanyawa 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 simintin fim ɗin. Thebulkretainsahighlyporousbreathablelayer: Beneaththeskinlayer,thematerialstillmaintainsahighlyporousnetworkofinterconnectedmicropores.Gascanbetransmittedlaterallyandlongitudinallythroughtheedgesorthroughresidualnano-sizedporesintheskin,maintainingoverallairpermeability.
Tasiri: Insulation ya mamaye tadenselayer, wanda ba a yi aiki ba yana tabbatar da cewa edenselayer's matuƙar ƙarancin ƙasan saman fasinjan gyandultra-finepores, da haɓakar haɓakar haɓakawa 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 su ta gefen softhemicroporouslayer.
2.5Tsarin Jiyya na 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-stick kadara zuwa 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 buƙatun don shaye-shaye mai zafi, lamination, da dai 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 tafsirin da aka samu ta hanyar injiniyan ilimin halittar jiki , yana rarraba abubuwa guda uku daban-daban na matakan tsari:
Ana samar da insulation da rashin aiki ta hanyar gaba-surfacedenseskinorultra-finemicropores;
Airpermeability ana sarrafa shi ta hanyar haɗin ciki, cibiyar sadarwar macroporous 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 haɓakawa, abubuwan da za a iya samun lokaci guda don samun isar da iskar gas, rufi, da rashin aiki tare da ƙayyadaddun bayanai.
