I-JiangsuTeflonHigh-TemperatureClothManufacturer–JiangsuAokaiNewMaterialTechnologyCo.,Ltd.ikhumbuza ukuthi lokhu kuyisisekelo sematterofsynergy phakathi kwesakhiwo esine-porousandsurface/izakhiwo eziningi zokusebenza.
1.Imithombo YokungqubuzanaPhakathi Kwezakhiwo Ezincane Nezakhiwo Ukungenwa komoya kudinga ukuxhunywa kwezimbotshana ezivulekile,ezidlula iziteshi eziyingozi.Ubukhulu bokungena bulingana nengxenye yesikwele yobubanzi obuphakathi kanye ne-theporosity, futhi ngokuphambana nengxenye yesihluku sendawo.
I-Insulation (i-dielectricstrength) reliesonthematerial'sdensity.Ukwethula i-microporesiseokufana nokuxutshwa kwe-(ngethalowbreakdownfieldfieldstrengthof~3kV/mm)ku-PTFEmatrix,kanye namapores avulekile ahlinzeka ngezindlela ezinamandla zokukhipha ingxenye kanye nokulandela ikhasi lokuhamba.
I-Airpermeabilityvs.non-stickproperty: I-Thenon-stickpropertyot ivela ku-PTFE'namandla aphansi kakhulu ebusweni(~18mN/m)kanye nobuso obushelelezi.I-Microporesiennyusa ubungako obungaphezulu kanye ne-realcontactarea;izinto ezincibilikisiweisorviscousmediamaypen i-etratethemicropores,ukwakheka'ukukhiyana kwemishini'lokho kunokuthi kubangele ukunamathela.Ngakho-ke,izinto ezibonakalayo kufanele kanyekanye zizuze ukungakwazi ukungena komoya kanye nokumelana kobuso nokumanzi nokungena.
2.Indlela EyisisekeloYomklamo Olinganisiwe:Ukuguquguquka OkuvumelanayoKwamapharamitha Esakhiwo Se-Mesoscopic Ukhiyeukulinganisaakuchaziindawonye kwenye,kodwa ukuhlanganisa ngokudidiyela usayizi,i-porosity,i-poregradient,i-tortuos, kanye nokuphathwa kobuso ukuze kwanelise zonke izidingo kanyekanye.
2.1LawulaI-AveragePoreDiameter(0.1–2μm)kanyeNarrowPoreSizeDistribution Forinsulation: Lapho i-poresize incane kune-elekhthronikhiindlela yamahhala futhi ukuqaliswa usayizi wokukhipha ingxenye, ukuphuka emoyeni ama-gaps kusalandela umthetho kaPaschen; nokho, ama-micropores amahle kakhulu(submicr ngokwezinga eliphezulu) ucansi luyakhuphula kakhulu ukwehla kwamandla kagesi.Izifundo zibonisa ukuthi lapho isilinganiso seporediameter sihlala singaphansi kuka-0.5μm,iDC-breakdownstrengthofa50-μm-thick-PTFEifilimu isengafinyelela ngaphezu kuka-40kV/mm.
Ukusebenza kwe-Fornon-stick: Lapho i-poresize incane kunobukhulu bokungena okubalulekile kunqunywa i-molecularchain radiusofgyrationorthemeltviscosityof-hot-meltadhesives(isb,PE,PP),i-themelt ayikwazi ukuhluza ama-micropores.Iyothintana kuphela I-edPTFE i-fibrilsobuso, umphumela uthintana ne-contactarea emincane ngokwedlulele,i-sothenon-stick-property ihlala ingathinteki.Ngokuvamile, i-poressssmaller than0.5μmngavimbela ukungena ngama-metadhesives amaningi.
2.2LawulaI-PorosityinaIbanga Elilingene(50%–70%)
I-Toolowporosity(<30%)ayikwazi ukunikeza ukufinyeleleka komoya okusebenzayo;iphezulu kakhulu(>80%)yehlisa ukuqina kokuqina,kubangela ukuwohloka okubukhaliukwandiswa kanye nezakhiwo zomshini. I-Ataporosityaround60%,i-airpermeability(i-Gurleyvalue) ingalawuleka phakathi kuka-20–100s/100cc, kuyilapho ifilimu engu-0.13mmthickingakwazi ukugcina amandla okusebenza kagesi≥2kV,ihlangabezana nezidingo zokuqinisa amandla kagesi.
2.3I-AdoptaHigh-Tortuosity3DNetworkPoreStructure(esetshenziswa yiJiangsuTeflonHigh-TemperatureClothManufacturer)
I'i-node-fibril'isakhiwo sePTFE sakha i-hightortuosity(τ≈2.54).Amagesi kumele adlule ezindleleni ezinzima,enweba ukubhidlika komoya epathandenicindezela ngempumeleloukwakheka kweziteshi zokushaja eziqondile. I-Hightortuosityayehlisa ukuncikakokuba komoya ongamazi ekuporesizeni ku-quarequare ebudlelwaneni ku-weakerone, ivumela i-porestobe isetshenziswe kancane ishintshe ukwethembeka okuphezulu.
2.4I-ConstructanAsymmetricGradientPoreStructure–DenseSurface,PorousInterior Densesurfaceskinlayer(ukujiya1–5μm)
Ngokushisa ukushisa,isikhathi esifushane sokushisa okuphezulu,noma ukuhlanganisa nge-anultra-thinfluoropolymer(isb,i-TeflonAF),ubuso obuthinta into esebenzayo buthola ubuso obufanayo nefilimu enobukhulu. Inqwaba igcina isendlalelo esiphefumulayo esinobuxhaka kakhulu: Ngaphansi kwesendlalelo sesikhumba,izinto ezibonakalayo zisalokhu zinenethiwekhi enamandla kakhulu exhunywe ama-micropores.
Umthelela: I-insulation ibuswa i-denselayer,ukusebenza okungezona okunamathelayo kuqinisekiswe amandla obuso bomkhonsali aphansi kakhulu nama-ultra-finepores,andairpermeabilityreliesoninterlayerdiffus i-ionandedgeconvection.Lapho kusetshenziswa imishini yokuvala ukushisa, itheyipu ebusweni ayinamatheli efilimini encibilikisiwe, kuyilapho umswakama kanye nezinto eziguquguqukayo zingakhishwa ngemiphetho yesendlalelo esincane.
2.5I-SurfacePost-Treatment:Super-Oleophobic/HydrophobicModificationWithoutPoreBlockage I-Byplasmagraftingoffluorinatedmonomersorvapordepositionofanextremelythin(<50nm)perfluorinatedlayer,agcobanobuso obuphansi obuphansi amandla angekheka phezu kwezindonga zangaphakathi zamamicropores.Lokhu kuqhubeke kuvimbe izinto ezibambekayo ezinamathelayo ngaphandle kokuvala imigudu. Lokhu kwelashwa kubukeka sengathi'okuncane/kwe-nanodual-phobicity,'ukuthuthukiswa kwepropertytoanti-soiling engatholakali, kanye nokungafinyeleleki kokungena kwamanzi.
Ukuthatha i-PTFEtape ephefumulelwe ngendlela efanelekile(0.13mmthick)isibonelo:
Ipharamitha |
Inani |
Ukungena komoya (Gurley) |
30–60 s/100 cc – ihlangabezana nezimfuneko zokukhipha umoya ovala ukushisa, i-vacuum lamination, njll. |
I-voltage yokuhlukaniswa |
≥3 kV (DC) - ilungele ukuhlukaniswa kwe-voltage ephansi kuya kokuphakathi |
Amandla ekhasi angewona ama-stick (amelene ne-adhesive ye-acrylic, ingcina ye-EVA encibilikayo eshisayo) |
<0.1 N/cm – ayikho insalela ngemva kokusetshenziswa kwesikhathi eside kwezinga lokushisa eliphezulu |
Ukumelana nezinga lokushisa |
Ukusetshenziswa okuqhubekayo kusuka -70°C kuya ku-260°C |
4.Isiphetho
Ibhalansi yesakhiwo esincanyana esiphefumulayo iTeflon high-temperaturetape ibalulekile ngokubalulekile izuzwe ngobunjiniyela be-morphologicale , ukusabalalisa izici ezintathu kuzo zonke izigaba ezahlukene zesakhiwo:
I-insulationandnon-stickperformance kunikezwa ngama-dear-surfacedenseskinorultra-finemicropores;
Ukungena komoya kusingathwa yinethiwekhi exhunywe ngaphakathi, i-tortuousmacroporousnetwork. I-Aslongasthe surface poresize ilawula kanyekanyenobubanzi be-submicron,i-porosityasityandtortuosityayangaphakathi ihlanganisa ngokunembile nethakhiwotha lethayiphu,itheyiphu yocansi ngesikhathi esifanayo izuza ukukwazi ukungena,ukufakwa kwe-insulation, kanye nokusebenza okungeyona induku kulo lonke ububanzi bokucaciswa.
Ulwazi olungenhla luhlinzekwa nguI-JiangsuAokaiNewMaterialTechnologyCo.,Ltd. Uma ungathanda ukufunda okwengeziwe ngamapharamitha anemininingwane, izimo zohlelo lokusebenza, kanye nezisombululo zokwenza ngokwezifiso zemikhiqizo yethu egcwele-okuhlanganisa indwangu ye-Teflonhigh-temperature, Teflonhigh-temperaturetap e,Amabhande e-Teflonhigh-temperature mesh,amabhande angenamthungo emishini yokuthambisa,indwangu yohlangothi olulodwaPTFE,amabhande okuhambisa ezinga lokushisa eliphezulu,indwangu yengilazi enezinga eliphezulu lokushisa,kanye nokunye–ngicela uzizwe ukhululekile ukuthintana: ~!phoenix_var158_1!~
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