O lenei tusiga o loʻo aofia ai faʻaoga o le Teflon maualuga-vevela ie (PTFE-coated fiberglass fabric) i totonu ole vateatea. Vaega autu o le faaaogaina: gaosiga o meafaitino tuufaatasi - tatala ie / ata tifaga i autoclave molding, tulaga tuufua, maualuga-vevela conveyor fusi mo prepreg gaosiga; Inisinia ma le maualuga o le vevela puipuiga - palanikeke insulation vevela, puipui puipui, fetuutuunai fesoʻotaʻiga maualuga-vevela; Puipuiga fa'aeletise ma fa'amau uaea - afifi uaea i totonu o vaega afi ma faga o mea e tu'u ai; Va'alele totonu ma puipuiga afi - pupuni afi/asu pa pupuni e fetaui FST tulaga, vevela/acoustic insulation palanikeke ufiufi; Avanoa ma aerospace talosaga - faʻapipiʻi faʻapipiʻi faʻapipiʻi (MLI), faʻapipiʻi lubrication anti-cold-weld mo masini faʻapipiʻiina o le la ma faʻamau antenna, ie e pulea ai le vevela.

O lenei tusiga o loʻo faʻamatalaina pe faʻafefea ona faʻapipiʻiina e le PTFE le fusipaʻu i le fiberglass ie substrate i Teflon ie vevela maualuga. E le mafai ona fa'apipi'i fa'ama'i tu'usa'o ona o le malosi ole maualuga ole PTFE. Fa'amauina e maua e ala i le: Fa'afeso'ota'i fa'ainisinia (fa'apipi'i fa'aletino) - E ulu le emulsion o le PTFE i va alava ma u'u fusi fa'aalava pe a uma ona sintering; Silane so'o fa'apipi'i muamua togafiti - fa'atūina le alalaupapa mole i le va o alava tioata fa'a-organic ma fa'ameamea; Laega suiga muamua o vaila'au - fa'aaoga PAI, PPS, PES po'o PEEK resins ma le PTFE micropowder, fa'aoga pe a mae'a togafitiga fa'apipi'i e fa'atupu ai le malosi o le suiga; Lamination ata fa'apipi'i vevela - FEP po'o ata PFA (mea fa'afefeteina 260-310°C) fa'apipi'i muamua ata PTFE i ie; Fa'asologa fa'asolosolo e ala i le tele o le impregnation ma le sintering cycles - fa'afefeteina le pasi muamua ma le fusifusia / so'o fa'apipi'i e ulu loloto i alava, soso'o ai ma mama PTFE impregnations, fatuina gradient compositional mai fiberglass i PTFE mama.

O lenei tusiga o loʻo faʻamatalaina pe faʻafefea ona faʻapaleniina e le mamanu fausaga microporous o le Teflon mānava (PTFE) le vevela maualuga le faʻaogaina o le ea ma mea faʻamama ma mea e le faʻapipiʻi. Feteʻenaʻiga autu: e manaʻomia e le faʻaogaina o le ea pores matala, aʻo le faʻamama e manaʻomia le mafiafia ma e le pipii e manaʻomia ni mea lamolemole. Fuafuaga fuafuaina paleni: pulea averesi pore diameter (0.1-2μm, lelei <0.5μm) e puipuia ai liusua ulu ma faatumauina le gau gau; pulea porosity i 50-70% (≈60% sili ona lelei) ausia Gurley 20-100s/100cc ma dielectric malosi ≥2kV mo 0.13mm ata tifaga; fa'aogaina le fa'aogaina o pupuni feso'ota'iga 3D maualuga (τ≈2.5-4) e taofiofia ai ala lafoa'i sa'o; fau le fausaga o pore gradient asymmetric fa'atasi ma le mafiafia o le pa'u o le pa'u (1-5μm) mo le le fa'apipi'i/fa'a'ese'ese ma totonu porous mo le manava; fa'aaoga le super-oleophobic/hydrophobic i luga o le fa'agata pe a uma le togafiti e aunoa ma le pupuni o po.

O lenei tusiga o loʻo tuʻuina atu ai le lelei o le PTFE ie vevela maualuga e pei o faʻasalalauga faʻasalalau maualuga-vevela. Malosiaga autu e ono: Mataʻina le vevela o le vevela (faʻaauau 260 ° C, maualuga ~ 300 ° C), sili atu i le PPS (190 ° C) ma le aramid (200 ° C); Ole malosi ole vaila'au e faasaga ile acids, alkalis, solvents ma oxidants, hydrolysis-resistant, outperforming aramid ma le P84 ile kasa fa'a'a'a'a; E sili atu le fa'amamāina o le pefu fa'atasi ai ma le malosi tele-maualalo e mafai ai ona fa'afaigofie ona aveese le keke pefu ma fa'atumauina le pa'u maualalo; Lelei filtration lelei ma pore lapoa 0.1-3μm puʻeina i luga 99.99% o PM2.5 vaega; Le fa'amumu fa'atasi ma LOI i luga atu o le 95%, fa'atasi ai ma avanoa fa'aanti-static avanoa; Malosiaga faʻainisinia maualuga mai le faʻamalosia o le fiberglass, faʻatasi ai ma le PTFE faʻasalalauga mama e ofoina atu le fetuutuunai ma> 4 tausaga le soifua tautua. Fa'atusatusa lelei i le PPS, aramid, Nomex, P84 ma le fiberglass filter media i luga o le vevela, vailaʻau faʻamaʻi, hydrolysis teteʻe ma le faʻamamaina o galuega.

O lenei tusiga o loʻo tuʻuina atu ai fofo faʻapitoa mo le puipuia o toega pipii ma le pipii toto pe a faʻaaogaina le PTFE maualuga-vevela lipine e puipuia ai PCB auro tamatamailima i le taimi o le fono SMT. Su'esu'ega o a'a: o mea o totoe e tupu mai i le fa'aletonu fa'atasi po'o le fe'avea'i; e tupu mai le toto ona o le pa'u viscosity ma le sosolo i lalo ole vevela. Fofo autu o le filifiliga lipine talafeagai: silicone PSA ma taimi pupuu tumutumu ≥300°C, faaauau pea ≥260°C, atoa mafiafia 0.08-0.13mm ma mea manifinifi maualuga-cohesion adhesive layers, ma anti-toto/toega-saoloto tusi faamaonia. Pulea faiga e ono-laasaga: fa'amamāina a'o le'i lamination i le IPA; lamination zero-tension fa'atasi ai ma le fa'asao atoatoa o le ea; fa'alelei fa'alelei fa'amatalaga o le vevela ma le fa'amafanafana mālū (<2°C/s); pa'u malulu i lalo ole 50°C ile 180° tulimanu; fa'agaioiina vave i totonu ole 24 itula ma na'o le fa'aoga tasi; fa'aletonu le fa'aogaina o le IPA solo ma le 40-50x su'esu'ega fa'alautele. Mo PCB e lua itu, sui i le lipine fou a'o le'i faia le itu lona lua.

O lenei tusiga o loʻo tuʻuina atu ai taʻiala faʻapitoa i le puipuia o maanuminumi ile PTFE ie vevela maualuga ile taimi ole sintering. Maanuminumi e mafua ona o le le tutusa o le vevela ma le faʻalavelave faʻalavelave. O vaifofo e aofia ai le fa'aogaina atoa o galuega: fa'atonuga o meafaitino mata (fa'ato'a atuaxing/vevela fa'atulagaina e fa'aumatia ai le fa'alavelave i totonu); impregnation ma faʻamago (tele faʻapipiʻi manifinifi, faʻafefete malie vevela, taʻavale malosi); pulea ogaumu sintering (1-3% overfeed mo alauni shrinkage vevela, tapuni tapuni micro-tension pulea, transverse vevela uniformity i totonu ± 5°C, gradient preheating-sintering-maalili curve, ogaumu ea-flotation o se fofo sili ona lelei, curved spreader rollers); fa'alili ma fa'atūina (fa'alili fa'agesegese, fa'atumauina le sosolo se'ia o'o i lalo ifo o le 100°C, fa'amalie atoa a'o le'i fa'avili); mata'ituina i luga ole laiga ma su'esu'ega malamalama malosi ma su'esu'ega infrared.

O lenei tusiga o loʻo auʻiliʻili pe faʻafefea ona afaina ai le faʻaogaina o le fausaga o le PTFE ie vevela maualuga. Suiga e tutupu i itu e tolu: O le microscopic morphology e suia mai le lamolemole pei o le fa'ata i le ga'o gao'a fa'asilasila fa'asili fa'asili Ra/Rz fa'atauga, fa'atupuina 3D fausaga fa'amau taula mo so'oga mulimuli. O le fa'amalo fa'alava e feagai ma fa'alavelave: Fa'amama fa'alava o le PTFE, fa'atupuina le fa'aogaina o mea e le fa'apipi'i (e mafua ai le leiloa o mea totino e le o fa'amau, fa'asusu, ma fa'aitiitia le malosi fa'ainisinia), fa'atasi ai ma microcracks ma otaota.

O lenei tusiga o loʻo faʻaalia ai le faagasologa atoa o le faʻaogaina o le ie fiberglass i le PTFE emulsion. Laasaga autu e fitu: ① Fa'ata'ita'iga (dewaxing/desizing) i le 350-400°C e aveese ai mea e fa'alava ai ie; ② Emulsion faʻapipiʻiina ma le 40-55% faʻamautu mea faʻapipiʻi ma surfactants mo le faʻaleleia atili o le susu; ③ Impregnation e ala i le dip-oomi auala poʻo le fomaʻi faʻapipiʻi lau; ④ Fa'agogo ile 100-150°C e fa'amama malie ai le vai ma fa'atutu ai le ata PTFE mago; ⑤ Sintering i le 360-390°C (e oo atu i le 400°C) e liusuavai ai vaega ninii PTFE i ata tifaga faifai pea; ⑥ Fa'amago fa'amago-sintering fa'asolosolo fa'asolosolo 2-4 taimi e o'o ai le mafiafia fa'atatau ma mea e maua ai resini (45-65%); ⑦ Togafitiga pe a mae'a e aofia ai togafitiga o le korona, teuteu o le pito, fa'a'alili ma su'esu'ega lelei. Manatu autu e pulea: mae'a atuaxing, susu atoa emulsion, fa'agogo fa'agogo, sa'o le vevela o le sintering, ma le maualuga o le fa'alavalava. O oloa o lo'o tu'uina atu laminate fa'aofuina apamemea, fusi fe'avea'i vevela maualuga ma mea fa'apipi'i fausaga.

O lenei tusiga o loʻo aofia ai faʻataʻitaʻiga autu o faʻatinoga mo le PTFE maualuga-vevela lipine faʻaaogaina i le faʻapipiʻi gaogao, togafitiga vevela vevela ma siosiomaga tutusa. Mana'oga autu e matua'i ese lava mai le fa'aogaina o le ea: e sili ona taua le fa'aogaina o le gas (TML≤1%, CVCM≤0.1%; va'alele/va'aiga mata'utia mana'omia TML≤0.5%, CVCM≤0.01%); e tatau ona fa'amaonia le tete'e o le vevela mo mea uma e lua o le PTFE (260°C) ma le fa'apipi'i; e mana'omia le PSA silikoni fa'amama fa'apitoa e puipuia ai le fa'aleagaina o le siloxane; o le malosi o le taofiofi o le vevela maualuga e taofia ai le fetolofi ma le siiina o pito; O le mama e le mana'omia ai le fa'amaligiina o alava ma le maualalo o mea ionic; lipine fa'aanti-static (fa'asagaga i luga ole 10⁶-10⁹ Ω/sq) e taofia ai le fa'aleagaina o le ESD; plasma tetee e tatau ona iloiloina mo sputtering/PECVD faiga; fa'aitiitiga vevela i lalo ole 2% fa'amautinoa le sa'o o le masking.

O lenei tusiga o loʻo faʻaalia ai soʻomea faʻaola e mafai e le PTFE maualuga-vevela ie ona tatalia. PTFE-coated fiberglass 'ie fa'aalia ai le fa'aogaina o vaila'au fa'apitoa, e tete'e ai toetoe lava o so'o so'o masani masani i lalo o tulaga faigaluega masani e aunoa ma le fa'amavaeina, fula po'o le fa'a'ave'esea. O vaega fa'amalieina e aofia ai: 'ava malosi (methanol, ethanol, isopropanol), ketones (acetone, MEK, cyclohexanone), esters (ethyl acetate, butyl acetate), hydrocarbons (gasoline, toluene, xylene, hexane), halogenated hydrocarbons (dichloromethane, chloroideTH), ether carbon. acids (glacial acetic acid, formic acid), amines ma amides (triethylamine, DMF), phenols, ma isi e pei o le carbon disulfide, pyridine, suauʻu silicone ma le vai taofi.