Nin barokun in bɛ kuma Teflon fini funtenimanba (PTFE-coated fibreglas fabric) kɛcogo kan sanfɛla la. Baarakɛyɔrɔ kolomaw : Fɛnɲɛnamafagalanw dilanni — fini/filimu bɔli otoklaviw dilanni na, isolation layers, conveyor belts minnu ka funteni ka bon walasa ka prepreg dilanni kɛ Motɛri ni funteni caman lakanani — funteni-bɔlanw, tasuma-fanga-minɛnw, funteni caman ɲɔgɔndan minnu bɛ se ka wuli; Kuranko ni nɛgɛdaga lakanani — kabali sirili motɛri yɔrɔw la ani jiginɛw kɔnɔ; Avion kɔnɔna ani tasuma lakanani — tasuma ridow/sisi barikalan minnu bɛ FST sariyaw dafa, funteni/mankan tangalanw blanket cladding; Yɔrɔ ni sanfɛla baarakɛcogo — insulasi caman (MLI) lajɛlenw, tulubɔlanw minnu bɛ nɛnɛ kɛlɛ, minnu bɛ kɛ ka tile pannew bilali fɛɛrɛw ani antɛni charnières, funteni kɔlɔsili fini.

Nin barokun bɛ a ɲɛfɔ cogo min na PTFE dacogo bɛ siri fibreglasi fini substrate la Teflon fini na min funteni ka bon. Kemikɛli jɛɲɔgɔnya tilennen tɛ se ka kɛ k’a sababu kɛ PTFE ka sanfɛla fanga dɔgɔyalenba ye. Jɛɲɔgɔnya bɛ kɛ ni ninnu ye: Masina ɲɔgɔndan (farikolo sirili) — PTFE emulsiɔn bɛ don fiyɛri yɔrɔw la ka fiɲɛ fɛnɲɛnamafagalanw minɛ sintering kɔfɛ; Silane coupling agent pretreatment — a bɛ molekiyɔmu bridge dilan gilasi fibres inorganiques ni primer organique cɛ; Chemical primer transition layer — ka PAI, PPS, PES walima PEEK resinw kɛ ni PTFE micropowder ye, ka a kɛ coupling furakɛli kɔfɛ walasa ka transition layer barikama dilan; Filimu nɔrɔlenw lamini ni funteni ye — FEP walima PFA filimuw (furuyɔrɔ 260-310°C) bɛ PTFE filimu minnu dilannen don ka kɔn, olu siri fini na; Gradient structure via multiple impregnation and sintering cycles — dilute first pass with binder/coupling agent bɛ don fibres kɔnɔ ka taa a fɛ, o kɔfɛ PTFE impregnations saniyalenw bɛ kɛ, ka gradient compositional da ka bɔ fibreglasi la ka taa PTFE saniyalen na.

Nin barokun bɛ kuma cogo min na Teflon fiyɛta (PTFE) kasɛti min bɛ fiɲɛ bila, o ka sigicogo mikroporozɛni bɛ fiɲɛ doncogo ni insulasi ni a tɛ nɔrɔ cogo min na, o bɛ bɛn ɲɔgɔn ma. Core conflict : fiɲɛ doncogo bɛ da wulilenw de wajibiya, ka sɔrɔ insulasi bɛ density de wajibiya ani non-stick bɛ yɔrɔ nɔgɔlenw de wajibiya. Dilancogo balannenw : ka poroze cɛmancɛ hakɛ kɔlɔsi (0,1-2μm, a ka fisa <0,5μm) walasa ka bɔgɔdaga doncogo bali ani ka tiɲɛni tension mara; porosité kɔlɔsili 50-70% (≈60% optimal) ka Gurley 20-100s/100cc sɔrɔ ani dielektriki fanga ≥2kV filimu 0,13mm kama; ka 3D rezo pores structure (τ≈2.5-4) ta min ka tortuosity high-tortuosity (τ≈2.5-4) walasa ka jibɔ sira tilennenw damatɛmɛ; ka pores structure asymétrique gradient jɔ ni dense surface layer (1-5μm) ye walasa ka non-stick/insulation ani porous kɔnɔna na walasa ka ninakili sɔrɔ; aw bɛ super-oleophobe/hydrophobique surface kɛ furakɛli kɔfɛ ka sɔrɔ a ma pores block.

Nin barokun in bɛ fɛɛrɛ sigilenw di walasa ka nɔrɔlenw tolenw ni nɔrɔlenw joli bali ni aw bɛ baara kɛ ni PTFE kaseti ye min funteni ka bon walasa ka PCB sanu bolokɔniw lakana SMT lajɛ waati. Sababu jujɔ sɛgɛsɛgɛli : tolen bɛ sɔrɔ jɛɲɔgɔnya dɛsɛ fɛ walima fɛnw ni ɲɔgɔn cɛ jiginni fɛ; joli bɛ bɔ viscosity drop ani adhesive overflow fɛ reflow heat kɔrɔ. Fura koloma ye kaseti sugandili ɲuman ye: silikoni PSA min kuntaala surun ≥300°C, min bɛ to senna ≥260°C, a janya bɛɛ lajɛlen ye milimɛtɛrɛ 0,08-0,13 ye ni nɔrɔlan finmanw ye minnu bɛ ɲɔgɔn minɛ kosɛbɛ, ani seereyaw min tɛ joli/tolenw kɛlɛ. Taabolo kɔlɔsili fɛɛrɛ wɔɔrɔ : saniya ka kɔn lamini ɲɛ ni IPA ye ; zeru-tension lamination ni fiɲɛ bɔli dafalen ye; reflow funteni hakɛ ɲɛnabɔlen ni funteni nɔgɔman ye (<2°C/s); nɛnɛba bɔli 50°C duguma ni 180° ye; baara teliya la sanga 24 kɔnɔ ani baara kɛli siɲɛ kelen dɔrɔn; dɛsɛ furakɛli ni IPA wiping ani 40-50x magnifier sɛgɛsɛgɛli ye. Ni PCB fan fila bɛ u la, aw bɛ u falen ni kaseti kura ye sani aw ka kɛ fan filanan baara la.

Nin barokun in bɛ bilasirali kɛcogo sigilen di PTFE fini funtenimanba kan kurukuruw kunbɛnni kan sintering waati. Kurukuruw sababu jɔnjɔn ye funteni dɔgɔyali ye min tɛ kelen ye ani degun min tɛ bɛn ɲɔgɔn ma. Fɛnɲɛnɛmaw bɛ baara kɛcogo dafalen dafa : fɛn fɔlɔw substrat kɔlɔsili (dewaxing/heat setting dafalen walasa ka kɔnɔna degunw bɔ yen); impregnation ani drying (coating finman caman, funteni jiginni nɔgɔman, active drive rollers); sintering furnace control (1-3% overfeed for thermal shrinkage allowance, closed-loop micro-tension control, transverse temperature uniformity within ±5°C, gradient preheating-sintering-cooling curve, fiɲɛ-flotation forow i n’a fɔ fura ɲuman, spreader rollers kurulenw) nɛnɛ ni sigili (nɛnɛ dɔɔni dɔɔni, ka a jɛnsɛnni mara fo ka se 100°C duguma, ka nɛnɛ dafalen kɛ sani a ka wuli); ɛntɛrinɛti kɔlɔsili ni yeelen sɛgɛsɛgɛli barikama ye ani infirɛri sɛgɛsɛgɛli.

Nin barokun in bɛ nɛnɛ hakɛ wajibiyalenw ɲɛfɔ PTFE finimugu sɔgɔli waati la. Sintiri kɔfɛ 380-400°C la, fini ka kan ka tɛmɛ teliya la 310-315°C kristali-sensitive zone fɛ. Nɛnɛ hakɛ min bɛ fɔ, o ye 30-50°C ye miniti kɔnɔ (finimugu finman bɛ se ka se 100-200°C/min ma fiɲɛ nɛnɛ fɛ). Nɛnɛ teliya (quenching) bɛ kristali dɔgɔya (45-50%), o bɛ kɛ sababu ye ka finimugu nɔgɔlenw, gɛlɛnw sɔrɔ minnu ɲɛw bɛ nɔgɔya, u bɛ nɔrɔ kosɛbɛ, a bɛ baara kɛ cogo ɲuman na min tɛ nɔrɔ, ani a bɛ se ka delamination ni cracking kɛlɛ. Nɛnɛ dɔɔni (foro nɛnɛ) bɛ na ni kristali caman ye (60-70%), o bɛ kɛ sababu ye ka finimugu gɛlɛnw, karilenw kɛ minnu ka teli ka dɔgɔya, ka sɔgɔsɔgɔ ani ka fɛn fitininw kari.

Nin barokun bɛ silikoni tansiyɔn-sɛgɛsɛgɛli nɛgɛma min bɛ kɛ PTFE kaseti la, o kɔgɔli so funteni ni funteni caman na. Funteniba kɔgɔli (120-180°C) bɛ rezow dilan minnu bɛ ɲɔgɔn cɛ, minnu fanga ka bon, o bɛ nɔrɔli tolenw bali u bɔli kɔfɛ. A bɛ kemikɛli jɛɲɔgɔnyaw kɛ ni PTFE substrates ye primer co-curing fɛ, o bɛ delamination faratiw ban. Funteniba kɔgɔli fana bɛ fɛnɲɛnamafagalanw bɔ minnu ka dɔgɔn sani jiginni ka kɛ, o bɛ bugun ni silikoni tulu nɔgɔli bali funteni fɔlɔ waati.

Nin gafe in bɛ PTFE kasɛti sugandili kan min ka funteni ka bon pikirijikɛlan demolding ni anti-stick baarakɛcogo la. Sugandili min sinsinnen bɛ funteni kan : ≤260°C plastiki caman na (silikon PSA kase standard, 0,13-0,18mm); 260-300°C ka ɲɛsin ɛntɛrinɛti plastikiw ma minnu ka funteni ka bon i n’a fɔ PC, PA66, POM (silikɔni nɛgɛ min bɛ funteni caman bɔ, 0,18-0,25mm); 300-400°C la PEEK, LCP, PPS la bolibaga funtenimanw kɛrɛfɛ (nɔrɔli kaseti bɛ dɛsɛ; aw bɛ PTFE fini walima PFA filimu kɛ ni nɔrɔli tɛ min na). Sugandili min sinsinnen bɛ fɛnw kan : fɛn nɔrɔlenw mago bɛ PTFE saniyalenw yɔrɔw la minnu bɛ bɔ kosɛbɛ; galasi/minɛriw falenfɛnw bɛ 0,25mm+ kaseti gɛlɛnw de wajibiya min bɛ se ka sɛgɛn; farafinfura minnu bɛ sɔgɔsɔgɔ, olu bɛ nɔrɔli ni substrat dense de wajibiya min bɛ se ka kɛlɛ kɛ kemikoro la; baarakɛcogo minnu bɛ se ka kɛ statiki ye, olu mago bɛ PTFE kaseti nɛrɛma anti-statique la.

PTFE fini min bɛ se ka wuli kosɛbɛ, min funteni ka bon, o bɛ dilan ni PTFE dali ye fibreglasi fini kan min fanga ka bon, o bɛ sɛgɛn fanga di, ka funteni kɛlɛ, ka a tɛ nɔrɔ, ka kemikɛli kɛlɛ, ani ka sɔgɔsɔgɔ dɔgɔya. Baarakɛcogo jɔnjɔnw ye : izini fɛnw lasecogo (funteni-minɛnw foroko, dumuni tobili, fini jalenw, papiye/filimu ja); fini min bɛ bɔ molding composite ye ani presse cushion liners minnu bɛ kɛ ni funteni ye; rido minnu bɛ mɔgɔ tanga sowli ma ani jakite minnu bɛ funteni tanga; kuran motɛri ni transformateur insulasi; birikiw ni pibiliki dɛmɛnanw jɔli; kemikɛli filɛli ni valve datuguli sigidaw la minnu bɛ sɔgɔsɔgɔ. Sɛgɛsɛgɛli fanga ka bon, o bɛ a to a ka muɲuli sɔgɔsɔgɔli, tigɛli, segin-ka-bɔnye kɔrɔ, ani funteni caman na masinw ka degun na nin baara gɛlɛn suguya caman na.

Sintirili waati, PTFE fɛnɲɛnamafagalan minnu bɛ fibreglasi fini kan, olu bɛ wuli ka tɛmɛ 327°C kan, ka cakɛda folilenw lamɛla fɔlɔw ni fɛnɲɛnamafagalanw dancɛw tiɲɛ walasa ka kɛ fɛn ye min tɛ fɛn ye. Ni a nɛnɛna, PTFE bɛ segin ka kirisita ka kɛ sɛrɛkiliw ye minnu bɛ kɛ ni lamɛli ye minnu ɲɛsinnen bɛ radiyali ma, ni kristali ye 50–70% ye. Nɛnɛ hakɛ bɛ kristalɛ dafalen dantigɛ: nɛnɛni dɔɔni dɔɔni bɛ kristali caman di, spherulite ka bon, a gɛlɛya ka bon; ni a fagali teliya la, o bɛ sɔgɔsɔgɔninjɛ finmanw di ani ka fɛn caman sɛgɛsɛgɛ.