Nin barokun in bɛ taabolo jɔnjɔn dafalen jira min bɛ kɛ ka fibreglasi finimugu don ni PTFE emulsion ye. Fɛɛrɛ jɔnjɔn wolonwula : 1 A furakɛcogo ka kɔn (dewaxing/desizing) la 350-400°C la walasa ka finimugu bonyafɛnw bɔ; 2 Emulsion formulation ni 40-55% solide hakɛ bɛ a la ani surfactants walasa ka jisigicogo ɲɛ; 3 Aw bɛ kɔnɔbara don a la ni dip-squeeze fɛɛrɛ ye walima ni dɔgɔtɔrɔ ka nɛgɛdaga dacogo ye; 4 Aw bɛ a ja 100-150°C la walasa ka ji labɔ dɔɔni dɔɔni ani ka PTFE filimu jalen kɛ; 5 Aw bɛ sɔgɔsɔgɔ 360-390°C (fo ka se 400°C ma) walasa ka PTFE fɛnɲɛnamafagalanw wuli ka kɛ filimu ye min bɛ to senna; 6 Siginiden caman-jalen-sintering segin-segin siɲɛ 2-4 walasa ka se laɲini janya ma ani resin hakɛ (45-65%); 7 Furakɛli kɔfɛ, koronawirisi furakɛli, dakun tigɛcogo, winding ani jogo sɛgɛsɛgɛli sen bɛ o la. Kɔlɔsili yɔrɔw kolomaw : dewaxing dafalen, emulsion jilama dafalen, jalen dɔɔni dɔɔni, sintering funteni tigitigi, ani coating density basigilen. Fɛn minnu bɛ dilan, olu bɛ baara kɛ ni laminiw ye minnu bɛ kɛ ni nɛgɛ ye, minnu bɛ kɛ ni fɛn caman ye, minnu bɛ kɛ ka fɛnw ta minnu bɛ funteni caman sɔrɔ ani fɛnw ye minnu bɛ kɛ ni fɛn dilanni ye.

Nin barokun bɛ fɛnɲɛnamafagalanw jira, PTFE fini min bɛ funteni caman na, o bɛ se ka minnu muɲu. Fibreglasi fini min datugulen don ni PTFE ye, o bɛ kemikaliya baarakɛbaliya danfaralen jira, a bɛ se ka fɛnɲɛnamafagalanw bɛɛ lajɛlen kɛlɛ minnu bɛ sɔrɔ baarakɛcogo la, k’a sɔrɔ a ma wuli, ka funu walima ka kemikɛli kɛ. Jago minnu bɛ se ka muɲu, olu ye: alikɔliw (mɛtanɔli, etanɔli, isoporopanɔli), ketɔni (asetɔni, MEK, siklohɛksanɔn), ɛsitati (ɛtili asetati, butili asetati), idɔrɔkarɔbɔni (gazi, toluyɛni, zilɛni, hɛkɛsani), hidrɔkarbɔni halojeni (dikuloromɛtan, kulorofɔrimu, karɔbɔni tetaraklɔri), ɛtiriw (diɛtili etɛri, THF), asidi fɛnɲɛnamaw (asidi asetiki glasial, asidi foromiki), aminɛw ni amidiw (triethylamine, DMF), fenɔliw, ani fɛn wɛrɛw i n’a fɔ disulfure de carbone, piridine, tulu silikoni ani frein ji.

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.

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.

Nin fɛɛrɛ surun in min bɔra Jiangsu Aokai fɛ, o bɛ sɛgɛsɛgɛli kɛ cogo min na sintering funteni dɔgɔya kojugu walima min ka bon kojugu, o bɛ PTFE fini funteni caman tiɲɛ. Sintiri dɔgɔyali bɛ fɛnɲɛnamafagalanw to u kana wuli, o bɛ kɛ sababu ye ka mikro-porow, coating-substrate jɛɲɔgɔnya barikama, yɔrɔ gɛlɛnw, masin fanga jugu, ani nɔnɔ opaque yecogo. Ni funteni kojugu bɛ PTFE funteni tiɲɛni bila mɔgɔ la, ka pinɛw, bugunw, karilenw, ka kɛ jɛman ye ka kɛ nɛrɛmuguma ye, ani ka sisi toxicw bɔ. O dantɛmɛnen fila bɛɛ bɛ compactness, non-stick performance, flexibilité, insulation, ani dimensional stability tiɲɛ.

PTFE finimugu minnu bɛ funteni caman bɔ, olu bɛ dielektriki fanga caman fara ɲɔgɔn kan (a sabatilen don nɛnɛ kɔrɔ), -70°C fo 260°C funteni hakɛ, diɲɛ bɛɛ ka kemikɛli kɛlɛli (n’a ma fɔ nɛgɛ alkali wulilenw), yɔrɔ min tɛ nɔrɔ (a bɛ kirin bali), ka wuli kɛlɛli (fibreglasi barika bonya ni PTFE saniyalen ye), sɔgɔli fanga caman, sɔgɔsɔgɔninjɛ dɔgɔya (μ=0,05-0,1), ani V-0 tasuma hakɛ. Ni i y’a suma ni mika, lastikuw ani PTFE gazi saniyalenw ye, PTFE fini bɛ se ka fɛn caman sɛgɛsɛgɛ, ka baara kɛ, ani ka a janya sabati waati jan kɔnɔ. A ka ɲi kosɛbɛ transformateurs, moteur insulation, chimique flange sealing, ani semiconducteur minɛnw kama.

PTFE fini flakɛli sintering waati la, o bɛ a ɲini ka tension, temperature ani restraint control tigitigi de wajibiya. Fɛɛrɛ kolomaw : stenter masin (pin plates bɛ a bonya mara, ka weft dɔgɔyali bali), gradient temperature profile (a bɛ sumaya dɔɔni → 380-400°C minɛ → ka nɛnɛ dɔɔni dɔɔni 310°C duguma sani ka tension bila), substrat pre-shrunk (a bɛ weaving stress bɔ sani a ka fini), ani coating thickness uniform (a bɛ differential melting bali). Stenter restraint ka kan ka mara fo ka se nɛnɛ ma PTFE kristali yɔrɔ jukɔrɔ (310°C ɲɔgɔn) walasa ka warpage bali.

Coating uniformity during PTFE emulsion impregnation of fibreglass fabric ye fɛn dilannenw ka ɲɛnamaya sira ye. Dacogo kelen tɛ sababu ye: a tɛ nɔrɔ (a bɛ nɔrɔ yɔrɔ finmanw na), masinw barika dɔgɔyali (degun hakɛ, a tigɛcogo), kuran basigibaliya (a tiɲɛni wulicogo bɛ jigin ka se 1/10 ma), kemikoro doncogo (pinhole corrosion), hakɛ koɲɛw (warpage), ani baarakɛcogo juguw (cɛsirili yaala, a janya caman ɲɔgɔnna). Datugulan kelen bɛ emulsiyɔn sɔgɔli, a kɔnɔfɛnw, finimugu sɔgɔli, sɔgɔsɔgɔninjɛ yɔrɔw, ani jalen/sintering profiles multi-zone (yɔrɔ caman jalen/sintering profiles) kɔlɔsili tigitigi de wajibiya.

PTFE fini min ka funteni ka bon, o bɛ kɛ cogo naani na a jɔcogo caman cili la ni funteni bɛ wuli: 260°C duguma – micro-cracking slow ani residual additive volatilization ni 327°C (a wuliyɔrɔ) – jiginni kristali ka kɛ amorfu ye, finimugu bɛ nɔgɔya, ka delamina ka bɔ fibreglasi la; 400-500°C – PTFE bɛ depolimɛri (a bɛ gazi toxicw bɔ), finimugu bɛ tunun; sanfɛ 500°C – fibreglasi bɛ nɔgɔya (840°C nɔgɔyɔrɔ) ani a bɛ bɔnɛ a jɔcogo dafalen na. Aw bɛ to 260°C duguma ka taa a fɛ, aw kana >300°C kuncɛw sɔrɔ walasa ka baara kɛ cogo la min tɛ mɔgɔ tɔɔrɔ.