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. Sintering dɔgɔyali bɛ fɛnɲɛnamafagalanw to u kana wuli, o bɛ kɛ sababu ye ka micro-pores, coating-substrate bonding barika sɔrɔ, surface gɛlɛnw, masin fanga man ɲi, ani nɔnɔ opaque yecogo. Ni funteni kojugu bɛ PTFE ka funteni tiɲɛni bila mɔgɔ la, ka pinɛw, bugunw, kari, ka kɛ jɛman ye ka kɛ nɛrɛ ye, ani ka sisi toxic 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 kemikaliya kɛlɛli (n’a ma fɔ nɛgɛ alkali wulilenw), yɔrɔ min tɛ nɔrɔ (a bɛ sɛgɛn 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 emulsion sɔngɔko bɛ nɔ bila fɛnw na izini cakɛda bɛɛ kɔnɔ. Sanfɛ musakaw (fluorite bɔli, nɛnɛfɛnw hakɛ R22) bɛ sɔngɔ basigilen sigi sen kan. Jiginni ɲinini ka bɔ litiyamu batiri sirilanw na, o de ye bonya sababu fɔlɔ ye. Fɛn minnu bɛ sɔrɔ (sɛnɛfɛnw dilanni hakɛw, iziniw ladonni) ani fɛn dilannenw ka ɲumanya (fɛn gɛlɛnw, fɛnɲɛnamafagalanw hakɛ, saniya hakɛ) bɛ sɔngɔw dabɔ. Lamini sariyaw (PFOA/PFAS dantigɛliw) bɛ sariya labatoli musakaw kɔrɔta. Logistiki (cold-chain transport) bɛ musaka caman fara a kan. Sɔngɔko taabolo bɛ tugu hakilina jɔnjɔn dɔ kɔ : fluorite/asidi hydrofluorique musakaw = duguma; fanga kura batiri ɲinini = taabolo siratigɛ; baarakɛcogo hakɛw ni politikikow = waati kunkurunnin kɔnɔ fɛnw jiginni sababuw.

PTFE kase min bɛ kɛ ka kemikɛli pipe/minɛnw tanga sɔgɔsɔgɔninjɛ ma, min tɛ nɔrɔ, ani min bɛ datugu, o bɛ a ɲini ka kɛ fɛn ye min bɛ bɛn substrat, adhesive system, ani kemikɛlifɛnw ma. Silikoni PSA ka ɲi ka kɛ 200-260°C la ni asidi/alkali ye; akiriliki PSA bɛ fɛnɲɛnamafagalanw kɛlɛ nka a bɛ dan sigi funteni na fo ≤150°C. Ni HF, ka tobi >80% alkali, walima kulori trifluoride, aw bɛ PTFE dɔrɔn de kɛ (a tɛ kɛ ni fɛnɲɛnamafagalan ye). Kɔrɔlen : nɔrɔlan ye fɛn barikama ye, a tɛ PTFE yɛrɛ ye.

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 fini 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 nafama (cɛsirilan yaala, a janya caman ɲɔgɔnna). Datugulan kelen bɛ emulsiyɔn sɔgɔsɔgɔli, a kɔnɔfɛnw, finimugu tension, squeeze gaps, ani multi-zone drying/sintering profiles kɔlɔsili tigitigi de wajibiya.

PTFE kase minɛ fanga bɛ ɲɛ ka tɛmɛn coating ni curing process optimization fɛ. Datugulan : primer layer (0,5-2μm silane primer bɛ nɔrɔlen bɔli bali), nɔrɔlen janya 30-60μm (a ka fisa ka fanga minɛ), vacuum defoaming, ani 5-10μm filtration. Kɛnɛya : ka a sumaya senfɛ-senfɛ (80-100°C furaji bɔli → 120-140°C cogoya → 150-220°C jugumanba sɔgɔli), kɛnɛyali kɔfɛ (40-60°C fo lɛri 24-48 walasa ka degunw lafiya), ani ka taa ni tension dɔgɔman ye walasa ka kɔnɔna degun bali ka bɔ substrat dɔgɔyali la. Primer nafa ka bon PTFE ka sanfɛla fanga dɔgɔyali la.

PTFE fini min funteni ka bon, o bɛ kɛ cogo naani na, a jɔcogo caman bɛ ɲɔgɔn falen ni funteni bɛ wuli: 260°C duguma – micro-cracking slow ani residual additive volatilization ni 327°C ye (a wuliyɔrɔ) – jiginni ka kɛ kristali ye 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 to sen na, aw kana >300°C kuncɛw sɔrɔ walasa ka baara kɛ cogo la min tɛ mɔgɔ tɔɔrɔ.

PTFE fini min funteni ka bon, o bɛ dilan ni jisuma ye siɲɛ kelen (tɛmɛsira kelen: a bɛ teliya, a musaka ka dɔgɔ, a bɛ kɛ finimugu finman ye, a yɔrɔ ka gɛlɛn ni pinɛw ye) walima ni a bɛ kɛ ni ji caman ye (tɛmɛsira 2-3+: finimugu nɔgɔlen, denso, pinɛw tɛ min na, PTFE hakɛ 50-70%, baarakɛcogo ɲuman, musaka ka bon). Single-dip bɛ bɛn gaziw ma minnu ka dɔgɔ, waati dɔɔnin matarafalenw ani fɛnw minnu bɛ ninakili. Multi-dip ka kan ka kɛ dumunikɛminɛnw na, dumunikɛminɛnw na minnu tɛ nɔrɔ, circular substrates high-frequency circuit substrates, kemikoro liners, ani architectural membranes.

PTFE fini sanfɛla furakɛli min bɛ funteni caman kɛ, o bɛ kemikɛli inertness tiɲɛ walasa ka bonding/printing kɛ. Fɛɛrɛ naani : kemikɛli kɛcogo (sodium-naphthalene, surface energy 20→40-50 dyn/cm, dibi layer permanent, micro-porous structure), plasma furakɛli (nano-roughening, functional group grafting, short active window), corona furakɛli (film finman, toli teliya la, a jugumanba danma), ani laser furakɛli (micro-patterning précision, carbonisation contrôlée). Fɛɛrɛ bɛɛ bɛ farikolo gɛlɛya ani ka polar kuluw (C=O, -OH, -COOH) don a kɔnɔ ni kemikɛli ye walasa ka se ka nɔrɔ ɲɔgɔn siri.