2026-07-24 sàn
Nin barokun bɛ kuma PTFE fini funteniman baarakɛcogo kan fibre carbone flakɛminɛnw na. Compression molding : a bɛ bila mɔliw ni prepregs cɛ ka epoyi resin nɔrɔli bali, o bɛ kɛ sababu ye ka demolding nɔgɔya; sanwiye kɛ panɛri finman caman cɛ walasa u kana ɲɔgɔn nɔrɔ ɲɔgɔn na. Vacuum bag molding : filimu bɔli min bɛ se ka baara kɛ kokura prepreg ni breather fini cɛ, o bɛ a to gazi/resin ka tɛmɛ ka sɔrɔ ka a to a bɛ se ka a bɔ nɔgɔya la furakɛli kɔfɛ; textured side bɛ surface texture fine transfert walasa ka bonding roughness ɲɛ, ka sanding ban. A dilanni bɛ to sen na : fɛnɲɛnamafagalan minnu tɛ sɔgɔ, olu bɛ prepregs ta ka tɛmɛ funteni/ digi yɔrɔw fɛ; cushion layer bɛ degun tila ɲɔgɔn na ka sigida indentations dɔgɔya.
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2026-07-24 sàn
Nin barokun in bɛ tasuma furakɛli kɛcogo sɛgɛsɛgɛ PTFE sanfɛla caman cili la ani ka a nɔw suma ni korona ni joli furakɛli ye. A kɛcogo : tasuma bɛ se ka PTFE sɛmɛntiya nka a man teli ka kɛ iziniw kɔnɔ — lakana faratiw (PTFE bɛ tiɲɛ ka HF toxic ni perfluoroisobutylene bɔ); baarakɛcogo dan ye (surface energy dɔrɔn 30-35 mN/m, a bɛ dancɛ barikama dilan). Baarakɛcogo : tasuma — oksidan min bɛ kɛ waati kunkurunnin kɔnɔ funteni caman na (>1000°C), etching dɔɔni, oksizɛni kulu damadɔ; corona — tension caman bɔli bɛ ozɔni/oxygène actif lase, oksidan nɔgɔman, fanga dɔgɔyali tɛ se ka CF jɛɲɔgɔnyaw tiɲɛ ; plasma — fanga caman bɛ fɛnɲɛnamafagalanw/ɛlektrɔni/radikali hɔrɔnyalenw na, olu bɛ CF jɛɲɔgɔnyaw tigɛtigɛ ka ɲɛ ani ka polar kuluw (hidroksili, karɔkisili, amino) tigɛ.
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2026-07-23 sàn
Nin barokun bɛ kuma cogo min na ka kɛɲɛ ni finimugu masin layini teliya ni foro janya bɛnkan ye walasa ka a jira ko organosilicone nɔrɔlen bɛ se ka furakɛli hakɛ laɲininen sɔrɔ PTFE kaseti funteni caman na. Sariyasen min bɛ bɛn ɲɔgɔn ma : sigiyɔrɔ bɛɛ lajɛlen t_total = foro janya nafama L ÷ layini teliya v man kan ka dɔgɔya ni furakɛli waati wajibiyalen fitinin ye. Aw bɛ furakɛli jogo sɔrɔ DSC walima furakɛli sɛgɛsɛgɛliw fɛ minnu bɛ kɛ ni nɛgɛ ye minnu bɛ 'funteni — furakɛli waati fitinin' jɛɲɔgɔnya sigi sen kan. Furakɛli dalajɛlen modɛli min bɛ bɛn ɲɔgɔn ma : aw bɛ foro tila yɔrɔw la, ka ti=Li/v ni tcure(Ti jate), ka a lajɛ ko ∑(ti/tcure(Ti)) ≥1. Jateminɛ kɛcogo : funteni yɔrɔw sigi minnu janya ye Li ani funteni hakɛ Ti ye; set line speed v, ka zone kelen-kelen bɛɛ sigiyɔrɔ waati ni a ka dɛmɛ hakɛ jate; aw bɛ segin-ka-bɔ fo ka se a bɛɛ lajɛlen ≥1 ma (lakanani hakɛ 1,1-1,2 bɛ fɔ).
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2026-07-23 sàn
Nin barokun in bɛ PTFE ka baarakɛcogo ɲɛfɔ thermal insulation cladding kɔnɔ misiri motɛriw kama. Fɛɛrɛ naani : Endothermique decomposition — PTFE bɛ depolimɛri kɛ ~400°C la ka kɛ tetrafluoroethylene ye (endothermique kosɛbɛ, ~3000°C jenini gazi bɔli), ka funteni belebele minɛ ani ka funteni fanga bɔ kogo sanfɛ. Transpiration cooling ani gas film insulation — gazi minnu bɛ toli (tetrafluoroethylene) bɛ don kɛnɛma ka tɛmɛ micro-pores fɛ, ka surface funteni bɔ; gazi filimu min bɛ woyo, o bɛ gazi jenilen funteni caman bɔ kogo la, ka kogo kɛrɛfɛ funteni jiginni dɔgɔya ni >50% ye; gazi filimu bɛ dancɛw teliya/funteni sɛmɛntiya, ka fɛnɲɛnamafagalanw sɔgɔli nɔgɔya.
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2026-07-23 sàn
Nin barokun bɛ kuma gama-ray (gama-ray) nɔ minnu bɛ PTFE jɔcogo n’a nafaw kan. Fɛnɲɛnɛmaw jɔcogo bɛ Changé : gamma rays bɛ CC cakɛda kunbabaw ni CF kɛrɛfɛ cakɛdaw kari (G-value 3.0-3,5), o bɛ kɛ sababu ye ka cakɛda tigɛ kosɛbɛ ani ka molekiyɔmu girinya dɔgɔya kosɛbɛ oksizɛni kɔnɔ, radikali hɔrɔnmaw bɛ perokisi radikaliw dilan minnu bɛ fluoride asili ni asidi karɔbɔliki laban kuluw don (ji bɛ kɛ HF ye). Condensed structure bɛ Changé : cristalline bɛ wuli a daminɛ na (dose dɔgɔya, cakɛda surunw bɛ labɛn kokura) o kɔfɛ a bɛ bin (dose ka bon, defectes bɛ cristals tiɲɛ); lamellar kristalɛw bɛ tila ka kɛ kristali misɛnninw ye ni yɔrɔjan sigicogo tununen ye. Nafolo tiɲɛni : janya kari waati bɛ dɔgɔya ka bɔ 0,1 kGy fiɲɛ na, ka bɔnɛ >90% na ~1kGy — fɛn bɛ kɛ fɛn gɛlɛn ye ani ka kari; a wuliyɔrɔ bɛ jigin ka bɔ 327°C la ka se 310°C duguma; polar kuluw bɛ dielektriki sabatili/bɔnɛ kɔrɔta dɔɔni; yɔrɔ bɛ Changé ka bɔ finman na ka kɛ gris/black ye ni gloss bɔnɛ ye.
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2026-07-22 sàn
Nin barokun bɛ kuma fɛɛrɛw kan minnu bɛ kɛ ka PTFE finimugu kristali kɔlɔsi Teflon fini kan min funteni ka bon. Nɛnɛ hakɛ labɛnni bɛ ɲɛsin kosɛbɛ wa a bɛ nɔ bɔ kosɛbɛ: Nɛnɛ teliya (a fagali) fiɲɛ nɛnɛ ridow fɛ, nɛnɛbɔlanw walima jidagayɔrɔw fɛ — cakɛda molekiyɔmuw bɛ nɛnɛ sani u ka labɛn cogo yamaruyalen na, ka kristalɛ misɛnninw dilan minnu tɛ dafa finimugu ka nɔgɔn, a ka gɛlɛn ni baarakɛcogo ɲuman ye min tɛ nɔrɔ, a gɛlɛya/sɔgɔli bɛ dɔgɔya dɔɔni. Nɛnɛ dɔɔni (anɛnɛ) funteni marali yɔrɔ fɛ 10-50°C/h walima foro nɛnɛ — cakɛda molekilɛriw bɛ labɛn ka dafa ka kɛ sɛrɛkili dafalen belebelebaw ye; finimugu ka gɛlɛya ka bon, a bɛ se ka sɛgɛn kosɛbɛ, a bonya sabatilen don, a bɛ dɔgɔya ka sɛgɛsɛgɛli kɛ ani ka dɔ fara a kari kan.
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2026-07-22 sàn
Nin barokun bɛ kuma Teflon finimugu kɛli kan fiɲɛ sumalen lamini sintering forow kɔnɔ. A kɛcogo : a bɛ se ka kɛ i n’a fɔ fɛn min tɛ nɔrɔ nɛgɛ cɛsirilanw walima sanubɔlanw kan ni foro funteni ye ≤260°C (jalen funteni dɔgɔyalen na, sirilan bɔli, sɔgɔsɔgɔninjɛ furakɛli) — o bɛ demolding ni picking baarakɛcogo ɲɛ. A dagalen don kosɛbɛ funteni cɛmancɛ/kɔrɔlen na (300-950°C) — PTFE bɛ tiɲɛ ka HF baga ni perfluoroisobutylene bɔ, ka minɛnw tiɲɛ ani ka baga faga. Lakanali sariyakolo : ni foro funteni ma jɛya walima ni a tɛ se ka kɛ ko a bɛ 260°C duguma, aw kana a kɛ. Nafolo kolomaw : baara kɛli banbali -70°C fo 260°C, waati kunkurunnin kɔnɔ 300°C; a tɛ nɔrɔ kojugu ani kemikɛli ka baarakɛbaliya kojugu; kuran sɛnɛcogo ɲumanba; sɔgɔsɔgɔninjɛ dɔgɔyalen (~0,04); fibreglasi basigilen bɛ sɛgɛn fanga caman di.
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2026-07-22 sàn
Nin barokun in bɛ danfara minnu bɛ infirɛri fiɲɛbɔli ni fiɲɛ sumalen lamini sumaya furakɛli fɛɛrɛw cɛ, olu suma ɲɔgɔn na silikɔni nɔrɔlenw ka sigicogo kelen-kelen kan. Funteni jiginni fɛɛrɛw : fiɲɛ sumalen bɛ a jigi da convection-conduction kan ni funteni jiginni nɔgɔman ye, kɔnɔna/kɛnɛma funteni danfara fitinin; IR ka doncogo juguman dan ye ni sanfɛla minɛni barikama ye (mikɔrɔmɛtɛrɛ tan fo kɛmɛ) min bɛ sanfɛla-ka-kɔnɔna jiginni gɛlɛnw Dabɔ. A nɔ minnu bɛ sɔrɔ ɲɔgɔndan kelen na : fiɲɛ sumalen bɛ se ka kɛ sababu ye ka furakɛli kɛ ɲɔgɔn fɛ kɔnɔna ni kɛnɛma ni ɲɔgɔndan density kelen ye; IR bɛ kɛ sababu ye ka sanfɛla lamini teliya ka 'farifilimu' dense dilan min bɛ funteni taabolo ni kɔnɔna cakɛda lamaga bali, o bɛ kɛ sababu ye ka crosslink density dɔgɔya ka bɔ surface la ka taa kɔnɔna na.
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2026-07-21 sàn
Nin barokun bɛ kuma layini teliya hakɛ danmadɔ kan Teflon finimugu impregnation production line funteni caman na. Teliya hakɛw : fɛn finman kɔrɔlenw (0,08-0,30mm) ni mɛtɛrɛ 0,5-3 ye miniti kɔnɔ, u bɛ sabati ni mɛtɛrɛ 1-3 ye miniti kɔnɔ; fɛn minnu ka bon/min falen don caman na (≥0,4mm) ni u hakɛ ye mɛtɛrɛ 0,3-1 ye miniti kɔnɔ; layini minnu bɛ baara kɛ kosɛbɛ ni foro janw ye, olu bɛ se ka se mɛtɛrɛ 3-6 ma miniti kɔnɔ nka u bɛ minɛnw de wajibiya. Taabolo gɛlɛyaw : jalen ni sɔgɔli bɛ sigi waati de wajibiya (PTFE mago bɛ miniti 1-3 la 380-400°C la; a dafabaliya bɛ na ni nɔrɔli/karibaliya ye); teliya bɛ latigɛ ni jalen/sintering waati fitinin ye foro janya basigilen kɔnɔ. Fɛnɲɛnɛmako gɛlɛyaw : fɛn gɛlɛnw/fɛnɲɛnamafagalanw jɛnsɛnni minnu ka bon, olu bɛ don dɔɔni dɔɔni; finimugu/finimugumanw bɛ ji minɛ ka funteni bila dɔɔni dɔɔni; fini belebelebaw minnu ka teli ka danfara don u ni cɛmancɛ kulɛriw la minnu bɛ teliya dɔgɔyali wajibiya. Minɛnw ni jogoɲumanya jagokɛcogo : foro jan minnu bɛ kɛ yɔrɔ caman na, olu bɛ teliya ka caya.
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2026-07-21 sàn
Nin barokun in bɛ danfara minnu bɛ PTFE emulsiyɔnw ni ɲɔgɔn cɛ minnu bɛ dilan ni suspension polymerization ye ni dispersion polymerization ye. Ɲɛfɔli : polimerizasiyɔn suspension tɛ se ka PTFE emulsion dilan k’a ɲɛsin a yɛrɛ ma; PTFE emulsiyɔn lakika bɛ bɔ dispersion polimerisation dɔrɔn de la. 'Suspension-method emulsion' ye tiɲɛ na ji suspension ye dugukolo suspension-polymerisé resin micropoudres. Dispersion polymerisation (emulsion primaire): fɛnɲɛnamafagalanw (0,1-0,3μm, distribution narrow), minnu sabatilen don ni perfluorinated surfactants ye, u girinya ka bon kosɛbɛ (>94% cristallinité), fibrillation barikama, o bɛ 380°C sintering de wajibiya walasa ka filimu gɛlɛn banbali dilan.
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