Dis atikul de kɔba aplikeshɔn fɔ PTFE ay-tɛmpracha fabrik insay kabɔn fayba flat kɔmpɔzit prodak. Kɔmpreshɔn moldin: dɛn put am bitwin mold ɛn prɛpreg we de mek di epoxy rɛsin nɔ adheshon, we de mek i izi fɔ demolding; sandwich bitwin mכltipכl tin panεl dεm fכ avכyd mutual adhesion. Vacuum bag molding: riyuzable rilis film bitwin prepreg ɛn brith klos, alaw gas/rɛsin pas we i de mek i izi fɔ pul afta i dɔn wɛl; tεkschur sayd de tכnfכs fayn sכfayz tεkschur fכ impruv bכnd rכf, we de εliminet sanding. Kɔntinyu fɔ prodyuz: simlɛs nɔ-stik kɔnvaysɔ bɛlt dɛn kin kɛr prɛpreg tru ɔt/prɛs zon; kushכn layεr de distribyut prεshכn ivin we de ridyus lokaliz indentεshכn dεm.

Dis atikul de egzamin fisibiliti fɔ flaym tritmɛnt fɔ PTFE sɔfays modifyeshɔn ɛn kɔmpia ifɛkt wit korona ɛn plasma tritmɛnt. Fisibiliti: flaym kin modify PTFE bɔt dɛn nɔ kin yuz am ɔltɛm na industri — sefty risk (PTFE dekɔmpɔz we de rilis pɔyzin HF ɛn perfluoroisobutylene); pεrformεns limited (sכfayz εnεji כnli 30-35 mN/m, fכm wik bכnda layεr). di mεkanism dεm we dεn de wok: flaym — transiεnt hεy-tεmprachכ כksidεshכn (>1000°C), sכm εtch, fכ כksijεn grup dεm; korona — hεy vכltεj dischaj de jεnarεt ozon/aktiv כksijεn, mild כksidεshכn, lכw enεji dεnsiti nכ kin brok CF bכnd dεm; plasma — hεy-εnεji patikyula dεm/εlektrכn/fri radikal dεm de kכl CF bכnd dεm dεn wan dεm εn graft pכlar grup dεm (haydroksil, kכbכksiyl, amino).

Dis atikul de kɔba aw fɔ mach kɔtin mashin layn spid ɛn ɔvin lɔng fɔ mek shɔ se ɔrganosilikɔn adhesive rich target curing digri fɔ ay-tɛmpracha PTFE tep. Kor maching prinsipul: totכl rεsidεns tεm t_total = ifektiv כvin lεngth L ÷ layn spid v nכ fכ less dan di minimכm rikwayd kכryu tεm. כbtain di kכlכ kכntribyushכn via DSC כ adhesive kכryu tεst dεm we de establish 'tεmprachכ — minim kכryu tεm' rilayshכn. Ikwivalɛnt kumulativ kiyu mɔdel: divayd ɔvin insay zon, kɔlkul ti=Li/v ɛn tcure(Ti), mek shɔ se ∑(ti/tcure(Ti)) ≥1. Kכlkyulεshכn prosidכs: sεt tεmprachכ zon wit lεngth Li εn tεmprachכ Ti; set layn spid v, kɔlkul ɛni zon in rɛsidɛns tɛm ɛn kɔntribyushɔn rɛsɛshɔn; iterate te totכl ≥1 (sεfty margin 1.1-1.2 rεkomεnd).

Dis atikul de kɔba di wok dɛn we PTFE de du insay tɛmal insuleshɔn kladin fɔ mishɔl injin dɛn. fכ mεkanism dεm: εndotεmik dεkכmpכzishכn — PTFE de dipolimεrayz na ~400°C to tεtrafluoroethylene (hεli εndotεmik, ~3,000°C kכmכshכn gas εkspכzכn), we de abzכp big כt εn εkstrakt tεmכl εnεji frכm di wכl sεf. Transpireshכn kul εn gas film insulεshכn — dikomposishכn gas dεm (tεtrafluoroethylene) de pas autsay tru maykro-por dεm, we de pul di כt we di sכfayz de kכmכt; fכ fכlכ gas film de aylכt hεy tεmprachכ kכmכshכn gas frכm di wכl, we de ridyus nia-wכl hεt fluks bay >50%; gas film de modify bכnda layεr vεlositi/tεmprachכ, we de εliviet patikyula eroshכn.

Dis atikul de kכba di ifekt dεm we gama-ray irεdyushכn gεt pan PTFE strכkchכ εn prכpati dεm. di kεmikכl strכkchכ chenj dεm: gama rayt dεm de brok CC men chen dεm εn CF sayd chen dεm (G-valyu 3.0-3.5), we de mek big big chen scission εn drastik mכlikul wet dכp; insay oksijεn, fri radikal dεm de fכm pεrכksi radikal dεm we de introdכks asil fכrayd εn kכbכksilik asid εnd grup dεm (haydrolayz to HF). di kכndens strכkchכ de chenj: di kristכlin de go כp fכs (lכw dכz, sכt chen dεm de arenj bak) dεn de fכl (hכy doz, difεkt dεm de disrupt di kristכl dεm); di lamellar kristal dεm de fragmεnt to sכm sכm kristal dεm wit disappeared long-range order. di prכpati dεtεriכshכn: εlongeshכn we i bכn de dכn frכm 0.1 kGy insay εya, i de lכs >90% na ~1kGy — mεtirial de bi rigid εn brit; di mεlt pכynt de dכp frכm 327°C to dכn 310°C; polar grup dεm de rayz sכmtεm dielektrik kכnstant/lכs; di sכfayz de chenj frכm wayt to grey/blak wit glos lכs.

Dis atikul de kɔba di we dɛn fɔ kɔntrol di kristaliniti fɔ PTFE kɔtin pan Teflon ay-tɛmpracha klos. Kul rεt rεgulεshכn na mכst dayrekt εn ifektiv: Rapid kol (kεnch) via kol εya kכtεn, kul rכla כ wata tank — mכlikul chen dεm de friz bifo כda arenjmεnt, fכm sכm sכm sכm kristכl dεm we nכ pafεkt; kotin na saf, taf wit optimized non-stik pefomans, smɔl ridyus hadness/wear resistance. Slow kol (annealing) via hεt prεzεvεshכn sεkshכn na 10-50°C/h כ fכna kכl — mכlikul chen dεm fulכp εnjεn insay big komplit sfεrulayt dεm; kotin gɛt ay hadnɛs, ɔdasayz wear resistans, stebul dimɛnshɔn, ridyus fleksibiliti ɛn inkris brit.

Dis atikul de tɔk bɔt aw fɔ yuz Teflon ay-tɛmpracha klos insay ɔt-ɛya sirkuleshɔn sinta ɔfna dɛn. Fisibiliti: yu kin yuz am as nɔ-stik kusɛn pan mɛsh bɛlt ɔ trey we ɔfna tɛmpracha ≤260°C (lɔ-tɛmpracha drying, binder rimoval, slɔri curing) — impruv dimold ɛn pik efyushɔn. Striktli prohibit na midul/hay temperechur (300-950°C) — PTFE de dikɔmpɔz de rilis pɔyzin HF ɛn perfluoroisobutylene, we de kɔrɛkt di ikwipmɛnt ɛn mek pɔyzin we de kil pɔsin. Sefty prinsipul: if di ɔfna in tɛmpracha nɔ klia ɔ dɛn nɔ ebul fɔ gi garanti fɔ am dɔŋ 260°C, nɔ yuz am. Kor prɔpati dɛm: kɔntinyu savis -70°C to 260°C, shɔt tɛm 300°C; ekstrim nɔ-stik ɛn kemikal inɛtnɛs; fayn fayn ilɛktrik insuleshɔn; low frikshɔn (~ 0.04); fayv glas bays de gi ay tɛnsiɛl trɛnk.

Dis atikul kɔmpia difrɛns bitwin infrarɛd raytin ɔt ɛn ɔt-ɛya sirkuleshɔn ɔt kɔring mɛtɔd dɛn pan kroslink strɔkchɔ yunifɔmiti fɔ silikon adhesive layers. di hεt tכnfכs mεkanism dεm: hot-εya de dip pan kכnvεkshכn-kכndukshכn wit jεntεl tεmprachכ rayz, sכm intanεt/ekstεnshכnal tεmprachכ difrεns; IR gεt limited pεnεtreshכn dip wit strכng sכfayz absכpshכn (tεn to כndrεd maykromita) we de mek stip sεf-to-intεriכr grεdiεnt. Ifekt dεm pan kroslink yunifכmiti: hot-εya de mek i ebul fכ sinkrכn kכryu insay εn aut wit yunifכm kroslink dεnsiti; IR de mek di sכfayz layεr fכm kwik kwik wan dense 'skin film' we de hεndr di hεt kכndukshכn εn intanal chen muvmεnt, we de mek di kכroslink dεnsiti de dכn frכm sכfayz to intayri.

Dis atikul kɔba tipik layn spid rɛnj fɔ Teflon ay-tɛmpracha fabrik impregnashɔn prodakshɔn layn. Spid rεnj: kכvεshכnal tin prodakt (0.08-0.30mm) na 0.5-3 m/min, stebul na 1-3 m/min; tik/mכlti-impregnated prodakt (≥0.4mm) na 0.3-1 m/min; ay-efyushɔn layn dɛn wit lɔng ɔvin kin rich 3-6 m/min bɔt dimand ikwipmɛnt. di prכsεs kכnstrכkshכn: drying εn sintering nid fכ rεsidεns tεm (PTFE nid 1-3 min na 380-400°C; insufisεnt de mek pwεl adheshon/krak); spid de ditarmin bay di minim dry/sintering tεm כnda fiks כvin lεngth. Matirial kɔnstrakshɔn: ay sɔlid/viskɔsiti dispershɔn dɛn de go insay sloslo; tik/dens klos dεm de abzכp likwid εn tכn di כt sכmtεm sכmtεm; wayd klos dεm we kin protεns fכ ed-sεntr kכla difrεns we nid fכ ridyus spid. Ikwipmɛnt ɛn kwaliti tred-ɔf: lɔng mɔlti-zon ɔvin dɛn de alaw fɔ spid mɔ.

Dis atikul de kכba difrεns bitwin PTFE emulshכn dεm we dεn prodyuz bay sכspεns polimεrayzeshn vs dispershכn polimεrayzeshn. Klarifyeshɔn: suspɛns polimayzeshɔn nɔ kin ebul fɔ prodyuz PTFE ɛmulshɔn dairekt wan; jεnuin PTFE emulshכn de kכmכt כnli frכm dispershכn polimεrayzeshn. 'Sɔspenshɔn-mɛtɔd ɛmulshɔn' na rili akyuɔs sɔspɛns fɔ grɔn sɔspɛns-pɔlimɛrayz rɛsin maykropauda dɛn. Dispershכn polimεrayzeshn (primary emulshכn): sfεrik patikyula dεm (0.1-0.3μm, narכw distribushכn), we dεn stεbyul bay pεrfluorinated sכfaktant dεm, εkstrim hכy mכlikul wet (>94% kristaliniti), strכng fibrilεshכn, nid 380°C sintering fכ fכm kכntinyu tכf film.