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-pכr dεm, we de pul di sכfayz hεt; flɔ gas film de ayzolayt ay-tɛmpracha kɔmbɔshɔn gas frɔm di wɔl, we de ridyus nia-wɔl ɔt fluks bay >50%; gas film de modify bכnda layεr vεlositi/tεmprachכ, we de εliviet patikyula eroshכn.

Dis atikul de tɔk bɔt aw fɔ yuz Teflon ay-tɛmpracha klos (PTFE-coated fiberglass fabric) na di aerospace fild. Ki aplikeshɔn eria dɛn: Kɔmpɔzit matirial manufakchurin — rilis klos/film insay ɔtoklev moldin, ayzolayshɔn layers, ay-tɛmpracha kɔnvayɔr bɛlt fɔ prepreg prodakshɔn; Enjin ɛn ay-tɛmpracha tɛmral protɛkshɔn — tɛmal insuleshɔn blankit, fayawɔl kladin, fleksibul ay-tɛmpracha kɔnɛkshɔn; Ilɛktrik insuleshɔn ɛn waya hans protɛkshɔn — kebul rap insay injin kɔmpawtmɛnt ɛn landin gia bay; Ayrakt intɛriɔ ɛn faya protɛkshɔn — faya kɔtin/smok barɛri we mit FST standad, tɛmal/akostik insuleshɔn blankit kladin; Spays ɛn aerospace aplikeshɔn — mɔlti-layer insuleshɔn (MLI) asɛmbli, anti-kol-wɛld lɔbrikeshɔn layna fɔ solar panɛl diploymɛnt mɛkanism ɛn ɛntena hinj, tɛmal kɔntrol klos.

Dis atikul de analayz aw sandblasting ɔ matt finishing tritmɛnt de afɛkt di surface strɔkchɔ fɔ PTFE ay-tɛmpracha klos. chenj dεm de apin insay tri dimεnshכn dεm: Maykroskopik mכfכlכji de transfכm frכm smol miro-lεk to rכf gכli tεkschuכr wit shap inkrεs Ra/Rz valyu dεm, we de mek 3D mεkanikal ankכring strכkchכ dεm fכ bכnd we de afta dat. Kɔtin intɛgriti de fes risk: PTFE layt tinin, pɔtɛnɛshɛl ɛksplɔshɔn fɔ fayv glas sabstret (we de mek i lɔs di nɔ-stik prɔpati, mɔstɔ go insay, ɛn ridyus mɛkanikal trɛnk), plus maykrokrak ɛn dɛbris jenɛreshɔn.

Dis atikul introduks di komplit besik proses fɔ impregnate fayv glas fabrik wit PTFE emulshɔn. Sεvin ki step dεm: 1 Prεtritmεnt (dewaxing/desizing) na 350-400°C fכ pul di tεkstayl sayzin ejen dεm; 2 Emulshכn fכmyuleshכn wit 40-55% sכlid kכntεnt εn sכfaynt fכ impruv wet; 3 Impregnation via dip-squeeze mεtכd כ dכkta bled kכt; 4 Dray na 100-150°C fɔ mek wata jɔs evapɔret ɛn fɔm dray PTFE film; 5 Sintering na 360-390°C (up to 400°C) fכ mεlt PTFE patikyula dεm insay kכntinyu film; 6 mכlti-saykl impregnashכn-drying-sintering ripit 2-4 tεm fכ rich tכgεt tiknes εn rεsin kכntεnt (45-65%); 7 Pɔst-tritmɛnt inklud korona tritmɛnt, ed trim, waynd ɛn kwaliti inspekshɔn. Kor kontrכl poynt: komplit diwaks, ful emulshכn wet, sכmtεm drεy, prεsis sintering tεmprachכ, εn kכnsistεnt kכt dεnsiti. Prodakt dɛn de sav ay-frikyuɛnsi kɔpa-kled laminat, ay-tɛmpracha kɔnvayɔr bɛlt ɛn akitekchral mɛmbran matirial dɛn.

Dis teknikol brif frɔm Jiangsu Aokai de analayz aw pasmak lɔw ɔ ay sintering tɛmpracha de damej PTFE ay-tɛmpracha klos. lכw sinta de lεf patikyula dεm we nכ mεlt, we de mek maykro-por dεm, wik kכtin-sabstεrayt bכnd, rכf sεf, pwεl mεkanikal trεnk, εn milky opaque apinεns. If yu ɔt pasmak, i de mek PTFE tɛmral dɛgradɛshɔn, i de mek pinhol, bɔbul, brit, yɔlɔ-to-blak diskɔlɔreshɔn, ɛn rilis pɔyzin fum. Ɔl tu di ekstrem dɛn de pwɛl kɔmpakt, nɔ-stik pefɔmɛns, fleksibiliti, insuleshɔn, ɛn dimɛnshɔnal stebiliti.

Kalɛnda – we yu prɛs PTFE-kɔt fabrik bitwin di ɔt miro rɔla dɛn na 360-380°C – i de chenj di sɔfayz mɔfɔlɔji, rilis prɔpati, impermiabiliti, ɛn mɛkanikal pefɔmɛns bad bad wan. i de ridyus di rכf frכm Ra 0.5-1.0 μm to <0.05 μm, i de sial pinhol dεm, i de impruv di wear rεsistεns, bכt i de dכn di tεar strכng εn fleksibiliti. Impɔtant fɔ rilis layna ɛn ilɛktrik insuleshɔn.

As wan profeshɔnal manifakta fɔ PTFE ay-tɛmpracha fabrik, Jiangsu Aokai Nyu Matirial de gi yu prɔfɛshɔnal insayt. Di kor purpose of fiberglass surface treatment na fɔ bil wan molecular brij bitwin inorganic fiberglass ɛn ɔrganik PTFE, so as fɔ fundamɛntli sɔlv dɛn inhɛrɛnt inc