Se se kopana sa setegeniki go tšwa go Jiangsu Aokai se sekaseka ka moo dithemperetšha tša fase ka mo go feteletšego goba tša godimo tša sintering di senyago lešela la themperetšha ya godimo ya PTFE. Go sintering ga fase go tlogela dikarolwana di sa qhibidige, go hlola micro-pores, kgokagano ye e fokolago ya go tlotša-substrate, bokagodimo bjo bo makgwakgwa, maatla a motšhene a mabe, le ponagalo ye e sa bonagalego ya maswi. Go fiša kudu go hlohleletša go senyega ga phišo ya PTFE, go tšweletša mekoti ya diphini, di-bubble, go brittleness, go fetoga ga mmala o mosehla go ya go o motsothwa le go lokolla muši o nago le mpholo. Bobedi bjo bo feteletšego bo senya go kopana, tshepedišo ya go se kgomarele, go feto-fetoga le maemo, go thibela go fiša le go tsepama ga ditekanyo.

PTFE phahameng-mocheso lesela insulating gaskets kopanya phahameng dielectric matla (a tsitsitseng tlas'a mongobo), -70 ° C ho 260 ° C mocheso fapaneng, bokahohleng lik'hemik'hale ho hanyetsa (ntle le qhibilihile alkali li tšepe), bao e seng khomarela holim (thibela creepage),-ba khahlanong le creep (fiberglass matlafatso vs. hloekileng PTFE), phahameng tensile matla, tlaase khohlano (μ = 0.05-0.1), le V-0 tekanyetšo ya kgabo. Ge e bapetšwa le mica, rabara, le di-gasket tša PTFE tše di hlwekilego, lešela la PTFE le nea go feto-fetoga mo go phagamego, go šongwa, le go tsepama ga tekanyo ya nako e telele. Loketseng bakeng sa transformers, enjene kwahelang, lik'hemik'hale flange tiiso, le semiconductor thepa.

Theko ya emulsion ya PTFE e tutuetšwa ke mabaka go ralala le ketane ka moka ya intasteri. Ditshenyagalelo tša godimo ga noka (meepo ya fluorite, dikelo tša setšidifatši tša R22) di bea lebato la theko ya motheo. Nyakego ya ka tlase ga noka go tšwa go ditlamo tša dibetri tša lithium ke mokgweetsi wa mathomo wa kgolo. Mabaka a kabo (ditekanyo tša tshepedišo ya intasteri, tlhokomelo ya dipolante) le boleng bja setšweletšwa (diteng tše di tiilego, bogolo bja dikarolwana, mphato wa bohlweki) di hlola ditiers tša theko. Melawana ya tikologo (dithibelo tša PFOA/PFAS) e godiša ditshenyegelo tša kobamelo. Dithulaganyo (dinamelwa tša ketane ye e tonyago) di tlaleletša ka ditshenyagalelo tše kgolo. Ditshekamelo tša theko di latela tlhaologanyo ya motheo: ditshenyagalelo tša fluorite/hydrofluoric acid = fase; nyakego ya betri ya maatla a mafsa = tlhahlo ya tshekamelo; ditefello tša tshepedišo le melawana = dihlohleletši tša go fetofetoga ga nako ye kopana.

PTFE theipi bakeng sa lik'hemik'hale phaephe / sejana-ba khahlanong le tšilafalo, bao e seng khomaretse, le tiiso tšireletso hloka tšoanang substrate, sekgomaretsi tsamaiso, le mecha ea litaba lik'hemik'hale. Silicone PSA e kgothaletšwa go 200-260°C ka diesiti/alkali; acrylic PSA e ganetša disolvent tša organic eupša e lekanyetša themperetšha go ≤150°C. Bakeng sa HF, go bela >80% ya alkali, goba chlorine trifluoride, šomiša PTFE-feela lera (ga go na sekgomaretši sa organic). Bohlokwa: sekgomaretši ke kgokagano e fokolago kudu, e sego PTFE ka boyona.

PTFE lesela bataletse nakong sintering hloka tsitsipano e nepahetseng, mocheso, le taolo ya thibelo. Mekgwa ya motheo: mochine wa stenter (dipoleiti tša diphini di boloka bophara, di thibela go fokotšega ga weft), profaele ya themperetšha ya gradient (go ruthetša ka go nanya → 380-400°C swara → go tonya ka go nanya ka fase ga 310°C pele o lokolla kgatelelo), substrate yeo e fokotšegilego pele (e tloša kgatelelo ya go loga pele ga go tlotša), le botenya bja go tlotša bjo bo swanago (e thibela go qhibidiga ga phapano). Thibelo ya stenter e swanetše go hlokomelwa go fihlela e fodile ka fase ga ntlha ya kristale ya PTFE (e ka bago 310°C) go thibela warpage.

Coating go swana nakong ya PTFE emulsion impregnation ya fiberglass lesela ke lifeline ya boleng sehlahiswa. Go tlotša mo go sa lekalekanego go baka: go palelwa ga go se kgomarele (go kgomarela matheba a masesane), go fokola ga motšhene (go tsepama ga kgateletšego, go gagoga), go se tsepame ga mohlagase (gagamalo ya go thubega e theogela go 1/10), go tsenelela ga dikhemikhale (go tšhilafala ga pinhole), ditaba tša ditekanyo (go sotha), le diphošo tša go šoma (go lelera ga lebanta, go fapana ga botenya). Go tlotša ka go swana go nyaka taolo ye e nepagetšego ya viscosity ya emulsion, diteng tše di tiilego, kgatelelo ya lešela, dikgoba tša go pitlela, le diprofaele tša go omiša/sintering tša mafelo a mantši.

PTFE theipi tšoara matla e ntlafatsoa ka tlotsa le phekola tshebetso optimization. Coating: primer lera (0.5-2μm silane primer thibela sekgomaretsi peeling), sekgomaretsi botenya 30-60μm (optimal bakeng sa tšoara matla), lefeela defoaming, le 5-10μm filtration. Go fodiša: go ruthetša ka dikgato (80-100°C go tlošwa ga solvent → 120-140°C go bopa → 150-220°C go kgokaganya sefapano ka mo go tseneletšego), go fodiša ka morago (40-60°C bakeng sa 24-48h go iketla), le phetišetšo ya kgatelelo ya fase go thibela kgateletšego ya ka gare go tšwa go go fokotšega ga substrate. Primer e bohlokwa bakeng sa matla a tlase a bokagodimo bja PTFE.

Lešela la themperetšha ya godimo la PTFE le feta ka gare ga dikgato tše nne tša phetogo ya sebopego ge themperetšha e hlatloga: ka fase ga 260°C – go phatloga ga micro-cracking ka go nanya le go fetošwa ga tlaleletšo ya mašaledi; ka 327°C (ntlha ya go qhibidiga) – phetogo ya kristale go ya go amorphous, go tlotša go a nolofala, go delaminates go tšwa go fiberglass; 400-500°C – PTFE e depolymerizes (e lokolla dikgase tše di nago le mpholo), go tlotša go a nyamelela; ka godimo ga 500°C – fiberglass e a nolofala (840°C ntlha ya go nolofala) gomme e lahlegelwa ke botshepegi bja sebopego. Dula ka fase ga 260°C o tšwela pele, efoga ditlhora tša >300°C bakeng sa tšhomišo ye e bolokegilego.

PTFE phahameng-mocheso lesela e hlahiswa ka e ka ba e le 'ngoe-ina impregnation (e mong feta: ka potlako, theko e tlaase, tšesaane tlotsa, makgwakgwa holim le pinholes) kapa multi-ina impregnation (2-3 + feta: boreleli, teteaneng, pinhole-free tlotsa, PTFE dikahare 50-70%, tshebetso premium, theko e phahameng). Single-dip sutu di-gasket tša maemo a tlase, mepete ya nakwana le didirišwa tšeo di hemago. Multi-dip e a nyakega bakeng sa matlakala a go baka a maemo a dijo, mapanta a go sepetša ao a sa kgomaretšego, di-substrate tša potologo ya maqhubu a magolo, di- liner tša dikhemikhale le dimembrane tša go aga.

PTFE phahameng-mocheso lesela bokagodimo kalafo roba dikhemikhale inertness bakeng sa bonding / khatiso. Mekgwa e mene: etching lik'hemik'hale (sodium-naphthalene, matla a holim'a 20 → 40-50 dyn / cm, lera lefifi la sa feleng, sebopeho micro-porous), kalafo ea plasma (nano-roughening, grafting sehlopha se sebetsang, fensetere e khutšoanyane mafolofolo), kalafo corona (tšesane-filimi, ho bola ka potlako, botebo lekanyelitsoeng), le kalafo laser (nepahetseng micro-patterning, laoloa carbonization). Mekgwa ka moka e roughen mmeleng le ka dikhemikhale e tsebagatša dihlopha tša polar (C = O, -OH, -COOH) go kgontšha kgokagano ya sekgomaretši.