Nyati sia to gɔmedzenu blibo si wozãna tsɔ dea fiberglass avɔ me kple PTFE emulsion. Afɔɖeɖe vevi adre: 1 Dɔwɔwɔ do ŋgɔ (dewaxing/desizing) le dzoxɔxɔ 350-400°C me be woaɖe avɔ ƒe lolomedzidzenuwo ɖa; 2 Emulsion ƒe wɔwɔme si me nu sesẽ 40-55% le kple nusiwo wɔa dɔ ɖe anyigba dzi hena tsidzadza si nyo wu; 3 Impregnation to dip-squeeze mɔnu alo ɖɔkta blade coating dzi; 4 Etutu le dzoxɔxɔ 100-150°C me be tsi naƒu blewu eye wòawɔ PTFE film ƒuƒu; 5 Sintering le 360-390°C (vaseɖe 400°C) be woatsɔ alɔ PTFE ƒe akpa suewo woazu film si metso o; 6 Multi-cycle impregnation-drying-sintering gbugbɔ zi 2-4 be woaɖo taɖodzinu ƒe titrime kple resin ƒe agbɔsɔsɔ (45-65%); 7 Dɔdamɔnu megbe dɔdamɔnu si me corona dada, nugbɔ lãɖeɖe, winding kple nyonyome me toto hã le. Nu vevi siwo dzi wokpɔna: dewaxing blibo, emulsion tsidede blibo, vivivi ƒuƒu, sintering dzoxɔxɔ si sɔ pɛpɛpɛ, kple coating density si mewɔa tɔtrɔ o. Adzɔnuwo subɔa akɔbli-bla laminate siwo ƒe ɣeyiɣi deŋgɔ, dzoxɔxɔ gã ƒe mɔ̃ siwo wotsɔna tsɔa nu kple xɔtuɖaŋu ƒe lãkusi ƒe nuzazãwo.

Nyati sia ƒo nu tso dɔwɔwɔ ƒe dzesi veviwo ŋu na PTFE dzoxɔxɔ gã ƒe tape si wozãna le vacuum coating, vacuum heat treatment kple nɔnɔme mawo tɔgbe me. Nudidi veviwo to vovo kura tso yamenutome zazã gbɔ: ya si dona le emee nye nu vevitɔ kekeake (TML≤1%, CVCM≤0.1%; yamenutome/nukpɔkpɔ ƒe dzesiwo hiã TML≤0.5%, CVCM≤0.01%); ele be woaɖo kpe dzoxɔxɔ ƒe tsitretsitsi dzi na PTFE substrate (260°C) kple adhesive layer siaa; silicone PSA si me ya si mebɔ o si ŋu wokɔ etɔxɛe hiã be woatsɔ axe mɔ ɖe siloxane ƒe ɖiƒoƒo nu; ŋusẽ si léa dzoxɔxɔ gã me xea mɔ na creep kple edge lifting; dzadzɛnyenye mebia be womaɖe ka aɖeke ɖa o eye ionic mesɔ gbɔ ɖe eme o; anti-static tape (anyigba ƒe tsitretsitsi 106-109 Ω/sq) xea mɔ na ESD ƒe gbegblẽ; ele be woada plasma ƒe dɔlélenutsiŋutete kpɔ hena sputtering/PECVD ƒe dɔwɔwɔwo; dzoxɔxɔ ƒe shrinkage si le 2% te kpɔa egbɔ be masking la sɔ pɛpɛpɛ.

Nyati sia ɖe lãmenugbagbeviwo ƒe atike siwo PTFE avɔ si ƒe dzoxɔxɔ lolo ate ŋu anɔ te ɖe enu la fia. PTFE-fa fiberglass avɔ ɖea atike ƒe dɔmawɔmawɔ etɔxɛ fiana, tsi tre ɖe lãmenugbagbeviwo ƒe ʋeʋẽ siwo bɔ katã kloe ŋu le dɔwɔwɔ ƒe nɔnɔme siwo sɔ me evɔ meʋãna, vuvu alo atikewo ƒe dɔwɔwɔ o. Ƒomedodo siwo dzi woate ŋu alɔ̃ ɖo dometɔ aɖewoe nye: aha sesẽwo (methanol, ethanol, isopropanol), ketones (acetone, MEK, cyclohexanone), esters (ethyl acetate, butyl acetate), haidrodzin (mɔ̃memi, toluene, xylene, hexane), haidrokarbon siwo me halogen le (dichloromethane, chloroform, carbon tetrachloride), ethers (diethyl ether, THF), lãmenugbagbeviwo ƒe aɖi (glacial acetic acid, formic acid), amines kple amides (triethylamine, DMF), phenols, kple bubuwo abe carbon disulfide, pyridine, silicone ami kple brek ƒe tsi ene.

Nyati sia ƒo nu tso fafa ƒe agbɔsɔsɔme si hiã le PTFE ƒe avɔ si me dzoxɔxɔ le ŋutɔ ƒe ƒoƒo me ŋu. Ne wotsɔ avɔa ƒo dzoe le dzoxɔxɔ 380-400°C me vɔ la, ele be wòato nuto si me kristalo ƒe dzoxɔxɔ le 310-315°C me kabakaba. Fafa ƒe agbɔsɔsɔme si wokafu enye 30-50°C/min ya teti (avɔ tsɛ ate ŋu aɖo 100-200°C/min to ya fafɛ me). Fafa kabakaba (tsitretsitsi) naa kristalo me mekɔna o (45-50%), si naa nusiwo wotsɔ blaa nu falɛfalɛ siwo sesẽ eye woƒe anyigba le gbadzaa, woléna ɖe wo nɔewo ŋu sesĩe, wowɔa dɔ nyuie ŋutɔ le non-stick me, eye wotsia tre ɖe delamination kple gbagbã ŋu. Fafa blewu (dzodoƒe ƒe fafa) nana kristalo ƒe ʋeʋẽ lilili (60-70%), si wɔnɛ be nusiwo wotsɔ blaa nu sesẽ, siwo megbãna o, siwo te ŋu tsia, ʋuʋuna eye wogbãna suesuesuewo.

Nyati sia tsɔ xɔme ƒe dzoxɔxɔ kple dzoxɔxɔ gã ƒe tsitsi sɔ kple silicone pressure-sensitive adhesive na PTFE tape. Dzoxɔxɔ gã ƒe tsitsi (120-180°C) naa crosslinked networks dense siwo ƒe ŋusẽ sesẽ si ƒoa ƒu, si xea mɔ na adhesive ƒe nugbagbevi siwo susɔ le wo ɖeɖe vɔ megbe. Ewɔa atikewo ƒe seke ƒe kadodowo kple PTFE substrates to primer co-curing dzi, si ɖea delamination ƒe afɔkuwo ɖa. Dzoxɔxɔ gã ƒe tsitsi hã ɖea molecule siwo mebɔ o ƒe dzoxɔxɔ ɖa hafi wotsɔa wo vɛ, si xea mɔ na bubbling kple silicone ami ƒe ɖiƒoƒo le dzoxɔxɔ gbãtɔ me.

Mɔfiame sia ƒo nu tso PTFE dzoxɔxɔ gã tape tiatia na injection molding demolding kple anti-stick dɔwɔwɔwo. Tiatia si wotu ɖe dzoxɔxɔ dzi: ≤260°C na plastik siwo wozãna le xexeame katã (silikon PSA kasɛt si wozãna ɖaa, 0.13-0.18mm); 260-300°C na mɔ̃ɖaŋununya ƒe plastik siwo ƒe dzoxɔxɔ lolo abe PC, PA66, POM (silicone adhesive si ƒe dzoxɔxɔ lolo, 0.18-0.25mm); 300-400°C na PEEK, LCP, PPS si te ɖe duƒula dzodzoewo ŋu (adhesive tape do kpo nu; zã PTFE avɔ si me nulénu mele o alo PFA film). Tiatia si wotu ɖe nusiwo wotsɔ wɔe dzi: nusiwo tacky hiã PTFE dzadzɛ siwo me woɖea asi le ŋutɔ; nusiwo wotsɔ glass/mineral yɔ fũu hiã 0.25mm + tepe si te ŋu dona le wo ŋu vevie; nusiwo wotsɔ kpe ɖe nu ŋu siwo gblẽa nu le ame ŋu biaa atike si te ŋu nɔa te ɖe nulénu nu kple nusi le ʋeʋẽm; static-sensitive dɔwɔwɔwo hiã anti-static yevu PTFE tape.

Wowɔa avɔ si ƒe dzoxɔxɔ lolo PTFE si te ŋu léa nu geɖe to PTFE tsyɔtsyɔ ɖe fiberglass avɔ si ŋu ŋusẽ le ŋutɔ dzi, si naa ŋusẽ si te ŋu léa nu, dzoxɔxɔ si te ŋu nɔa te ɖe enu, nɔnɔme siwo me meléna o, atikewo ƒe tsitretsitsi, kple ʋuʋudedi si mebɔ o. Dɔ vevi siwo wozãna dometɔ aɖewoe nye: dɔwɔƒewo ƒe tsɔtsɔ yi teƒe bubuwo (dzoxɔxɔ ƒe nubablɛwo, nuɖuɖu ɖaɖa, avɔlɔ̃mɔ̃wo, pepa/film ƒuƒu); composite molding release avɔ kple dzodzoe nyadzɔdzɔŋlɔla cushion liners; xɔmetsovɔ siwo kpɔa ame ta kple dzoxɔxɔnutsitikewo tsɔtsɔ ƒo ƒui; elektrikmɔ̃ kple transformer ƒe nusiwo xea mɔ na dzoxɔxɔ; bearing siwo wotsɔna ƒua du kple pɔmpiwo ƒe kpeɖeŋutɔ tutu; atikewo ɖeɖeɖa kple valvɔ nutrenu le nuto siwo me nu gblẽna le me. Tensile ŋusẽ gã nana be enɔa anyi didina le tete, vuvu, ƒoƒo enuenu, kple dzoxɔxɔ gã mɔ̃ ƒe nuteɖeamedzi le dɔ sesẽ vovovo siawo me.

Le sintering me la, PTFE ƒe akpa siwo le fiberglass avɔ dzi la ƒuna wu 327°C, si gblẽa lamelae gbãtɔ siwo wotsɔ kɔsɔkɔsɔ xatsa kple nusuewo ƒe liƒowo dome tsɔ wɔa amorphous melt. Ne PTFE fa la, egatrɔna zua spherulites siwo me lamellae siwo le radially oriented le, kple kristalo ƒe 50–70%. Fafa ƒe agbɔsɔsɔme ye afia kristalo ƒe blibodede: fafa blewu naa kristalo ƒe nɔnɔme si lolo wu, spherulites lolo wu, sesẽme geɖe wu; ne wotsi kabakaba la, enaa spherulites nyo wu eye wòte ŋu trɔna ɖe nɔnɔmewo ŋu nyuie wu.

Wozãa avɔ si wotsɔ PTFE wɔe si wotsɔa fiberglass wɔe geɖe le rababa ƒe dɔwɔwɔ me le esi wòte ŋu nɔa te ɖe dzoxɔxɔ nu, eƒe ŋutete be meléna ɖe nu ŋu o, eye eƒe ʋuʋudedi mebɔ o ta. Dɔ vevi siwo wozãna dometɔ aɖewoe nye: asiɖeɖe le nusiwo wotsɔ blaa nu ŋu hena plate/vacuum vulcanization kple taya ƒe nɔnɔmewɔwɔ; alidziblanu siwo meléna ɖe nutunu siwo le ʋuʋu ɖi, ɣletigbalẽwo, kple fafamɔ̃wo ŋu o; avɔ si wotsɔa rababa si wowu afã kple afã dzrana ɖo; silicone kple fluoroubber zazã etɔxɛe; kple dzodoƒe ƒe agbawo hena wo dada vɔ megbe. Viɖe siwo le eme dometɔ aɖewoe nye be woaɖe aŋɔ ƒe ƒoƒo ɖa, woaɖe atike si ɖea nu le eme zazã dzi akpɔtɔ, woaxe mɔ ɖe agbalẽ xatsaxatsa nu, eye woakpɔ egbɔ be woɖe aŋɔa ɖa nyuie.

Sintering si mebɔ o gblẽa PTFE ɖi mefa o, si wɔnɛ be micro-pores, adhesion nyuie o, anyigba siwo dzi ƒu kplakplakpla, mɔ̃ ƒe ŋusẽ si mede o, eye wòdzena abe notsi ene. Dzoxɔxɔ akpa gblẽa nu le PTFE ŋu, si wɔnɛ be pinholes, bubbles, brittleness, amadede ɣi va ɖo yibɔ, kple dzudzɔ si me aɖi le dona. Wo ame evea siaa gblẽa compactness, non-stick dɔwɔwɔ, asitɔtrɔ le nɔnɔmewo ŋu, insulation, kple dimensional liƒo. 370–400°C ƒe didime nyuitɔ naa nusi me kɔ afã kple afã, si le gbadzaa, si ƒe amadede nye tan. Nukpɔkpɔ ƒe dodokpɔ: matte white = under-sintered; yellow/brittle = nusi wotsɔ ƒo ƒu wògbɔ eme. (ŋɔŋlɔdzesi 296)