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 350-400°C 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 Atikewɔwɔ megbe si me corona dada, nugbɔ ɖeɖe, winding kple nyonyome me dzodzro hã le. Nu vevi siwo dzi wokpɔna: dewaxing bliboe, emulsion tsidede blibo, vivivi ƒuƒu, sintering dzoxɔxɔ si sɔ pɛpɛpɛ, kple coating density si mewɔa tɔtrɔ o. Adzɔnuwo subɔa akɔbli-siwo wotsɔ blaa laminate siwo ƒe ɣeyiɣi deŋgɔ, dzoxɔxɔ gã ƒe mɔ̃ siwo wotsɔna tsɔa nu kple xɔtuɖaŋu ƒe lãkusi ƒe nuzazãwo.

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 ƒoe 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 si me meléna o, 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.

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.

Mɔ̃ɖaŋu ŋuti nyatakaka kpui sia si tso Jiangsu Aokai gbɔ la ku alesi dzoxɔxɔ si bɔbɔ akpa alo esi lolo akpa le sintering me gblẽa nu le PTFE avɔ si ƒe dzoxɔxɔ lolo ŋu. Sintering si mebɔ o gblẽa nusueawo ɖi womeƒuna o, si wɔnɛ be micro-pores, coating-substrate ƒe kadodo si gbɔdzɔ, anyigba siwo le gbadzaa, mɔ̃a ƒe ŋusẽ medea ŋgɔ o, kple notsi ƒe dzedzeme si me mekɔ o. Dzoxɔxɔ si gbɔ eme nana PTFE ƒe dzoxɔxɔ gblẽna, si wɔnɛ be pinholes, bubbles, brittleness, ɣie va zu yibɔ ƒe amadede trɔna, eye wòɖea dzudzɔ si me aɖi le dona. Nusiwo gbɔ eme evea siaa gblẽa compactness, non-stick dɔwɔwɔ, asitɔtrɔ le nɔnɔmewo ŋu, nusiwo xea mɔ na dzoxɔxɔ, kple didime ƒe liƒo.

Ɣletigbalẽ – avɔ si wotsɔ PTFE ƒoe tete ɖe ahuhɔ̃e ƒe ʋuƒo siwo wodo dzoe dome le 360-380°C – trɔa anyigba ƒe nɔnɔme, eƒe asiɖeɖe le eŋu ƒe nɔnɔmewo, tsi ƒe gege ɖe eme, kple mɔ̃ɖaŋununya ƒe dɔwɔwɔ ŋutɔ. Eɖea ʋuʋudedi dzi kpɔtɔna tso Ra 0.5-1.0 μm va ɖo <0.05 μm, etsia pinholes nu, enaa woƒe vuvu ƒe tsitretsitsi nyona ɖe edzi, gake eɖea aɖatsi ƒe ŋusẽ kple asitɔtrɔ le nɔnɔmewo ŋu dzi kpɔtɔna. Ele vevie na release liners kple elektrik-nulénu.

Fiberglass weave pattern – plain, twill, alo satin – kpɔa ŋusẽ ɖe PTFE ƒe avɔ si ƒe dzoxɔxɔ lolo ƒe nɔnɔmewo dzi vevie. Satin weave naa aɖatsi ƒe ŋusẽ si de ŋgɔ wu (2-3x gbadzaa) kple asitɔtrɔ le nɔnɔmewo ŋu, si sɔ nyuie na ŋusẽ ƒe bɔbɔ. Gbeƒãɖeɖe gbadzaa naa didime nyuitɔ kekeake li ke kple peel adhesion, si sɔ na static dɔwɔwɔwo. Twill da sɔ le nunɔamesiwo katã me hena zazã le afisiafi.

Nu enee wotsɔ dea dzesi PTFE avɔ si ƒe dzoxɔxɔ lolo ƒe nutsyɔtsyɔ ƒe ɖekawɔwɔ: nutsyɔtsyɔ ƒe wɔwɔme (nusuewo ƒe lolome 0.15-0.35 μm, ʋeʋẽ, nu sesẽ siwo le eme), nutsyɔtsyɔ & sintering ƒe ɖoɖo (blade coating si wolɔ̃na hena ɖekawɔwɔ), substrate ƒe nyonyome (weave pattern, pre-treatment), kple ewɔwɔ ƒe nɔnɔme (20-25°C, <60% RH). Dip + blade ƒo ƒu ƒe dɔwɔwɔ daa asɔ le gege ɖe eme kple anyigba ƒe glidzaglidza.

PTFE avɔ si me dzoxɔxɔ le ŋutɔ naa atikewo te ŋu nɔa te ɖe enu etɔxɛe, eye wòte ŋu nɔa te ɖe aɖi sesẽwo, alkaliwo, lãmenugbagbeviwo ƒe ʋeʋẽ lilili, kple ya siwo gblẽa nu le ame ŋu nu. Nyati sia gblɔ eƒe nusiwo te ŋu nɔa te ɖe dɔlékuiwo nu, seɖoƒe siwo le eŋu (alkali-ga siwo wotsɔ ƒo, fluorin-nu sesẽwo), kple nu veviwo abe dzoxɔxɔ, eƒe kpekpeme, kple mɔ̃wo ƒe nuteɖeamedzi ene tsitotsito.

Abe PTFE avɔ siwo ƒe dzoxɔxɔ deŋgɔ wɔla bibi ene la, Jiangsu Aokai Nu Yeyewo naa dɔnyala ƒe gɔmesesewo wò. Taɖodzinu vevitɔ si le fiberglass ƒe anyigbadzidɔwɔwɔ ŋue nye be woatu molecule tɔdzisasrã ɖe inorganic fiberglass kple organic PTFE dome, ale be woakpɔ woƒe inc