PTFE tape na atike pɔmpi / nugo anti-corrosion, non-stick, kple nutrenu takpɔkpɔ bia be sɔ substrate, adhesive ɖoɖo, kple atike media. Wokafu silicone PSA na dzoxɔxɔ 200-260°C kple acid/alkali; acrylic PSA tsi tre ɖe organic solvents ŋu gake eɖoa seɖoƒe na dzoxɔxɔ be wòaɖo ≤150°C. Le HF gome la, ne woɖa >80% alkali, alo chlorine trifluoride la, zã PTFE-ko ƒe nutsyɔnu (menye organic adhesive o). Vevietɔ: nusi wotsɔna léa nu ɖe ​​nu ŋue nye kadodo si gbɔdzɔ wu, ke menye PTFE ŋutɔ o.

PTFE tape léle ŋusẽ nyona ɖe edzi to nutsyɔtsyɔ kple dɔyɔyɔ ɖoɖo optimization. Nusi wotsɔ blaa nu: primer layer (0.5-2μm silane primer xea mɔ na adhesive ƒe ʋuʋu), adhesive ƒe titrime 30-60μm (enyo wu na ŋusẽ léle), vacuum defoaming, kple 5-10μm filtration. Dɔyɔyɔ: dzoxɔxɔ afɔɖeɖe ɖesiaɖe (80-100°C solvent ɖeɖeɖa → 120-140°C ƒe nɔnɔme → 150-220°C goglo crosslinking), le gbedada megbe (40-60°C hena 24-48h be woaɖe nuteɖeamedzi dzi akpɔtɔ), kple tsɔtsɔ yi teƒe bubu si me teteɖeanyi boo aɖeke mele o be woaxe mɔ ɖe ememe nuteɖeamedzi tso substrate ƒe ɖeɖeɖa nu. Primer la le vevie na PTFE ƒe anyigbadziŋusẽ si bɔbɔ.

PTFE ƒe dzoxɔxɔ gã ƒe kasɛt nyea nu vevi aɖe le semiconductor wɔwɔ me, ke menye nusi wozãna na nusianu o. Dɔwɔwɔ veviwo: wafer-level takpɔkpɔ (plasma etching masking, CMP megbe takpɔkpɔ, CVD / PVD masking), nubabla ƒe ɖoɖowo (wire bonding fixation, soldering mask na PCBs), kple dɔwɔnuwo dzadzraɖo (anti-static roller wrapping, cleanroom dzesi). Nudidi siwo le dzadzɛ ŋutɔ: halogens siwo mesɔ gbɔ o (xea mɔ na bond pad ƒe xɔxlɔ̃), siloxanes siwo mebɔ o (<500 ppm, xea mɔ na insulating particle formation), ga ions siwo mebɔ o (<1 ppm ɖesiaɖe), ISO Class 4 cleanroom slitting/packaging, 106-109 Ω surface resistivity, kple TVOC ƒe dodo si bɔbɔ.

Atikewɔwɔ-grade PTFE dzoxɔxɔ gã tape ƒoa biocompatible PTFE substrate kple platinum-cured silicone adhesive. Nu vevi siwo le eme: Ewɔ ɖeka kple ISO 10993 (lãmenugbagbeviwo ƒe aɖi, seselelãme, alo dzikudodo aɖeke mele eme o), ete ŋu nɔa te ɖe vidzidzi enuenu (steam/EO/gamma), dzoxɔxɔ si te ŋu nɔa te ɖe dzoxɔxɔ si nye 260°C nu. Kpɔ nyuie: mègawu 260°C (dzudzɔ si me aɖi le si wu 300°C), gamma keklẽ ate ŋu ana wòagbã, aɖo kpe vidzidzi ƒe mɔnuwo dzi, eye nàbia be woaŋlɔ sedziwɔwɔ ŋuti nuŋlɔɖi blibo (ISO 10993 ƒe nyatakakawo, MSDS, tsitsi ŋuti nyatakakawo). Menye na ʋudodo tẽ alo nusi wotsɔ dea lãme na ame zazã o negbe ɖe woda asi ɖe edzi koŋ hafi.

PTFE tape gbugbɔgazã nɔ te ɖe nu ene dzi: adhesive ƒe wɔwɔme (crosslink density si lolo, silicone ƒe ʋuʋu si bɔbɔ, microphase structure for repositionable tack), substrate anchoring (anyigba dzi dɔwɔwɔ + primer be woaxe mɔ ɖe adhesive ƒe asitɔtrɔ blibo nu), megbedede (ɖe asi le ƒuƒoƒo ŋu be wòakpɔ adhesive ta le unwinding me), kple eŋudɔwɔwɔ nyuie (adhesive ƒe anyigba dzadzɛ, peeling mɔnu nyuitɔ, ƒo asa na dzoxɔxɔ si gbɔ eme). Atike siwo ŋu wotrɔ asi le siwo woate ŋu aklɔ kple tsi ate ŋu axɔ >90% ƒe tack le wo ŋu kɔklɔ vɔ megbe.

PTFE kasɛt si ƒe dzoxɔxɔ keke ta hiã silicone PSA si léa nuléle ɖe te tso -70°C va ɖo 260°C. Nu vevi siwo le aɖaŋuwɔwɔ me: primer-anchored transition layer (xea mɔ na delamination), atsiaƒu-ƒukpo microstructure (MQ resin ƒukpowo + polysiloxane continuous phase), gradient crosslinking (high-density ememe ƒuƒoƒo na creep tsitretsitsi, low-density gota ƒuƒoƒo na low-temp tack), kple dzoxɔxɔ-si li ke fillers (cerium oxide na oxidation tsitretsitsi). Siloxane ƒe akpa siwo ŋu wotrɔ asi le kple phenyl tea dzoxɔxɔ si mebɔ o ƒe kristalowɔwɔ ɖe to, si wɔnɛ be woate ŋu atrɔ ɖe nɔnɔmewo ŋu le -100°C te.

Aokai PTFE ɖe eƒe adzɔnuwo ƒe hatsotso bliboa fia zi gbãtɔ le APFE Shanghai 2026 (Booth 6T602, Hall 6). Nusiwo woɖe fia dometɔ aɖewoe nye PTFE kasɛt siwo ŋu wotsɔ fiberglass do ŋusẽe, PTFE film dzadzɛwo, anti-static grades, kple dzoxɔxɔ gã ƒe conveyor belts – siwo tsyɔa nuɖuɖu ŋuti dɔwɔwɔ, PV lamination, lithium batriwo, elektrɔnikmɔ̃wo, kple nubablɛwo dzi. Adzɔnuawo katã adze egɔme vaseɖe June 26. Nuawo katã doa alɔ nusiwo wowɔ ɖe ɖoɖo nu.

PTFE ƒe dzoxɔxɔ gã ƒe tepe ƒe nuwuwu mo ƒe wɔwɔme si wotso la kpɔa ŋusẽ ɖe adhesive oozing kple nugbɔ kɔkɔ dzi tẽ le etsɔtsɔ wɔe me. Gbegblẽ nyuie o (aŋutsrɔe siwo me mekɔ o, dzogoe si mesɔ o) wɔa aŋe ƒe ka, enaa nugbɔ ƒe nulénu ƒe ƒuƒoƒoa nɔa sue, eye wòɖea fiberglass burrs ɖe go – si wɔnɛ be tsi dona, kadodo si gbɔdzɔ, eye wòkɔna le dzoxɔxɔ alo teteɖeanyi te. Nuwuƒe mo siwo mesɔ o (siwo le ƒutsotsoewo me, siwo dona ɖe gota) hea nyaƒoɖeamenu ƒe mama si mesɔ o vɛ, si wɔnɛ be adhesive creep le edzraɖoɣi. Nuwuƒe mo nyuitɔ la le gbadzaa, le tsia dzi, eye megblẽa nu le eŋu o – ewɔa dɔ abe nutrenu si xea nulénu la eye wòkpɔa egbɔ be nugbɔ ƒe kadodo bliboe.

Le PTFE tape coating me la, solvent volatilization rate of silicone pressure-sensitive adhesive nye dɔwɔwɔ ƒe nɔnɔme vevi aɖe. Kabakaba akpa → ŋutigbalẽ ƒe ʋuʋu le anyigba dzi, eƒe anyigba ƒe ƒuƒuiƒe nyuie o, pinholes (trepped solvent), kple craters (condensation alo contaminant-induced). Blewu akpa → sagging, eƒe gowo le ɣie, kple dewetting le low-surface-energy PTFE dzi. Mɔnu nyuitɔ kekeake: blewu gbãtɔ ƒe dzoxɔxɔ hena dzidzenu kple bubble si, emegbe kabakaba ƒuƒu hena nɔnɔmewɔwɔ. Zã atike siwo wotsaka (toluene/xylene + esi ƒuna kabakaba) kple dzodoƒe ƒe dzoxɔxɔ si le tɔtrɔm (si le bɔbɔe→ti titina→kɔkɔ).

PTFE ƒe dzoxɔxɔ gã ƒe tape megaléna ɖe eŋu o le eŋudɔwɔwɔ enuenu megbe le ɖiƒoƒo si le eƒe go dzi (ke, silicone ami), adhesive cohesive failure (nu susɔe), alo substrate ƒe kadodo si gbɔdzɔ ta. Egbɔkpɔnuwo: silicone PSA si ƒe crosslink lolo (ʋuʋudedi sue, tack/holding power si da sɔ), primer ƒe atikewɔwɔ ɖe PTFE substrate dzi, dense fiberglass backing, kple eŋudɔwɔwɔ nyuie (anyigba siwo le dzadzɛ, peel fafɛ, 180° angle). Agbɔsɔsɔme dodokpɔ ɖoa ​​kpe ŋgɔyiyi dzi.