PTFE ƒe dzoxɔxɔ gã ƒe tape si wodzra ɖo le nɔnɔme aɖewo koŋ me (10-25°C, 40-70% RH, adzɔge tso UV/nyaƒoɖeamenu sesẽ gbɔ) ƒe agbenɔƒe si woɖo ɖi enye ɣleti 3-6 (dzidzenu nyuitɔ vaseɖe ɣleti 12). Nu vevi siwo gblẽa nu le eŋu: mele be lãgbalẽ ƒe ŋusẽ naɖiɖi wu 70% le asixɔxɔ gbãtɔ me o; nusi léna ɖe nu ŋu ƒe akpa aɖeke meli le dzoxɔxɔ gã aɖe ɖeɖeɖa megbe o; carbonization alo cracking aɖeke mele dzoxɔxɔ si woɖo ɖi me o. Dodokpɔ kabakaba: asi ʋuʋu ƒe seselelãme, 260°C ƒe nugbagbevi susɔe dodokpɔ, kple lamination shrinkage dodokpɔ.

PTFE tape si woxatsa ate ŋu atu interlayer adhesion (blocking) kple adhesive transfer le ɣeyiɣi didi ƒe nudzraɖoƒe. Nusiwo gbɔ wòtso: PTFE film elastic memory kple silicone PSA creep le nyaƒoɖeamenu/dzoxɔxɔ te. Mɔxexe ɖe enu: gradient winding tension (gotagome sesẽ, ememe loose) le ewɔwɔ me, tsɔ kpe ɖe asiɖeɖe le nutsyɔnu le akpa si meléna ɖe nu ŋu o. Dzrae ɖo ɖe -15°C va ɖo 40°C, 30-70% RH, le tsia dzi le agbawo dzi, trɔ agbalẽ xatsaxatsawo le ɣleti etɔ̃ ɖesiaɖe me. Ne èdi be yeakpɔ nusiwo wotsɔna léa nu ɖe ​​nu ŋu ƒe hatsotso siwo le ɣie la, tsɔ pepa si ɖea asi le nu ŋu kpe ɖe eŋu le ƒuƒoƒoawo dome.

PTFE dzoxɔxɔ gã ƒe kasɛt siwo wodzra ɖo ɖe agbalẽ xatsaxatsa ƒe nɔnɔme me ate ŋu akpe fu le interlayer adhesion (blocking) kple adhesive transfer yi non-stick akpa. Nusiwo gbɔ wòtso: PTFE film elastic memory kple silicone PSA creep le nyaƒoɖeamenu kple dzoxɔxɔ te. Egbɔkpɔnu: gradient winding tension – sesĩe le gotagome ƒuƒoƒo dzi, loose le ememe ƒuƒoƒo dzi – zã closed-loop tension control. Kpe ɖe eŋu kple asiɖeɖe le nu ŋu ƒe nutsyɔtsyɔ, nudzraɖoƒe nyuie (15-40°C, 30-70% RH), eɖoɖo ɖe tsia dzi, kple agbalẽ xatsaxatsa ƒe tɔtrɔ le ɣleti etɔ̃ ɖesiaɖe me.

Ele be PTFE ƒe dzoxɔxɔ gã ƒe kasɛt si wozãna le nuɖuɖu ƒe kadodo me nade bubu dzoxɔxɔ ƒe seɖoƒe sesẽwo ŋu: ≤260°C na zazã atraɖii (ɣeyiɣi aɖeke meli o), 260-300°C hena miniti 30 ko, eye wode se ɖe >300°C nu. Tepe la nye na kadodo si metso tẽ o ko (tray liners, heat sealer covers), ke menye nuɖuɖu babla tẽ o. Mègawɔ dɔ nuɖuɖu ƒe agba manɔmee gbeɖe o (dzoxɔxɔ ƒuƒu). Tsɔe ɖɔ li ne ʋuʋudedi, ɣie, alo vuvu.

Silicone pressure-sensitive adhesives (PSA) na PTFE dzoxɔxɔ gã ƒe kasɛtwo to vovo ŋutɔ le dzoxɔxɔ gã ƒe tsitsi ƒe dɔwɔwɔ me. Methylphenyl silicone PSA léa >85% ƒe lãgbalẽ ƒe ŋusẽ me ɖe asi le 250°C/ŋkeke 7 megbe, esime methyl ƒomevi si wozãna ɖaa ɖiɖina va ɖoa 50-70%. Addition-cured (hydrosilylation) systems naa liƒo nyuitɔ sã wu peroxide-cured. Ne èdi be yeawɔ dɔ le 200°C+ si yia edzi la, tia phenyl ƒe dzesi siwo wotsɔ kpe ɖe wo ŋu siwo woda gbe le.

Ele be dzoxɔxɔ ƒe PTFE pressure-sensitive adhesive (PSA) kasɛtwo nakplɔ dzoxɔxɔ esime wole ƒoƒom. Fillers tsɔtsɔ kpe ɖe eŋu nana dzoxɔxɔ ƒe tsɔtsɔme nyona ɖe edzi gake egblẽa nu le adhesion ŋu. Dadasɔ nyuitɔ zãa nu suesuesue siwo le dzogoe ene me siwo le ƒuƒuie (abe ƒunukpeƒe si kplɔa nu ene) siwo wotsɔ tsaka kple nusue suesuesuewo (be woatsɔ ayɔ teƒe siwo le ƒuƒlu me), si wɔnɛ be agba si wotsɔ yɔa nuawo katã me nɔa tsi si sina toa eme ƒe dzidzenua dzi vie. Ƒo asa na flakes kple fibers; wowua tack.

PTFE dzoxɔxɔ gã tape subɔa PV dɔwɔƒea le akpa vovovo eve me: dɔwɔwɔ consumable (xea mɔ na EVA overflow adhesion le laminators, solder mask) kple agbe didi xɔxlɔ̃ (busbar wrap, junction box fixation). Le ememe zazã tegbee la, ele be kasɛtwo nato IEC 61215: 1000-2000h dzoxɔxɔ si me tsi le, UV, dzoxɔxɔ ƒe tsatsam (-40°C va ɖo +85°C), kple silicone PSA kple shrinkage <1%.

PTFE ƒe dzoxɔxɔ gã ƒe kasɛt si wotsɔ dea dzoxɔxɔ-nutrenu hɛwo kple nutrenu ƒe kakɛwo ŋu naa asixɔxɔ vevi ene: xea mɔ na aŋe si wotsɔ ƒo ƒu ƒe ƒoƒo (eɖea ɣeyiɣi si me womewɔa dɔ o ɖa), ekpɔa nutrenu siwo xɔ asi ta, enaa dzoxɔxɔ/nyaƒoɖeamenu ɖeka hena nutrenu siwo nɔa anyi ɖaa, eye wòɖea film ƒe ʋuʋu dzi kpɔtɔna. Wokafui be woatsɔ fiberglass-backed tape (0.13-0.25 mm) si me silicone PSA (≥260°C) le. Anti-static black tape na fli siwo zɔna kabakaba.

Wokpɔa tsi ƒe dzoxɔxɔ mɔxenu ƒe nɔnɔme si le PTFE adhesive tape ŋu koŋ to nutsyɔnu ƒe gbɔdzɔgbɔdzɔwo (micropores, microcracks, fiber wicking) me tsɔ wu PTFE ƒe tsivɔvɔ̃ ŋutɔŋutɔ. Pure PTFE film naa WVTR si le titina ko. Multi-layer coating kple lamellar fillers (mica, glass flakes) wɔa labyrinth effect, si ɖea yaƒoƒo ƒe kaka dzi kpɔtɔna ŋutɔ. Ne èdi be yeatsɔ nutrenu si me fafa le ŋutɔ la, gblɔ nusiwo woatsɔ atsyɔ nu wo dzi si me wode tsii.

PTFE ƒe dzoxɔxɔ gã ƒe adhesive tape ƒe creep tsitretsitsi le ɣeyiɣi didi ƒe agba madzudzɔmadzudzɔe te (vevietɔ le 200-260°C) la, wotsɔa nu eve dea dzesii: silicone PSA crosslink density (crosslinking si lolo wu xea mɔ na sisi) kple substrate ƒomevi (fiberglass-reinforced PTFE tsi tre ɖe cold creep ŋu; pure PTFE film creepps). Aŋe si wometsɔ ka blae o la doa kpo nu kabakaba ne dzoxɔxɔ sesẽ. Nusiwo wotsɔna léa nu ɖe ​​nu ŋu siwo le kpekpem wu dzia afɔku si le ʋuʋu me ɖe edzi.