Wozãa PTFE ƒe dzoxɔxɔ gã ƒe kasɛt zi geɖe le dɔwɔwɔ siwo me wòle be woaɖee ɖa ahagbugbɔe asisi zi geɖe – le dzoxɔxɔ ƒe nutrenuwo dzi le tɔtrɔɣiwo, le 3D agbalẽtamɔ̃ ƒe abawo dzi, alo abe ɣeyiɣi kpui aɖe ƒe nutsyɔnu le elektrɔniknuwo ƒe kpekpe me ene. Gake le tsatsam ʋɛ aɖewo megbe la, kasɛt geɖe megawɔa dɔ nyuie o, wogblẽa nusiwo susɔ ɖi, alo womete ŋu blana o.
Nya nyuia: woate ŋu ana gbugbɔgazã nanyo ɖe edzi ŋutɔ to ŋgɔyiyi siwo wowɔ ɖekae le didime ene me: adhesive formulation , substrate treatment , backside coating design , kple dɔwɔwɔ nyuie & beléle na.
Aokai PTFE wɔ PTFE kasɛt siwo woate ŋu azã ake to gɔmeɖose siawo zazã me. Mɔfiame sia ɖe akpa ɖesiaɖe me tsitotsito.
Adhesive Formulation Optimization – Nu vevitɔ
Nusi wotsɔna léa nu ɖe nu ŋu ŋutɔe nye nu vevitɔ si dea dzesii be woate ŋu azãe ake. Ene wɔwɔ ƒe mɔnuwo nana adhesion ƒe dɔwɔwɔ enuenu nyona ɖe edzi.
1. Na ɖekawɔwɔ ƒe ŋusẽ kple crosslink density nanyo ɖe edzi
Xɔ silicone-go si ƒe polymerization-degree deŋgɔ eye nàdzi crosslinking teƒewo ɖe edzi be nàtrɔ adhesive layer la wòazu elastic solid. Esia xea mɔ na aŋenu ƒe vuvu alo nusi léna ɖe ame ŋu ƒe ʋuʋu ne wole eɖem enuenu eye wòɖea aŋea ƒe akpa si wotsɔ blaa eɖokui la dzi kpɔtɔna. Atike si wotsɔ blaa nu nyuie la ɖea eƒe aŋgba dzadzɛ tsɔ wu be wòamã le ememe.
2. Silicone ƒe ʋuʋu ƒe mɔnu si bɔbɔ
Zã platinum-catalyzed addition curing system eye nàɖe nusiwo ƒe molecule ƒe kpekpeme mede o ɖa nyuie. Esia xea mɔ na silicone-mi si me molecule suewo le si ƒoa ɖi nusi wotsɔ léa nu ɖe nu ŋu la ƒe dodo eye wòƒoa asa na eƒe ʋeʋẽ ƒe ɖiɖi atraɖii. Atike siwo meʋuʋuna boo o léa woƒe tack gbãtɔ me ɖe asi le tsatsam geɖe me.
3. Microphase wɔwɔme na repositionable adhesion
Tsɔ MQ silicone resin kpe ɖe eŋu alo nàwɔ polymer network si gena ɖe wo nɔewo me be nàwɔ hard segment–soft segment microphase separation :
Akpa sesẽwo – naa ɖekawɔwɔ be woatsi tre ɖe aŋɔ si susɔ ƒe asitɔtrɔ ŋu
Akpa falɛfalɛwo – na tackiness
Woate ŋu axɔ ʋeʋẽa ƒe akpa aɖe ne wotutu ke le edzi vɔ. 'repositionable' nɔnɔme sia nyo na dɔwɔwɔ siwo hiã asitɔtrɔ geɖe le kpekpeɣi.
4. Tsi-klɔ recoverable asitɔtrɔ adhesive
Ne ke ƒo ɖi nusi wotsɔ léa nu ɖe nu ŋu la, woate ŋu atsɔ tsi dzadzɛ alo atike fafɛ aklɔ silicone-nulénu sia si ŋu wotrɔ asi le, eye wòagaxɔ eƒe 90% kple edzivɔ le eƒe ƒoƒo gbãtɔ me le etutu vɔ megbe. Esia xɔ asi ŋutɔ na xɔ dzadzɛwo alo elektrɔnikmɔ̃wo zazã le afisiwo ɖiƒoƒo womate ŋu aƒo asa na o.
Do ŋusẽ Anchoring Ŋusẽ le PTFE Substrate kple Adhesive Layer Dome
PTFE ɖea ŋusẽ si bɔbɔ ŋutɔ le anyigba dzi (18-20 dynes/cm), si hea aŋenu ƒe asitɔtrɔ blibo vɛ bɔbɔe – aŋenu bliboa kɔna tso megbea dzi – atikewɔwɔ tɔxɛ manɔmee.
1. Substrate ƒe anyigba ƒe dɔwɔwɔ
Wɔ atikewo ƒe nuŋɔŋlɔ kple sodium-naphthalene complex alo plasma dɔwɔwɔ ɖe PTFE fiberglass avɔ dzi be woatsɔ ato polar ƒuƒoƒowo abe C=O kple -OH ene vɛ, si ana atikewo ƒe kadodo alo mɔ̃ɖaŋununya ƒe kadodo sesẽ nanɔ adhesive kple substrate dome. Esia wɔnɛ be nusi léna ɖe nu ŋu la meɖena le megbea ŋu ne wole eɖem o.
2. Primer ƒe nutsyɔnu tɔxɛ
De reactive primer hafi adhesive coating be nàtu atike ƒe tɔdzisasrã ɖe PTFE kple silicone adhesive dome, si aɖe anchoring ƒe kpododonu ɖa keŋkeŋ. Primer la wɔa dɔ abe molecule ƒe kadodo ene, eye wòblaa ɖe PTFE ƒe anyigba si wowɔ dɔ kple silicone PSA siaa ŋu.
Aokai PTFE zãa primer ɖoɖo si nye etɔ si kpɔa egbɔ be zero adhesive transfer yi megbe la le 10+ ɖeɖeɖa ƒe tsatsam megbe gɔ̃ hã.
Megbe (Release Surface) Atikewɔwɔ ƒe Dɔwɔwɔ Nyuie
PTFE megbe la naa asiɖeɖe le eŋu ƒe dɔwɔwɔ le dzɔdzɔme nu, ke hã ne woƒoe enuenu eye woʋui la gakpɔtɔ gblẽa nu le nusi léna ɖe nu ŋu la ŋu to ʋuʋudedi kple micro-tearing me.
1. Enhanced asiɖeɖe le dɔwɔwɔ megbe nutsyɔnu
De si ƒe crosslink-density si lolo wu fluorosilicone alo silicone release layer ɖe PTFE ƒe megbe. Eléa ŋusẽ si li ke si me woɖea nu le me ɖe asi le dzoxɔxɔ gã kple nutete ɣeyiɣi didi me, si xea mɔ na ka si le etame ƒe hehe kple nusi gblẽa nu le nusi léna ɖe nu ŋu hafi gazãnɛ ake.
2. Embossed alo micro-structured megbe
Ðe teƒe ŋutɔŋutɔ si megbeƒua kple nusi léna ɖe nu ŋu dome la dzi kpɔtɔ, eye nàɖe ŋusẽ si gblẽa nu le aŋɔ ŋu enumake le aŋɔɖeɖe me dzi akpɔtɔ. Micro-textured surface sia ɖea 'stick-slip' ŋusẽkpɔɖeamedzi si ateŋu avuvu adhesive la dzi kpɔtɔna.
Dɔwɔwɔ Kple Beléle Na Eŋu ƒe Mɔfiamewo
Kasɛt si ŋu wotrɔ asi le nyuie wu gɔ̃ hã ado kpo nu kaba ne womewɔ eŋudɔ nyuie o. Nuwɔna nyuiwo kekea eŋudɔwɔwɔ ake ɖe enu ŋutɔ.
1. Active cleaning of adhesive ƒe anyigba
Keke si le anyigba dzi ƒe ɖiƒoƒo gbɔe viscosity ƒe ɖiɖi tsona wu. Tsɔ avɔ si me ke mele o si wotsɔ nyrɔ ɖe tsi dzadzɛ alo aha si me tsi mele o me tutu edzi blewuu le mɔ ɖeka nu, emegbe nàtsɔ ya aƒu gbe le dzɔdzɔme nu alo kple ya fafɛ – tackiness ahaya ɖedzesi aɖe. Dzadzɛnyenye edziedzi le wo zazã domee nye beléle na xɔa ƒe afɔɖeɖe ɖeka kolia si wɔa dɔ wu.
2. Ƒo asa na nusiwo gblẽ le dɔwɔwɔ ƒe nɔnɔme siwo gbɔ eme me
Ðe lãgbalẽa blewuu le dzogoe sue aɖe si dzi woaɖee le (si gogo 180°) be wòaɖe afɔku siwo le kadodo ƒe kpododonu me dzi akpɔtɔ.
Mègazã dzoxɔxɔ si wu esi woɖo ɖi o – aŋea atsi eye wòasesẽ, eye magate ŋu azãe ake o.
Klɔ adherend ƒe anyigba do ŋgɔ – ami ƒe ɖi ƒoa ɖi adhesive layer kabakaba eye womate ŋu aɖee ɖa keŋkeŋ o.
3. Ðe ya ƒe kuɖɔwo ɖa le lamination wɔwɔ me
Ke te ŋu ƒoa ƒu ɖe kuɖɔ ƒe gowo ŋu eye wòʋãa nuteɖeamedzi si le teƒea, si wɔnɛ be nusiwo léna ɖe nu ŋu la tsina kabakaba. Ne wozãe nyuie si me bubble mele o (zã squeegee alo roller) nana kasɛt la ƒe agbenɔƒe si woate ŋu azã ake la didina ɖe edzi.
Kpuie ko la – Akpa Ene siwo le Gbugbɔgazã ƒe nyonyo me
Dimension ƒe didime
Afɔɖeɖe Vevitɔ
Viɖe
Atike si wotsɔ léa nu ɖe nu ŋu ƒe wɔwɔme
Crosslink density gã, ʋuʋu sue, tsi-klɔ
Klɔ asiɖeɖe le eŋu, tack hayahaya
Substrate ƒe sekewɔwɔ
Anyigbadzidɔwɔwɔ + primer
No adhesive transfer to megbedede dzi o
Akɔta ƒe nutsyɔnu
Ðe asi le ƒuƒoƒo + micro-embossing ŋu
Ekpɔa nusi léna ɖe nu ŋu ta le eƒe ʋuʋu me
Dɔwɔwɔ & beléle na wo
Klɔ anyigba dzi, eƒe lãgbalẽa sɔ, si me kuɖɔ mele o
Ekekea gbugbɔgazã ƒe tsatsam ŋutɔŋutɔwo ɖe enu
Aokai PTFE wɔa PTFE kasɛt siwo wowɔ nyuie be woate ŋu alé wo ɖe wo nɔewo ŋu enuenu. Míaƒe tsi-klɔ grades ate ŋu agbugbɔ >90% tack le dzadzɛnyenye megbe, eye míaƒe primer ɖoɖoa kpɔa egbɔ be zero adhesive transfer. Te ɖe mía ŋu hena adzɔnuwo ƒe aɖaŋuɖoɖowo kple tsatsam dodokpɔ ŋuti nyatakakawo.
Míewɔna ɖe subɔsubɔ xexemenunya si nye dɔwɔwɔ nyuie kple fɔmaɖimaɖi dzi, si míetsɔ mía ɖokui na be míana egbɔkpɔnu siwo wowɔ ɖekae le teƒe ɖeka kple asisiwo subɔsubɔ si ŋu wobu nyuie la wò!
