Peroxide crosslinking agents kplɔa gbãtɔ ƒe gbegblẽ ƒe ʋuʋu ɖo, eye afã ƒe agbenɔƒe (t1/2) le dzoxɔxɔ si wona me nyea dzesi si wozãna zi geɖe.
Benzoyl Peroxide (BPO): Aɖabaƒoƒo 1 ƒe agbenɔƒe afã le abe. 131°C, gaƒoƒo 1 ƒe afã ƒe agbenɔƒe le abe. 92°C, gaƒoƒo 10 ƒe afã ƒe agbenɔƒe le abe. 72°C ƒe dzoxɔxɔ. Nusiwo dona tso gbegblẽ me enye CO2 kple benzoic acid, siwo ate ŋu ahe kuɖɔ vɛ bɔbɔe.
2. Dicumyl Peroxide (DCP) si wotsɔna ƒoa ƒui:
-1-aɖabaƒoƒo afã ƒe agbenɔƒe le abe. 171°C, gaƒoƒo 1 ƒe afã ƒe agbenɔƒe le abe. 135°C, gaƒoƒo 10 ƒe afã ƒe agbenɔƒe le abe. 115°C ƒe dzoxɔxɔ. Nusiwo dona tso emee nye acetophenone kple methane, eye woƒe ʋeʋẽ lilili nu sẽ vie.
3. Nudidi Do Ŋgɔ na Nyatakakawo Zazã
Asixɔxɔ siwo le etame nye nusiwo woatsɔ akpɔ nu dzadzɛwo gbɔe. Le atike siwo wotsɔna léa nu ɖe nu ŋu ŋutɔŋutɔ me la, atike siwo wotsɔna tsia nu, nusiwo wotsɔ yɔa nu me, kple nusiwo tsia dzoxɔxɔ nu ate ŋu ado kplamatse nusiwo gblẽna, eyata ehiã be woaɖɔe ɖo to DSC (Differential Scanning Calorimetry) dzidzedze dzi.
II. Susuŋudɔwɔwɔ na Dɔwɔwɔ ƒe Fesrea ƒe Sɔsɔ
1. Ðo Ɣeyiɣi Si Wonɔ te Ðe Agbɔsɔsɔme si Gblẽe Nu
Ele be adhesive layer la naɖo 97%–99% crosslinking (anɔ abe 5–7 afã ƒe agbenɔƒe ene). Eyata ele be ɣeyiɣi si woatsɔ awɔ dɔe la nanye afã ƒe agbenɔƒe ƒe teƒe 5–7 le dzoxɔxɔ si woɖo be wòanɔ la me.
2. Back-Bu akɔnta Dzoxɔxɔ tso Production Line Nɔƒe Ɣeyiɣi
Ne dzoxɔxɔ ƒe ɣeyiɣi nyuitɔ le dzodoƒea nye miniti 5 eye ɣeyiɣi afã 5 hiã hafi woawu enu la, ekema t1/2 ≤ miniti 1 si hiã. Aɖabaƒoƒo 1 ƒe afã ƒe dzoxɔxɔ anɔ abe. 131°C na BPO kple abe. 171°C na DCP. Ele be woaɖo dzoxɔxɔ si woatsɔ awɔ dɔe la ɖe asixɔxɔ sia dzi alo wòawu enu vie.
3. Trɔ Akɔnta Bu Ɣeyiɣi Tso Dzoxɔxɔ Si Woɖe Mɔ Na Dzi
Gbã la, kpɔ dzoxɔxɔ si sɔ gbɔ wu (Tmax) si nusi wotsɔ blae kple nusi wotsɔ léa nu ɖe nu ŋu ate ŋu anɔ te ɖo. Di afã ƒe agbenɔƒe le dzoxɔxɔ ma me, emegbe nàbu ɣeyiɣi suetɔ kekeake si nànɔ anyi to edzidzidzedze zi gbɔ zi 5–7 me, be nàxe mɔ ɖe dzoxɔxɔ ƒe nugbegblẽ le dzoxɔxɔ si gbɔ eme nu.
III. Fesre Siwo Wotsɔna Daa Dɔe na Teflon Tape
Teflon-nulénu la te ŋu nɔa te ɖe dzoxɔxɔ nu nyuie ŋutɔ, gake silicone-nulénu si wotsɔna léa nu ɖe nu ŋu si te ŋu nɔa te ɖe nyaƒoɖeamenu nu lae nye nusi xea mɔ na wo. Wodo ɖoɖo eve ɖe ŋgɔ si wotu ɖe crosslinker ƒe nɔnɔmewo dzi.
Kpɔɖeŋu: Ne dzoxɔxɔ 125°C le dzodoƒea la, BPO ƒe afã ƒe agbenɔƒe anɔ abe 125°C ene. miniti 2.5, eyata afã ƒe agbenɔƒe 5 xɔa abe miniti 12.5 ene. Be woawɔ dɔ kabakaba la, woate ŋu ado dzoxɔxɔa ɖe dzi va ɖo 135°C (t1/2 ≈ sɛkɛnd 45), eye woawu dɔa nu le miniti 5 me. Gake ele be woalé ŋku ɖe CO2 micro-bubble nyawo ŋu; wokafu dzoxɔxɔ si wotsɔa afɔɖeɖe alo titina nip rollers.
2. DCP Kɔkɔ-Dzoxɔxɔ Li ke Ðoɖo
Esɔ na kasɛt ɣiwo kple nusiwo hiã dzoxɔxɔ gã ƒe ŋusẽ nyui aɖe si léa nu ɖe te. Fesre: 150–175°C, miniti 5–15.
Kpɔɖeŋu: Ne dzoxɔxɔ 160°C la, DCP ƒe afã ƒe agbenɔƒe anɔ abe 160°C ene. miniti 1.5, eyata afã ƒe agbenɔƒe 5 hiã miniti 7.5. Ne wodoe ɖe dzi va ɖo 170°C la, eɖea afã ƒe agbenɔƒe dzi kpɔtɔna va ɖoa abe 170°C ene. miniti 0.8, si ɖoa gbegblẽ si wu 97% gbɔ le miniti 5 me, si sɔ kple nusiwo wowɔna kabakaba. PTFE ƒe didime li ke le dzoxɔxɔ sia me, si wɔe be esia nye dɔwɔƒewo ƒe fesre nyui aɖe.
IV. Nya Vevi Siwo Ŋudɔ Woate Ŋu Atsɔ Awɔ Ðekae
1. Nuwɔwɔ aduadu le dzoxɔxɔ kple gbegblẽ ƒe nɔnɔmewo dome
Zã gradient si nye 'low-temperature initiation → high-temperature full crosslinking.' Le kpɔɖeŋu me, le DCP me la, gbã la, na adhesive la nasi eye wòatsɔ tsi ado le PTFE la me le 130°C, emegbe nàdo dzoxɔxɔa ɖe dzi va ɖo 165°C be nàwu eƒe dɔyɔyɔ nu. Esia ɖea anyigba ƒe nɔnɔme madeamedziwo dzi kpɔtɔna eye wònana sekea ƒe seƒoƒo nyona ɖe edzi.
2. Ele Be Woatsɔ Agbe Afã Ŋuti Nyatakakawo Asɔ Ðe Mɔnukpɔkpɔ Ŋutɔŋutɔ Nu
Nusiwo xea mɔ na nu alo atike siwo le atike si wotsɔna léa nu ɖe nu ŋu me ate ŋu atrɔ alesi wògblẽnae. Zã DSC nàtsɔ adzidze curing exothermic curve, di ɣeyiɣi si nàtsɔ aɖo reaction rate si sɔ gbɔ wu le dɔwɔwɔ ƒe dzoxɔxɔ me, eye nàgbugbɔ akɔ akɔnta le afã ƒe agbenɔƒe si sɔ ŋu ɖe enu. Mègaxɔ dzidzenu siwo wozãna ɖaa ŋkumaʋumaʋui o.
3. Substrate Dzoxɔxɔ Ŋutinya Ŋu bubu
Teflon film si wowɔ le kekeme ate ŋu ato dzoxɔxɔ ƒe ʋuʋu me wu 200°C. Ne èle DCP ƒe dzoxɔxɔ gã ƒe fesre zãm la, ele be woatsɔ aŋɔ awɔ nusi le ete la do ŋgɔ alo woatia skived film si me mekɔna boo o be wòaxe mɔ ɖe tape ƒe ƒoƒo nu le eƒe dɔyɔyɔ vɔ megbe.
Kpuie ko la: Nɔ te ɖe dzoxɔxɔ ƒe ɣeyiɣi ŋutɔŋutɔ si le ewɔwɔ ƒe mɔ̃a ŋu dzi, tia dzoxɔxɔ ƒe teƒe si ƒe afã ƒe agbenɔƒe aɖi kɔ na 'n × afã ƒe agbenɔƒe ≈ ƒe nɔƒe,' ale be wòasɔ pɛpɛpɛ kple BPO alo DCP ƒe gbegblẽ ƒe nɔnɔmewo kple Teflon tape ƒe dɔyɔyɔ ƒe ɖoɖoa.
Míeléa subɔsubɔ ƒe xexemenunya si wotu ɖe dɔnyala kple fɔmaɖimaɖi dzi me ɖe asi ɣesiaɣi, eye míetsɔ mía ɖokui na be míana egbɔkpɔnuwo le teƒe ɖeka kple subɔsubɔdɔ si me woalé ŋku ɖo la wò!
