Minɛ fanga – se min bɛ kɛ kaseti nɔrɔlen na ka sɔgɔsɔgɔninjɛ degun kɛlɛ ani ka to a nɔ na doni basigilen kɔrɔ, kɛrɛnkɛrɛnnenya la funteni kɔrɔtalen na – o ye baarakɛcogo jateminɛ nafama dɔ ye PTFE kasɛti nɔrɔlen funteni caman . Minɛ fanga jugu bɛ na ni kaseti sɔgɔli ye, nɔrɔfɛn tolenw, ani minɛnw nɔgɔli.
Sariyakolo koloma min bɛ se ka minɛ fanga ɲɛ, o ye fila ye: ka nɔrɔlan ka jɛ fanga bonya ani ka nɔrɔlan ni PTFE substrat cɛ ɲɔgɔndan fanga barika bonya.
Aokai PTFE ye finidoncogo ni furakɛlicogo fila bɛɛ ɲɛnabɔ ka ɲɛ walasa ka se ka minɛcogo ɲuman sɔrɔ. Nin gafe in bɛ furakɛli kɛcogo sigilenw ɲɛfɔ nin fɛn dilanni taabolo jɔnjɔn fila in kɔnɔ.
Coating Process Optimization – Jɛkulu jɔli
Datugulan kɛcogo bɛ a jɔcogo, a janya kelen, ani a sirili fanga ni substrat (sɔgɔlan) sirili dantigɛ k’a ɲɛsin a ma – o ye minɛ fanga ɲuman jusigilan ye.
1. Primer coating – o ye PTFE ka nɔrɔbaliya fura koloma ye
PTFE bɛ sanfɛla fanga dɔgɔya kosɛbɛ (dynes 18-20/cm), o b’a to nɔrɔlen bɛ kɛ sababu ye ka integral peeling kɛ ni funteni caman bɛ sɔgɔsɔgɔli degun kɔrɔ. Primer coating kɛcogo ka kan ka kɛ ka sɔrɔ ka sanfɛla nɔrɔlen datugu.
Primer sugandili : Silane coupling agents walima silicone primers kɛrɛnkɛrɛnnenw (furazi minnu ɲagaminen don ni tackifying resin ani reactive silane ye) bɛ ta ka caya. Ni silikɔni PSA furakɛli faralen don a kan, vinyl walima epoxy functional silane-based primers de ka fisa.
Taabolo kɔlɔsili yɔrɔ kolomaw:
Ultra-thin primer film : Aw bɛ filimu jalen janya kɔlɔsi 0,5–2 μm kɔnɔ – primer tɛmɛnen bɛ danyɔrɔ barikama dɔ dilan min bɛ dɔ bɔ minɛ fanga la.
Jali ka kɔn ka ɲɛ: Aw bɛ furaji kɛ ka a labɔ pewu ani ka a wulicogo/kɛrɛnkɛrɛnnenya daminɛ ka dafa sani aw ka sanfɛla datugu, ka furaji fɔlɔw bali ka taa sanfɛ nɔrɔli la.
Surface treatment in-line + primer coating : Aw bɛ plasma walima corona furakɛli kɛ ɛntɛrinɛti kan PTFE substrat kan joona sani aw ka primer kɛ walasa ka surface activation dɔgɔya.
2. Nɔrɔlan girinya ni a kelen-kelen bɛɛ kɔlɔsili tigitigi
A ka c’a la, minɛni fanga bɛ wuli ni nɔrɔli girinya ye, o bɛɛ n’a ta, finimugu min ka bon kojugu, o bɛ nɔrɔli wulicogo juguya funteni caman na ani ka minɛcogo fanga dɔgɔya ka segin a kan.
Nɛgɛ jalen janya ɲuman : Silikoni PSA bɛ se ka minɛ fanga ɲuman sɔrɔ ni a janya jalen ye 30–60 μm ye.
Datugulan kɛcogo minnu bɛ kɛ ka ɲɛ kosɛbɛ : Aw bɛ koma dacogo, slot die dacogo, walima mikro gravure dacogo ɲumanba ta walasa ka janya ni cɛmancɛ janya muɲuni to ±2 μm kɔnɔ . Janya tɛ kelen ye, o bɛ degun caman bila mɔgɔ la, o bɛ na ni kari ye min bɛ daminɛ yɔrɔ finman na minɛ fanga sɛgɛsɛgɛli waati.
3. Jilama nɔrɔlenw furakɛli ɲɛfɛ ani balocogo
Vacuum defoaming : Aw bɛ gazi nɔrɔji bɔ vacuum kɔnɔ a ɲagaminen kɔfɛ walima sani a ka fini don walasa ka yɔrɔ lakolonw bali ka bonya furakɛli waati, minnu bɛ kɛ i n’a fɔ farali daminɛyɔrɔw doni basigilen kɔrɔ.
Aw bɛ a ɲagami ɲɔgɔn na ani ka a kɔgɔ : Ni aw bɛ silikoni nɛgɛmafɛn fila kɛ, aw bɛ ɲagamikɛlan jɔlen dɔ bila sen kan walasa ka balo tilennen sɔrɔ ani ka ji sigi waati kɔlɔsi walasa ka a jira ko a ka kɛ cogo kelen na fɔlɔ ani ka sigida la, yɔrɔ barikamaw bɔ yen minnu bɛ ɲɔgɔn siri.
Saniya sabatili : Aw bɛ finimugu kunkolow labɛn ni buguri tɛ minnu na ani ka nɔrɔji filɛ ni filɛtiriw ye minnu janya ye 5–10 μm ye walasa ka nɔgɔ fɛnɲɛnamafagalanw bali minnu bɛ degun bila mɔgɔ la.
Curing Process Optimization – Kɔrɔbɔli baarakɛcogo la
Curing bɛ crosslink density laban, kɔnɔna degun hakɛ, ani residual molecule small molecule content dantigɛ – minnu bɛ cohesive fanga ni high-temperature creep resistance ɲɛminɛ.
1. Aw bɛ a sumaya senfɛ-senfɛ ani ka a furakɛ ni yɔrɔ caman ye
Dakun
Goniyahakɛ
Kun
Furakɛcogo min bɛ kɛ ni funteni dɔgɔman ye, o bɔli
80–100°C ye
Aw bɛ furaji wuli ni a sigili waati bɛrɛ ye; aw bɛ aw yɛrɛ tanga ɲɛda farilabɔli ma joona min bɛ kɔnɔna furaji minɛ
Funteni cɛmancɛ-sɛnɛcogo
120–140°C ye
Form preliminaire crosslink network, ka fɔlɔ masin fanga di, ka taa a fɛ ka residual solvent ban
Funteniba jugumanba crosslinking
150–220°C (a bɛ se ka ladilan ka kɛɲɛ ni nɔrɔ suguya ye) .
Kɔrɔsili dafalen dafalen; funteni kɔlɔsili tigitigi nafa ka bon kosɛbɛ
Hakilila jɔnjɔnw : Sumaya senfɛ-senfɛ, o bɛ nɔgɔya ka kɛ sababu ye ka rezo kelen, min ka bon, min bɛ kɛ ni yɔrɔ saba ye, nɔrɔlen kɔnɔ, o bɛ minɛcogo ɲuman di kosɛbɛ ni i y’a suma ni tobilikɛcogo kelen ye min bɛ kɛ ni funteni caman ye. Funteni dafabaliya bɛ na ni ɲɔgɔndanbaliya ye ani ka kɛ sababu ye ka ɲɔgɔndan nɔgɔlen kɛ; funteni kojugu bɛ se ka kɛ sababu ye ka nɔrɔli kɔrɔya walima kɔnɔna degunba bila mɔgɔ la ka bɔ funteni dɔgɔyali la min tɛ bɛn.
2. Furakɛli kɔfɛ furakɛli ni kɔgɔli
In-line post-curing: Aw bɛ foro yɔrɔ janyalen dɔ sigi sani aw ka a lamini ni funteni ka dɔgɔn dɔɔni ka tɛmɛ crosslinking funteni hakɛ dantɛmɛnen kan walasa ka funteni tariku janya ani ka crosslinking reaction dafalen kɛ.
Kuru kɔgɔli kɛnɛyali : Aw bɛ joginda kasɛti kurulenw bila foro kɔnɔ min funteni bɛ to sen na ( 40–60°C fo lɛri 24–48 ) walasa u ka mara yɔrɔ kelen na. Nin wale in na:
A bɛ crosslinking reaction tolenw dafa dɔɔni dɔɔni
A bɛ kɔnɔna degun lafiya min bɛ sɔrɔ funteni bonyabaliya fɛ substrat ni adhesive cɛ
A bɛ doni tali baara kuntaalajan ɲɛ kosɛbɛ funteni caman kɔrɔ
Staged tension annealing : Aw bɛ tension cyclique dɔɔni kɛ kaseti kurulen na kɔgɔli waati walasa ka degun bɔli dɛmɛ.
3. Fiɲɛ ni sigida kɔlɔsili furakɛli
Lamini min nɛnɛ ka dɔgɔn, o ladonni : Silikoni nɔrɔlen min bɛ furakɛli kɛ ni nɛnɛ ye, o la, lamini ji hakɛ danmadɔ bɛ a sen don ɲɔgɔndan na, ka sɔrɔ nɛnɛ kojugu bɛ kɛ sababu ye ka farikolo yɔrɔ fari teliya joona ani ka kɛnɛya juguman bali. Silikɔni nɛgɛ min bɛ kɛ ka fara a kan, o bɛ kisɛ ni azote bɛ minnu na, olu faranfasi kosɛbɛ walasa ka baga bali ka kɛ katalisita ye.
4. Tension ni shrinkage degunw labɛnni
PTFE filimu ka teli ka janya ani ka sumaya dɔgɔya funteni caman na.
Tansiyɔn dɔgɔman: Aw bɛ substrat tension (jiginni) mara tuma bɛɛ ani a ka dɔgɔn foro kɔnɔ walasa aw kana kɛnɛya ni nɔrɔli sɔgɔlen don. Nɛnɛ kɔfɛ, substrat shrinkage subjects adhesive to persistent compressive/shear internal stress – o bɛ dɔ bɔ kosɛbɛ minɛ fanga la.
Substrat (substrat) sumaya ka kɔn : Aw bɛ PTFE substrat sumaya ka tɛmɛ a nɔrɔlen ji funteni kan dɔɔni sani aw ka a datugu walasa ka finimugu jisigicogo ɲɛ ani ka funteni-sɔgɔli jugumanba dɔgɔya foronto dondaw la.
Kuma surun – Coating and Curing Optimization sɛgɛsɛgɛli sɛbɛn
Aw bɛ furaji bɔli dafalen kɛ sani aw ka sanfɛla datugu
Primer ka finimugu
Surface activation (Surface) baarakɛcogo
Plasma/corona in-line ka kɔn primer ɲɛ
A bɛ kɛ ni nɔrɔli ye
Jalen janya
30–60 μm (yɔrɔ min ka ɲi) .
A bɛ kɛ ni nɛgɛ ye
Muɲuli muɲuni
±2 μm (aw bɛ degun hakɛ bali) .
A bɛ kɛ ni nɔrɔli ye
Saniya
5–10 μm filɛri, buguri tɛ se ka don min kɔnɔ
Profil furakɛli
Sumaya kɛcogo senfɛ-senfɛ
80-100°C → 120-140°C → 150-220°C
Furakɛli kɔfɛ
Kɔgɔli
40-60°C fo lɛri 24-48 (degun lafiyali) .
Furakɛcogo fiɲɛ
Nɛnɛ hakɛ kɔlɔsili
A bɛ dantɛmɛ ka ɲɛsin condensation-cure ma; aw bɛ aw yɛrɛ tanga katalisita bagaw ma walasa ka fara-fura kɛ
Tension control (Tensiyɔn) kunbɛnni
Fɛnɲɛnɛma kɔnɔ tension
A ka dɔgɔn, a bɛ kɛ tuma bɛɛ (aw kana aw senw kɔrɔta furakɛli waati) .
Substrat (sɔgɔsɔgɔninjɛ) ka kɔn ka sumaya
Sani aw ka finimugu da
A bɛ tɛmɛ nɔrɔli funteni kan dɔɔni
Aokai PTFE bɛ nin finimugu ni furakɛli kɛcogo ɲumanw kɛ walasa ka PTFE nɔrɔlen kase dilan ni minɛ fanga ye min ka fisa ni tɔw bɛɛ ye. Kunnafonidila minnu mago bɛ minɛni kɛcogo kɛrɛnkɛrɛnnen na funteni caman na, an bɛ se ka primer furakɛlicogo, nɔrɔmugu janya, ani furakɛli cogoyaw ladilan walasa k’aw ka magow dafa.
N’aw b’a fɛ ka fɛn ɲɛfɔlenw sɔrɔ, baarakɛcogo misaliw ani fura minnu bɛ kɛ ka kɛɲɛ ni mɔgɔw sago ye an ka fɛn dilannenw bɛɛ lajɛlen na i n’a fɔ PTFE fini min bɛ funteni caman bɔ, PTFE kasɛti nɔrɔlen min bɛ funteni caman na, PTFE cɛsirilan min bɛ funteni caman bɔ, cɛsirilan min bɛ kɛ ni funteni ye, PTFE fini min bɛ kɛ fan kelen fɛ, cɛsirilan min bɛ se ka funteni caman kɛlɛ ani fibreglasi min bɛ se ka funteni kɛlɛ fini, aw bɛ se ka anw sɔrɔ nin siraw fɛ minnu bɛ duguma:
An bɛ tugu baarakɛlaw ka baarakɛcogo hakilila la tuma bɛɛ, min ɲɛsinnen bɛ danbe ma, ka izini ɲɛnabɔcogo kelenw di ni an dusukun bɛɛ ye ani ka kiliyanw dɛmɛni kɛ ni hakili ye, ka ɲɛsin kiliyanw bɛɛ ma!
