A dilanni bɛ MQsilikɔni ta ka kɛ tackifier ye ani fangatigi ye, ka dɔ fara MQ/gumratioto1.2:1–2:1 kan(a ka bon kosɛbɛ ka tɛmɛ classes conventionnels kan).ThishighMQratioformcontinuous rigid'hard-phase'microdomains ni headhesivelayer kɔnɔ, minnu bɛ siloxane chains segments lamagacogo bali ani ka storage modulus ɲɛ ka taa a fɛ kosɛbɛ ani ka creesistance auted temperatures.
2.Jɛkulu gɛlɛnw minnu bɛ se ka funteni kɛlɛ ani minnu bɛ se ka ɲɔgɔn sɔrɔ, olu doncogo
Fenili, difenili, walima karɔbɔrani kuluw bɛ don polidimetilsiloksan kɔkolo la (misali la, 20–30mol%fenili kɔnɔ) walasa ka cakɛda sumayalen bali ani ka gilasi jiginni funteni ni a fila bɛɛ wuli rmaldecompositiontemperature.A ka fisa ni crosslinking system ye ni farali-curehydrosililation(Pt-catalysed) ye, ka–C–C–walima–Si–C–crosslinkingbridge dilan ni funteni sabatili ye min ka bon ni funteni sabatili ye.
3.ControlofMolecular WeightCrosslinks(Mc)ni Rezow ka filiw cɛ
Ni aw ye hidrɔzɛni baarakɛtaw ni cakɛda janya ladilan tigitigi, o ye silikɔni ye min kɔnɔ hidrɔzɛni bɛ sɔrɔ, o ye Mc kelen ye min ka dɔgɔn kosɛbɛ (5.000–15.000g/mol ɲɔgɔn) bɛ se ka sɔrɔ, ka a jira ko a bɛ sɔrɔ baara bɛ se ka muɲuliba mara funteni caman na.Extended post-curingor high-temperatureannealingisa applied to consumerresidual reactiongroups ani ka degunw lafiɲɛni dɔgɔya min bɛ sɔrɔ rezow ka dɛsɛw fɛ.
'Primer-anchoringlayer+High-moduluscohesivelayer+Viscoelasticfunctionallayer'layer saba dilancogo.'
1.Primer-anchoringlayer(1–3μm): Aw bɛ baara kɛ ni silanecouplingagent ye min kɔnɔ epoxioracryloyloxygroups bɛ sɔrɔ, minnu kɛra ka kɔn polimɛri kɛ ni MQresin ye, walasa ka kemikaliya jɛɲɔgɔnya fila bɛɛ di PTFEsubstrat ma ani co-crosslinking ni sanfɛsiliconelayer.
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3.Viscoelasticfunctionallayer(a tɛ maga a la, 3–8μm): A bɛ baara kɛ ni MQ hakɛ dɔgɔman ye ni silikoni tulu ye min bɛ se ka silikɔni tulu nɔgɔlen caman sɛmɛntiya, o bɛ a to a ka ji teliya la ani a bɛ bɛn kunkolo funteni hakɛ kɔrɔlenw ma.
III.NanofillersforConstructingPhysicalCrosslinking aniSkeleton min bɛ se ka funteni kunbɛn
1.Nano-Silika ka barikadonni ni dugukolo caman caman cili in-Situ
A dilanni bɛ kɛ silika sisilen ye(yɔrɔ kɛrɛnkɛrɛnnen 200–380m²/g), a ɲɛda furakɛra ni vinilitrietɔkisisilanɛ ye walima ni hɛkɛsametildisilazani ye, a bɛ 10–25%% doni reversiblephysicalcrosslinking network min bɛ fanga tiɲɛ ani ka cakɛda molekilɛriw dabɔ funteni caman na.Sɛbɛnni caman bɛ a to silisi bɛ yen ni 'kuluw'w ye minnu bonya bɛ 100nm duguma, ka u yɛrɛ tanga degun caman ma.
2.DirectionalCreepResistance via2DNanomateriyaliw
Fàrali 1–5wt% damadɔ kan walima organo-modified nano-montmorillonite, min ɲɛsinnen bɛ layɛrɛ dɔ ma min bɛ labɛn ka tɛmɛ sɔgɔsɔgɔninjɛ-induite alignment fɛ finimugu waati la, o bɛ kɛ 'mazeeffect'parallel to the tapep lane, a bɛ dɔ fara kosɛbɛ resistance kan moleculaire cakɛda lamagacogo la.
IV.Substrate–AdhesiveInterface aniProcessControl min bɛ kɛ ni kemikali ye
1.SurfaceActivation aniBifunctionalPrimer ka ɲɛsin kemikɛli jɛɲɔgɔnya ma
PTFE surface bɛ furakɛ fɔlɔ ni sodium–naphthalene–THF solution ye walima ni argon/oxygène plasma ye min bɛ tansiyɔn dɔgɔman na walasa ka layɛrɛ activate dɔ lawuli min kɔnɔ carboxylandhydroxylgroups bɛ sɔrɔ ated.Primer kelen bɛ kɛ ni–OH/–COOH yePTFEsurface kan, k’a sɔrɔ a laban bɛ a sen don hydrosililation walima condensation crosslinking ni siliconneadhesive la, ka kemikɛli jɛɲɔgɔnya rezo dɔ dilan min bɛ don interface kɔnɔ.O kɛcogo bɛ se ka dɔ fara funteni hakɛ minɛ fanga kan (260°C) ni siɲɛ 3–5 ye.
2.RampedCuring aniPost-Treatment ka Nafaw Bɔ
Arampedcuringprofile bɛ baara kɛ: fɔlɔ, furajiw bɛ bɔ ani nɔrɔlanw bɛ kɛ nivoya ye 80–100°C la;o kɔfɛ, jisigili ni MQrezina pake bɛ dafa 150–170°C la;a laban na, post -furakɛli bɛ bɔ 200–220°C la sanga caman kɔnɔ walasa ka kɔnɔna fanga ban ani ka farikolo ɲɔgɔndan yɔrɔw sabati.Nɛnɛ dɔɔni bɛ kari fitininw bali ka da funteni dɔgɔyali danfaralenw kan.
Ni aw b’a fɛ ka dɔnniya jugu sɔrɔ fɛn dilannenw bɛɛ kan–o la, Teflon funteni ka bon fini, Teflon funteni caman kasɛti, Teflon funteni caman meshbelt, seamless conveyorbelts for bonding machines, single-sidedPTFEfabric, fɛnɲɛnamafagalanw minnu bɛ se ka funteni caman kɛlɛ, fibreglasi fini minnu bɛ se ka funteni caman kɛlɛ, ani fɛn wɛrɛw–ka fara fɛn ɲɛfɔlenw kan, baarakɛcogo misaliw, ani ladamuni furaw, aw bɛ se k’a ye ko aw bɛ se ka ɲɔgɔn sɔrɔ nin sira ninnu fɛ:
An bɛ baarakɛlaw ka baarakɛcogo hakilila min bɛ tali kɛ u ka danbe la, an bɛ to ka o sabati, wa an b’an yɛrɛ di ka furakɛli dabilacogo ni baara kɛcogo ɲuman di aw ma!
