Di manufakchur dεpt MQsilikonεrεsin as di kכrtakfaya εn infכsεjεnt, inkrεs di MQ/gumrεshכn1.2: 1–2:1(signifikantli hεy pas kכnvεnshכnalgrεd).ThishighMQrεshכn fכm kכntinyu rigid'had-phase'maykrodomɛn dɛn wit di ed hɛsiv layt, we de kɔnstrayn di muvmɛnt fɔ saylɔksan chen sɛgmɛnt dɛn ɛn sɔbstanshal impruv di stɔrɔj mɔdyul ɛn kri prɛsistɛns pan ɛlevɛt tɛmpracha.
Fɛnil,difenil, ɔ kabɔran grup dɛn kin introduks insay di polidimɛtilsilɔksan bakbon(ɛgz., 20–30mol%fenilkɔntinɛnt) fɔ mek i nɔ ebul fɔ mek di tɛmral chen muv ɛn i kin mek ɔl tu di glasstransishɔn tɛmpracha ɛn di rmaldecompositiontemperature.Di kroslinkinsistimpreferentiallyemploysaddition-curehydrosilylation(Pt-catalyzed),fom–C–C–or–Si–C–kroslinkinbrijwit supiriorthermalstability.
bay we dεn adjɔst di aktv haydrojen kכntεnεnt εn chen lεngth כf di haydrojεn-kכntεn silikonכyכl, na rεlativ sכm lεnd yunifכmMc(aprכksimatli 5,000–15,000g/mol) dεn achiv, εnshכr se dεn nεt wokmaintainshigh resilienceevenathight temperature.Ekstend post-curingor high-temperatureannealingisaplied to konsumer rεsidyual riaktiv grup εn dεn dכn εstrεs rilaksεshכn we dεn kכz bay nεtwכkdifεkt.
3.Viscoelasticfunctionallayer(incontactwiththe adherend,3–8μm): Employslow-MQ-ratioorhydroxy-terminatedsilicon-oil-modified softsiliconeadhesivetolowersurfacemodulusandensurerapidwetin ɛn kɔnfɔmabiliti to di edherendatelevated tɛmpracha.
Di mεnεkshכn de fכm silika(spεsifi k sכfayz εria200–380m²/g), sכfa-trit wit vinyltriεtoksisilεn כ hεksamεtyl disilazane, atalod כf10–25wt%.Tεnano-SiO2 fכm haydrojen bכnd εn fizikal adsכpshכn wit siloksan chen, we de mek wan rivεrsibl fyzikal krכslinkin nεtwכk we de disipεt εnεji εn prεvεnt mכlikul chen dεm we de slip na di tεmprachכ.Hay-shid dispεshכn de mek sכh se di silika de na 'klכsta'wit glכmεrayt saiz dεn dכn 100nm, we de avכyd strεs kכnsantreshכn.
2.DayrεkshכnalKrεpRεsistεnsvia2DNanomaterials
Addishכn כf1–5wt% fכ-layεrgrafεn כ כrgano-mכdifyεd nano-mכnt mכrilכnayt, we de כriεnt inlayεr dεrεnjmεnt tru shia-indyus alaynsmεnt we dεn de kכt, fכm'mazεfεkt'paralel to di tεp len, signifikantli inkrεs rεsistεnsto mכlikul chen mכshכn insay di shia dεyrεkshכn.Grafin dεm de fכs εksεlεnt tεmכl kכnduktiviti, we de ridyus hכtpכt dεm na di adhesive layεr εn de lay tεmכl sכftin.
di PTFE sכfεs na fכs trit wit sכdiכm–naftalin–THFsכlushכn כ lכw-prεshכn argon/כksijεnplasmat fכ jεnarεt wan aktibכt layεr we gεt kכbכksilandhaydroksilgrכp ated.Wan pan di prayma riak wit–OH/–COOHon di PTFEsurface, we di ɔda ɛnd de patisipet insay haydrosilyleshɔn ɔ kɔndɛnseshɔn krɔslink wit di silikon adhesive, fɔm wan kemikal bɔndnɛtwɔk we de go insay di intafɛs.Dis aprɔch kin inkrisayz di ay-tɛmpracha ɔldin pawa(na 260°C) bay 3–5 tɛm.
