Ɔkwan bɛn so na wobetumi ama Teflon teyp a ɛyɛ hyew kɛse a ɛko tia creep ne bere tenten a ɛkura mu no atu mpɔn?

I.MolecularNetworkTopologySiliconeAdhesiveLayer no a wɔbɛma ayɛ yiye–BulkCreepResistance a ɛbɛma atu mpɔn

1.HighMQResin / SiliconeRubberRatioand 'Hard-Core 'Nhyehyɛe

Wɔn a wɔyɛ no fa MQsiliconere sɛ ade a wɔde hyɛ ade mu na ɛyɛ ade a ɛhyɛ den, ɛma MQ/gumratioto1.2:1–2:1 (ɛkorɔn kɛse sen nea wɔtaa de di dwuma).ThishighMQratioformcontinuous rigid'hard-phase'microdomains wɔ headhesivelayer mu, a ɛhyɛ siloxane chainsgments no kankyee na ɛma storagemodulus no tu mpɔn kɛse na ɛma ɛko tia ɔhyew a ɛkɔ soro.

2.Akuo a Ɛyɛ Den a Ɛko Tia Ɔhyew neAhoɔden a Ɛkorɔn a Wɔde Ka HoCrosslinkingSites

Wɔde phenyl,diphenyl,anaasɛ carborane akuw kɔ polydimethylsiloxane akyi dompe (sɛ nhwɛso no, 20–30mol%phenyl a ɛwɔ mu) mu de siw ɔhyew nkɔnsɔnkɔnsɔn kwan na ɛma ahwehwɛ mu ɔhyew ne nea ɛwɔ mu nyinaa kɔ soro rmaldecompositiontemperature.Ccrosslinking nhyehyɛe no pɛ sɛ wɔde addition-curehydrosilylation(Pt-catalyzed) di dwuma, na ɛyɛ–C–C–anaa–Si–C–crosslinkingbridge a ɛwɔ ɔhyew a ɛkorɔn sen biara.

3.ControlofMolecularWeightNtam Nkitahodi (Mc) neNetworkDefects

Ɛdenam nsakrae a wɔyɛe pɛpɛɛpɛ wɔ hydrogen a ɛyɛ adwuma no mu ne nkɔnsɔnkɔnsɔn tenten a ɛwɔ siliconeoil a hydrogen wom no mu so no, wotumi nya Mc (bɛyɛ 5,000–15,000g/mol) a ɛyɛ pɛ a ɛnyɛ den koraa, na wɔahwɛ ahu sɛ wɔde net adwuma no kura ahoɔden a ɛkorɔn mu wɔ ɔhyew a emu yɛ den mu.Extended post-curingorhigh-temperaturenea wɔde di dwuma ma consumeresidualreactivegroups na ɛtew nhyɛso ahomegye a ɛnam network mu sintɔ ahorow so de ba no so.

II.GradientModulusMultilayerAdhesiveStructure–Kari pɛTackandCreepResistance

'Primer-anchoringlayer+High-moduluscohesivelayer+Viscoelasticfunctionallayer'nsusuwii a ɛwɔ ntoatoaso abiɛsa.'

.​

.​

.​

III.NanofillersforConstructingPhysicalCrosslinking ne Nnompe a Ɛko Tia Ɔhyew

1.In-SituReinforcementandSurfaceNsakraeɛ a ɛfa Nano-Silica ho

Wɔn a wɔyɛ no yɛ silika a ɛyɛ wusiw (beae pɔtee bi a ɛwɔ soro 200–380m²/g),a wɔde vinyltriethoxysilaneor hexamethyldisilazane ayɛ asase ani, a ɛdɔɔso a ɛyɛ 10–25wt%.Afei nano-SiO2 yɛ hydrogen nkitahodi ne honam fam adsorption ne siloxane nkɔnsɔnkɔnsɔn, na ɛbɔ reversiblephysicalcrosslinkingnetwork a ɛsɛe ahoɔden na esiw molecule chainslippageathight temperatures ano.High-sheardispersion hwɛ hu sɛ silica no wɔ hɔ sɛ'clusters'agglomeratesizeslow100nm,kwati stressconcentration.

2.AkwankyerɛCreepResistancevia2DNanomaterials

1–5wt% kakraa bi-layergraphene anaaorgano-modifiednano-montmorillonite, a ɛkyerɛ kwan wɔ layeredama nhyehyɛe a ɛnam shear-inducedalignment bere a wɔde kata so a wɔde ka ho no yɛ 'mazeeffect'paralleltothetapep lane,ma ɔko a ɛko tia molecule nkɔnsɔnkɔnsɔn kankyee wɔ sheardirection no kɔ soro kɛse.Grapheneal nso ma ɔhyew a ɛkɔ so yiye, ɛtew mmeae a ɛyɛ hyew wɔ adhesive layer no so na ɛma ɔhyew a ɛyɛ mmerɛw no to hɔ.

IV.Nnuru a Wɔde AfrafraSubstrate–AdhesiveInterface neProcessControl

1.SurfaceActivationandBifunctionalPrimerfor Nnuru a Wɔde Bɛboa

Wɔdi kan de sodium–naphthalene–THF solution anaa nhyɛsoɔ a ɛba fam argon/oxygenplasma sa PTFE soro ma ɛyɛ layer a wɔayɛ adwuma a ɛwɔ carboxylandhydroxylgroups.Aprimersolution a ɛwɔ molecule a ɛyɛ adwuma mmienu (sɛ nhwɛsoɔ no, isocyanatesilane, titanatecouplinggent+epoxysilane) no yɛ nea ɛyɛ ntɛm ara ated.Onendoftheprimerreactwith–OH/–COOHonthePTFEsurface,bere a awiei foforo no de ne ho hyɛ hydrosilylation anaa condensation crosslinking ne siliconeadhesive no mu, yɛ nnuru bondnetwork a ɛhyɛn interface no mu.Saa kwan yi betumi ama ɔhyew a ɛkorɔn a ɛkura tumi (wɔ 260°C) no akɔ soro mpɛn 3–5.

2.RampedCuringandPost-Ayaresa a wɔde yi sintɔ ahorow fi hɔ

Wɔde Arampedcuringprofile di dwuma: nea edi kan no, wɔde solvents fi ne adhesive layeris leveled wɔ 80–100°C;afei hydrosilylation ne sepacking ofMQresina no wie wɔ 150–170°C;awiei koraa no, post -curingiscarried outat200–220°C nnɔnhwerew pii de yi emu nhyɛso fi hɔ na ɛma nipadua mu crosslinkingpoints gyina.Slowcooling siw microcracking kwan esiane nsonsonoe a ɛwɔ ɔhyew mu shrinkage nti.

Nsɛm a ɛwɔ atifi hɔ no, wɔde maJiangsuAokaiNneɛma FoforoMfiridwumaCo.,Ltd.

Sɛ wopɛ sɛ wunya nimdeɛ a emu dɔ wɔ nneɛma ahorow no nyinaa ho a–a nea ɛka ho ne Teflon ntama a ɛyɛ hyew kɛse,Teflon teape a ɛyɛ hyew kɛse,Teflon ahama a ɛyɛ hyew kɛse,abɔso a wɔde fa nneɛma a ɛnyɛ den ma mfiri a wɔde bom,PTFE ntama a ɛwɔ ɔfã biako, conveyorbelts a ɛko tia ɔhyew a ɛkorɔn,fiberglassfabric a ɛko tia ɔhyew a ɛkorɔn, ne nea ɛkeka ho–ne nsɛm a ɛkɔ akyiri, applicationscenarios, ne customizationsolutions, yɛsrɛ wo te nka sɛ wowɔ ahofadi sɛ wobɛfa akwan a edidi so yi so adi nkitaho:

Ntrɛwmu a wɔde frɛ nkurɔfo:

Owura Guo:+86 18944819998

Owura.Liu:+86 13705266308 Ɔde ne nsa kyerɛɛ ne so

Yɛkura adwumayɛfoɔ ne nokwaredi-a ɛfa ɔsom nyansapɛ so bere nyinaa, na yɛahyira yɛn ho so sɛ yɛde ano aduru a ɛma wogyae ne ɔsom adwuma a wɔde adwene si so bɛma wo!