I-I.MolecularNetworkTopologyUkuthuthukisaI-SiliconeAdhesiveLayer–UkuthuthukisaInqwabaI-CreepResistance
1.HighMQResin/SiliconeRubber Ratiokanye'Hard-Core'Structure
Umkhiqizi amadoptsMQsiliconeresinastheackifier kanye nesisetshenziswa esiqinisayo,enyusa i-MQ/gumratioto1.2:1–2:1(iphakeme kakhulu kunamazinga ajwayelekile).LeMQratio ephakeme eziqinile'isigaba esiqinile'izizinda ezincane ezinoseyili ophakathi kwehesivela, okucindezela ukunyakaza kwezingxenye zamaketanga e-siloxane futhi kuthuthukisa kakhulu isitorejimodulusa kanye nokumelana nokukhuphukayo ukumelana nezinga lokushisa eliphakeme.
2. Ukuhlanganiswa Kwamaqembu Aqinile Angazweli Ukushisa kanye Namasayithi Axhumanisa Ibhondi Ephakeme
I-Phenyl, i-diphenyl, i-orcarboranegroupyethulwa ku-thepolydimethylsiloxanebackbone(isb.,20–30mol%phenylcontent) ivimbela iketango lokushisa elishisayo futhi iphinde isuse kokubili izinga lokushisa lengilazi kanye rmaldecompositiontemperature.Thecrosslinkingsystempreferentiallyemploysaddition-curehydrosilylation(Pt-catalyzed),forming-C-C-or-Si-C-crosslinkingbridgeswithsuperiorthermalstability.
3.UkulawulaIsisindo Se-MolecularPhakathi Kwezixhumanisi Ezinqamulayo(Mc)kanye Nokukhubazeka Kwenethiwekhi
Ngokulungisa ngokuqondileyo okusebenzayo kwe-hydrogenokuqukethwe kanye nobude beketanga ku-siliconeoil equkethe i-hydrogen, ingxenye encane ye-mallanduniformMc(cishe i-5,000–15,000g/mol) izuziwe, iqinisekisa ukuthi umsebenzi ugcina ukuqina okukhulu ngisho namazinga okushisa alula.Okwengeziwe emva kokuphulukisa noma izinga lokushisa eliphezulualingana kuyasetshenziswa ukuze kusetshenziswe iqembu elisele elisebenzayo elisebenzayofuthilehlisa ingcindeziukuphumula okudalwe ukukhubazeka kwenethiwekhi.
II.GradientModulusMultilayerAdhesiveStructure–BalancingTackandCreepResistance
'I-Primer-anchoringlayer+High-moduluscohesivelayer+Viscoelasticfunctionallayer'umklamo onezingqimba ezintathu
1.I-Primer-anchoringlayer(1–3μm): Sebenzisa i-sasilanecouplingagentequkethe amaqoqo e-poxyracryloyloxy, pre-polymerized nge-MQresin, ukuze kuhlinzekwe kokubili kokubopha kwamakhemikhaliku-PTFEi-substrate kanye nokuhlanganisa-crosslink ne-uppersiliconelayer.
2.High-moduluscohesivelayer(inbody, approx.30–50μm): Useshigh-MQ-ratio,high-phenyl-content,high-crosslink-densitysiliconeadhesivetofurnisharobustshear-resistantskeleton.
3.I-Viscoelasticfunctionallayer(engathintani nekhanda herend,3–8μm): Qasha kancane-MQ-ratioorhydroxy-terinatedsilicone-oil-modifiedsoftsiliconeadhesivetolowersurfacemodulusandensurerapidwettingandconformabilitytoikhandalapha namazinga okushisa etelevated.
III.NanofillersforConstructingPhysicalCrossnkingandHeat-ResistantSkeleton
1.In-SituReinforcementandSurfaceUkuguqulwa kweNano-Silica
Yakha i-fumedsilica(indawo ethile ebusweni obuthile200–380m²/g),ilapha nge-vinyltriethoxysilaneorhexamethyldisilazane,ataloadingof10–25wt%.I-Thenano-SiO₂yakha amabhondi e-hydrogen kanye ne-physicaladsorption nge-siloxanechain, i-reversible physical crosslinking network eqeda amandla futhi ivimbele amaketanga e-molecularslippage ngamazinga okushisa aqine.I-shear-sheardispersion iqinisekisa ukuthi ama-silicaexistas'amaqoqo'ane-glomeratesizes under 100nm, avoidingstressconcentration.
2.DirectionalCreepResistancevia2DNanomaterials
Ukwengezwa kokungu-1–5wt%okumbalwa-ungqimba lwe-eneororgano-modifiednano-montmorillonite,okuyinto eqondise inlayeyidarangementngokusebenzisa i-shear-inducedalignment ngesikhathi ngconywa,ifomu'mazeeffect'paralleltothetapep umzila,kuyakhula kakhulu ukumelana neketango lengqamuzana elinyakazayo endaweni yeshear.
IV.ChemicallyIntegratedSubstrate–AdhesiveInterfaceandProcessControl
1.I-SurfaceActivationandBifunctionalPrimerforChemicalBonding
Ubuso bePTFE buphathwa kuqala ngethasodium-naphthalene–THFsolutionnoma-low-pressureargon/oxygenplasmatogenerateinactivatedlayercontaining carboxylandhydroxylgroups.Isixazululo sokuqala esinama-molecule angasebenzi(isb,isocyanatesilane,titanatecouplanegentlycouplanelycos) okukodwa.Okukodwa kokuyinhloko kusabelana—OH/–COOHonthePTFE ebusweni, kuyilapho abanye bebamba iqhaza ekuhlanganiseni kwe-hydrosily noma ukufinyaniswa okunqamula ukuxhuma ne-siliconeadhesive, yakha inethiwekhi yebhondi yekhemikhali engena kusixhumi esibonakalayo. Le ndlela ingakhuphula izinga lokushisa eliphakeme kakhulu (ngezikhathi ezingu-260°C).
2.I-RampedCuringandPost-UkwelashwaukuzeUqede Amaphutha
Iphrofayili ye-Aramped Curing iyasebenza: okokuqala, i-solvent iqhutshwa isusiwe kanye nengxenye ye-adhesiveli esezingeni elingu-80-100°C; bese kuba yi-hydrosilylation kanye nokupakishwa kwe-MQresina kuqedwa ngo-150-170°C; ekugcineni, iposi -ukukhipha isisu kuphele ku-200–220°C amahora amaninganaukuqeda okwangaphakathifuthi uqinise amaphoyinti okuxhumanisa ahlobene.
Ulwazi olungenhla luhlinzekwa nguI-JiangsuAokaiNewMaterialTechnologyCo.,Ltd.
Uma ungathanda ukuthola-ulwazi olujulile lwemikhiqizo egcwele-okuhlanganisa indwangu ye-Teflonhigh-temperature,Teflonhigh-temperaturetape,Teflonhigh-temperaturemeshbelt,amabhande angenamthungo emishini yokubopha,indwangu yohlangothi olulodwaPTFE, amabhande okuthutha amelana namazinga okushisa aphezulu, indwangu yengilazi yengilazi ekwazi ukumelana nezinga lokushisa eliphezulu, nokunye–kanye nemininingwane ecacisiwe, izimo zohlelo lokusebenza, nezisombululo zokwenza ngokwezifiso, sicela uzizwe ukhululekile ukuthintana ngalezi ziteshi ezilandelayo:
Inombolo yocingo:
UMnu.Guo:+86 18944819998
UMnu.Liu:+86 13705266308
Sihlala sisekela ifilosofi yenkonzo eqhutshwa ubuqotho emhlabeni wonke, futhi sizinikele ukukunikeza ngesixazululo esisodwa kuphela kanye nenkonzo eqaphile!
