Sidee loo hagaajin karaa caabbinta gurguurta iyo xasilloonida muddada dheer ee xajinta sare ee Teflon cajalad heerkul sare ah?

I.MolecularNetworkTopology hagaajinta lakabka dhejiska ah ee Silicone-Hagaajinta iska caabintaCreep

1.HighMQResin/SiliconeRubberRatioand'Hard-Core' Qaabdhismeedka

Wax-soo-saarka MQsiliconeresina waxay u dhigantaa taakad iyo xoojinta wax-soo-saarka, kordhinta MQ/gumratioto1.2:1-2:1 (oo aad uga sarreeya heerarka caadiga ah). qallafsan 'waji adag' microdomains gudaha lakabka madaxa, taas oo caqabad ku ah dhaqdhaqaaqa siloxanechainsections oo si weyn u horumariya habka kaydinta iyo cresistance heerkulbeegyo.

2.Isku-dhafka Kooxda-Dib-u-caabbinta Kulaylka iyo Goobaha-Tamarta-High-Bond-High-Bond-Tamarta-Tamarta-sare

Phenyl, diphenyl, ama koox-carborane ayaa lagu soo bandhigay lafta dhabarka ee polydimethylsiloxane Heer-kulka rmaldecompositioned.Nidaamka isku xirka iskutallaabtu waxay door bidayaan shaqaaleysiinta-curehydrosilylation (Pt-catalyzed), samaynta-C–C–ama–Si–C–isku xidhka buundooyinka oo leh xasilooni heer sare ah.

3.ControlofMolecular Miisaanka Inta u dhaxaysa Crosslinks(Mc) iyo NetworkDefects

Iyada oo si sax ah loogu hagaajinayo waxyaabaha ku jira hydrogen-ka iyo dhererka saliidda silicone-ka ku jirta, asal ahaan mallanduniformMc (qiyaastii 5,000-15,000g/mol) la gaaray, hubinta in la helay dayactirka adkeysiga sare, iyo heerkul sare ka bacdi.

II.GradientModulusMultiyer-qaabdhismeedka Dheegga-dheellitirkaTack iyo iska caabintaCreep

'Primer-anchoringlayer+High-moduluscohesivelayer+Viscoelasticfunctionallayer' saddex-lakab naqshadeeye

1.Primer-anchoringlayer(1-3μm): Isticmaalka asilane isku xidhka ka kooban Epoxyoracryloyloxygroups, pre-polymerized leh MQresin, si ay u bixiyaan labbiska kiimikaad ku xidhidhiyaha PTFEsubstrate iyo co-isku xidhka la kor siliconelayer.

2.High-moduluscohesivelayer (jidka guud, qiyaastii.30-50μm): Isticmaalka saamiga-MQ-sare, High-phenyl-content, High-crosslink-densitysiliconeadhesivetofurnisharobustshear-u adkaysta qalfoofka.

3.Viscoelasticfunctionallayer(aan xidhiidh la lahayn theadherend,3-8μm): Shaqaalaysii-MQ-ratioorhydroxy-terminatedsilicone-saliid-saliid-la beddelaysoftsiliconeadhesivetolowersurfacemodulusandensurerapidwetting iyo hagaajinta teadherendatelevatedtemperatures.

III.Nanofillers oo loogu talagalay Dhisidda Isku-xidhka Jidhka iyo Qalfoofka-iska-caabbinta kulaylka

1.In-SituReinforcement iyo Dusha Wax ka beddelka Nano-Silica

Themanufacturerusesfumedsilica (goorka u gaarka ah200-380m²/g), dusha lagu daaweeyay vinyltriethoxysilaneorhexamethyldisilazane,ataloadingof10-25wt%.Thenano-SiO₂formshydrogenbondsandphysicaladsorption leh siloxanechains Shabakadda dib-u-noqoshada ah ee isku-tallaabta-isku-tallaabta ah ee ka-hortagga silsiladaha-molecularchainslippage-ka-heerarka-heerarka sare-u-qaadista waxay hubinaysaa inay siilika jiraan ' rucubyo ' oo leh agglomerate waxay ka hoosaysaa 100nm, ka fogaanaya feejignaanta.

2.DirectionalCreepResistancevia2DNanomaterials

Ku-darka 1-5wt%-lakab-lakabiyaha ororgano-la beddelaynano-montmorillonite, kaas oo udub dhexaad u ah diyaarinta diyaarinta iyada oo loo marayo toosinta dhogorta-soo-baxa inta lagu jiro dahaarka, formsa 'mazeffect' barbarro ah tapep Layn, oo si weyn u kordheysa iska caabinta unugyada unugyada dhaqdhaqaaqa jihada dhogorta. Sawiradu waxay soo bandhigaysaa dabeecad heer sare ah oo heerkulbeeg ah, hoos u dhigista meelaha lagu dhejiyo iyo dib u dhigista kuleylka.

IV.Chemically Integrated Substrate-Interface Interface andProcessControl

1.Activation Surface iyo BifunctionalPrimer forChemicalBonding

Dusha sare ee PTFE ayaa marka hore lagu daaweeyayasodium-naphthalene-THFsolutionorlow-pressureargon/oxygenplasmatogenerateanactivatedlayer ka kooban karboksylandhydroxylgroups Mid ka mid ah kuwa ugu horreeya waxay la falgalaan-OH/-COOHonthePTFE dusha sare, halka inta kalena ay ka qayb-qaataan-hydrosilylation ama kondensation-ka-goysyada isku xirka siliconeadhesive, samaynta isku-xidhka kiimikaad ee dhexda dhexmara.

2.RampedCuring iyo daawaynta ka dib si loo tirtiro cilladaha

Arampedcuring profile waxa la shaqaaleysiiyay: marka hore, xalinta waa la kaxayn karaa iyo heerkulbeegga dhejiska ah ee 80–100°C -curingiscarriedoutat200–220°c saacado badan waxay baabi'inaysaa walbahaarka gudaha iyo xasilinta dhibcaha isku xidhka jidhka.

Macluumaadka kor ku xusan waxaa bixiyaJiangsuAokaiNewMaterialTechnologyCo.,Ltd.

Haddii aad jeclaan lahayd inaad hesho aqoon qoto dheer oo ku saabsan badeecadaha oo dhan - oo ay ku jiraan Teflon-heerkul sare, cajalad heerkul-sare ah, suunka teflon-sare-heerkulka, qalab bilaa-la'aanta ah ee suunka isku-xidhka mashiinnada, hal-dhinac,PTFEfabric suunka u adkaysta heerkulka sare, warshada fiberglass ee heerkul sare u adkaysta, iyo inbadan oo ay weheliso faahfaahinta faahfaahsan, muuqaalada codsiyada, iyo xalinta habaynta, fadlan dareento xornimo inaad la xidhiidho kanaalada soo socda:

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