Mawonedwe: 0 Wolemba: Mkonzi Watsamba Nthawi Yosindikiza: 2026-07-14 Poyambira: Tsamba
M'ndandanda wazopezekamo
Opanga adoptsMQsiliconeresinasthecoretackifierandreinforcingagent,kuchulukitsaMQ/gumratioto1.2:1–2:1(zapamwamba kwambiri kuposa magiredi anthawi zonse). olimba'gawo lolimba'magawo ang'onoang'ono okhala ndi chiwiya chapamutu, chomwe chimakakamiza kusuntha kwamagulu a siloxane unyolo ndikusintha kwambiri posungiramodulusa ndi kukana kukana kutentha.
Phenyl, diphenyl, orcarboranemagulu amalowetsedwa kuthepolydimethylsiloxanemsana (monga 20-30mol% phenylcontent) kulepheretsa unyolo wamafuta kusuntha komanso kusinthasintha kwagalasi kutentha ndi rmaldecompositiontemperature.Thecrosslinkingsystempreferentiallyemploysaddition-curehydrosilylation(Pt-catalyzed),forming-C-C-or-Si-C-crosslinkingbridgeswithsuperiorthermalstability.
Mwa kusintha mwatsatanetsatane zomwe zimagwira hydrogencontent ndi unyolo wahydrogen-containingsiliconeoil, pafupifupi pafupifupi 5,000–15,000g/mol) zakwaniritsidwa, kuonetsetsa kuti ntchito imakhalabe ndi mphamvu zambiri kapena kutentha kwanthawi yayitali.Zowonjezera pambuyo-kuchiritsa kapena kutentha kwambiri komanso zimagwiritsiridwa ntchito kuti ziwononge gulu lotsalira logwira ntchito komanso zimachepetsa mpumulo wobwera chifukwa cha zolakwika zaukonde.
1.Primer-anchoringlayer(1–3μm): Gwiritsani ntchitosasilanecouplingagent yokhala ndimagulu apoxyoracryloyloxy, pre-polymerized ndiMQresin, kupereka zonsezomakemikolo kuPTFE substrate ndico-crosslinking nditheuppersiliconelayer.
2.High-moduluscohesivelayer(mainbody, approx.30–50μm): Useshigh-MQ-ratio,high-phenyl-content,high-crosslink-densitysiliconeadhesivetofurnisharobustshear-resistantskeleton.
3.Viscoelasticfunctionallayer(incontact with theheadhend,3–8μm): Employslow-MQ-ratioorhydroxy-terminatedsilicone-oil-modifiedsoftsiliconeadhesivetolowersurfacemodulusandensurerapidwettingandconformabilitykwamutu uku ndi kutentha kwa televizioni.
Themanusesfumedsilica(madera apaderadera200–380m²/g),opangidwa pamwamba ndivinyltriethoxysilaneorhexamethyldisilazane,ataloadingof10–25wt%.Thenano-SiO₂imapangamahydrogenbondndiphysicaladsorption ndisiloxaneunyolo reversible physicalcrosslinkingnetwork yomwe imataya mphamvu komanso imalepheretsa unyolo wa molekyulu kupyola kutentha.Kubalalika kwakukulu kumatsimikizira kuti silika 'magulu' okhala ndi glomeratesizes pansi pa 100nm, kupewa kukhazikika.
Zowonjezera1-5wt% zochepa-sanjika zaineororgano-modifiednano-montmorillonite,zomwe zimatsogoleranalayeredapangapangakupyolera-kumeta-kupangitsa kupangika pakudya,mawonekedwe'mazeeffect'paralleltothetapep kanjira,kuchulukirachulukira kukaniza kusuntha kwa mamolekyulu kumayendedwe akumemererako.
ThePTFE pamwamba imathandizidwa koyamba ndithasodium-naphthalene–THFsolutionorlow-pressureargon/oxygenplasmatogenerateanactivated layer yokhala ndi carboxylandhydroxylgroups ated.Mmodzi mwa omalizawo amakumana ndi–OH/–COOHonthePTFE pamwamba, pomwe ena amatenga nawo gawo mukusakaniza kwamadzimadzi kapena kutsika kolumikizana ndi zomatira zomatira, kupanga makina abondnetwork yomwe imalowa pachimake. Njirayi imatha kuwonjezera mphamvu yogwira kutentha kwambiri (by360°C).
Mbiri yochiritsika imagwiritsidwa ntchito:poyamba, zosungunulira zimayendetsedwa ndi zomatira zamtundu wa 80-100°C; kenaka hydrosilylation ndi kulongedza kwaMQresina zimamaliza pa 150-170°C; pomaliza, positi -kuchira kutha kufika pa200–220°Ckwamaola angapokuchotsanimkatindikukhazikikamomalo olumikizirana thupi.Kuzizirako pang'onopang'ono kumapewa kusweka kwapang'onopang'ono chifukwa chosiyana kutha kwamafuta.
Zomwe zili pamwambazi zimaperekedwa ndiJiangsuAokaiNewMaterialTechnologyCo.,Ltd.
Ngati mungafune kudziwa zambiri zazinthu zonse–kuphatikiza nsalu za Teflonhigh-temperature,Teflonhigh-temperaturetape,Teflonhigh-temperaturemesh lamba,malamba osasunthika wamakina omanga,mbali imodziPTFE nsalu, malamba onyamula osamva kutentha kwambiri, nsalu zamagalasi zosatentha kwambiri, ndi zinanso—pamodzi ndi mwatsatanetsatane, mawonekedwe a ntchito, ndi kukonza mwamakonda, chonde omasuka kulumikizana ndi njira zotsatirazi:
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