氟硅胶在汽车中的应用

Silastic®Silastic®2005.10.18(EEI)Silastic®••.•.CH3SiCH3OCH3SiCH3OCH3SiROCH3SiCH3O(-CH3)MQ(-C6H6)PMQ(-CH=CH2)VMQFVMQ(-CH2CH2CF3)RASTM(Me)130o1.64ÅOOSiMeMe•O-Si-O,LowTg,Tm,LowModulusetc.•Si-OE(Si-O)=374kJ/mole,E(C-C)=277kJ/mole•E(Si-O)=3.3kJ/mole,E(C-C)=13.8kJ/mole•(PDMS)(CH3)Silastic®9-100OC~310OC.9,99,9-,99PVC9(oC)(50%)-50~10012010-201505-102052-52603~23161~23706~142010~24802-10(OC)-40~121-51~150-51~107-43~107-29~204-59.5~232-59.5~204Silastic®Silastic®O/.Silastic®.Silastic®Silastic®Silastic®….1.FSRFKM?2.FSRSilastic®FSR?RAPRAFKMSilastic®FSR-60~+200OCFKMSilastic®FSR–(100%)–•FSRFSRFKMFKMFKMTypePeroxideLS2860PeroxideLS5-2060Peroxidecopolymer7039VBPAterpolymer6838VBPAcopolymer6637VCure%FCompoundsSilastic®FSRFKM:FKMsRAPRAFSRsDowCorning.FKMSilastic®FSR050100150200250-70-60-50-40-30-20-100102030Temperature(DegC)Tearstrength(kNm-1)37V38V39VLS5-2060LS-2860051015202530050100150200250Temperature(DegC)Tearstrength(kNm-1)37V38V39VLS5-2060LS-2860100OCSilastic®FSRFKM01020304050607080-70-60-50-40-30-20-100102030Temperature(DegC)Tensilestrength(MPa)37V38V39VLS5-2060LS-2860LowtemperaturetensilestrengthFKMFSRSilastic®FSR0510152025050100150200250Temperature(DegC)Tensilestrength(MPa)37V38V39VLS5-2060LS-2860100OCFKMSilastic®FSR050100150200250300350400-100-50050100150200250Temperature(DegC)Elongationatbreak(%)37V38V39VLS5-2060LS-2860Silastic®FSRFKM@100%100%02468101214-100-50050100150200250Temperature(DegC)Modulus@100%(MPa)37V38V39VLS5-2060LS-2860FKMSilastic®FSRSilastic®FSRFKMSilastic®FSRSilastic®FSRFKM100OCSilastic®FSRFKMSilastic®FSRFKMHNBRACMAEMFKMTearresistanceStaticApplicationsOnlyDynamicApplicationsoriginalFSRAbrasionresistanceToday’sFSRBothtearandabrasionresistancehaveincreasedACM—ethylacrylateand2-chlorethylvinylethercopolymerAEM—ethylene-methylacrylatecopolymerSilastic®FSR.FuelLineQuick-ConnectSealsElectricalConnectorInsertsAirPumpValvesExhaustGasRecirculatingDiaphragmsFuel-ResistantHydraulicandElectricalClampBlocksVaporRecoveryManagementSystemSealsNaturalVacuumLeakDetectionControlDiaphragmsEngineGasketsFuelLinePulsatorSeals.Silastic®FSR/VMQ,.02040608010012050556065707580859095100WeightfractionFSR(%)Volumeswell(%)IRM903oilunfilledFuelCunfilledFuelC60phrfillerIRM903oil60phrfiller50%35%FSR/VMQFSR.Silastic®FSR=FSRHCR(VMQ)Silastic®FSR:200C(392F)FKM*.200CFKM*.200CFKM*.FKM*.(upto200C),FSRFKM*.*RAPRA.??://