Evonik product innovations to reduce Tire RR

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1、ProductSolutionstoReduceTireRollingResistanceB.SchwaigerAppliedTechnologyRubberReinforcementInorganicMaterialsReinforcingFillersContributetotheCompromizeforTirePerformanceRollingresistanceDrygripComfortWearWetgripEnduranceHandlingSeite

2、2Facts&RequirementsfortheFuture¾Increas

3、ingcrudeoilprice¾Gasolineanddieselpricesonanextremelyhighlevel¾AwarenessofKyotoprotocolisagiven¾Euro5normdemandsdecreasingCO2-emission(energyconsumption)¾InernationalEnergyAgencyfocusesontirestolowerfueluse¾CaliforniaEnergyCommisionreleasedtireefficiencylegislation¾EU„GreenP

4、aper“policyrecommendsuseoflowfrictiontires¾CA‘sLEVregulationrequireslowemissionvehicle¾….RequirementforthetireindustryReducefuelconsumption=>ReducerollingresistanceRequirementforrubberreinforcingmaterialsReducerollingresistance=>Reducehysteresisloss3RollingResistanceandEnerg

5、yDissipationCar:GasolineconsumptionTire:RollingresistanceRubber:Energydissipation4ContributionofTireComponentsonTireRollingResistanceCartiresidewallcasinginnerliner10%10%5%beltbeadTrucktire10%5%sidewallcasing10%24%bead16%tread60%belt10%tread40%5RollingResistance–ACloserLookP

6、ayne-effect–stresssofteningeffectReductionofrollingresistancemeansreductionofthePayne-effectFiller-FillerInteractionIn-rubberstructureshearmodulusG*shearmodulusG*HydrodynamicEffectsPolymerNetworkshearamplitudeshearamplitudeFiller-fillerinteractionisthemain¾influencingthepart

7、icle-particledistanceinfluencingparameteronthePayne-¾improvingtheparticle-polymerinteractioneffectandthusontherollingresistance6MethodstoAdjustLowRollingResistanceconsequences•Increasedistancebetweentheparticlesintherubbermatrix•Howeveracertainvolumefractionoffillerisneededt

8、okeepwearresistanceandrigidityonahighlevelSource:PneumaticTireSeite

9、7ProductInnovationsforReductioninTireRollingResistance•Ecoraxgradesfortreadapplication•Ecoraxgradesforcasingapplications•„Gap“silicas-EXP7025-family•SilaneVPSi363Seite

10、8EXP7025-9HD-LSA“GAPSilica”SilicaInnova

11、tiontoReduceRollingResistanceRollingResistanceReductionbySilicaG*/MPa„Green