北京大学高分子辐射化学2

IndustrialApplicationsofRadiationProcessinginChinaMaolinZhaiPeking University17-21,Oct.2011,Beijing,China,IAEA/RCA(RAS/8/109)RegionalTrainingCourseContentsGeneralsituation1Irradiationfacilities23RadiationprocessingofpolymerFoodirradiationandradiationsterilization4Othernewtechnologyandproducts5Generalsituation1IndustrialApplicationofRadiationProcessingPolymermodificationandproductionSterilizationofmedicalsuppliesandfoodpackagingFoodirradiationEnvironmentalprotectionIonimplantationforsemi-conductorproductionCompanyLogoAdvantagesofRadiationProcessingProcessingatroomtemperatureProcessinginsolidstateProcessingwithoutadditivesCleanprocessingCompanyLogoGeneralsituationofradiationprocessinChinaRadiationprocessGrowingrapidlyFacilitiesOther….ProductsService2003201017.667Outputxbillion(RMB)280%ThedataisfromthereportofChinaIsotope&RadiationAssociation,2011CategoryProducttypeNumberRadiationchemicalThermalshrinkingmaterial107Crosslinkedcable5Radiationequipmentγ-radiationequipment7EBaccelerator34Newtechnology,etc100Total253ThepatentsonradiationprocessinginChinaTable.ThestatisticsofpatentsapplicationonradiationprocessinginChinafrom2005to2008Irradiationfacilities2Co-60GammaSourceAdvantages:LongpenetrationrangeSimpleoperationMainapplications:FoodirradiationSterilizationofmedicalproducts1027ftDeepSourcePool27ftDeepSourcePoolCarriersCarriers11HowProductsMoveThroughanIrradiatorSourceRackPoolIrradiationChamberInterimAreaIrradiationChamber12VirtualTourofaPalletIrradiatorCarrierEntersCarrierEntersCarrierExitsCarrierExitsAllCarriersmove1positionAllCarriersmove1positionSourceRackSourceRackCarrierEntersCarrierEntersCarrierExitsCarrierExitsAllCarriersmove1positionAllCarriersmove1positionSourceRackSourceRackCo-60GammaSourceinChinaFig.1.Establishedcobaltunits(30,0000Ci)inChinaandtheirtotalsourcecapacity2004200520062007200820092010020406080100120140NumberYearCobaltUnitsSourceCapacitySourceCapacityx104Ci020004000600080001000012000140002004:82,61million;2010:120,120millionEBAcceleratorAdvantages:HighprocessingspeedandcapacityNosourcereplenishmentrequiredShortpenetrationrangeMainapplications:PolymerprocessingSterilizationofmedicalproductsEBAcceleratorinChinaFig.2.EstablishedEBaccelerators(＞5MeV)inChinaandthepower20042005200620072008200920100306090120150180NumberYearEBacceleratorsPowerPower(kW)0200040006000800010000120002004:84,5700kW;2010:171(madeinChina,115),11500kWDistributionofirradiationfacilitiesinChinaCo-60sourcesmanufacturerChinaIsotopeCorporation(2010-)Annualoutput:5millionciELPONTLowenergyMiddleenergyHighenergyEBacceleratormanufacturersDASHENGNUCTECHOthersAnnualoutput100accelerators3RadiationprocessingofpolymerProductsbased“radiationeffect“GammaorEBCrosslinkingGraftingDegradationMonomersolutionGammaorEBPolymerizationProductsover90%Products10%monomerRadiationProcessingofPolymersMajorradiation-inducedreactions:CrosslinkingGraftingPolymerizationDegradationAdvantages:RoomtemperatureprocessingNocatalyst–pureproductsProcessinginsolidstatemoldedproductHighspeedprocessing(EB)CommerciallyproducedcrosslinkedorgraftedpolymersRadiationcrosslinkingwireandcableThermalshrinkingmaterialRadiationpolyolefinfoammaterialPolymerpositivetemperaturecoefficient(PPTC)Batteryseparators(AAcgrafted)Others……ApplicationRatioofEB(IAEA2009)CompanyLogoWireandcableRadiationcrosslinkedpolyolefincableslowsmokenon-halogennon-flammableRadiationcrosslinkedwireInsulatedPVCwireinsulatorWireandcableWithstandhightemperaturesDevelopmentTendencyLowsmokenon-halogenoilresistantForaviation,nuclearpowerplant,shipping,etalThermalshrinkablematerialdoublewallpipePTFEApplication：Automobile、Ship、Military、HighSpeedRailetalEnvironmentalshrinkabletubeRadiationpolyolefinfoammaterialNon-flammablefoammaterialsConductivity-typefoammaterialsPolymerpositivetemperaturecoefficient(PPTC)Application:•Telecommunicationequipment•Powersupply,batterycharger•Automobilemotor•MobilePhone•DigitalCamera,PortableDVD•USB,IEEE1394Ports•Computermotherboard•IndustrialandconsumerelectronicetcPPTCVoltage:36VWidth:24cmNominalpower:50-70W/MSmartwarmproductsBatterySeparatorsRadiationgraftedmembraneFromDragonoftheCenturyMaincompanyforradiationprocessingCompanyYearAnnualoutputvalue(billion,RMB)mainproductsCYG20101.57PPTC，TSM，Wire,CableKINWA20101.1TSMWOER20100.72TSMPPTCHONGSHANG20100.12TSMCHANGFU20100.34Wire，CableJY_FIRE20100.05Wire，Cablefoshan-plastic20100.04PEXThermalshrinkablematerial：TSMPolymerpositivetemperaturecoefficientthermistor：PPTCCrossLinkedPolyethlenePipe：PEXCYGcompany3000staffs6productionbase11EBsystemsThermalshrinkingmaterialWireandcablePPTCAnnualoutputvalue:1.57billionRMBKINWAcompany(RMB):1.1billionWOERcompanyThermalshrinkingmaterialPPTCAnnualoutputvalue(RMB):0.72billion(RMB):0.34billionFoshan-plasticcompany