bayer光固化UV

BD-IndustrialCoatings•Dr.FischerUVplastic•January2006•Page1BusinessUnitCASPleasehaveregardtoourguaranteeclausefortechnicalserviceUVsystemsforcoatingsonplasticEffectstobeachieved:optics-brilliance,highgloss-silkmatthaptics-softfeelprotection-mechanical,scratch,abrasion-degradation,outdoorconditions-chemicalattack,solvents,acidsetc.barrierproperties-preventevaporationCriticalissues:Adhesionmaintain/improvepropertiesadjustelasticity/hardnessConsequence:Multiplesubstrates,differentcoatings,varietyofapplicationsBD-IndustrialCoatings•Dr.FischerUVplastic•January2006•Page2BusinessUnitCASPleasehaveregardtoourguaranteeclausefortechnicalserviceStructure/propertyrelationshipsMolecularweightLowHighReactivityViscosityDouble-bonddensityLowHighFlexibilityHardnessChem./mech.resistanceFunctionalityLowHighFlexibilityReactivity-+++++++------BD-IndustrialCoatings•Dr.FischerUVplastic•January2006•Page3BusinessUnitCASPleasehaveregardtoourguaranteeclausefortechnicalserviceHowtoachievespecificpropertieswithUV-coatingsonplastic?Optimalcombination(high/low)fordesiredhardness/flexibilitybalanceMolecularweight/viscosityFunctionality/DB-densityOptimizationofformulationMonomersreduce/destroythepropertiesoftheresins!Desmolux:LowviscousresinswithadjustedfunctionalityanddoublebonddensityBD-IndustrialCoatings•Dr.FischerUVplastic•January2006•Page4BusinessUnitCASPleasehaveregardtoourguaranteeclausefortechnicalserviceUVFlooringwithDesmoluxMaterialsHardflooringElasticflooringLaminatesParquetParquetPVC(furtherPolymers,corketc.)extremlyhardhardtough/elastictough/elasticTest:S33,S42S33,S42CS10,gritfeederCS10,CS17,gritfeederLS2110LS2265LS2989LS2110LS2989LS2220LS2220LS2258LS2430XP2614LS2220,2258LS2989,2430XP2513,2614combinedwithinorganicfillerswithandwithoutinorganicfillersBD-IndustrialCoatings•Dr.FischerUVplastic•January2006•Page5BusinessUnitCASPleasehaveregardtoourguaranteeclausefortechnicalserviceUrethaneacrylates,formsupplied100%DesmoluxLS2258XP2430LS2265XP2614TypealiphaticaliphaticaliphaticaromaticViscosityat23°CinmPasca.7,000ca.8,000ca.800ca.6,000Hazencolourvalueca.100ca.100ca.100Iodineca.2Molecularweighting/Molca.1,100ca.2,000ca.650ca.2,000Functionality(acrylicdoublebonds)ca.3ca.3.9ca.3.4ca.3.9DoublebonddensityinVal/kgca.2.7ca.2.9ca.5.3ca.3UV-UV-reactivity+2.5%Initiator*ca.10m/minca.400mJ/cm²ca.15m/minca.250mJ/cm²ca.3m/minca.1,500mJ/cm²ca.20m/minca.200mJ/cm²Elongationatbreakin%ca.27ca.15ca.2ca.15TensilestrengthinN/mm²ca.15ca.6ca.21ca.6YellowingresistancegoodgoodgoodmoderateMech./chem.resistancegoodgoodgoodgoodAbrasionresistancegoodexcellentgoodexcellentSpecialpropertiescomb.withLS2265hardness/elasticityratiosareadjustableabrasionresistance,especiallyGritFeedergiveshardpolymerisate,suitabletoadjustviscosityandhardnessofotherUA-systemsabrasionresistance,especiallyGritFeeder*FormsuppliedwithIrgacure184,approx.30g/m²onoakveneer,1mercuylamp(80W/cm),typeISTBD-IndustrialCoatings•Dr.FischerUVplastic•January2006•Page6BusinessUnitCASPleasehaveregardtoourguaranteeclausefortechnicalserviceAbrasionresistanceoflowviscousureth.acrylatesDesmoluxXP2614LS2258XP2430LowviscousurethaneacrylatearomaticaliphaticaliphaticCS10with10Nload,Øvalueinmg/100cycles2.61.91.6CS17with10Nload,Øvalueinmg/100cycles3.12.61.7GritFeeder10Nload,100µm,numberofcycles6,2005,5007,900Formulation:Resin+DPGDA+Photoinitiator80-85pbw+15-20pbw+3%Irgacure1700Viscosity:ca.2,000mPasBD-IndustrialCoatings•Dr.FischerUVplastic•January2006•Page7BusinessUnitCASPleasehaveregardtoourguaranteeclausefortechnicalserviceRadiationcuringformulationFWO4034TopcoatforflexiblePVCsubstratespbw.%bywt.FormulationDesmoluxVPLS2430100,0067,84DPGDA42,9029,10Darocur1173(1)4,302,92BykUV3500(2)0,210,14147,41100,00TechnicaldataViscosity23°Cca.800mPasPretreatmentCoronadischargeApplication-Rollerapplicationca.20g/m²andcuringconditions1mercuryUVlamp(80W/cm)IL390CLightBugca.5m/min(ca.1000mJ/cm²)NoteAdhesionisdependentonthecompositionofthesubstrate(e.g.amountofsoftener)Supplier(1)(2)•Dr.FischerUVplastic•January2006•Page8BusinessUnitCASPleasehaveregardtoourguaranteeclausefortechnicalserviceRadiationcuringformulationFWO4013BUV-curingtopcoatforflexiblePVCsubstratepbw.%bywt.FormulationDesmoluxVPLS225870,0067,80Photomer4050(PEG200diacrylate)(1)30,0029,10Darocur1173(2)3,002,90BykUV3500(3)0,250,20103,25100,00Technicaldataviscosityat23°Cca.600mPasPretreatmentCoronadischargeApplication-Rollerapplicationca.10g/m²andcuringconditions1mercuryUVlamp(80W/cm)20m/min(ca.200mJ/cm²)Supplier(1)(2)(3)•Dr.FischerUVplastic•January2006•Page9BusinessUnitCASPleasehaveregardtoourguaranteeclausefortechnicalserviceRadiationcuringformulationFWO4035BTopcoatforflexiblePVCsubstratespbw.%bywt.FormulationDesmoluxVPLS2430100,0054,29DPGDA69,0037,46AcemattOK412(1)7,003,80AcemattTS100(1)3,001,63Irgacure184(2)5,002,71BykUV3500(3)0,200,11184,20100,00Technicaldataviscosityat23°Cca.850mPasPretreatmentCoronadischargeApplication-Rollerapplication