explained for both uv curing/leduv curing and solvent

ExplainedforBothUVCuring/LEDUVCuringandSolventBasedApplications

UVcuring,inkmakeup,andcuringoptionsSolventdrying/curing,make-up,andoptions

UV/UV-LED

UV&UV-LEDCuringInks

100%Ink

Resins/Oligomers

Monomers

Pigment

Additives

Photo-initiator

UV&UV-LED

CurableScreenInk

InkCuringVariables• InkDepositThickness• InkColor• Substrateorbackgroundcolor• ThroughCure&SurfaceCure

• Inkshaveaformulationbalancetocoverasmuchofthemarketaspossiblewithin‘normal’tolerances

ELECTROMAGNETICSPECTRUM

Curing/Cross-linking

Pigment InitiatorOligomer/Monomer/Additives

Wavelengths– Outputvs.RadiometerSensitivity

UVEnergy• UVC 200- 280nm• UVB 280- 315nm• UVA 315- 400nm• UVV4 00- 700nm

EITPowermap Radiometer

• UVC 250- 260nm• UVB 280- 320nm• UVA 320- 390nm• UVV 395- 445nm

TopCureUnderCureNormal/ThroughCure

Substrate

C B A VA2

BREAKINGDOWNLAMPSIe.10”Bulb,300w/in(3,000wattstotal)

w/cm^2

Nanometers

WHATDOESALEDWAVELOOKLIKEIe.6-8W/CM^2@395NM

Nanometers

HOWLOWCANYOUGO310NM- .016(NOTGREAT!)

ApplyingConceptstoRealLife

HowEfficientareLEDsystems?1.(2)30”Lamps@157w/cm^2/FullSpectrum2.(1)30”VegaLamp@8w/cm^2/395NM

Solvent-BasedInks

BasicChemistry• SOLVENTBASEDINKS– TraditionalProducts– Resin/Solvent/Pigments/Additives/Opacity/Drying

• WATERBASEDINKS– ShortPopularity88-94duetoUVScare– Resin/Solvent/Water/Pigments/Additives

Pigment ResinAdditivesSolvent

Drying

Crosslinking:temperature,time

CrossLinkPigment ResinAdditives

AirsurroundTemperatureTimeAdditives

TemperatureTimeAdditives

DryerTypesDefined

HowEachTypeCuresInk

CuringDefinedaDifferentWayLifeAfterWillSmith!

IREfficiencywhenControlled!1.FIREFLY2.CONVECTIONAIR(ELECTRIC)3.INLINECONDUCTIVESILVERPROCESS

RealWorld

ConductiveInks

Questions!SteveHarpoldBrownManufacturingElPresidenteBooth:1845Email:steve@brownmfg.net

LauraMaybaumNazdarInkTechnologiesPMDirectorBooth:1545Email:lmaybaum@nazdar.com