Post on 26-Mar-2015
23年 4月 10日 1
What is UV What is UV curing system ?curing system ?
SOLTECH LTD.SOLTECH LTD.
23年 4月 10日 2
AdvantagesAdvantages
Energy savingEnergy saving No volatile solventNo volatile solvent Very short cure timeVery short cure time No heatNo heat One pack systemOne pack system Space savingSpace saving
23年 4月 10日 3
UVUV(200~400nm)(200~400nm) curing curing
Photo-initiator P. (free Photo-initiator P. (free radicals)radicals)
Free radical + monomer + oligomerFree radical + monomer + oligomer Cross linked polymer networkCross linked polymer network
UV
23年 4月 10日 4
OligomerOligomer
Epoxy acrylateEpoxy acrylate Urethane acrylateUrethane acrylate Polyester acrylatePolyester acrylate Acrylic acrylateAcrylic acrylate Amino acrylateAmino acrylate
Epoxy acrylate (1)Epoxy acrylate (1)
Paper coatingPaper coating Overprint varnishOverprint varnish Wood coatingWood coating Ink application (screen , offset)Ink application (screen , offset) Solder resist inkSolder resist ink
Chemical resistance , fast cure and hardness
Epoxy acrylate (2)Epoxy acrylate (2) BPA epoxy acrylate (Solmer E 120,145,146,1686BPA epoxy acrylate (Solmer E 120,145,146,1686……)) Paper and wood coatingPaper and wood coating Acrylate of epoxydized oil (Solmer E 186Acrylate of epoxydized oil (Solmer E 186……)) ink applicationink application Modified epoxy acrylate (Solmer E 1701,1702,1703..)Modified epoxy acrylate (Solmer E 1701,1702,1703..) screen ink , paper and woodscreen ink , paper and wood Novolac epoxy acrylate (Solmer E 1626,1636,1656..)Novolac epoxy acrylate (Solmer E 1626,1636,1656..) solder resist , hard coatingsolder resist , hard coating Acid modified Epoxy Acrylate (Solmer E 1695Acid modified Epoxy Acrylate (Solmer E 1695……)) PSR , metal coatingPSR , metal coating
Urethane Acrylate (1)Urethane Acrylate (1) Toughness , flexibility , adhesion and non-Toughness , flexibility , adhesion and non-
yellowingyellowing
Plastic and film coatingPlastic and film coating Floor tile coatingFloor tile coating Screen inkScreen ink PVC floor and wood coatingPVC floor and wood coating AdhesiveAdhesive Anti-fog coatingAnti-fog coating
Urethane Acrylate (2)Urethane Acrylate (2) Polyester type (Solmer U 584, 594, 580Polyester type (Solmer U 584, 594, 580……)) adhesion , toughnessadhesion , toughness Polyether type (Solmer U 530, 564Polyether type (Solmer U 530, 564……)) flexibility , fast cureflexibility , fast cure Others (Solmer U 522, 522B, 520, 5260Others (Solmer U 522, 522B, 520, 5260……)) fast cure , hardnessfast cure , hardness
Polyester Acrylate Polyester Acrylate Adhesion , pigment-wetting , low viscosityAdhesion , pigment-wetting , low viscosity Offset and screen inkOffset and screen ink Solmer P 236Solmer P 236…… Etching resistEtching resist Solmer P 270,271,272Solmer P 270,271,272…… Paper and Wood coatingPaper and Wood coating Solmer P 280,281Solmer P 280,281…… Flexo inkFlexo ink Solmer P 280,281Solmer P 280,281…… Laminating adhesiveLaminating adhesive Solmer P 220Solmer P 220……
Acrylic acrylateAcrylic acrylate Adhesion , solvent resist , non-yellowingAdhesion , solvent resist , non-yellowing Plastic coatingPlastic coating Overprint varnishOverprint varnish AdhesiveAdhesive Solmer A 345,364,3710Solmer A 345,364,3710
Amino acrylateAmino acrylate
Improve UV cure responseImprove UV cure response Paper and Wood coatingPaper and Wood coating Screen inkScreen ink Solmer Z 115, 225Solmer Z 115, 225
AdditiveAdditive Silicone Acrylate (Solmer Z 9135, 9136Silicone Acrylate (Solmer Z 9135, 9136……)) slip and substrate wettingslip and substrate wetting Adhesion promoter (Solmer Z 9166, 9167)Adhesion promoter (Solmer Z 9166, 9167) PCB ink , metal and plastic coatingPCB ink , metal and plastic coating Non-silicone leveling agent (Solmer Z 9070)Non-silicone leveling agent (Solmer Z 9070) screen inkscreen ink
Monomer (1)Monomer (1)
How to select monomer? How to select monomer? Viscosity and SolubilityViscosity and Solubility VolatilityVolatility Odor and toxic propertyOdor and toxic property Reactivity and functionalityReactivity and functionality Percent of shrinkagePercent of shrinkage
Monomer (2)Monomer (2)
Mono : NVP, Styrene, IBXA, PEAMono : NVP, Styrene, IBXA, PEA…… Di : TPGDA, HDDA, TTEGDADi : TPGDA, HDDA, TTEGDA…… Tri : TMPTA, PETATri : TMPTA, PETA Others : PE4A, DPHAOthers : PE4A, DPHA
Monomer (3)Monomer (3)
A : viscosity, reactivity, hardness, gloss, chemical A : viscosity, reactivity, hardness, gloss, chemical resistance resistance
B: flexibility, solvency, adhesionB: flexibility, solvency, adhesion
Strategy for formulationStrategy for formulation 1. Select Oligomer(s) for basic film forming 1. Select Oligomer(s) for basic film forming
propertiesproperties
2. Use Monomer for viscosity control2. Use Monomer for viscosity control
3. additives for performance fine tuning3. additives for performance fine tuning
4. photo-initiator package is critical4. photo-initiator package is critical
General principlesGeneral principles
1.Each component plays a key role in 1.Each component plays a key role in total performancetotal performance
Formulate for total performanceFormulate for total performance Optimize on performance Optimize on performance
requirementsrequirements Viscosity control, simple dilution no!Viscosity control, simple dilution no!
General principlesGeneral principles
2. formulations are sensitive to 2. formulations are sensitive to curing process parameters and curing process parameters and equipmentequipment
Use controls in experimental design Use controls in experimental design to see effects of external factorsto see effects of external factors
General principlesGeneral principles
3. cost/performance is the key3. cost/performance is the key
Raw material costsRaw material costs Volume dependencyVolume dependency Energy costsEnergy costs Labor costsLabor costs Competitive pricingCompetitive pricing
OligomersOligomers
Basic film forming propertiesBasic film forming properties
Hardness abrasion Hardness abrasion resistanceresistance
Chemical resistance scratch Chemical resistance scratch resistanceresistance
Flexibility adhesionFlexibility adhesion Toughness weatherability Toughness weatherability
OligomersOligomers
Other considerationsOther considerations
Cure speed stabilityCure speed stability Cost toxicityCost toxicity Special properties Special properties
availabilityavailability
MonomersMonomers
Viscosity reductionViscosity reduction Flexibility (monofunctional)Flexibility (monofunctional) Crosslinking (multifunctional)Crosslinking (multifunctional) May also increase speedMay also increase speed
AdditvesAdditves
Wetting pigmentWetting pigment Flow fillerFlow filler Slip temperatureSlip temperature resistanceresistance adhesionadhesion
Photo-initiatorPhoto-initiator
Cost type of systemCost type of system Pigment/color processing variablesPigment/color processing variables Film thicknessFilm thickness
ApplicationApplication
Wood , paper & board coatingWood , paper & board coating Plastic (PVC floor, ABS, PC,PP)Plastic (PVC floor, ABS, PC,PP) Adhesive (laminating, PSA)Adhesive (laminating, PSA) Ink (screen, wet & dry offset, flexo)Ink (screen, wet & dry offset, flexo)