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2014-01-11 1 What is UV curing system ? SOLTECH LTD.

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Presentation on theme: "2014-01-11 1 What is UV curing system ? SOLTECH LTD."— Presentation transcript:

1 What is UV curing system ? SOLTECH LTD.

2 Advantages Energy saving Energy saving No volatile solvent No volatile solvent Very short cure time Very short cure time No heat No heat One pack system One pack system Space saving Space saving

3 UV (200~400nm) curing Photo-initiator P. (free radicals) Photo-initiator P. (free radicals) Free radical + monomer + oligomer Free radical + monomer + oligomer Cross linked polymer network Cross linked polymer network UV

4 Oligomer Epoxy acrylate Epoxy acrylate Urethane acrylate Urethane acrylate Polyester acrylate Polyester acrylate Acrylic acrylate Acrylic acrylate Amino acrylate Amino acrylate

5 Epoxy acrylate (1) Paper coating Paper coating Overprint varnish Overprint varnish Wood coating Wood coating Ink application (screen, offset) Ink application (screen, offset) Solder resist ink Solder resist ink Chemical resistance, fast cure and hardness

6 Epoxy acrylate (2) BPA epoxy acrylate (Solmer E 120,145,146,1686…) BPA epoxy acrylate (Solmer E 120,145,146,1686…) Paper and wood coating Paper and wood coating Acrylate of epoxydized oil (Solmer E 186…) Acrylate of epoxydized oil (Solmer E 186…) ink application ink application Modified epoxy acrylate (Solmer E 1701,1702,1703..) Modified epoxy acrylate (Solmer E 1701,1702,1703..) screen ink, paper and wood screen ink, paper and wood Novolac epoxy acrylate (Solmer E 1626,1636,1656..) Novolac epoxy acrylate (Solmer E 1626,1636,1656..) solder resist, hard coating solder resist, hard coating Acid modified Epoxy Acrylate (Solmer E 1695…) Acid modified Epoxy Acrylate (Solmer E 1695…) PSR, metal coating PSR, metal coating

7 Urethane Acrylate (1) Toughness, flexibility, adhesion and non-yellowing Toughness, flexibility, adhesion and non-yellowing Plastic and film coating Plastic and film coating Floor tile coating Floor tile coating Screen ink Screen ink PVC floor and wood coating PVC floor and wood coating Adhesive Adhesive Anti-fog coating Anti-fog coating

8 Urethane Acrylate (2) Polyester type (Solmer U 584, 594, 580…) Polyester type (Solmer U 584, 594, 580…) adhesion, toughness adhesion, toughness Polyether type (Solmer U 530, 564…) Polyether type (Solmer U 530, 564…) flexibility, fast cure flexibility, fast cure Others (Solmer U 522, 522B, 520, 5260…) Others (Solmer U 522, 522B, 520, 5260…) fast cure, hardness fast cure, hardness

9 Polyester Acrylate Adhesion, pigment-wetting, low viscosity Adhesion, pigment-wetting, low viscosity Offset and screen ink Offset and screen ink Solmer P 236… Solmer P 236… Etching resist Etching resist Solmer P 270,271,272… Solmer P 270,271,272… Paper and Wood coating Paper and Wood coating Solmer P 280,281… Solmer P 280,281… Flexo ink Flexo ink Solmer P 280,281… Solmer P 280,281… Laminating adhesive Laminating adhesive Solmer P 220… Solmer P 220…

10 Acrylic acrylate Adhesion, solvent resist, non-yellowing Adhesion, solvent resist, non-yellowing Plastic coating Plastic coating Overprint varnish Overprint varnish Adhesive Adhesive Solmer A 345,364,3710 Solmer A 345,364,3710

11 Amino acrylate Improve UV cure response Improve UV cure response Paper and Wood coating Paper and Wood coating Screen ink Screen ink Solmer Z 115, 225 Solmer Z 115, 225

12 Additive Silicone Acrylate (Solmer Z 9135, 9136…) Silicone Acrylate (Solmer Z 9135, 9136…) slip and substrate wetting slip and substrate wetting Adhesion promoter (Solmer Z 9166, 9167) Adhesion promoter (Solmer Z 9166, 9167) PCB ink, metal and plastic coating PCB ink, metal and plastic coating Non-silicone leveling agent (Solmer Z 9070) Non-silicone leveling agent (Solmer Z 9070) screen ink screen ink

13 Monomer (1) How to select monomer? How to select monomer? Viscosity and Solubility Viscosity and Solubility Volatility Volatility Odor and toxic property Odor and toxic property Reactivity and functionality Reactivity and functionality Percent of shrinkage Percent of shrinkage

14 Monomer (2) Mono : NVP, Styrene, IBXA, PEA… Di : TPGDA, HDDA, TTEGDA… Tri : TMPTA, PETA Others : PE4A, DPHA

15 Monomer (3) A : viscosity, reactivity, hardness, gloss, chemical resistance B: flexibility, solvency, adhesion

16 Strategy for formulation 1. Select Oligomer(s) for basic film forming properties 1. Select Oligomer(s) for basic film forming properties 2. Use Monomer for viscosity control 2. Use Monomer for viscosity control 3. additives for performance fine tuning 3. additives for performance fine tuning 4. photo-initiator package is critical 4. photo-initiator package is critical

17 General principles 1.Each component plays a key role in total performance 1.Each component plays a key role in total performance Formulate for total performance Formulate for total performance Optimize on performance requirements Optimize on performance requirements Viscosity control, simple dilution no! Viscosity control, simple dilution no!

18 General principles 2. formulations are sensitive to curing process parameters and equipment 2. formulations are sensitive to curing process parameters and equipment Use controls in experimental design to see effects of external factors Use controls in experimental design to see effects of external factors

19 General principles 3. cost/performance is the key 3. cost/performance is the key Raw material costs Raw material costs Volume dependency Volume dependency Energy costs Energy costs Labor costs Labor costs Competitive pricing Competitive pricing

20 Oligomers Basic film forming properties Basic film forming properties Hardness abrasion resistance Hardness abrasion resistance Chemical resistance scratch resistance Chemical resistance scratch resistance Flexibility adhesion Flexibility adhesion Toughness weatherability Toughness weatherability

21 Oligomers Other considerations Other considerations Cure speed stability Cure speed stability Cost toxicity Cost toxicity Special properties availability Special properties availability

22 Monomers Viscosity reduction Viscosity reduction Flexibility (monofunctional) Flexibility (monofunctional) Crosslinking (multifunctional) Crosslinking (multifunctional) May also increase speed May also increase speed

23 Additves Wetting pigment Wetting pigment Flow filler Flow filler Slip temperature Slip temperature resistance resistance adhesion adhesion

24 Photo-initiator Cost type of system Cost type of system Pigment/color processing variables Pigment/color processing variables Film thickness Film thickness

25 Application Wood, paper & board coating Wood, 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)


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