ebeam Technologies Ebeam for Printing and Coating Applications Dream of Change, Beam for Change

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1 ebeam Technologies Ebeam for Printing and Coating Applications Dream of Change, Beam for Change Innovatieve Coatings Cluster 11/30/2017 1

2 RF power X-Ray ebeam At a glance About COMET Leading global provider of high-quality systems, components, and services in industrial x-ray, radio frequency and ebeam technologies. Founded in 1948 Headquarters in Flamatt, CH 13 subsidiaries worldwide >1100 employees worldwide OEM OEM > 200 in R&D OEM CHF 332m sales (2016) SIX SWISS Exchange End User End User Innovatieve Coatings Cluster 11/30/2017 2

3 COMET Group At a glance Davenport IA, USA ebeam Systems Innovatieve Coatings Cluster 11/30/2017 3

4 leave it broken Cut Examples: Sterilization and biomass upcycling let it bond to itself Link Examples: Curing of inks, crosslinking of packaging material and cables How ebeam works The 3 effects Get radical Break a bond and then Paste let it bond to something else Examples: Reactive compounding, grafting of biocompatible materials on membranes Innovatieve Coatings Cluster 11/30/2017 4

ebeam basics Dose versus Penetration Dose Dose represents the number of electrons delivered to substrate More dose applied to a surface will not penetrate a thicker film it will cause higher

1 MRad Voltage Determines how fast the electrons are traveling at impact Determines how far into the substrate the needed dose can be delivered Using a higher voltage to deliver a constant dose will

5 ebeam basics Dose versus Penetration Dose Dose represents the number of electrons delivered to substrate More dose applied to a surface will not penetrate a thicker film it will cause higher crosslink density at the surface Units of dose are in energy/mass 1 kj/kg = 1 kgy = 0.1 MRad Voltage Determines how fast the electrons are traveling at impact Determines how far into the substrate the needed dose can be delivered Using a higher voltage to deliver a constant dose will not increase the crosslink density it will increase the depth at which crosslinking occurs Lower Dose Higher Dose Lower Voltage Higher Voltage e- e- e- e- e- e- e- e- e- e- e- e- e- e- e- e- e- e- e- Film Not cross-linked Region Cross-linked Region Film Less Crosslinking More Crosslinking Innovatieve Coatings Cluster 11/30/2017 5

6 Dose distribution Depth/dose curves Innovatieve Coatings Cluster 11/30/2017 6

7 ENERGY kev Penetration DOSE kgy Effect on the substrate Implementing ebeam Only 3 parameters to deal with POWER kw Throughput Innovatieve Coatings Cluster 11/30/2017 7

How ebeam works The 3 cousins 1 2 1 4 1 4 2 2 3 3 X-Ray ebeam CRT 3 4 6 Electrons

voltage insulator 3 Glowing filament emits electrons 4 Electrons are accelerated in

Ultra-high vacuum 2 High a strong electric field Electrons hit phosphors on screen

Deflection coils 5 Electron beam 6 phosphorescent screen Innovatieve Coatings

8 How ebeam works The 3 cousins X-Ray ebeam CRT Electrons hit target and in the process X-rays are generated 1 Ultra-high vacuum 2 High voltage insulator 3 Glowing filament emits electrons 4 Electrons are accelerated in a strong electric field Electrons leave vacuum tube through ultra-thin window 1 Ultra-high vacuum 2 High voltage insulator 3 Glowing filament emits electrons 4 Electrons are accelerated in a strong electric field Electrons hit phosphors on screen and they emit visible light 1 Cathode 2 Accelerating anodes 3 Focus anode 4 Deflection coils 5 Electron beam 6 phosphorescent screen Innovatieve Coatings Cluster 11/30/2017 8

9 Power / Throughput 100kW 1 000m 2 /min 10kW 100m 2 /min EBS kev mm kw 1kW 10m 2 /min 100W 1m 2 /min EBE & EBLab kev COMET mm 0.5 ebeam 4 kw SYSTEMS ebeam product portfolio Beamscape 10W 0.01mm 0.1 m 1 m 10 m beam width Innovatieve Coatings Cluster 11/30/2017 9

10 Compact systems ebeam sealed lamp Large systems ebeam pumped systems ebeam Powerhouse Two types of ebeam machines Innovatieve Coatings Cluster 11/30/

11 ebeam Core ebeam Unlimited ebeam Powerhouse Pumped systems Energy kv kv Standard widths 0.9 m / 1.37 m / 1.8 m / 2.75 m up to 3.5 m Speed 400 m/min (30 kgy) 500 m/min (30 kgy) Innovatieve Coatings Cluster 11/30/

12 ebeam Compact ebeam Compact ebeam Powerhouse Sealed systems Energy 80 kv kv Standard widths 0.25 m / 0.38 m 0.25 m / 0.38 m Speed 100 m/min (30 kgy) 100 m/min (30 kgy) Innovatieve Coatings Cluster 11/30/

widths Speed A4 sample (216 x 297 mm) 3 30 m/min 0.

13 EBlab ebeam Engines ebeam Powerhouse Sealed systems Energy 200 kv, 300 KV 80 kv, 200 kv, 300 kv Standard widths Speed A4 sample (216 x 297 mm) 3 30 m/min 0.25 m / 0.38 m Innovatieve Coatings Cluster 11/30/

14 Teaser (circular beam) D-3PO (curing on 3D objects) ebeam Powerhouse Prototypes Energy Standard widths Speed 160 kv m Innovatieve Coatings Cluster 11/30/

15 Technology Overview Products ebeam Engines ebeam Systems EBLab Access ebeam Innovatieve Coatings Cluster 11/30/

16 Food packaging Sterilization Inks and curing Seed processing ebeam Applications Hall of Fame Cable and wire Adhesives Tires Heat shrinkables Innovatieve Coatings Cluster 11/30/

17 What does ebeam do in the industry? Curing of inks, coatings, adhesives Innovatieve Coatings Cluster 11/30/

$- - - - - - - - - - - E Reactive free radicals are generated Bond formations occur between different molecules The result: a liquid to solid film in a small fraction of a second How does it work?$

18 High energy electrons are accelerated towards the print/coating Electrons transfer their energy to the monomers/ oligomers/ polymers This energy transfer causes bonds to break in these molecules E Reactive free radicals are generated Bond formations occur between different molecules The result: a liquid to solid film in a small fraction of a second How does it work? How does electron beam technology cure inks and coatings? Innovatieve Coatings Cluster 11/30/

19 Curing process ebeam polymerizes the inks Innovatieve Coatings Cluster 11/30/

20 NO PHOTOINITIATOR PHOTOINITIATOR: generates primary free radicals if exposed to UV light. Coating formulations ebeam vs UV ADDITIVES: provide special functional properties. MONOMER: reactive diluents, influences crosslink density. OLIGOMER: provides the basic polymer properties. Innovatieve Coatings Cluster 11/30/

21 UV EB Energy in the form of photons Wavelength determines energy: typically 200 to 415 nm Energy unit conversion: 350 nm photon = 3.5 ev Total applied energy typically 0.5 J/cm2 Penetration depends on the optical density of the material Penetration is controlled by the peak irradiance (power and focus) of the UV source Good penetration into clear materials. Limited penetration into pigmented, filled, and opaque materials uv Energy in the form of accelerated e - Accelerating voltage determines energy: typically 80 to 300 kv Typical electron energy at substrate = 70,000 ev Total applied energy typically 20 to 40 kgy Penetration depends on the mass density of the material Penetration is controlled by acceleration voltage of the beam Easily penetrates into clear, pigmented, filled, and opaque materials e- Curing Process ebeam Vs UV Penetration Thickness Energy Level Penetration Thickness Energy Level Innovatieve Coatings Cluster 11/30/

22 Advantages Limitations Premium look/feel Excellent adhesion Colorblind Deep penetration - cures through aluminum foil Ambient process allows use of thermally sensitive materials Uniform drying no post-curing Controlled COF to process in product filling lines Initial Investment & Installation Cost Nitrogen consumption UV is much more developed in terms of field of research UV can be easily portable. More difficult with ebeam. Difficult to control crosslink density. UV is a much more controlled reaction. High production speeds wet-on-wet curing possible Precise dose slaved to line speed Odorless Curing Process Value of ebeam No photoinitiator Ultra low extractables / migration Low energy consumption no CO2 emission Innovatieve Coatings Cluster 11/30/

23 ebeam for everyone ebeam for printing technologies Printing Technologies Analog Digital Offset Flexo Electrophotography Inkjet Innovatieve Coatings Cluster 11/30/

CLEAR TOP FILM Electron beam WET FLEX INK ON PAPER OR POLYMER FILMS EB LAM ADH NIP ROLLERS ebeam WetFlex inks eliminate the need for drying between ink layers.

24 CLEAR TOP FILM Electron beam WET FLEX INK ON PAPER OR POLYMER FILMS EB LAM ADH NIP ROLLERS ebeam WetFlex inks eliminate the need for drying between ink layers. Flexographic Printing Curing EB flexo ink and inline laminating adhesive Curing/Drying Systems No VOC = no incineration or recovery system Very low energy consumption vs heat or UV curing No oven / No inter-station drying EB Laminating adhesives Full bonding instantly upon cure Cures through reverse printed films Bonding to a variety of print chemistries, film, paper and foil substrates Innovatieve Coatings Cluster 11/30/

25 New concept 4 in 1 ebeam Core for Flexo UTECO EB flexo printing EB lamination in-line slitting automatic unloading system Innovatieve Coatings Cluster 11/30/

Alternative for flexo and gravure printing Especially

inexpensive Low pre-print costs High print quality Easy

printed wet-on-wet Substrates as thin as 12 µm Web-offset

26 Alternative for flexo and gravure printing Especially suited for short runs Low set-up costs, plates are inexpensive Low pre-print costs High print quality Easy changing rolls : short set-up Fast change of colors Can be printed wet-on-wet Substrates as thin as 12 µm Web-offset for packaging ebeam OMET Innovatieve Coatings Cluster 11/30/

27 ebeam Overview OMET Varyflex V2 Offset Products printed in web-offset: Labels, bags Flexible packaging Lidding material Folding carton, liquid food Innovatieve Coatings Cluster 11/30/

of equipment Inline Configuration Offline Configuration

28 Leverage the benefits of ebeam technology to produce a variety of package decoration effects on a single piece of equipment Inline Configuration Offline Configuration ebeam Systems 4 in 1 Innovatieve Coatings Cluster 11/30/

Printing / Coating Lamination COAT CURE COAT CURE EB

Thick, Opaque, Metallic, and Textured Coatings Fully Cured

Can be Die Cut, Slit or Shipped Immediately Foil Transfer

Adhesive EB Curable Coating COAT CURE COAT CURE ebeam

29 Printing / Coating Lamination COAT CURE COAT CURE EB Curable Ink or Coating EB Curable Adhesive Instant Cure of Thick, Opaque, Metallic, and Textured Coatings Fully Cured Structure. Can be Die Cut, Slit or Shipped Immediately Foil Transfer Metalized Film Cast & Cure Cast & Cure Film EB Curable Adhesive EB Curable Coating COAT CURE COAT CURE ebeam Systems 4 in 1 Produces Gloss, Matte and Holographic Finishes Film is Rewound and Reused Innovatieve Coatings Cluster 11/30/

30 The negatively charged electron creates big positive change Innovatieve Coatings Cluster 11/30/

31 The ebeam inkjet revolution Gaia Digital Press Innovatieve Coatings Cluster 11/30/

32 The ebeam inkjet revolution Gaia Digital Press Innovatieve Coatings Cluster 11/30/

33 ebeam Printing The ebeam inkjet revolution Innovatieve Coatings Cluster 11/30/

34 Digital printing Electrophotography Innovatieve Coatings Cluster 11/30/

HP Indigo is the leading digital printing method. Why?

ElectroInk is polyethylene (PE) based Printed surface is therefore soft and

temperature too low to withstand heat sealing, even when laminated Heat Seal Area

35 HP Indigo is the leading digital printing method. Why? The combination of high-quality graphics and digital flexibility The HP Indigo ElectroInk is polyethylene (PE) based Printed surface is therefore soft and susceptible to scratching and abrasion The ink is also heat sensitive and melts at a temperature too low to withstand heat sealing, even when laminated Heat Seal Area ebeam cured OPV Heat Seal Area Solventless lamination HP Indigo Printed Materials Overview Innovatieve Coatings Cluster 11/30/

HP Indigo presses are available in several different models. Package printing commonly uses the 6800, 8000 or the 20000 models.

36 HP Indigo presses are available in several different models. Package printing commonly uses the 6800, 8000 or the models. ebeam Core HP Indigo Printed Materials Press Models ebeam Core 100/760 is designed to specifically align with specifications of the but also processes materials printed on the narrower models. ebeam Compact systems match well to requirements for finishing materials printed on the narrow web 6800 and 8000 models Innovatieve Coatings Cluster 11/30/

37 We want safe printed packaging! ebeam is the solution! ebeam and Digital Printing Opportunities Innovatieve Coatings Cluster 11/30/

38 Wood & Parquet Architectural and Industrial Foils Outdoor Panels Coil coating Aluminum caps HPL & Furniture Decorative Surfaces Applications Innovatieve Coatings Cluster 11/30/

39 Decorative Surfaces CAD curing against the (embossed) drum Innovatieve Coatings Cluster 11/30/

40 ebeam Overview 300 kv custom built ebeam Unlimited Innovatieve Coatings Cluster 11/30/

41 Courtesy of IPF Leibnitz Institute Materials Modification ebeam finishing of composite parts Innovatieve Coatings Cluster 11/30/

-snow not acceptable very good C. Zschech M. Gedan-Smolka, M. Pech, U.

42 after molding Coating Quality after EB treatment no power wash after molding not acceptable not acceptable after EB-treatment acceptable very good Materials Modification ebeam finishing of SMC composite parts CO 2 -snow not acceptable very good C. Zschech M. Gedan-Smolka, M. Pech, U. Gohs In-line edge layer modification of three dimensional sheet molding compounds; Leibnitz Institute IPF, Dresden Innovatieve Coatings Cluster 11/30/

43 Benefits in the coatingg industry Instant curing High Performance Constant in Time Energy Efficiency No Heat Colour Blind Penetration ability Better Adhesion No Photoinitiators Ultra Low Migration No odour Naturalness Improved food safety No chemicals Innovatieve Coatings Cluster 11/30/

44 Access Technology Tools for different Business Phase and Stakeholder S R L Service University Ind.R&D Chem. Comp. Quality Production Prod. Man. Sales OEM Phase 0 Fundamental R&D Phase 1 Scale-up / Feasibility Phase 2 Pre Production / Ramp-up / Market Intro Innovatieve Coatings Cluster 11/30/

45 The greatest challenge of our generation The dilemma of our time Solutions 9 B by % more energy by 2030 Climate change Behaviour Change 1 Generation Legislations 1 10 Years Technology 1 5 Years Innovatieve Coatings Cluster 11/30/

Get in touch Contact Marc Minon marc.minon@ebeamtechnologies.

46 Get in touch Contact Marc Minon Comet AG ebeam Technologies Herrengasse Flamatt Switzerland Innovatieve Coatings Cluster 11/30/

White Paper Adhesives Sealants Tapes

White Paper Adhesives Sealants Tapes Fundamental principles of UV reactive manufacturing processes Introduction While the UV systems technology and the appropriate chemistry have been developing continuously, the principle of irradiation