Screen pad printing as industrial hightech printing processes

Screen & pad printing as industrial high-tech printing processes Sector Group Printing Inks German Paint and Printing Ink Association (Vd. L)

Pad Printing Process • Printing onto planar & non-planar surfaces • Printing of finest details • Printing onto small objects • High Opacity (multi colour printing) Image source: Pröll KG drupa 2016 Slide 2

Pad Printing Process • Indirect gravure printing process: transfer of an image by a silicone pad • open and closed printing systems • different level of automation • 1 -, 4 – colour- and rotary pad printing - machines • Solvent based ink systems are used in most cases drupa 2016 Slide 3

Application Pad Printing • 3 D objects like golf balls • Promotional items, toys, sporting goods • Household appliance • Automotive industry • Bottle closures in beverage industry • Edge bands for the furniture industry Image source: RUCO Druckfarben / Image source: Marabu Gmb. H & Co. KG drupa 2016 Slide 4

Application Pad Printing „Direct to textile“ printing • Substitution from labels in T-Shirts & underwear by „direct to textile“ printing • high wash resistance (30 – 90°C) • Oekotex conformity (Restricted Substance list) drupa 2016 Image source: Marabu Gmb. H & Co. KG Slide 5

Screen Printing Process Screen Printing „Print-Through Process“ Image source: Pröll KG drupa 2016 Slide 6

Screen printing. Separation against other printing techniques • opacity > 50 % pigment content • Ink film thickness 5 to > 30µm(Braille > 200 µm) • Line width 30 µm up to full area • High optical density > 5 (black) • Partical Size pigments 5 – 200 µm for effect pigments • Rheological properties shear thinning to flowable(1 Pas) drupa 2016 Slide 7

Application Label Printing Market for label printing: See presentation number 8 „Wonderworld Label“ Image source: Marabu Gmb. H & Co. KG drupa 2016 Slide 8

Application Credit / ID Cards Signature Field PVC/PC Overlay Film or Protective Lacquer (UV) Decorative Inks (Solvent Based/UV) Screen Printing: Metallic Shades Combinations with Offset Primer Core Film PVC / PC Image source: Pröll KG drupa 2016 Slide 9

Application Credit / ID Cards • Credit / ID Cards made of PVC (and PC) Films • Solvent Based, but also UV Curing Screen Printing Inks • Decorative and Functional Screen Printing Inks • Screen Inks offset overprintable & suitable for Lamination • Metallic Shades and Special Effects feasible • Firm Bond in the Multilayer Structure of Inks and Films drupa 2016 Slide 10

Functional printing Printed circuit boards & electronics, solar cells • Etch- and Plating resists • Coverlay-, Peelable Inks, Solder masks • Conductive inks (Carbon-, Silver based) • Dielectrics, marking inks • Silver & Aluminium Metallization pastes for PV drupa 2016 l ica m u S e Ch n e: ag c ur so e Im Slide 11

Application functional Printing Application in electronic devices • Smart Packaging solutions • Printed antennas • Membran switches/Touchpanels • ID-Plastic cards/ Security Labels • Automotive & Industrial Electronics Images: Marabu Gmb. H & Co. KG / RUCO Druckfarben / Sun Chemical drupa 2016 Slide 12

Process IMD Technology In. Mold Decoration (IMD) Printing 1 Forming 2 Component Surfaces Cutting sensitive with regard to • 3 Chemical Resistance • Abrasion Resistance Backmoulding 4 UV Curing Dual Cure Protective Lacquers Image source: Pröll KG drupa 2016 Slide 13

Process IMD Technology • Screen Printing Standard Process in IMD/FIM Technology • Decoration and Production of Automotive Interieur Parts, Front Panels of IT and Household Appliances • Excellent Adhesion to different Film Materials, e. g. PC, PET, PMMA, PP • Highly flexible and formable via thermal, mechanical, Vacuumand High Pressure Forming drupa 2016 Slide 14

Process IMD Technology • Long-term adhesion between film / ink / injection moulding material Image source: Pröll KG • Resistance to thermal stress and shear caused by melt of injection moulding material • Compatibility with conductive silver inks drupa 2016 Slide 15

Process Dual Cure Protective Lacquers for IMD Applications Decorative Print, second-surface Surfaces fulfil stringent requirements of automotive industry with regard to chemical Print of and abrasion resistance Forming UV-Dual Cure Lacquer, first-surface Resistance to creams according to PV 3964 VW AG PAPP PWT 7328 GMW 14445 UV Curing drupa 2016 Cutting Backmolding Image source: Pröll KG Slide 16

Process Dual Cure Protective Lacquers • Solvent-based UV systems, additionally cross-linked via isocyanate reaction • Improvement of surface resistances of PC, PMMA, ABS, PA oder PP Folien • Printing of pre-coated, non-cured films for realisation of matt / glossy combinations on one part drupa 2016 Image source: Marabu Gmb. H & Co. KG Slide 17

Printing of Effects • Haptic effects (3 D) up to 200µm (braille lacquer) • Gloss-, matt-, textured effects • Metallic, perl lustre, glittering, flip-flop / tipping effects and rainbow effects • Mirror silver, photoluminescence (glow in the dark) effect drupa 2016 Image source: Marabu Gmb. H & Co. KG Slide 18

Container printing - Application Plastic (direct printing): • UV curable printing inks in most cases • Industrial containers (Silicon Sealants…) • Kosmetic articles (tubes, cosmetic jars, eyeliner pencil, etc. ) drupa 2016 Image source: Marabu Gmb. H & Co. KG • Food Packaging (Ketchup, mustard…) Slide 19

Container Printing - Process Glass (Direct printing): • Ceramic Screen Printing Inks (Heavy metals, high firing temperature 500 -600 °C, limited colour palette) • Thermoplastic Screen Printing Inks (Chips screen temperature around 80 °C, 4 colour print, Pantone Colours) • Organic Screen Printing Inks: Solvent based inks (1 K/2 K, firing temperature 140 – 250 °C) UV curable inks (2 K, with/without firing 140 – 180 °C) drupa 2016 Slide 20

Container Printing - Application / Process Round glass: • One way bottles, drinking glasses • Baby drinking bottles, cosmetic flacons • Embossing stamp, high pressure, slow • Rotary hot stamping, high pressure, faster drupa 2016 Image source: Marabu Gmb. H & Co. KG Hot Stamping combined with Screen printing: Slide 21

Application Cold Stamping Process (In. Linefoiling®): • Decoration of glass container and plastic tubes • Principle: Print of UV curable glue by screen printing • Combination of cold stamping foil and adhesive, LED curing • Application of the topcoat for required chemical resistance • Colouring of the topcoat by mixing with pigment pastes drupa 2016 Slide 22

Application Flat Glass: • Furniture (glass doors & splash guard in kitchens) • Data input systems (displays for ship control, coffee dispensers, gaming machines…) • VSG glass / partition walls (entrance hall/area, sanitary areas) • 3 C Market = Computer, Communication, Consumer Electronics Image source: Marabu Gmb. H & Co. KG drupa 2016 Slide 23

Thank you for your attention! Sector Group Printing Inks German Paint and Printing Ink Association Mainzer Landstraße 55 60329 Frankfurt am Main Germany Phone: E-Mail: Web: © Sector Group Printing Inks of the German Paint and Printing Ink Association (Vd. L) +49 69 2556 -1411 vdl@vci. de www. druckfarben-vdl. de Image source front page: https: //de. fotolia. com