Fraunhofer Institute for Electron Beam
Coating technologies for polymer films
#01 – Decorative layer
- Changing color effect through backlighting
- Interference layer system using sputtering
- Physical colors
#02 – Bird protection film
- Micro-optical structures with optical contrast between the films that is barely visible to humans
- Optical appearance greatest in the UV spectral range and therefore visible to birds
- Reliable effect guaranteed in different lighting conditions
PHABULOUS
Pilot-line providing highly advanced & robust manufacturing technology for optical free-form micro-structures
Fördergeber:
Europäische Union
Förderkennzeichen: 871710
Laufzeit: 01.01.2020 - 31.12.2024#03 – Transparent conductive layers
- Comparison of optically transparent electrodes with comparable optical transmission of approx. 80%
- Left: Layer system with silver and ITO on ETFE → Layer resistance: 5.4 ohms
- Right: Single layer ITO on ETFE → Layer resistance 121 ohms
Fördergeber: Bundesministerium für Wirtschaft und Klimaschutz
Förderkennzeichen: 03EN1048A
Laufzeit: 01.08.2022 - 31.07.2026
Partner:
- Fraunhofer-Institut für Elektronenstrahl- und Plasmatechnik FEP
- Fraunhofer-Institut für Silicatforschung ISC
- Hochschule für Technik Stuttgart
- tesa SE
- Coatema Coating Machinery GmbH
- Enerthing GmbH
- Landeshauptstadt Dresden
#04 – Sun protection coatings
- Very high transmission in the visible range (> 80%)
- Proportion of infrared light is blocked
- No heating of interior spaces without significant darkening of the room
#05 – Color-shifting layers
- Optical layer system for security features
- Color impression in reflection pink and transmission green
- Technology: Sputtering and arcPECVD → Scalability and high homogeneity
- e.g. counterfeit protection
- Holograms, color-shifting layers
#06 – Filter membranes
- Gold coating on PET membrane film with pores of 0.8 µm
- Coating by roll-to-roll sputtering
- Application: Particle analysis in pharmaceutical liquids
- Cooperation with i3membrane GmbH
FlexFunction2Sustain
Open Innovation Ecosystem for Sustainable Nanofunctionalized Flexible Plastic and Paper Surfaces and Membranes
Fördergeber:
Europäische Union; Horizon 2020
Förderkennzeichen: 862156
Laufzeit: 01.04.2020 - 01.04.2024#07 – Anti-reflective film
- Nanostructuring on both sides of PET film (right) compared to untreated PET film (left)
- Nanostructures produced in a roll-to-roll process Sputtering process with fully oxidized atmosphere
PolAR
Polymeric films with anti-reflection properties by plasma etching
Fördergeber:
Bundesministerium für Wirtschaft und Technologie
Förderkennzeichen: 16/N0723
Laufzeit: 01.10.2008 - 30.09.2011#08 – Decorative texturing
- Structuring of a polymer coating via imprinting process and cross-linking via electron beam in a roll-to-roll process
Convert2Green
Converting Facilites Network for accelerating uptake of climate neutral materials in innovative products
Fördergeber:
Europäische Union; Horizon 2020
Förderkennzeichen: 101092347
#09 – Anti-reflective coating
- Microstructuring of scratch-resistant coatings
- Combines scratch-resistant and anti-reflective properties
- Technology: Roll-to-roll nanoimprint lithography and cross-linking via electron beam
- e.g., anti-glare surface for displays, privacy screens
FlexFunction2Sustain
Open Innovation Ecosystem for Sustainable Nanofunctionalized Flexible Plastic and Paper Surfaces and Membranes
Fördergeber:
Europäische Union; Horizon 2020
Förderkennzeichen: 862156
Laufzeit: 01.04.2020 - 01.04.2024#10 – matt black lacquer coating
- Technology: Roll-to-roll structuring using film matrix and electron beam cross-linking
- e.g. decorative surfaces for facade elements, anti-fingerprint surfaces