UV-curable hotmelt pressure-sensitive adhesives (UV-HM PSAs) are a key modern technology in the production of self-adhesive films for Large Format Printing (LFP) media. They bridge the gap between traditional solvent-based acrylic adhesives, water-based acrylics, and standard rubber hotmelts. UV Hotmelt Technology in Ikonos Factory will positively influence the whole large format printing media industry.
UV-curable hotmelt pressure-sensitive adhesives (UV-HM PSAs) are a key modern technology in the production of self-adhesive films for Large Format Printing (LFP) media. They bridge the gap between traditional solvent-based acrylic adhesives, water-based acrylics, and standard rubber hotmelts. UV Hotmelt Technology in Ikonos Factory will positively influence the whole large format printing media industry.
How UV Hotmelt Technology Works
- Application: The adhesive—typically an acrylic-based polymer with photoinitiators—is heated to a flowable state and coated directly onto a flexible film face stock or release liner.
- UV Cross-Linking: Immediately after coating, the film passes under high-intensity UV lamps. The UV light triggers chemical cross-linking within the acrylic polymer chains, creating a durable, cohesive network.
- Cooling & Converting: The film cools instantly without requiring long drying tunnels or chemical aging periods, making it immediately ready for slitting, spooling, or lamination.
| Metric / Aspect |
UV Hotmelts vs. Traditional Alternatives
|
LFP Benefit |
|
Coating Thickness |
Precise laydown control from thin films up to thick coatings | Ideal for heavy-duty graphic films (e.g., wall wraps, floor graphics, rough surface films). |
|
Environmental Impact |
100% solids formula; zero VOCs, no organic solvents, low energy consumption.
|
Complies with strict environmental standards (e.g., REACH) and eliminates solvent recovery systems.
|
|
Footprint & Speed |
Compact machinery footprint; no drying ovens needed.
|
Highly scalable production with drastically lower capital expenditure on factory space.
|
|
Temperature Resistance |
Cross-linked polymer structure withstands high temperatures
|
Prevents adhesive shrinkage or shear failure during hot lamination or under direct outdoor sunlight.
|
|
Chemical & UV Stability |
Acrylic base provides intrinsic resistance to UV yellowing and weather aging.
|
Extended outdoor life for vehicle wraps, outdoor banners, and window graphics.
|
Relevance to Large Format Printing (LFP)
- Controlled Tack and Removability: By tuning the UV dose, manufacturers can precisely dial in properties ranging from permanent high-tack adhesion to low-tack, removable, or repositionable graphics.
- Substrate Compatibility: Works effectively with delicate or heat-sensitive substrates (like thin PVC, monomeric/polymeric vinyls, or eco-friendly PP/PET alternatives) because thermal exposure during coating is minimal compared to hot drying tunnels.
- Low Oozing/Bleed: UV cross-linking ensures high cohesive strength, preventing adhesive build-up along roll edges (telescoping) and preventing blade fouling during plot-cutting or CNC converting.
Features & Advantages:
Complies with the highest environmental standards
ZERO VOC
Resistance to elements
Chemical stability
Precise coating layer
Designed for demanding applications
Print protection – the way to save money
Every printed surface is under the risk of being accidentally damaged or purposely vandalized. The chance is inversely proportional to the distance between the exposed media and the recipient. And since many projects are designed to be on view for longer time it is...
Join Fespa trade fair for free!
It is fair to say that Fespa trade fair is more than just a specially important event in the world of digital and large format printing. It is "the must visit event" simply to keep up to novelties and to meet with contractors and partners from all over the world. New...
We support Speedway Fan Club of our local team
The Speedway season is officially open. It means that Sundays on the Opole's Statdium will be exciting and loud again. This sport is fast and trully fascinating for everyone who loves the sound of engines. Kolejarz Opole fans celebrated the opening day properly....
PVC-free Products
