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UV-LED curing acrylate systems

How to optimize the performance of your UV LED curable systems

UV LED curing technology key drivers

 

 

  • Very high productivity and durability
  • Recommended for heat-sensitive substrates
  • Cure of complex shapes
  • HSE benefits

 

Learn more about UV-LED curing technology

UV LED and low energy curing acrylate solutions

Recommended applications

  • Flexible packaging
  • Wood coatings
  • Commercial print
  • Indirect food contact applications
  • Industrial and electronic coatings
UV LED curing specialty acrylate systems

A panel of solutions for superior performance

To go with the very fast development of UV LED curable coatings and inks, we have gathered for you our best recommendations to optimize performance

 

Properties Products Viscosity (Pa.s @25°C) F* EUPIA Swiss ordinance Annex 10 2016 Nestlé August 2016 IKEA

Hardness

SR833S 0,13 2 C C C C
CN2208 8 4 C NC C C
CN2912 3 @50°C 3 C C C C
CN9196 50 6 C C C
but PETA presence
NC

Chemical resistance

SR355 0,7 4 C C C C
SR399 14 6 C C C NC
CN9209 9 @60°C 9 C C C
but PETA presence
NC

Low yellowing

CN9210 2 @60°C 6 C C C
but PETA presence
NC
CN9215 1,2 @60°C 6 C C C
but PETA presence
C
Adhesion CN2560 3 4 C C C C
CN2565 0,23 2 C C C C
PRO22019 2,2 @50°C 4 C C C C
SR341 0,006 2 C C C C
Flexibility CN2303EU 0,35 6 C C C C
CN3755 1,3 2 C C C
but HDDA presence
C
CN550 2,8 3 C C C C
CN991 10 2 C C C NC
PRO21398 12 @60°C 4 C C C
but TMPTA presence
C
Pigment wetting CN113D70 5,1 @50°C 3 C C C C
CN2566Y 1,6 3 C C C C
CN2555 9 4 C C C C

 

F* = functionality         

EA = epoxy acrylate

PA = polyester acrylate

UA = urethane acrylate

 

C = conform

NC = not conform

Performance results

Accelerators performance benchmark

Formulation wt%
CN9001 45
Acrylate accelerator 20
SR341 20
CN3755 10
Speedcure* TPO-L 2,5
Speedcure* DETX 3

*by Lambson

Using SR355 (DiTMPTA) as reference
LED lamp Phoseon, air cooled, 395 nm, 12 W/cm2

 

 

 

 

 

 

Flexible binders performance benchmark

Formulation wt%
Flexible binder**
x
SR341 74,5 - x
SR399 20
Speedcure* TPO-L 2,5
Speedcure* DETX 3

*by Lambson

**Adjusted compositions to the same viscosity level

LED lamp Phoseon, air cooled, 395 nm, 12 W/cm2

 

 

 

 

 

Urethane acrylates performance benchmark

Formulation wt%

High functionality

urethane acrylate

55
SR341 30
CN3755 10
Speedcure* TPO-L 3
Speedcure* DETX
3

*by Lambson

Using CN9196, hexafunctional urethane acrylate, as reference
LED lamp Phoseon, air cooled, 395 nm, 12 W/cm2

 

 

 

 

 

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