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Advancements for EB curing systems

A booming technology that provides enhanced properties for coatings, inks and adhesives industries.

EB curing technology

From the automotive industry to the wood coating passing through the ink, the radiation curing technology is usable everywhere. The most used is Ultra-violet (UV) nevertheless Electron Beam (EB) is booming. The lowering capital cost and enhanced safety features with EB equipment explain this renewed interest. Electron Beam (EB) curing is a radiation process using the energy from accelerated electrons.

 

Supporting your project

Sartomer provides a unique service offering to help prospective customers perform feasibility studies in our lab. We combine deep know-how in (meth)acrylate chemistry with state-of-the-art laboratory equipment, to help you enhance the performance of EB curing in your existing applications, or test and develop proof of concept of new ideas.

 

Our lab service :

  • EBLab machine from 80 to 200 keV, format A4 up to 30m/min
  • Formulation lanb and access to the whole Sartomer products portfolio
  • Technical support
  • Chemical and physical characterization on site

 

EB curing applications

Sartomer can provide ready-to-use testing formulations to quickly perform trials in most applications:

Formulating for EB curing

It is commonly assumed that successful EB curing formulations can be based on UV curing formulations without photoinitiators or amine synergists. However, the curing mechanisms are very different and the properties of the coaintgs will reflect which radiations process is used. Sartomer has performed an extensive screening of oligomers and monomers in order to identify the best candidates for each end-use applications

 

 

EB - hardness and flexibility mapping

Our latest recommandations for advanced EB curing systems

Product* Description Product Data Key Properties
F

Viscosity (Pa.s @ 25°C)

Max Colour Molecular Weight (g/mol) Tg (°C) Elongation at Break (%) Young Modulus (MPa)
CN9001  Aliphatic UA 2  46 @ 60°C 1 Gd 2200 55 74 73

- good adhesion

- high flexibility

- excellent weathering resistance

CN9012   Aliphatic UA 2 12 @ 50°C  2 Gd 3000 NA 45 1172

- excellent adhesion

- high flexibility

- good hardness

- excellent weathering resistance

CN9143   Aromatic UA 2 32 @ 50°C  2 Gd 3800 25 74 14

- excellent adhesion

and flexibility

- good reactivity

CN9165A

 Aromatic UA 4 52  3 Gd 900 100 2 1300

- excellent reactivity and hardness 

CN9210

 

Aliphatic UA 6 2 @ 60°C 2 Gd 1500 120 3 1930

- very good adhesion

- excellent chemical and weathering resistance

- very high reactivity and hardness

CN9250A75 Aliphatic UA diluted with 25% of TPGDA 3 90 1 Gd 1350 55 15 970

- very good chemical resistance

- good flexibility

- high hardness

CN9276 Aliphatic UA 4 6 2 Gd 1800 90 0.5 1700

- very good adhesion

- excellent hardness and chemical resistance

- high weathering resistance

CN9301 Aliphatic UA 3 6 2 Gd 4000 42 0 995

- good adhesion

- excellent chemical and weathering resistance

- very high reactivity, hardness and flexibility

CN963B80 Aliphatic UA diluted with 20% of HDDA 2 3 @ 50°C 2 Gd 1150 70 3 1500

- very good adhesion

- excellent flexibility and hardness

- high weathering resistance

CN964A85 Aliphatic UA diluted with 15% of TPGDA 2 9 @ 50°C 100 Pt/Co 5500 45 45 330

- very good adhesion

- chemical resistance

- good hardness

- excellent flexibility

- high weathering resistance

CN965 Aliphatic UA 2 23 @ 50°C 1 Gd 1650 60 60 78

- very good adhesion

- excellent flexibility

- high weathering resistance

CN966H90 Aliphatic UA diluted with 10% of EOEOEA 2 26 @ 50°C 100 Pt/Co 5500 -35 130 2

- excellent adhesion and flexibility

- good weathering resistance

CN981 Aliphatic UA 2 24 @ 50°C 2 Gd 1850 35 75 920

- good adhesion

- very high flexibility

- high hardness and weathering resistance

CN991 Aliphatic UA 2 10 100 Pt/Co 1500 15 15 13

- good adhesion

- high flexibility

- excellent weathering resistance

CN996 Aliphatic UA 2 7 @ 60°C 100 Pt/Co 1800 20 55 21

- very good adhesion

- excellent flexibility

- high weathering resistance

CN998B80 Aliphatic UA diluted with 20% of HDDA 3 40 100 Pt/Co 2050 20 15 420

- very good adhesion

- excellent flexibility

- good hardness and weathering resistance

F : Functionality

Gd : Gardner scale

Pt/Co : Hazen scale

UA : Urethane Acrylate

 

* This table is focusing on Sartomer's range of performance urethane acrylates; more products recommendations are available on demand (ployester acrylates, epoxy acrylates, amine-modified acrylates and additives).

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