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Coatings and adhesives

Solutions for UV/LED/EB cured coatings

Energy cured systems often over performed traditional coatings in many applications. With Sartomer specialty acrylates, formulators can develop innovative and customized solutions for the various market needs:

 

 

and achieve advanced properties in cosmetic, automotive, electronic and industrial applications.

Our experts address your needs with our full range of monomers and oligomers to give the best performances to your formulations.

Our recommendations for ADHESION

        Adhesion on  
Chemical family Product F* Viscosity (mPa.s @25°C) Metal coating Plastic coating Wood coating Comments

 

 

 

 

 

 

 

 

 

 

Monomers       

SR285 1 6 XX XXX    High solvency
SR531 1 13 XXX XX   Low odour, excellent balance of mechanical properties
SR339C 1 11   XXX XX High solvency, low shrinkage
SR506D 1 10 XXX X   High Tg and flexibility  
SR341 2 6 XX XXX XX Low viscosity, good cutting power and weatherability
SR833S 2 140   XX    Low shrinkage, high Tg, good pigment wetting properties
SR9003 2 15   X  X  Excellent wetting properties, good solvency, low skin irritation, good flexibility and chemical resistance

 

Adhesion promoters  

SR9050 1 23 XX XX XX  Acidic adhesion promotor
SR9051P 3 250 XX XX  XXX  Acidic adhesion promotor
SR9054 1-2 2,000 XXX XX  X  Acidic adhesion promotor

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 Oligomers     

CN704 2 2,000 @75°C XXX XXX    High flexibility, elasticity and tack
CN736 2 2,000 @60°C X XXX   Excellent adhesion to various plastics
CN820 2 3,000 @60°C  XXX XXX X  Good adhesion to difficult substrates
CN9001 2 46,000 @60°C  XXX XXX   High flexibility and low shrinkage
CN965 2 23,000 @50°C XXX XX    Low shrinkage
 CN925 4  2,500 XXX XX   High reactivity, hardness and low viscosity 
 CN998B80 3 40,000    XXX   PVC
CN2565 2 300   XX   Polyolefin
CN2608A  2 1,500 @50°C XXX X X Acidic functionalities
CN2610  2  25,000 X XX XXX Very good adhesion to melamine
SB400 8 12,000  XXX      Acidic functionalities
CN2003EU 2 4,000 @60°C XX XX X  Good flexibility and toughness
CN UVE150/80 2 40,000 XX XX X Humidity resistance

 

F*=functionality

Our recommendations for MECHANICAL PERFORMANCE

  Product F* Viscosity (mPa.s @25°C)
Tg (°C)
Elongation at break (%)
Young modulus (MPa) Comments

 

 

 

 

 

 Hardness  

CN9210 6 2,000 @60°C  120 3 1,930 Good hardness, non yellowing, good chemical resistance 
CN9165A 4 52,000 100 2 1,300  Excellent reactivity, good scratch resistance, excellent stain resistance
SR833S 2 140  185     Low shrinkage, high Tg, good pigment wetting properties, excellent balance between flexibility and surface hardness 

 

 

 

 

 Flexibility  

CN9001 2 46,000 @60°C 55 74 73 High flexibility and low shrinkage 
CN9143 2 32,000 @50°C 25 74 14 Excellent toughness, good water resistance
SR256 1 5  -54      Very good solvency, low Tg, good adhesion to plastic and to difficult substrates like ABS, PMMA and polyolefines

 

 

Best compromise hardness/flexibility 

CN981 2 24,000 @50°C  35 75 920 Good abrasion, good impact resistance 
SR506D 1 10  85     High Tg, excellent adhesion properties on various substrates : plastic, polyolefines, wood and metal  

 

F*=functionality

Our recommendations for ABRASION RESISTANCE

Product F* Viscosity (mPa.s @25°C) Comments
CN9210 6 2,000 @60°C  Good hardness, non yellowing, good chemical resistance
CN9215 6 35,000 @50°C Good reactivity, good chemical resistance, non yellowing, good hardness
CN2634 3 4,800 Excellent flexibility, low viscosity
SR595 2 10 High hydrophobicity, good flexibility
SR833S 2 140  Low shrinkage, high Tg, good pigment wetting properties, excellent balance between flexibility and surface hardness
SR355 4 700 Highly functional monomer, very good chemical resistance, good adhesion
SR368 3 wax High Tg, very good heat resistance, good adhesion to several substrates

 

F*=functionality

Our recommendations for WEATHERABILITY

Selection Functionality Tg (°C)
Gloss retention (%)
Delta yellow index
CN9001 2 55 85 -3,1
CN981 2 35 97 -2,1
CN991 2 15 97,5 -1,05
SR531 1 10 100 -0,73
SR595 2 90 97 -1,2
SR833S 2 185 81 0,45

Florida (USA) exposure: Inland, facing south, 5° angle - Substrate: cold roll steel with E.coat/primer and white automotive basecoat
Solvent free clearcoat: 50% oligomers + 50% monomers + 3% TPO-L - Film thickness: 35-45 μm
Curing conditions: 4,5 J/cm2 with Heraeus lamps - bulbs V and H - under nitrogen

Our recommendations for field applied, PVC topcoat and concrete

CN2634
  •  low viscosity
  •  excellent abrasion resistance
  •  high elongation
CN9001
  • very good outdoor resistance
  • good adhesion
SR295
  • good adhesion
  • high reactivity
SR833S
  • excellent scratch and chemical resistance
  • good stiffness
SR9003
  • high pigment/fillers wetting

 

 

Solutions for UV/LED/EB cured adhesives

Formulate UV/LED/EB cured adhesive systems with Sartomer specialty acrylates and methacrylates:

 

  • Laminated adhesives
  • Light optical clear adhesives (LOCA)
  • Pressure sensitive adhesives (PSA)

 

Energy cured adhesives can be formulated with a wide range of functionalities and different acrylate chemistries to achieve advanced properties.

Specialty monomers and oligomers for the UV coatings and adhesives industry

At Sartomer we have a strong technical expertise to support your development, please contact us to discuss the best solution for your formulation.

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