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Sarbox® and other adhesion promoters

Product range

Sartomer offers Sarbox® specialty oligomers in the form of aromatic acid methacrylate half ester and aromatic acid acrylate half ester blends in solvent or monomer. They offer improved performance in many applications. Potential application areas include: electronics, plate and etch resists, solder masks, coatings, inks, adhesives, and plastisols.


These oligomers have a high degree of carboxyl, anhydride, and ester-reactive functional groups that provide versatility in curing. They can be cured by UV/EB, peroxide, and a combination of methods resulting in a “dual” cure or “hybrid” cure system. The high acid content of these oligomers promotes alkali solubility and adhesion. The oligomers are blended with either a solvent or monomer to provide a broad range of viscosities, physical properties, and cure performance.

Product codeChemical nameFunctionalityProduct description
SB400 Aromatic Acid Methacrylate Half Ester In Pm Alcohol Solvent High functional SB400 is a highly functional, carboxylic acid and anhydride containing methacrylate oligomer, blended in 2-methoxy propanol (PM alcohol) solvent. It offers fast cure speed and excellent copper adhesion. SB400 has a high acid number for alkali strippability.
SB510E35 Aromatic Acid Methacrylate Half Ester In SR454 High functional SB510E35 is a moderately functional, carboxylic acid and anhydride containing methacrylate oligomer blended in SR454, ethoxylated trimethylolpropane triacrylate monomer. It offers excellent cure speed, excellent adhesion to metal and plastics, good wetting and flow characteristics.

Geographic availability



  • Automotive and transportation
    • Adhesives and sealants
    • Coatings
  • Consumer goods
    • Cosmetics
  • Electronics and electrical
    • Adhesives and sealants
    • Electronics
  • Packaging and Paper
    • Coatings
    • Inks
    • Paper
  • Paint, coatings and adhesives
    • Adhesives
    • Coatings
    • Electronics
    • Inks


  • Adhesives
  • Coating
  • Electronics
  • Etch resists
  • Inks
  • Metal coating
  • Paper coatings
  • Plastic coatings
  • Wood coatings
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