Trigonox 44K

Product Line Organic peroxides

Trigonox® 44K is an acetylacetone peroxide and tert-butyl peroxybenzoate, in solvent mixture.

  • Brand

  • Chemical family

    Organic peroxide
  • CAS number

    37187-22-7; 614-45-9
  • Physical form

  • Regional availability

    Latin America, North America
  • Chemical name

    Acetylacetone peroxide and tert-butyl peroxybenzoate, in solvent mixture
  • Molecular drawing

    Organic peroxide
  • Applications

    Trigonox® 44K is a phthalate-free blended initiator used for the curing of unsaturated polyester and acrylic thermoset resins at ambient conditions in conjunction with metal salts. Trigonox® 44K provides for effective through-cure and lower residual monomer contents in applications such as panels and laminates. Additional end-use information is available in various application guides or directly from Nouryon representative.

Market Segments

Thermoset composites

Detailed description

Trigonox® 44K is a highly reactive & efficient cure system for ambient to elevated temperature curing of promoted unsaturated polyester and acrylic modified thermoset resins. Phthalate-free initiator blend used to drive fast and complete cure where fast exotherm can be accepted.


  • Curing agent


  • Continuous Laminating,
  • Highly filled cast polymer,
  • Panels
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Get in touch!

For more information about Trigonox 44K, please contact our technical experts. We look forward to hearing from you.

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