Trigonox 21-C50

Back to search

Organic peroxide

Organic peroxide

Initiator for polymerization of (meth)acrylates and ethylene. Initiator used for curing unsaturated polyester, vinylester and acrylic thermosetting resins.

  • Product name

    Trigonox 21-C50
  • Chemical family

    Organic peroxide
  • CAS number

    3006-82-4
  • Physical form

    Liquid
  • Regional availability

    Asia, Asia Pacific, China, Latin America, North America
  • Chemical name

    tert-Butyl peroxy-2-ethylhexanoate
  • Molecular Weight

    216.3
  • Applications

    For Polymer Production/Poly(meth)acrylics: Polymerization of ethylene: Trigonox 21-C50 is an efficient initiator for the production of Low Density Polyethylene (LDPE). It is used both for tubular and autoclave processes. In most cases a combination with other peroxides is used to ensure a broad reactivity range. Polymerization of styrene: In suspension polymerization processes, Trigonox 21-C50 can be used for the polymerization of styrene at approximately 90°C. Trigonox 21-C50 has an activity comparable with dibenzoyl peroxide (Perkadox L-W75). Typically, Trigonox 21-C50 is used in combination with initiators such as tert-Butyl peroxybenzoate (Trigonox C). Polymerization of acrylates and methacrylates: Trigonox 21-C50 is an efficient initiator for the solution (co)polymerization of acrylates and methacrylates in the temperature range of 65-100°C, amongst others for the manufacture of coatings. Trigonox 21-C50 can also be applied as an initiator for the bulk and suspension (co)polymerization of acrylates and methacrylates. For Thermoset: Trigonox 21-C50 is a suitable initiator for the curing of unsaturated polyester, vinyl ester and acrylic thermosetting resins in the temperature range of 100 - 140 °C (212 - 284 °F). Trigonox 21-C50 is the classic intermediate initiator for pultrusion applications, and also finds wide use in molding compounds and cured-in-place pipe systems. The activation temperature of Trigonox 21-C50 can be lowered by the use of metal salts such as cobalt octoate.

Market Segments

Thermoset composites

Detailed description

Initiator (50% active ingredient in odorless mineral spirits) used for curing unsaturated polyester, vinylester and acrylic thermosetting resins in the temperature range of 100-140°C.

Functions

  • Curing agent

Downloads

Polymer production

Detailed description

Initiator (50% active ingredient in odorless mineral spirits) for (co)polymerization of ethylene.

Functions

  • Polymerization initiator

Applications

  • LDPE

Downloads

Acrylics production

Detailed description

Commonly preferred perester solution for curing unsaturated polyester resins at elevated temperatures.

Functions

  • Curing agent

Applications

  • Hot press molding,
  • Pultrusion,
  • CIPP,
  • BMC,
  • SMC

Downloads