Extending polymer service life for a sustainable future

by SpecialChem

Trigonox® 21-C50

Technical Datasheet | Supplied by Nouryon

Trigonox® 21-C50 by Nouryon is an initiator (50% active ingredient in odorless mineral spirits) for bulk and suspension (co)polymerization polymerization of (meth)acrylates and ethylene in the temperature range of 65-100°C. It can be used for the suspension polymerization of styrene at approximately 90°C. It is used in combination with initiators such as tert-butyl peroxybenzoate (Trigonox® C). Trigonox® 21-C50 is used for curing of unsaturated polyester, vinyl ester and acrylic thermosetting resins in the temperature range of 100-140°C. It is suitable for pultrusion, hot press molding applications, CIPP, BMC, SMC, molding compounds and cured-in-place pipe systems. The shelf life of this product is 3 months.

Compatiblity with other products

Find products that are predicted to be compatible with Trigonox® 21-C50.

This list of compatible products is generated out of estimated HSP values. A practical determination of these HSP values would provide higher certainty.
Learn more about Hansen Solubility Parameters (HSP) and their use in predictive formulation.

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Compatible Products Based on HSP Distance

HSP distance provides an indication of compatibility. It is based upon the “like seeks like” principle. The smaller the distance between ingredients, the more compatible they are predicted to be.

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