Nouryon Trigonox EHP-W40S Bis(2-ethylhexyl) peroxydicarbonate 16111-62-9

Trigonox EHP-W40S

Bis(2-ethylhexyl) peroxydicarbonate

CAS Number: 16111-62-9

Physical form: flakes

Initiators for the (co)polymerization of vinyl chloride and vinylidene chloride.


Polymerization of vinyl chloride: emulsions and suspensions of peroxides are becoming more and more accepted in the market. Why use aqueous emulsions or suspensions? Safety reasons, no solvents: no contamination of the VCM recirculation stream, improved PVC purity, easy to use in "closed reactor technology" (pumpable) and easy to dilute with water. Trigonox® EHP-W40S can be diluted with water, provided that possible phase separation is prevented by stirring. Diluting Trigonox® EHP-W40S with water is the most elegant way to dissolve solids. The short-term stability or dilution of Trigonox® EHP-W40S is sufficient for short-term processing at temperatures up to 5°C. The dilution of Trigonox® EHP-W40S with water is the most elegant way to dissolve solids. Trigonox® EHP-W40S is used for suspension polymerization of vinyl chloride in the temperature range of 40-65°C. In practice, Trigonox® EHP-W40S is often used in combination with other peroxides to improve reactor efficiency.

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