Nouryon Trigonox A-W70 Thermoset tert-Butyl hydroperoxide, 70% solution in water

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Nouryon Trigonox A-W70 Thermoset tert-Butyl hydroperoxide, 70% solution in water
Categories:	Other Engineering Material
Material Notes:	Trigonox A-W70 is an initiator (70% active ingredient in water) used for curing promoted unsaturated polyester and vinylester resins at room temperature, and elevated cure of non-promoted resins. CAS number: 75-91-2 EINECS/ELINCS No: 200-915-7 Applications: Polymer produciton: Trigonox A-W70 can be used as an initiator in bulk, aqueous solution and emulsion polymerization of styrene, acrylates and methacrylates. The polymerization can be initiated by radicals generated by the thermal decomposition of Trigonox A-W70 above 110°C or through a redox mechanism at low temperatures. Effective organic reducing agents are ascorbic acid and sodium formaldehyde sulfoxylate, possibly combined with heavy metal compounds such as cobalt or iron salts. Thermoset: Trigonox A-W70 may be used as an initiator for the room temperature cure of promoted unsaturated polyester and vinyl ester resins, and elevated cure of non-promoted resins. Information provided by Nouryon
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