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India: Phenolic Antioxidants

Songwon Starts Production at Indian Panoli Plant

| Editor: Alexander Stark

Songwon starts production of Songnox 5650 at its plant in India.
Songwon starts production of Songnox 5650 at its plant in India. (Source: Songwon Industrial)

Speciality chemicals producer Songwon has started production of its Songnox multifunctional phenolic antioxidant at its Panoli plant in Gujarat, India. The Panoli site was acquired from Sequent in 2014. In the last three years, the company has invested in the Panoli site to develop it into a hub for specialty chemicals, including Songnox.

Ulsan/South Korea — Songnox is a high molecular weight, multifunctional phenolic antioxidant primarily used as a post-polymerization process stabilizer for unsaturated elastomers. Phenolic antioxidants are highly effective, non-discoloring stabilizers for organic substrates that are prone to oxidation, including plastics, synthetic fibers, elastomers and waxes. They act as free radical scavengers, and are mainly used to protect the finished product.

Thomas Schmutz, Leader Technical Service & Application Development, said that their product can match the performance of stabilizers that have to be used in much larger amounts and as a result of its very low volatility, there was virtually no product loss during polymer processing, drying or storage.

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The non-staining antioxidant is suitable for a variety of elastomers, including polybutadiene, polyisoprene, emulsion styrene butadiene, nitrile rubber, carboxylated styrene-butadiene-rubber latex and styrene copolymers, the company claims. It can also be used in hot melt, solvent-based adhesives as well as natural and synthetic tackifier resins. Songnox 5650 has broad food contact approval, making it suitable for pressure sensitive adhesives. Besides high protection against oxidation, it provides good long term thermal stability, the manufacturer announced.

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