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Emerald Polymer Additives expands antioxidant technology with addition of Good-Rite 3131

December 20, 2011

Emerald Polymer Additives, a division of Emerald Performance Materials, introduced Good-Rite 3131 to its portfolio of antioxidants for lubricants. The low-DPA-containing liquid antioxidant decreases extractables and volatility, thereby improving the antioxidant efficiency, scorch and long-term stability, and reducing discoloration in applications said the company.

“We continue to identify gaps in the market and expand our already diverse portfolio in order to meet the needs of changing technologies and stricter regulations,” said John Zuppo, general manager of lubricant and plastic antioxidant product lines for Emerald Polymer Additives. “Good-Rite 3131 offers the type of long-term thermal stabilization our customers need but with a low residual of diphenylamine. Used in conjunction with various hindered phenols, it has proven to effectively prevent discoloration, thermal degradation and oxidative degradation of polyurethane foam and actually results in a superior performance over many solids.”

Based on an octyl butylated diphenylamine chemistry, Good-Rite3131 is formulated to prevent discoloration/scorch by providing thermo-oxidative stabilization of polyols, elastomers and adhesives. As an easy-to-use liquid with low volatility, it offers high activity at low use-levels (less than 0.5 percent). Such attributes make it ideal for use in automotive, aviation and industrial applications specifically related to the use of flexible polyurethane foams, hot melt adhesives and high-performance gear oils.

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