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  2,2′-methylenebis(6-tert-butyl-4-methylphenol) monoacrylate, (also known under the trade names Sumilizer GM, BNX 3052, and Irganox 3052), is a heat and light stabilizer and an antioxidant used in a wide range of adhesive, plastic, and elastomer materials. Unlike traditional phenolic stabilizers/antioxidants, this substance is an effective alkyl radical scavenger. This property is especially useful in processes at high temperatures and in low oxygen environments, such as during the initial mixing of adhesives.
  The stabilizing mechanism involves trapping of polymer alkyl radicals at the double bond of the acrylate group, and subsequent hydrogen transfer from the intramolecular hydrogen-bonded phenolic hydroxyl group, which results in a stable phenoxyl radical. 2,2′-methylenebis(6-tert-butyl-4-methylphenol) monoacrylate may also be grafted using the acrylate moeity.;

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