Wingstay L Phenol, 4-methyl-, reaction products with dicyclopentadiene & isobutylene 68610-51-5 Eliokem Antioxidants >> Phenolic Natural rubber (NR) ADHESIVE >> Solvent based Phenol, 4-methyl-, reaction products with dicyclopentadiene & isobutylene Butylated Reaction product of p-cresol and dicyclopentadiene. Polymeric hindered phenol . WINGSTAY® L is a polymeric, hindered phenolic, non-staining antioxidant. It is a light tan colored flake. Minimum staining and discoloring antioxidant for latex foams, carpet backing, coatings and waterborne adhesives. Stabilizer for hot melts. Polymeric, hindered phenolic, non-staining antioxidant used in waterborne adhesives. Stabilizer for hot melts.