Storage stability inhibitor - extends shelf life with minimum effects on gel time (unsaturated polyesters).
Eastman™ DTBHQ (2,5-ditert-butylhydroquinone) is a crystalline solid that has low vapor pressure and short induction periods in peroxide-catalyzed polymerizations. Insoluble in water and caustic solutions, used as an antioxidant or co-inhibitor to prevent oxidation and extend shelf life in many industrial applications.
Appearance: White to tan crystals
Flash point: 216°C (420°F)
Melting point: 215°C (419°F)
Boiling point: 321°C (610°F)
Specific gravity: 1.07
CAS: 88-58-4
Scavenges radicals slowly
Storage stability inhibitor with minimum effect in gel time
Stabilizes against odor and color development
Inferior Gelation Control in Unsaturated Polyester
Inadequate Storage Stability of Unsaturated Polyesters
Poor Antioxidant Performance in Rubber
Used as a stopping agent in rubber emulsions and anti-skinning agent in paints.
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