Oxygen Scavengers and Boiler Water Treatment Chemicals

摘要

The present invention relates to an oxygen scavenger comprising a heterocyclic compound having an N-N bond in its ring as an active ingredient. The oxygen scavenger is characterized in that the active ingredient comprises a heterocyclic compound having an N-substituted amino group. The oxygen scavenger includes a heterocyclic compound whose active ingredient is represented by Formula 1 and Formula 2:;(Wherein a and b are integers of 0 to 5 satisfying a relationship of 2 ≦ a + b ≧ 5).;The present invention also relates to an oxygen scavenger, characterized in that the active ingredient comprises azodicarbonamide. This oxygen scavenger is characterized by comprising a heterocyclic compound having an N-substituted amino group, or a salt thereof, and a hydroxybenzene derivative. These may further comprise neutral amines, alkaline preparations and / or water soluble polymers.