PROBLEM TO BE SOLVED: To provide a ventilation material used for an oxygen supply whitening product for improving operative temperature of a whitening gas inside, for increasing a whitening effect.SOLUTION: A ventilation material comprises a function unit 4 being formed of: an oxygen supply whitening unit which is covered with a packaging layer comprising holes for gas entry, and which generates a whitening gas and oxygen when encountering steam； and a heating unit for generating steam and heat energy for increasing temperature in an inner space in the packaging layer and improving speed for generating the whitening gas and oxygen of the oxygen supply whitening unit.SELECTED DRAWING: Figure 1COPYRIGHT: (C)2020,JPO&INPIT【課題】内部での美白気体の作用温度を向上させることで美白効果を上昇させる、酸素供給美白製品に用いる通気性材料の提供。【解決手段】気体の進出用穴を有する包装層で被覆され、水蒸気に遇うと、美白気体と酸素を生成する酸素供給美白ユニットと、水蒸気と熱エネルギーを生成することで、該包装層の内部空間の温度を上昇させ、該酸素供給美白ユニットの該美白気体と酸素を生成する速度を向上させる加熱ユニットとで構成した機能ユニット４を含む、ことを特徴とする通気性材料。【選択図】図１
