PROBLEM TO BE SOLVED: To provide calcium oxide powder in which particles are fine, and excellent in the adsorptivity of moisture and acid gas, and a method for producing the same.SOLUTION: Provided is a deodorizing/dehumidifying sheet 1 comprising: a gas-permeable sheet 3 having a storage part 3a at the inside and a moisture absorbent 9 included in the storage part 3a. The gas-permeable sheet 3 includes: a gas-permeable layer 11 made of a gas-permeable stock and performing permeation between the storage part and the outside and a deodorant layer 13 attached at the surface of the gas-permeable layer 11 and including a deodorant 15 essentially consisting of calcium hydroxide.SELECTED DRAWING: Figure 1COPYRIGHT: (C)2018,JPO&INPIT【課題】粒子が微小であり、水分及び酸性ガスの吸着性に優れた酸化カルシウム粉末及びその製造方法を提供する。【解決手段】内部に収容部3aを有する通気性シート3と、収容部3aに内包された吸湿剤9とを備える消臭除湿シート1であって、通気性シート3は、通気性素材からなり収容部と外部との間を通気する通気性層11と、この通気性層11の表面に付設され水酸化カルシウムを主成分とする消臭剤15を含む消臭層13と、を備えることを特徴とする。【選択図】図1
