Building material for interiors having odor elilinating property and interior structure of building using the same
AssigneesOtsuka Kagaku Kabushiki Kaisya, Yoshino Gypsum Co., Ltd.
InventorsYoshinobu Abe, Michio Nishi, Itaru Yokoyama
Life of this patent
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Abstract
High odor eliminating property is provided to a building material for interiors by compounding a hydrazide compound. Additionally, the odor eliminating property of the building material for interiors is improved and hygroscopicity and size stability at the time of use are provided by adding and compounding an organic carbide, an inorganic hygroscopic material, and a water repellent. Also, an interior structure in which these building materials for interiors are employed is provided.
Claims9
A gypsum board comprising a gypsum core containing gypsum and a base paper for gypsum board covering the gypsum core, wherein
- the base paper for gypsum board is a base paper for gypsum board having air permeability,
- at least one kind of hydrazide compound is compounded in at least one of the gypsum core and the base paper for gypsum board,
- a molecule of the at least one kind of hydrazide compound has at least one hydrazide group, and
- a content of the at least one kind of hydrazide compound is 0.01 part by weight or more and 10 parts by weight or less per 100 parts by weight of the gypsum.
Dependencies are inferred from the claim text.