To provide a sound-insulating or soundproof material with antifouling properties, wherein a photocatalytic layer of a titanium oxide is formed with good adhesion, without requiring high-temperature burning, deteriorating a base material, or damaging sound-insulating properties and soundproofness of a sound-insulating or soundproof base material, and to provide a sound-insulating or soundproof structure, and a sound-insulating or soundproof wall.
In this sound-insulating or soundproof material with the antifouling properties, an antifouling film is formed on a surface of the base material with sound-insulating properties and the soundproofness. The antifouling film is equipped with a primary coat including a peroxotitanic acid, and the photocatalytic layer which is formed on the primary coat and which includes a peroxotitanic acid and an anatase type titanium oxide.
TAKIZAWA TOSHIKI
MASHITA NARUHIKO
TAKAHASHI KAORU
WATANABE TOSHIYUKI
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