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    • 5. 发明申请
    • 光触媒膜形成用組成物および光触媒膜付き基材
    • 用于形成光催化膜的组合物和用光催化膜提供的底物
    • WO2003068871A1
    • 2003-08-21
    • PCT/JP2003/001508
    • 2003-02-13
    • 旭硝子株式会社米田 貴重真田 恭宏宮本 真奈美加藤 朱美
    • 米田 貴重真田 恭宏宮本 真奈美加藤 朱美
    • C09D5/16
    • C09D183/02C09D1/02
    • It is intended to provide compositions for forming a photocatalytic film whereby an excellent hydrophilic nature can be imparted to the surface of a substrate, in particular, compositions for forming a photocatalytic film whereby a photocatalytic film having an excellent effect of decomposing stains and a highly hydrophilic durability can be formed. It is also intended to provide a substrate provided with a photocatalytic film having an excellent hydrophilic nature. These compositions for forming a photocatalytic film comprise as the essential components a photocatalyst (titanium oxide, etc.), a specific silica precursor (a silicic acid compound containing from 0.001 to 1 part by mass of an alkali metal ion per 100 parts by mass of silicic acid, for example, sodium silicate wherein the sodium ion content has been lowered with the use of an ionic exchange resin) and a vehicle.
    • 旨在提供用于形成光催化膜的组合物,由此可以赋予基材表面优异的亲水性,特别是用于形成光催化膜的组合物,由此具有优异的分解污渍和高亲水性的效果的光催化膜 可以形成耐久性。 还提供具有亲水性优异的光催化膜的基板。 用于形成光催化膜的这些组合物包含光催化剂(氧化钛等)作为必要成分,特定的二氧化硅前体(每100质量份碱金属离子含有0.001〜1质量份碱金属离子的硅酸化合物 硅酸,例如其中钠离子含量已经使用离子交换树脂降低的硅酸钠)和载体。