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1. 发明专利

JP2003226842A PHOTOCATALYTIC COATING AGENT 审中-公开
公开(公告)号：JP2003226842A
公开(公告)日：2003-08-15
申请号：JP2002026142
申请日：2002-02-01
申请人： TOTO LTD
发明人： MIYAUCHI MASAHIRO , IKEZAWA AYAKO
IPC分类号： B01D53/86 , B01J27/24 , B01J35/02 , C09D5/00 , C09D7/12 , C09D183/04 , C09D201/00
摘要： PROBLEM TO BE SOLVED: To obtain a photocatalytic coating agent having high chemical stability even in a neutral condition, and exerting substantial antimisting and antifouling effects even if used indoors. SOLUTION: This photocatalytic coating agent contains a titanium oxide. Oxygen defects are present in the titanium oxide. A dispersion medium for this coating agent consists of an aqueous solvent. It is preferable that the pH of the dispersion medium is 5-9. COPYRIGHT: (C)2003,JPO

2. 发明专利

JP2004105904A Method for decomposition of basic substance by photocatalyst and photocatalyst used for the decomposition 审中-公开
公开(公告)号：JP2004105904A
公开(公告)日：2004-04-08
申请号：JP2002274849
申请日：2002-09-20
申请人： Toto Ltd , 東陶機器株式会社
发明人： IKEZAWA AYAKO , MIYAUCHI MASAHIRO , KAMESHIMA JUNJI , SHIMAI AKIRA
IPC分类号： B01D53/86 , B01J27/24 , B01J35/02
摘要： PROBLEM TO BE SOLVED: To provide a method for decomposition of a basic substance which improves adsorptive ability for the basic substance and decomposes the basic substance by efficiently adsorbing it, and a photocatalyst used therefor. SOLUTION: The method for decomposing the basic substance with the photocatalyst is characterized by using the photocatalyst reducing the pH of the isoelectric point by doping nitrogen, and also is provided the photocatalyst for decomposing the basic substance reducing the pH of the isoelectric point by doping nitrogen to an oxide photo-semiconductor. COPYRIGHT: (C)2004,JPO

3. 发明专利

JP2003226825A PHOTOCATALYTIC COATING AGENT 审中-公开
公开(公告)号：JP2003226825A
公开(公告)日：2003-08-15
申请号：JP2002026141
申请日：2002-02-01
申请人： TOTO LTD
发明人： MIYAUCHI MASAHIRO , IKEZAWA AYAKO
IPC分类号： B01J21/06 , B01J35/02 , C09D1/00 , C09D5/00 , C09D5/02 , C09D7/12 , C09D127/12 , C09D183/04 , C09D201/00
摘要： PROBLEM TO BE SOLVED: To obtain a photocatalytic coating agent having high chemical stability even in neutrality and a photocatalytic coating agent which exhibits practical antifogging and antifouling properties even in a room. SOLUTION: The photocatalytic coating agent contains titanium oxide in which an oxygen position in the titanium oxygen crystal is replaced with an anion except oxygen, the anion except oxygen is introduced between lattices or the anion except oxygen is placed in a grain boundary part. A dispersion medium of the photocatalytic coating agent is composed of an aqueous solvent. COPYRIGHT: (C)2003,JPO

4. 发明专利

JP2002069361A AQUEOUS COATING COMPOSITION, PHOTOCATALYTIC AQUEOUS COATING COMPOSITION AND PHOTOCATALYTIC HYDROPHILIC MEMBER COATED WITH THE PHOTOCATALYTIC AQUEOUS COATING COMPOSITION 失效
公开(公告)号：JP2002069361A
公开(公告)日：2002-03-08
申请号：JP2000255770
申请日：2000-08-25
申请人： TOTO LTD
发明人： SHIMOBUKIKOSHI MITSUHIDE , TAKAHASHI KAZUO , SENGOKU MAKOTO , IKEZAWA AYAKO , SHIMAI AKIRA , YAMAMOTO MASAHIRO
IPC分类号： B05D5/00 , B32B27/00 , B32B27/18 , B32B27/30 , C09D1/04 , C09D5/00 , C09D5/02 , C09D133/00 , C09D183/04 , C09K3/00 , C09K3/18
摘要： PROBLEM TO BE SOLVED: To provide an aqueous coating composition capable of forming coating film free from the occurrence of cracks even with an increased thickness and hardly peeling from a base material. SOLUTION: The composition comprises an alkali metal silicate which has been neutralized through ion exchanging to increase the molecular weight, an acrylic silicone, a film-forming supplementary agent and optionally a photocatalyst.

5. 发明专利

JP2003116689A ANTI-FOGGING MIRROR AND METHOD OF MANUFACTURING THE SAME 审中-公开
公开(公告)号：JP2003116689A
公开(公告)日：2003-04-22
申请号：JP2001320696
申请日：2001-10-18
申请人： TOTO LTD
发明人： IKEZAWA AYAKO , MIYAUCHI MASAHIRO , SHIMOBUKIKOSHI MITSUHIDE
IPC分类号： A47G1/00 , C03C17/245
摘要： PROBLEM TO BE SOLVED: To provide an anti-fogging mirror which is capable of preventing fogging by very small water droplets in the process of dew condensation and exhibiting a high anti-fogging performance for a long period time. SOLUTION: This anti-fogging mirror is an anti-fogging mirror formed with a reflecting mirror on the rear surface of a transparent glass base material, formed with a resin film so as to cover this reflecting mirror and formed with a film having crystalline SnO2 on the surface of the transparent glass base material, in which the film containing the crystalline SnO2 consists of a plurality of columnar materials growing in a direction perpendicular to the mirror and having projecting-shape surfaces projected with the end faces of the growth direction toward their circumferences; fine unevenness is formed on the projecting-shape surfaces; the average value r of the sizes of the fine unevenness is 5 to 100 nm; elongated clearances are formed between a plurality of the columnar materials adjacent to each other; and the width d of the clearances is shorter than the length in the horizontal direction of the columnar materials adjacent to each other.

6. 发明专利

JP2003103687A ANTI-FOGGING MATERIAL 审中-公开
公开(公告)号：JP2003103687A
公开(公告)日：2003-04-09
申请号：JP2001303647
申请日：2001-09-28
申请人： TOTO LTD
发明人： IKEZAWA AYAKO , MIYAUCHI MASAHIRO , SHIMOBUKIKOSHI MITSUHIDE
IPC分类号： B32B9/00 , B01J23/14 , B01J35/02 , C23C14/08
摘要： PROBLEM TO BE SOLVED: To provide an anti-fogging material preventing even the fogging due to minute waterdrops in a dew condensation process and capable of developing high-degree anti-fogging capacity over a long period of time. SOLUTION: In the anti-fogging material comprising a substrate and the crystalline SnO2 -containing film formed on the surface of the substrate, the crystalline SnO2 -containing film grows in the direction vertical to the substrate and the end surface in the growing direction of the film comprises a plurality of columnar matters forming a protruded surface protruded to the periphery thereof, and fine recessed and protruded parts are formed on the protruded surface. The average value of the sizes of the fine recessed and protruded parts is 5-100 nm and an elongated groove is formed between a plurality of the adjacent columnar matters and the width of the gap is less than the length in the horizontal direction of the adjacent columnar matters.

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