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TiO2 Material and the Coating Methods Thereof新型氧化鈦材料及其塗層制備方法

总结: Conventional titanium dioxide (TiO2) coating is prone to scratches and is easy to delaminate through long time application, resulting in frequent needs for replacements. This is due to the fact that the TiO2 coating is often consisted of large aggregated particles with poor adhesion.

The present invention introduces a photocatalytic material that can convert VOC under ambient temperature. The nanostructured catalysts can be coated as an ultra-thin and scratching-proof layer. It can prevent the nanometer sized TiO2 particle from aggregation during coating. Thus, TiO2 scratching proof layer can be successfully prepared. The coating has a higher VOC degradation and germicidal properties as well.

The resulting catalysts can be used in a variety of applications, including but not only limited to air purifier and air handling appliances such as air conditioner and air exhaust.

技术优势: 1. Scratching-proof coating
2. Resistant to delamination
3. Low cost for productisation

技术应用: - Air purifier
- Air handling appliances such as air conditioner and air exhaust

附加资料: Patent Number: US7144840B2
Application Number: US2004898118A
Inventor: Yeung, King Lun | Yao, Nan
Priority Date: 22 Jul 2004
Priority Number: US7144840B2
Application Date: 22 Jul 2004
Publication Date: 5 Dec 2006
IPC Current: B01J002300 | A62D000300 | B01J003100 | C01G0023053 | C09C000136 | C09C000300 | C09C000304 | C09D000100 | C23C002408 | C23C002600
US Class: 502350 | 502150 | 423610 | 423612 | 516078 | 516090 | 1062864 | 10628719 | 106436 | 106437 | 106447 | 20415743 | 20415751
Assignee Applicant: The Hong Kong University of Science & Technology
Title: TiO2 material and the coating methods thereof
Usefulness: TiO2 material and the coating methods thereof
Summary: As photocatalytic coating material, for air-purification purpose.
Novelty: Photocatalytic oxidation material useful as photocatalytic coating material comprises titanium dioxide having specific crystal size and crystallinity, polyethylene glycol as a dispersant, and water in a specific amounts

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