solar reflector
A reflective plate and sunlight technology, applied in optics, optical components, sputtering coating, etc., to achieve the effect of excellent sand resistance and weather resistance, and excellent reflectivity
Active Publication Date: 2017-10-24
JFE STEEL CORP
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- Abstract
- Description
- Claims
- Application Information
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Problems solved by technology
[0003] When a metal film is deposited on the surface of a glass substrate, high reflectivity can be obtained, but when used as a reflector for solar power generation (sunlight reflector), it must be used outdoors, so it has sand resistance and weather resistance , impact resistance, lightweight and many other issues
Method used
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Examples
Experimental program
Comparison scheme
Effect test
Embodiment 1～71、 comparative example 1～16
[0107] For the substrates shown in Tables 1 to 3 below, the base layer, reflective layer, intermediate layer, and protective layer shown in Tables 1 to 3 below were formed by the method shown below to produce a solar reflection plate.
[0108] In addition, the place shown with "-" in following Table 1 - Table 3 shows that this item is not set (unprocessed). In addition, the substrates shown in the following Tables 1 to 3 can specifically use the following substrates. When any of stainless steel sheets, cold-rolled steel sheets, hot-dip galvanized steel sheets, and electro-galvanized steel sheets are used as the substrate, The surface of the substrate on which the reflective layer is formed is subjected to skin pass processing.
[0109] (substrate)
[0110] ·Stainless steel plate: SUS430 (plate thickness 0.1mm)
[0111] ·Cold-rolled steel plate: SPCC (thickness 0.35mm)
[0112] ·Plastic substrate: Vinyl chloride (thickness 5mm)
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Abstract
An object of the present invention is to provide a solar reflection sheet that maintains excellent reflectance of the reflective layer and is excellent in sand resistance and weather resistance. The solar reflection plate of the present invention has a substrate, a reflective layer provided on the above-mentioned substrate, and a protective layer provided on the above-mentioned reflective layer, wherein the above-mentioned protective layer contains silicon and organic substances, and contains 10 to 60 Mass % of silicon, the average number of oxygen chemically bonded to silicon is 1.5 to 3.2.
Description
technical field [0001] The present invention relates to solar reflectors suitable for solar power generation. Background technique [0002] Conventionally, as an optical mirror, a metal thin film such as aluminum or silver deposited on the surface or back surface of a glass substrate having excellent smoothness has been used. [0003] When a metal film is deposited on the surface of a glass substrate, high reflectivity can be obtained, but when used as a reflector for solar power generation (sunlight reflector), it must be used outdoors, so it has sand resistance and weather resistance , impact resistance, lightweight and many other issues. [0004] In view of the above-mentioned problems, for example, Patent Document 1 proposes the following proposal: a reflective heat collecting plate is provided with a reflective metal (aluminum, silver, etc.) evaporated film on the surface of a metal plate (aluminum, stainless steel, etc.), and the Transparent inorganic substances (SiO...
Claims
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IPC IPC(8): G02B5/08C23C14/06
CPCG02B5/0808B32B15/08B32B15/09B32B15/18B32B2255/06B32B2255/10B32B2255/205B32B2255/26B32B2255/28B32B2307/416B32B2307/712B32B2457/12C09D183/08C08G77/14C08G77/26G02B1/14G02B1/10
Inventor 佐志一道大重贵彦石川伸坂本义仁洼田隆广
Owner JFE STEEL CORP