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Inorganic paint composition

A technology of inorganic coatings and compositions, which can be applied in the directions of alkali metal silicate coatings, coatings, and heat-collecting element reinforcement, and can solve problems such as insufficient light transmittance

Inactive Publication Date: 2008-04-30
和幸株式会社
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

Therefore, it is not suitable as a material that expresses its characteristics by receiving light, such as solar panels for solar power generator systems, and as a material that expresses its characteristics by reflecting light, such as surface protection films for mirrors
[0007] On the other hand, since natural materials such as kaolin, talc, and bentonite are added as fillers in the inorganic coating compositions suggested by other inventors in order to improve the firmness of the coating, their light transmittance is insufficient.

Method used

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Embodiment Construction

[0012] Embodiments of the present invention will be described below.

[0013] The inorganic coating composition of the present invention is prepared by adding borate to alkali metal silicate, and mixing thereto flaky metamorphic transparent silica having a thickness of 0.01 to 0.5 microns and a surface diameter of 2 to 5 microns.

[0014] Titanium dioxide fine particles may be mixed with the above composition.

[0015] Alkali metal silicates are silicates such as lithium silicate, sodium silicate and potassium silicate, and are solidified by a syneresis reaction and gelled by adding borates as described below.

[0016] Examples of borates include magnesium borate, calcium borate, barium borate, strontium borate, zinc borate, and aluminum borate. These borates can be used alone or as a mixture.

[0017] An example of a silicate having the above-mentioned properties is commercially available Sun LovelyLFS (trade name, produced by Asahi Glass Co., Ltd.), which is sold as a slur...

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Abstract

The invention provides a transparent and tenacious coating film using an inorganic paint composition prepared by adding a borate salt into an alkali metal silicate, and further mixing thereto lepidoblastic transparent silica with a thickness of 0.01 to 0.5 mum and a surface diameter of 2 to 5 mum. The alkali metal silicate is solidified with metal ions issued from the borate salt to form a coating film, which contains a glass formed by solidifying dissolved boric acid in the coating film. The coating film can be made tenacious without impairing transparency by dispersing many flakes of transparent silica as laminated layers.

Description

technical field [0001] The present invention relates to articles that exhibit their characteristics by receiving or reflecting light, and in particular to inorganic coating compositions for protecting the surfaces of solar panels of solar power generator systems and mirrors enabling transparent and robust coating films. Background technique [0002] A number of inorganic coating compositions using alkali metal silicates as binders have been proposed. [0003] However, most of the resulting coating films are brittle, and when the coated object expands and contracts due to temperature changes, fine lines are generated due to distortion, thereby weakening the atmospheric corrosion resistance and pollution resistance of the coating. performance. [0004] Therefore, the inventors of the present invention have invented an inorganic coating composition by adding polyvalent metal-containing curing agents such as calcium silicate and zinc phosphate to alkali metal silicates, and add...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C09D1/02F24J2/48C09D5/00C09D7/12
CPCC09D1/02F24J2002/4656F24S2080/09
Inventor 山田一哉山田幸司
Owner 和幸株式会社
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