Building material and method for producing the same
A technology for building materials and substrates, applied in building thermal insulation materials, buildings, building components, etc., can solve problems such as deterioration of organic coatings, and achieve the effects of high durability, low production cost, and excellent durability.
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Embodiment approach 1
[0041] figure 1 It is an enlarged longitudinal sectional view of a part of Embodiment 1 of the building material of the present invention.
[0042]The building material 10 shown in the figure is formed by forming an ultraviolet protection layer 2 on the surface of a base material 1 as a whole, and the building material is supplied to roof materials, wall materials, decorative materials, etc. constituting buildings.
[0043] The ultraviolet protection layer 2 is constituted by arranging silicon dioxide particles 4 around zinc oxide particles 3 by intermolecular force as a whole, and the silicon dioxide particles 4 serve as a binder to bond the zinc oxide particles 3 to each other. , and the silicon dioxide particles 4 form hydrogen bonds with the substrate 1 to join the zinc oxide particles 3 and the substrate 1 .
[0044] Here, the base material 1 is composed of kiln industry-based wallboards with cement as the main component (wood fiber reinforced cement board, fiber reinfor...
Embodiment approach 2
[0057] figure 2 It is an enlarged longitudinal sectional view of a part of Embodiment 2 of the building material of the present invention.
[0058] With regard to the building material 20 shown in the figure, the sealing layer 5 as an adhesive layer is formed on the surface of the base material 1 as a whole, the colored layer 6 is formed on the surface of the sealing layer 5, and the light-resistant layer is formed on the surface of the colored layer 6. The transparent layer 7 is formed by forming the ultraviolet protection layer 2 on the surface of the transparent layer 7.
[0059] The sealing layer 5, the colored layer 6, and the transparent layer 7 all constitute an intermediate resin layer, and are formed of acrylic resin such as acrylic resin or acrylic silicone resin. As such an intermediate resin layer, in addition to acrylic resins and acrylic silicone resins, there are silicone resins, fluororesins, etc., because they have functional groups (carboxyl groups, carbony...
Embodiment 2
[0066] According to the same composition as in Example 1, a building material was produced, and the content of zinc oxide was set to 0.3g / m 2 .
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Abstract
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