Near-infrared-shielding material
AssigneeNippon Sheet Glass Co., Ltd.
InventorsHaruko Horiguchi, Shinya Katagiri
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Abstract
A new material efficiently attenuating transmission of near-infrared light is provided. A provided near-infrared-shielding material includes a plurality of flaky particles, wherein each of the plurality of flaky particles includes a flaky substrate and a single-layer film formed on a principal surface of the flaky substrate, and the near-infrared-shielding material has a light reflectance of 40% or more between wavelengths of 800 nm and 1400 nm. The flaky substrate is, for example, a glass flake. The glass flake has an average thickness of, for example, 0.6 μm or less. The single-layer film includes, for example, titanium oxide and has an average thickness of, for example, 80 nm to 165 nm.
Claims16
A near-infrared-shielding material comprising a plurality of flaky particles, wherein
- each of the plurality of flaky particles comprises a flaky substrate and a single-layer film formed on a principal surface of the flaky substrate,
- each of the plurality of flaky particles does not include a metal particle or a non-metal particle attached to an interface between the flaky substrate and the single-layer film and to a surface of the single-layer film,
- the flaky substrate has an average thickness of 0.1 μm to 0.6 μm, and
- the flaky substrate is a glass flake,
- the single-layer film comprises titanium oxide,
- the single-layer film has an average thickness of 95 nm to 140 nm, and
- the near-infrared-shielding material has a light reflectance of 40% or more between wavelengths of 800 nm and 1400 nm.
A near-infrared-shielding material comprising a plurality of flaky particles, wherein
- each of the plurality of flaky particles comprises a flaky substrate and a single-layer film formed on a principal surface of the flaky substrate,
- each of the plurality of flaky particles does not include a metal particle or a non-metal particle attached to an interface between the flaky substrate and the single-layer film and to a surface of the single-layer film,
- the flaky substrate is a glass flake,
- the glass flake has an average thickness of 0.6 μm or less,
- the single-layer film comprises titanium oxide, and
- the single-layer film has an average thickness of 95 nm to 140 nm.
Dependencies are inferred from the claim text.