RESIN CONTAINING COMPOSITE TUNGSTEN OXIDE PARTICLE, DISPERSION LIQUID OF COMPOSITE TUNGSTEN OXIDE PARTICLE AND DISPERSION POWDER OF COMPOSITE TUNGSTEN OXIDE PARTICLE
To provide a resin containing composite tungsten oxide particles exhibiting excellent optical characteristics such that the resin has a high optical density (OD) with respect to near-infrared light at a wavelength of 800 to 1600 nm and that influences on eyes even by intense near infrared light such...
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Format: | Patent |
Sprache: | eng ; jpn |
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Zusammenfassung: | To provide a resin containing composite tungsten oxide particles exhibiting excellent optical characteristics such that the resin has a high optical density (OD) with respect to near-infrared light at a wavelength of 800 to 1600 nm and that influences on eyes even by intense near infrared light such as laser light can be significantly reduced, a near-infrared ray-shielding lens, near-infrared ray-shielding spectacles, a protection tool, a near-infrared ray-shielding window material, near-infrared ray-shielding fixtures and a near-infrared ray-shielding film or glass having a layer of the above resin, a dispersion liquid of composite tungsten oxide particles that can be used for the production of the above resin containing composite tungsten oxide particles, and a dispersion powder of composite tungsten oxide particles.SOLUTION: The resin containing composite tungsten oxide particles contains composite tungsten oxide particles containing at least one metal element selected from Cs, Rb, K, Tl, In, Ba, Li, Ca, Sr, Fe, Sn, Al, Cu, Na, dispersed in a resin; and the resin containing composite tungsten oxide particles has a value of optical density (OD) of 1.5 or more in a near-infrared ray region at a wavelength from 800 nm to 1600 nm.SELECTED DRAWING: None
【課題】可視光透過率を保ちながら、波長800〜1600nmの近赤外光に対して高い光学濃度(OD)を有し、レーザなどの強力な近赤外光であっても眼に対する影響を大幅に軽減することができるという優れた光学特性を発揮する複合タングステン酸化物粒子含有樹脂、当該樹脂の層を有する近赤外線遮蔽レンズ、近赤外線遮蔽眼鏡、保護具、近赤外線遮蔽窓材、近赤外線遮蔽器具、および、近赤外線遮蔽フィルムやガラス、前記複合タングステン酸化物粒子含有樹脂の製造に用いることのできる複合タングステン酸化物粒子分散液、および複合タングステン酸化物粒子分散粉を提供することである。【解決手段】Cs、Rb、K、Tl、In、Ba、Li、Ca、Sr、Fe、Sn、Al、Cu、Naから選択される1種類以上の金属元素を含む複合タングステン酸化物粒子が、樹脂中に分散している複合タングステン酸化物粒子含有樹脂であって、波長800nmから1600nmの近赤外線領域における光学濃度(OD)の値が1.5以上であることを特徴とする複合タングステン酸化物粒子含有樹脂を提供する。【選択図】なし |
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