PROBLEM TO BE SOLVED: To provide a dark greenish gray low-transmissive glass composition which satisfies sight line blocking performance, has low solar energy transmittance (T) and ultraviolet ray transmittance (T) and reduces a cooling load by transportation means, a building or the like, protects an interior material and a person from ultraviolet rays, and has a color space coordinate of a transparent color that reduces asthenopia and provides psychological stable feeling.SOLUTION: There are provided a dark greenish gray low-transmissive glass composition which contains 1.2-2 pts.wt. of FeO, 0.02-0.04 pts.wt. of CoO, 0.002-0.0035 pts.wt. of Se and 0.01-0.04 pts.wt. of CrOwith respect to 100 pts.wt. of a base glass composition, as coloring components, where a weight ratio ([CoO+CrO]/Se) of (CoO+CrO) to Se is 13-25, and a weight ratio (CoO/CrO) of CoO to CrOis 0.9-1.8; and the dark greenish low-transmissive glass composition which further contains an oxide of a rare earth element selected from a lanthanide element.SELECTED DRAWING: None
【課題】視線遮断性能を満たし;太陽エネルギー透過率(Te)および紫外線透過率(Tuv)は低く、運送手段、建築物などで冷房負荷を低減し、インテリア素材および人を紫外線から保護し;そして透明色の色空間座標が、眼精疲労を低減し、心理的安定感を与える低透過率濃緑灰色ガラス組成物の提供。【解決手段】着色成分として、母ガラス組成物100重量部に対して、Fe2O3が1.2〜2重量部、CoOが0.02〜0.04重量部、Seが0.002〜0.0035重量部及びCr2O3が0.01〜0.04重量部含有しSeに対する(CoO+Cr2O3)の重量比([CoO+Cr2O3]/Se)が13〜25であり、とCr2O3に対するCoOの重量比(CoO/Cr2O3)が0.9〜1.8である濃緑灰色ガラス組成物。更にランタニド族元素から選択される希土類元素の酸化物を含有する濃緑灰色低透過ガラス組成物。【選択図】なし
DARK GREENISH GRAY LOW-TRANSMISSIVE GLASS COMPOSITION
濃緑灰色低透過ガラス組成物
09.11.2017
Patent
Elektronische Ressource
Japanisch
IPC: | B60J WINDOWS, WINDSCREENS, NON-FIXED ROOFS, DOORS, OR SIMILAR DEVICES FOR VEHICLES , Fenster, Windschutzscheiben und bewegbare Dächer, Türen oder Ähnliches für Fahrzeuge / C03C Chemische Zusammensetzungen für Gläser, Glasuren oder Emails , CHEMICAL COMPOSITION OF GLASSES, GLAZES, OR VITREOUS ENAMELS |
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