Ultraviolet and infrared radiation absorbing and low transmittin

Details Ultraviolet and infrared radiation absorbing and low transmittin Ultraviolet and infrared radiation absorbing and low transmittin

1997-11-26

1999-12-07

Jones, Deborah

Compositions: ceramic

Ceramic compositions

Glass compositions, compositions containing glass other than...

501 71, 501904, C03C 3087

Patent

active

059983167

ABSTRACT:
An ultraviolet and infrared radiation absorbing and low transmitting glass having neutral gray to neutral grayish green tint and also having low visible light and solar energy transmission and a low ultraviolet light transmission, further showing an excellent protection of interior trim of automobiles against deterioration and fading, and also showing privacy protection effect when applied especially to window glass of automobiles and to window glass of buildings. The ultraviolet and infrared radiation absorbing and low transmitting glass comprising in % by weight: basic glass components comprising 65 to 80% SiO.sub.2, 0 to 5% Al.sub.2 O.sub.3, 0 to 10% MgO, 5 to 15% CaO, 5 to 15% MgO+CaO, 10 to 20% Na.sub.2 O, 0 to 5% K.sub.2 O, 10 to 20% Na.sub.2 O+K.sub.2 O, and 0 to 5% B.sub.2 O.sub.3, and coloring components comprising 0.65 to 0.95% total iron oxide (T-Fe.sub.2 O.sub.3) in terms of Fe.sub.2 O.sub.3, 0.9 to 2.3% TiO.sub.2, 0 to 2.0% CeO.sub.2, 0.019 to 0.04% CoO, 0 to 0.002% Se, and 0.01 to 0.2% NiO, wherein the glass has a visible light transmission (YA) and a solar energy transmission (TG) of 30% or less and 10 to 35%, respectively, when the glass has a thickness of 3.1 to 5 mm.

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patent: 5362689 (1994-11-01), Morimoto et al.
patent: 5411922 (1995-05-01), Jones
patent: 5593929 (1997-01-01), Krumwiede et al.
patent: 5688727 (1997-11-01), Shelestak et al.
JP 06 247 740 A (Derwent Abstract).

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