Ultraviolet and infrared radiation absorbing glass

Details Ultraviolet and infrared radiation absorbing glass Ultraviolet and infrared radiation absorbing glass

1997-09-30

1999-09-28

Marcheschi, Michael

Compositions: ceramic

Ceramic compositions

Glass compositions, compositions containing glass other than...

501 64, 501904, 501905, C03C 3087, C03C 408

Patent

active

059588110

ABSTRACT:
An ultraviolet and infrared radiation absorbing glass having excellent ultraviolet radiation absorbing power and a bronze or neutral gray tint which is suitably used as a window glass for vehicles of automobiles and also as a window glass for construction materials is provided. The glass comprises, in % by weight: basic glass components comprising 65 to 80% SiO.sub.2, 0 to 5% B.sub.2 O.sub.3, 0 to 5% Al.sub.2 O.sub.3, 0 to 10% MgO, 5 to 15% CaO, 10 to 18% Na.sub.2 O, 0 to 5% K.sub.2 O, 5 to 15% MgO+CaO, and 10 to 20% Na.sub.2 O+K.sub.2 O, and coloring components comprising 0.20 to 0.50% total iron oxide (T-Fe.sub.2 O.sub.3) in terms of Fe.sub.2 O.sub.3, 0 to 3.0% CeO.sub.2, 0.025 to 6.0% La.sub.2 O.sub.3, 0 to 2.0% TiO.sub.2, 0.0002 to 0.005% CoO, 0.0002 to 0.005% Se, 0 to 0.01% NiO, and 0 to 1.0% SnO.sub.2, wherein 5 to 25% of said T-Fe.sub.2 O.sub.3 in terms of Fe.sub.2 O.sub.3 is FeO.

REFERENCES:
patent: 4521524 (1985-06-01), Yamashita
patent: 5318931 (1994-06-01), Nakaguchi et al.
patent: 5688727 (1997-11-01), Shelestak et al.
Database WPI--Section Ch, Week 9248 Derwent Publications Ltd., London, GB; Class L01, AN 92-397080 XP002051343 & SU 1 706 979 A (Chenyatinsk Glas WKS), Jan. 23, 1992 (Abstruct).
Database WPI--Section Ch, Week 9002 Derwent Publications Ltd., London, GB; Class L01, AN 90-014293 XP002051344 & SU 1 470 679 A (Gusev Glass Res Inst), Apr. 7, 1989 (Abstruct).

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