Ultraviolet and infrared radiation absorbing glass

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

1997-09-30

1999-01-12

Marcheschi, Michael

Compositions: ceramic

Ceramic compositions

Glass compositions, compositions containing glass other than...

501 64, 501 70, 501904, 501905, C03C 3087, C03C 3095, C03C 402

Patent

active

058588965

ABSTRACT:
An ultraviolet and infrared radiation absorbing glass having excellent ultraviolet radiation absorbing power and green tint, which is suitably used as a window glass for automobiles and constructional materials. The glass comprises, 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, 10 to 18% Na.sub.2 O, 0 to 5% K.sub.2 0, 5 to 15% MgO+CaO, 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 0.4 to 1.5% 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 to 2.0% TiO.sub.2, and 0.025 to 6.0% La.sub.2 O.sub.3, wherein 25 to 40% of said T-Fe.sub.2 O.sub.3 in terms of Fe.sub.2 O.sub.3 is FeO.

REFERENCES:
patent: 5039631 (1991-08-01), Krashkevich et al.
patent: 5077133 (1991-12-01), Cheng
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), 23 Jan. 1992 * Abstract; examples 3-5 *.
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), 7 Apr. 1989 * abstract; examples 2, 4, 6 *.

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