Ultraviolet and infrared radiation absorbing glass

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

1996-06-03

2000-01-25

Group, Karl

Compositions: ceramic

Ceramic compositions

Glass compositions, compositions containing glass other than...

501 66, 501 70, 501904, 501905, C03C 3087, C03C 3095

Patent

active

060178361

ABSTRACT:
Ultraviolet and infrared radiation absorbing glass comprising, as basic glass components, 65 to 80% by weight of SiO.sub.2, 0 to 5% by weight of Al.sub.2 O.sub.3, 0 to 10% by weight of MgO, 5 to 15% by weight of CaO, 10 to 18% by weight of Na.sub.2 O, 0 to 5% by weight of K.sub.2 O, 5 to 15% by weight in total of MgO and CaO, 10 to 20% by weight in total of Na.sub.2 O and K.sub.2 O, and 0.2 to 5.0% by weight of B.sub.2 O.sub.3 ; and as coloring components, 0.5 to 1.0% by weight, in terms of Fe.sub.2 O.sub.3, of total iron oxide having a ratio of FeO based on the total iron oxide of 0.20 to 0.40, 0.2 to 2.0% by weight of CeO.sub.2, and 0 to 1.0% by weight of TiO.sub.2, and ultraviolet and infrared radiation absorbing glass comprising, as basic glass components, 65 to 80% by weight of SiO.sub.2, 0 to 5% by weight of Al.sub.2 O.sub.3, 0 to 10% by weight of MgO, 5 to 15% by weight of CaO, 10 to 18% by weight of Na.sub.2 O, 0 to 5% by weight of K.sub.2 O, 5 to 15% by weight in total of MgO and CaO, 10 to 20% by weight in total of Na.sub.2 O and K.sub.2 O, and 0.5 to 5.0% by weight of B.sub.2 O.sub.3 ; and, as coloring components, 0.5 to 1.0% by weight, in terms of Fe.sub.2 O.sub.3, of total iron oxide having a ratio of FeO based on the total iron oxide of 0.20 to 0.40, 0.2 to 1.2% by weight of CeO.sub.2, and 0 to 1.0% by weight of TiO.sub.2.

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