Infrared and ultraviolet radiation absorbing green glass composi

Details Infrared and ultraviolet radiation absorbing green glass composi Infrared and ultraviolet radiation absorbing green glass composi

1990-08-30

1991-12-31

Bell, Mark L.

Stock material or miscellaneous articles

Composite

Of quartz or glass

501 64, 501 70, 501904, 501905, 296 841, C03C 3087, C03C 3095, C03C 408, C03C 410

Patent

active

050771337

ABSTRACT:
Green-colored, infrared energy and ultraviolet radiation absorbing glass compositions comprise conventional soda-lime-silica float glass ingredients, a high concentration of moderately reduced iron, and ceric oxide. The resultant glass exhibits an Illuminant A visible light transmittance greater than 70%, a total solar energy transmittance less than about 46%, and an ultraviolet radiation transmittance less than about 38%, at glass thicknesses in the range of 3 mm to 5 mm. Optionally, a portion of the ceric oxide can be replaced with a predetermined quantity of titanium oxide.

REFERENCES:
patent: 4704425 (1987-10-01), Baker et al.
patent: 4792536 (1988-12-01), Pecoraro

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