Infrared radiation absorbing glue glass composition

Details Infrared radiation absorbing glue glass composition Infrared radiation absorbing glue glass composition

1989-10-10

1991-05-07

Maples, John S.

Compositions

Light transmission modifying compositions

Infrared

252584, 252588, 501 68, 501 69, 501 70, F21V 904, G02B 520, C03C 3083, C03C 3087

Patent

active

050134876

ABSTRACT:
Blue-colored, infrared radiation absorbing glass compositions are prepared by the addition of zinc sulfide and zinc oxide to glass compositions containing iron. The zinc sulfide acts as a reducing agent, to maintain a portion of the iron in the ferrous state, and the zinc oxide prevents amber coloration of the glass which would otherwise occur due to the addition of the zinc sulfide to the glass batch.

REFERENCES:
patent: 2636420 (1953-04-01), Ryan et al.
patent: 2755212 (1956-07-01), Brown
patent: 3326703 (1967-06-01), Harrington
patent: 3649311 (1972-03-01), Araujo
patent: 3652303 (1972-03-01), Rao
patent: 3779733 (1973-12-01), Janakirama-Rao
patent: 3806349 (1974-04-01), Matsuura
patent: 3844796 (1974-10-01), Jasinski
patent: 4106946 (1978-08-01), Ritze

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