Method of preparing non-glare glass

Details Method of preparing non-glare glass Method of preparing non-glare glass

1994-02-10

1995-05-16

Powell, William

Etching a substrate: processes

Nongaseous phase etching of substrate

Etching inorganic substrate

252 793, 252 794, B44C 122, C03C 1500

Patent

active

054157315

ABSTRACT:
A method of preparing a non-glare glass comprising (a) applying a printing ink consisting of water, sugar, carboxymethyl cellulose, starch powder, and aluminum oxide on the surface of the glass by means of a conventional screen printing technique; (b) dipping the glass into a dipping solution consisting of water, sugar, ammonium bifluoride, and ferric chloride; and (c) washing the glass thus treated with water. The resulting glass has a number of fine, transparent, etched patterns on its surface, and thus, can scatter light applied to the surface in a random manner, resulting in a non-glare surface. The process produces a glass having a non-glare surface, on which various and exquisite patterns are etched, without causing environmental pollution or injury to workers.

REFERENCES:
patent: 2067925 (1937-01-01), Clayton-Kennedy
patent: 2622016 (1952-12-01), Gilstrap et al.
patent: 3616098 (1971-10-01), Falls
patent: 4781792 (1988-11-01), Hogan
patent: 4921626 (1990-05-01), Rhodenbaugh
patent: 5281350 (1994-01-01), Gimm et al.

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