Method for rendering vitreous surfaces water repellant and dirt

Details Method for rendering vitreous surfaces water repellant and dirt Method for rendering vitreous surfaces water repellant and dirt

1973-11-02

1976-05-25

Herbert, Jr., Thomas J.

Stock material or miscellaneous articles

Composite

Of quartz or glass

427314, 427398, 428447, B32B 1706

Patent

active

039595633

ABSTRACT:
Articles having a scrub resistant, water repellant and dirt resistant vitreous surface are provided by (a) heating the article to a surface temperature above 400.degree.C, until the surface becomes free of water; (b) adjusting the surface temperature to between 310.degree. and 370.degree.C. and applying a siliconizing medium comprising an organosiloxane; and (c) allowing the article to cool to ambient temperature.

REFERENCES:
patent: 2504482 (1950-04-01), Goldman
patent: 3801361 (1974-04-01), Kitaj

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