Method for protecting stone materials from atmospheric agents by

Details Method for protecting stone materials from atmospheric agents by Method for protecting stone materials from atmospheric agents by

1986-02-21

1988-05-17

Page, Thurman K.

Coating processes

With post-treatment of coating or coating material

Heating or drying

4273855, 428540, B05D 302

Patent

active

047450096

ABSTRACT:
A process for protecting manufactured structures or articles of marble, stones, tiles, cement and the like from the action of polluting and atmospheric agents, by applying a perfluoropolyether onto the surface of the manufactured structure or article, characterized in that there is utilized a perfluoropolyether having at one or both its ends functional groups selected from carboxylic, ester or amidic groups.

REFERENCES:
patent: 3795533 (1974-03-01), Gauri
patent: 4085137 (1978-04-01), Mitsch et al.
patent: 4321177 (1982-03-01), Wilkinson
patent: 4327139 (1982-04-01), Schaefer et al.

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