Method for imparting water repellency to absorbent inorganic bui

Details Method for imparting water repellency to absorbent inorganic bui Method for imparting water repellency to absorbent inorganic bui

1987-10-13

1989-05-30

Childs, Sadie

Coating processes

With pretreatment of the base

427136, 427387, 4273936, B05D 300, B05D 302

Patent

active

048350141

ABSTRACT:
A method for imparting water repellency to absorbent inorganic building materials by first contacting at least a part of the surface of the building materials to be rendered water repellent, with at least partially liquid water and thereafter applying a solution containing an organosilicon compound and a water-immiscible organic solvent to the moist surface of the inorganic building materials.

REFERENCES:
patent: 3819400 (1974-06-01), Plankl et al.
patent: 4342796 (1982-08-01), Brown et al.
patent: 4716051 (1987-12-01), Rodder

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