Masonry water repellent

Details Masonry water repellent Masonry water repellent

1990-11-07

1992-05-05

Van Balen, William J.

Stock material or miscellaneous articles

Composite

Of silicon containing

427209, 427387, 4273936, 428703, B32B 1300, B32B 904

Patent

active

051106841

ABSTRACT:
A method of rendering masonry architectural building materials water repellent by incorporating into the masonry architectural building material an additive which is a mixture of (i) a water soluble silane coupling agent and (ii) an emulsion which includes water, at least one surfactant, and a siloxane fluid. The siloxane fluid is one of a linear methylhydrogen siloxane polymers, linear methylhydrogen-methylalkyl siloxane copolymers, methylhydrogen cyclosiloxane polymers, or methylhydrogen-methylalkyl cyclosiloxane copolymers. An inorganic porous mineral substrate including the mixture is also disclosed.

REFERENCES:
patent: 4204030 (1980-05-01), Takamizawa et al.
patent: 4258102 (1981-03-01), Traver et al.
patent: 5066520 (1991-11-01), Freiberg et al.

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