Preparation for making inorganic building materials water-repell

Details Preparation for making inorganic building materials water-repell Preparation for making inorganic building materials water-repell

1984-04-05

1984-12-04

Marquis, Melvyn I.

Coating processes

With post-treatment of coating or coating material

Heating or drying

428447, 528 10, 528 17, 528 18, 524859, 525477, A23F 300

Patent

active

044864760

ABSTRACT:
A composition for making building materials water-repellent, before or after they are shaped, the composition containing organoalkoxysiloxanes of the formula ##STR1## in which R.sup.1 is an alkyl or aryl radical, R.sup.2 is an alkyl radical with 1 to 4 carbon atoms, a=0.8 to 1.5, and b is not greater than 2. The composition contains

REFERENCES:
patent: 4408009 (1983-10-01), Mallon
patent: 4413104 (1983-11-01), Deubzer et al.

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