Process for imparting hydrophobicity to mineral substrates

Details Process for imparting hydrophobicity to mineral substrates Process for imparting hydrophobicity to mineral substrates

1981-06-08

1984-02-21

Morgenstern, Norman

Coating processes

With post-treatment of coating or coating material

Chemical agent applied to treat coating

427344, B05D 310

Patent

active

044330138

ABSTRACT:
There is provided a process for imparting hydrophobicity to an inorganic porous mineral substrate which comprises mixing of a composition of at least one silane or condensation or hydrolysis product thereof and at least one deactivatable surfactant and optionally an organic alcohol with water or a water/organic alcohol mixture to form a dispersion of emulsion and applying the resulting dispersion or emulsion to the substrate.

REFERENCES:
patent: 2982674 (1961-05-01), Ganeberg
patent: 3424598 (1969-01-01), Snyder et al.
patent: 3563786 (1971-02-01), Tsc et al.
patent: 3772065 (1973-11-01), Seiler
patent: 3849357 (1974-11-01), Wolf
patent: 4002800 (1977-01-01), Nestler et al.
patent: 4137367 (1979-01-01), Sample et al.

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