Process for the preparation of an impregnated building material,

Details Process for the preparation of an impregnated building material, Process for the preparation of an impregnated building material,

1974-04-25

1977-07-19

Poer, J.

Compositions: coating or plastic

Coating or plastic compositions

Metal-depositing composition or substrate-sensitizing...

106 97, 106118, C04B 735

Patent

active

040366588

ABSTRACT:
The invention refers to a process for the preparation of a hydrofobous building material containing a ballast material and a binder added or formed in connection with the manufacture. At least part of the ballast material is or is made water-repellant and is admixed with the rest of the ingredients of the building material, the amount of water-repellant ballast material and the grain size thereof being adapted so that the water-repellant characteristics of the building material is brought to an acceptable level while maintaining a sufficient wet vapor diffusion ability.

REFERENCES:
patent: 2776914 (1957-01-01), Faulwetter
patent: 3010840 (1961-11-01), Goff et al.
patent: 3042535 (1962-07-01), Hiltrop et al.
patent: 3353975 (1967-11-01), Shannon et al.
patent: 3650784 (1972-03-01), Albert et al.

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