Compositions: coating or plastic – Coating or plastic compositions – Alkali metal silicate containing
Patent
1995-05-03
1996-07-02
Green, Anthony
Compositions: coating or plastic
Coating or plastic compositions
Alkali metal silicate containing
106634, 106637, 1062861, 1062871, C04B 1204
Patent
active
055318223
ABSTRACT:
The invention provides modified stonework material as well as modified woven fabric, paper, and ligneous materials with improved water-proof, dust-prevention, wear-resistance, and others. These porous materials are rendered non-porous by causing aqueous solution of alkali silicate to penetrate into such porous materials to produce calcium silicate and colloidal silicic acid in the presence of ammonium ions and halogen ions, the solution of which fills the voids in the material perfectly to render it non-porous.
REFERENCES:
patent: 4312673 (1982-01-01), Neely, Jr.
patent: 4528149 (1985-07-01), Wichelhaus et al.
patent: 4878947 (1989-11-01), Helferich
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