Product and method for forming in situ insoluble metal silicates

Details Product and method for forming in situ insoluble metal silicates Product and method for forming in situ insoluble metal silicates

1974-04-29

1976-08-10

Gwinnell, Harry J.

Stock material or miscellaneous articles

Structurally defined web or sheet

Discontinuous or differential coating, impregnation or bond

21 2, 21 7, 21 58, 427336, 427344, 427379, 427381, 427382, 428452, 428537, 428541, 428921, B05D 310, B05D 706

Patent

active

039743187

ABSTRACT:
A method for fire retarding and preserving wood products, paper, cardboard, boxboard, cloth and other porous materials, having a plurality of internal voids, in which a water soluble silicate composition is applied to those porous materials, penetrating into the voids, and the material dried. Thereafter, a water soluble metallic salt composition is applied, also penetrating into the voids and reacting in situ to form a water insoluble metallic silicate with a high degree of water of hydration disposed throughout the voids.

REFERENCES:
patent: 963810 (1910-07-01), Sala
patent: 1136370 (1915-04-01), Scharwath
patent: 1169349 (1916-01-01), Icaza
patent: 1959966 (1934-05-01), Robinson
patent: 3306765 (1967-02-01), DuFresne et al.
patent: 3529990 (1970-09-01), Becker et al.
patent: 3840388 (1974-10-01), Perlus et al.

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