Silicate-containing flame-resistant adhesive composition

Details Silicate-containing flame-resistant adhesive composition Silicate-containing flame-resistant adhesive composition

1975-09-16

1978-01-03

Hayes, Lorenzo B.

Compositions: coating or plastic

Coating or plastic compositions

Contains fireproofing or biocidal agent

106 74, 106 80, 106 81, 106 84, 106193J, 106197C, 106213, 106214, 252 81, 252 62, C09D 518

Patent

active

040664635

ABSTRACT:
This invention relates to a silicate-containing flame-resistant adhesive composition comprising an inorganic component consisting, with respect to the weight of the total composition, of (a) 20-90wt% of a concentrated aqueous alkali metal silicate solution, (b) 5-25wt% of a clay and 2-7wt% of deflocculated asbestos fibres; and (2) an organic component present as a 30-70% aqueous solution of a carboxymethylcellulose, a starch ether, a dextrin or mixtures thereof, this organic component being present in an amount (dry weight) of 0.2-2wt% by weight of the total composition. The composition may be prepared by (A) charging the silicate solution in a container and rotating same in a given direction, (B) intimately dispersing the aqueous organic component solution while rotating same in the opposite direction, (C) adding the clay on completion of the dispersion, with continued stirring and (D) then dispersing the deflocculated asbestos fibres in the stirred mixture.

REFERENCES:
patent: 2323029 (1943-06-01), Goodrich
patent: 2536871 (1951-01-01), Carlton
patent: 2736678 (1956-02-01), Olix
patent: 3009829 (1961-11-01), Gouveia
patent: 3150989 (1964-09-01), Parson

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