Fire retardant composition

Details Fire retardant composition Fire retardant composition

1987-02-26

1988-05-24

Kittle, John E.

Stock material or miscellaneous articles

Hollow or container type article

Cellular material derived from plant or animal source

428526, 428920, 428921, 106 1812, 106 84, 252 62, B27N 502, C09D 516, E04B 174

Patent

active

047465557

ABSTRACT:
The present invention provides a composition for use in forming a fire retardant core for a wooden door by curing and pressing said composition to form a sheet, said composition consisting essentially of (a) 30 to 75% by weight of an inert mineral filler selected from perlite and vermiculite; (b) 10 to 30% by weight of wood chips and (c) from 3 to 15% by weight of a binder which is a mixture of an alkali metal silicate and a curable phenolic resin, at least one of which is present in dry form.

REFERENCES:
patent: 2921862 (1960-01-01), Sucetti
patent: 2993016 (1961-07-01), Sucetti
patent: 3015626 (1962-01-01), Kingsbury
patent: 3658564 (1972-04-01), Gerow et al.
patent: 3725095 (1973-04-01), Weidman et al.
patent: 3847633 (1974-11-01), Race
patent: 4040213 (1977-08-01), Capaul
patent: 4066463 (1978-01-01), Chollet
patent: 4095985 (1978-06-01), Brown
patent: 4595414 (1986-06-01), Shutt

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