Process for the manufacture of fire retardant particleboard

Details Process for the manufacture of fire retardant particleboard Process for the manufacture of fire retardant particleboard

1975-10-09

1977-08-02

White, Robert F.

Plastic and nonmetallic article shaping or treating: processes

Forming articles by uniting randomly associated particles

With subsequent cutting, grooving, breaking, or comminuting

264109, 428403, 428326, 428407, 428528, B29J 500

Patent

active

040396452

ABSTRACT:
A process for manufacturing a unique fire retardant particleboard includes the supersaturation of wood chips, followed by spraying of the wood chips with an aqueous solution of borate and sulfuric acid, after which the sprayed wood chips are allowed to stand for a period of time to become impregnated and saturated with the aqueous solution. The impregnated wood chips are then allowed to dry, after which a urea formaldehyde adhesive is applied to the wood chips, and the chips are consolidated to form the fire resistant wood particleboard.

REFERENCES:
patent: 3321421 (1967-05-01), Pataki

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