Compositions – Fire retarding – Intumescent
Patent
1990-12-21
1995-02-14
Stoll, Robert L.
Compositions
Fire retarding
Intumescent
106 1816, 428921, 252378R, 252607, 523179, C09K 2100, C09K 2114
Patent
active
053893093
ABSTRACT:
Fire-retardant compositions are disclosed. The compositions include at least one nitrogen-liberating compound which will release nitrogen gas during burning, a primary fire-retardant agent; casein resin, and an activator of the casein resin. In the preferred embodiment, there are two nitrogen-liberating compounds, dicyandiamide and nitro-urea, the primary fire-retardant agent is diammonium phosphate, and a filler, titanium dioxide, is also included. The compositions are prepared in a mixing tank and can be applied in a known manner, optionally under high pressure, to cellulosic products such as cloth, yarn, paper, wood and wood substrates in order to impart a fire-retardant quality thereto. Fire-retardant glue and wood laminate structures produced using the glue are also disclosed.
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Metzmaier Daniel S.
Stoll Robert L.
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