Fire-retardant particle board and binder therefor from aminoplas

Details Fire-retardant particle board and binder therefor from aminoplas Fire-retardant particle board and binder therefor from aminoplas

1974-09-06

1976-02-17

Tillman, Murray

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

260 294R, 260849, 260DIG24, 428528, 428921, C08L 100, C08L 6124, C08L 6134

Patent

active

039391078

ABSTRACT:
Novel stable-in-use aminoplast resin binder solutions comprising aqueous solutions of predominantly a urea-formaldehyde resin having a formaldehyde to urea ratio of less than 2.0, from about 40 to 56% by weight dissolved ammonium polyphosphate reacted with 5 to 12.5 percent by weight formaldehyde and not more than 30% by weight water. Preferred aminoplast resin binder solutions also contain a methylolated melamine-formaldehyde resin. A novel process for the production of the stable aminoplast resin binder solutions containing high percentages of ammonium polyphosphates and suitable for production of fire-retardant particle board is disclosed.

REFERENCES:
patent: 2193630 (1940-03-01), Howald
patent: 2312210 (1943-02-01), Dearing
patent: 2348244 (1944-05-01), Dearing
patent: 2378724 (1945-06-01), Oldham
patent: 2402032 (1946-06-01), Fischer
patent: 2582961 (1952-01-01), Burnell et al.
patent: 2625524 (1953-01-01), Kvalnes et al.
patent: 3372131 (1968-03-01), Rohlfs et al.
patent: 3839239 (1974-10-01), Godfried

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