Difficultly flammable veneered or coated extruded boards

Details Difficultly flammable veneered or coated extruded boards Difficultly flammable veneered or coated extruded boards

1986-10-06

1987-10-20

Seccuro, Carman J.

Stock material or miscellaneous articles

Web or sheet containing structurally defined element or...

Including a second component containing structurally defined...

428327, 428407, 428528, 428529, 428921, 4284253, 523205, 525936, 264122, C08K 910, C32B 2102, C32B 2114, C32B 2316

Patent

active

047013737

ABSTRACT:
The disclosure relates to difficulty flammable wooden articles, especially chip boards comprising solid and pipe boards, prepared by extrusion from wooden chips and/or woody fibrous materials. The articles contain as a flame-retarding addend a product of
(a) 50 to 99.5 weight % of a flame-retarding agent physically and chemically stable under extrusion conditions, preferably 75 to 99.5 weight % of a pulverulent, free-flowing ammonium polyphosphate of the general formula

REFERENCES:
patent: 4008214 (1977-02-01), Sobolev et al.
patent: 4012558 (1977-03-01), Wurman
patent: 4467056 (1984-08-01), Staendeke et al.
patent: 4547429 (1985-10-01), Greiner et al.

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