Flame protection composition comprising aluminum trihydrate, org

Details Flame protection composition comprising aluminum trihydrate, org Flame protection composition comprising aluminum trihydrate, org

1984-05-18

1985-10-15

Welsh, Maurice J.

Synthetic resins or natural rubbers -- part of the class 520 ser

Synthetic resins

Cellular products or processes of preparing a cellular...

20415916, 428 72, 428160, 4284231, 521 55, 524157, 524159, 524169, 524392, C08L 3308

Patent

active

045475261

ABSTRACT:
In order to improve the flame-protection effect without substantially impairing the mechanical properties of the articles covered with the flame protection agent, the flame protection agent is provided with a compound in a proportion by weight of 7.5 to 30% which contains at least one sulfo group or sulfonium ion. This compound is preferably a water-soluble ammonium salt. As binder there is used an aqueous solution or aqueous dispersion of an organic material, particularly of an acrylate or of a polymer or copolymer having a base of acrylic acid ester. It is particularly advantageous if substantially open-cell polyurethane foam having a base of polyether is impregnated with such a flame-protection agent which contains an ammonium salt of an aminosulfonic acid in a proportion of about 12%. Polyurethane foams impregnated in this manner are particularly well suited for use in cushionings of articles or in premises for which class B1 fire protection is required.

REFERENCES:
patent: 4093589 (1978-06-01), Factor et al.
patent: 4224374 (1980-09-01), Priest
Journal of Cellular Plastics, P. V. Bonsignore, May/Jun., 1979, pp. 163-179.
Ternay, Contemporary Organic Chemistry W. B. Saunders, Philadelphia, 1979, Table 24-1 & p. 1019.
Chem. Abstr. 56, 1962, p. 9/N.
Hawley (ed), The Condensed Chemical Dictionary, 9th Ed., Van Nostrand, NY, 1977, p. 824.

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