Use of sulphur as an additive to inhibit the smoldering combusti

Details Use of sulphur as an additive to inhibit the smoldering combusti Use of sulphur as an additive to inhibit the smoldering combusti

1978-03-14

1981-04-07

Smith, John D.

Stock material or miscellaneous articles

Structurally defined web or sheet

Discontinuous or differential coating, impregnation or bond

5459, 29 911, 29 915, 297DIG5, 4273933, 428286, 428287, 428291, 428289, 428290, 428304, 428688, 428310, 428341, 428543, A47C 2700

Patent

active

042606608

ABSTRACT:
Disclosed is a smolder resistant upholstered furniture or mattress assembly nd a method for rendering the composite materials of such assembly smolder resistant. Placement of a layer of sulphur immediately adjacent a normally smolder-prone material in the composite effectively prohibits the advances of smoldering combustion to a dangerous stage. The sulphur layer is advantageously applied by backcoating the fabric overlay, coating or impregnating the fibrous or polyurethane foam materials or separating layers of such materials with sulphur-containing films, fabrics and the like. An advantageously effective amount of sulphur is from about 25-50 g/m.sup.2 to about 250-300 g/m.sup.2 in a layer having a depth of about 1 to 3 mm.

REFERENCES:
patent: 1836660 (1931-12-01), Haertel
patent: 3542701 (1970-11-01), Raamsdonk
patent: 3774250 (1973-11-01), Miller
patent: 3833951 (1974-09-01), Hurwitz
patent: 3934285 (1976-01-01), May
patent: 4012507 (1977-03-01), Knoepfler et al.
Agafonov et al., Chem. Abstracts, vol. 86, 157838c (1977).

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