Flame barrier comprising a nonwoven fabric layer containing phen

Details Flame barrier comprising a nonwoven fabric layer containing phen Flame barrier comprising a nonwoven fabric layer containing phen

1995-03-30

1996-07-09

Withers, James D.

Stock material or miscellaneous articles

Structurally defined web or sheet

Including stitching and discrete fastener, coating or bond

428233, 428235, 428240, 428283, 428286, 428300, 428301, 428920, 428921, B32B 306, B32B 516, B32B 502, B32B 506

Patent

active

055343252

ABSTRACT:
A flame barrier made of nonwoven fabric for use as a component of a planar multilayer structure, especially a vehicle or aircraft passenger seat. The flame barrier contains staple fibers made of phenolic resin, para-aramid, or melamine resin, alone or mixed with 20 to 60 wt % preoxidized polyacrylonitrile staple fibers. The nonwoven fabric barrier also contains 15 to 30 wt % vermiculite, which is distributed through the entire volume of the nonwoven fabric. The flame barrier possesses a mass per unit area of 100 g/m.sup.2 to 210 g/m.sup.2. The method of manufacturing the nonwoven fabric flame barrier makes use of water jet needling.

REFERENCES:
patent: 4018983 (1977-04-01), Pedlow
patent: 4743495 (1988-05-01), Lilani et al.
patent: 4849273 (1989-07-01), Skinner et al.

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