Airbag with flame retardant monolithic coating layer

Details Airbag with flame retardant monolithic coating layer Airbag with flame retardant monolithic coating layer

2008-01-23

2010-06-15

Singh-Pandey, Arti (Department: 1786)

Fabric (woven, knitted, or nonwoven textile or cloth, etc.)

Woven fabric

Including a foamed layer or component

Reexamination Certificate

active

07737058

ABSTRACT:
Provided herein are specific coating compositions, which are used as a monolithic coating layer for airbags. Preferably, these coating compositions are comprised of urethanes, which are blended together, where at least one of the urethane components is inherently flame retardant and the other of which is a urethane with gas-retaining properties. The gas-retaining urethane may be characterized as having high tensile strength at break, high elongation at break, and a 100% modulus less than 2,000 p.s.i. The inherently flame retardant urethane is the result of a manufacturing process in which a halogenated diol is reacted with an isocyanate, resulting in the incorporation of halogens into the polyurethane backbone. The resulting coating compositions (that is, the blends of gas-retaining urethane and flame retardant urethane), when applied as a single layer to an airbag fabric, result in an airbag with good gas retention, flame retardance, anti-blocking properties, and aging stability.

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