Fire-resistant fabric

Details Fire-resistant fabric Fire-resistant fabric

1989-10-27

1991-02-26

Bell, James J.

Stock material or miscellaneous articles

Structurally defined web or sheet

Discontinuous or differential coating, impregnation or bond

428224, 428253, 428255, 428257, 428284, 428373, 4284231, 428920, B32B 700

Patent

active

049960997

ABSTRACT:
A fire-resistant fabric suitable for use as a flame barrier comprising a flame durable textile fabric substrate formed of corespun yarns, the yarns comprising a core of flame resistant fiber and a sheath of modacrylic intumescent staple fibers. In normal use, the fabric is flexible and conformable and has good air porosity. When exposed to high temperature or a flame, however, the modacrylic intumescent sheath fiber reacts and swells to form a char which closes the pores or interstices of the fabric to thus prevent flame or hot gases from penetrating therethrough.

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patent: 4463465 (1984-03-01), Parker
patent: 4573500 (1986-03-01), Bouglas
patent: 4663204 (1987-05-01), Langham
patent: 4670327 (1987-06-01), Weber
patent: 4756945 (1988-07-01), Gibb

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