Flame-resistant microporous coatings

Details Flame-resistant microporous coatings Flame-resistant microporous coatings

1988-08-30

1989-09-26

Bell, James J.

Stock material or miscellaneous articles

Structurally defined web or sheet

Discontinuous or differential coating, impregnation or bond

427246, 428254, 428265, 428290, 4283155, 4284231, 428913, 428920, 428921, B32B 700

Patent

active

048699535

ABSTRACT:
Water-vapor-permeable yet waterproof coated fabrics are prepared by applying a polyurethane resin solvent solution plus flame retardent to a base fabric then immersing the coating to coagulate the resin leaving a thin, microporous coating on the fabric. An acrylic acid thickener system may be included in the resin solvent solution. The resultant microporous coated fabric has a moisture vapor transmission rate of at least 600 g/m.sup.2 /24 hours, a hydrostatic pressure resistance of at least 69 kPa and is resistant to flame.

REFERENCES:
patent: 3968292 (1976-07-01), Pearman
patent: 4029534 (1977-06-01), Bocko et al.
patent: 4282285 (1981-08-01), Mohudden
patent: 4429000 (1984-01-01), Naka et al.
patent: 4504541 (1985-03-01), Yasuda et al.
patent: 4507413 (1985-03-01), Thoma et al.
patent: 4554198 (1985-11-01), Von Blucher

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