Moisture permeable and waterproof coated fabric and method for m

Details Moisture permeable and waterproof coated fabric and method for m Moisture permeable and waterproof coated fabric and method for m

1992-07-06

1993-04-20

Welsh, Maurice J.

Electricity: measuring and testing

Electric lamp or discharge device

Vacuum tube

524590, 524591, 521 82, 521 91, 427244, 427245, 427246, 4283179, C08L 7504

Patent

active

052044033

ABSTRACT:
A water-vapor permeable, waterproof coated fabric having a fibrous base fabric, and a porous film coated on one side of the base fabric. The porous film comprises a synthetic polymer composed mainly of a polyurethane resin and inorganic fine particles having a mean particle diameter of not more than 0.1 .mu.m. In the porous film, microcells intercommunicate in the thicknesswise direction of the film to form a honeycomb skin core structure having a diameter of 1 to 20 .mu.m. The porous film has a multiplicity of micropores having a diameter of not more than 1 .mu.m. The coated fabric has waterproof and water-vapor permeability characteristics sufficient to meet such performance characteristics required in various applications, such as rainwears, military garments, and sportswears.

REFERENCES:
patent: 4476276 (1984-10-01), Gasper et al.

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