Moisture-permeable waterproof fabric and process for production

Details Moisture-permeable waterproof fabric and process for production Moisture-permeable waterproof fabric and process for production

1992-03-04

1994-07-05

Lesmes, George F.

Stock material or miscellaneous articles

Structurally defined web or sheet

Discontinuous or differential coating, impregnation or bond

428265, 428290, 427246, 427352, 427373, 427422, B32B 700

Patent

active

053266323

ABSTRACT:
A moisture-permeable waterproof fabric having a resin layer formed on at least one surface thereof, wherein the resin layer is composed of a mixture comprising a product obtained by reacting a urethane prepolymer having isocyanate terminals with an N-carboxyamino acid anhydride and an amine, and a polyurethane having a 100% modulus of at least 40 kg/cm.sup.2, the amount of the resin product contained in the resin layer is 12.9 to 85.3% by weight of total solid resin, and the amount of the urethane/amino acid copolymer contained in the resin layer is 0.9 to 9.0% by weight of total solid resin. The fabric has both an excellent moisture permeability and waterproofness, as well as an excellent abrasion resistance and washing fastness.

REFERENCES:
patent: 4539255 (1985-09-01), Sato et al.
patent: 4560611 (1985-12-01), Naka et al.
patent: 4636424 (1987-01-01), Anemiya et al.

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