Moisture-permeable waterproof coated fabric and method of making

Details Moisture-permeable waterproof coated fabric and method of making Moisture-permeable waterproof coated fabric and method of making

1981-07-24

1984-01-31

McCamish, Marion

Stock material or miscellaneous articles

Structurally defined web or sheet

Discontinuous or differential coating, impregnation or bond

428266, 428267, 428286, 428290, 4283142, 4283155, 4283159, 4283166, 4284235, 4284237, 4284248, 427246, B32B 2740

Patent

active

044290004

ABSTRACT:
A moisture-permeable waterproof coated fabric having a microporous polyurethane layer is obtained by the so-called wet coagulation method using as a coated solution a polar organic solvent solution containing 8 to 25% by weight of a polyurethane elastomer, 0.1 to 10% by weight of a water repellent agent, 0.2 to 3% by weight of polyisocyanate and 1 to 8% by weight of a nonionic surfactant.

REFERENCES:
patent: 3360394 (1967-12-01), Griffin
patent: 4137360 (1979-01-01), Reischl

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