Moisture-permeable waterproof fabric
AssigneeKanebo, Ltd.
InventorsKeishi Sato, Takeshi Nishida, Toji Kamiya, Yutaka Tanaka
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Abstract
The moisture-permeable waterproof fabric according to the invention comprises a polyamino acid modified polyurethane film having a thickness of 2 to 20 microns and a fabric bonded on the polyurethane film by a polyurethane adhesive in an amount of at least 10 g/m.sup.2. The polyamino acid modification ratio of the polyurethane film is within the range of 2 to 20%. The total amount of the adhesive and the polyurethane film is not more than 50 g/m.sup.2.
Claims7
A moisture-permeable waterproof fabric having a water resistance measured by JIS D-1092 of more than 2000 mm and a moisture-permeability measured by JIS K-6328 of at least 800 g/m.sup.2 .multidot.24 hr, which comprises a polyamino acid modified polyurethane film having a thickness of 2 to 20 microns and a fabric bonded on said polyurethane film by a polyurethane adhesive in an amount of at least 10 g/m.sup.2, the polyamino acid modification ratio of said polyurethane film being within the range of 2 to 20% and the total amount of said adhesive and said polyurethane film being not more than 50 g/m.sup.2.
Dependencies are inferred from the claim text.