Waterproof and moisture-conducting fabric coated with hydrophilic polymer
OwnerHubert von Blucher, Hasso von Blucher +1inventors
InventorsHubert von Blucher, Hasso von Blucher, Ernest de Ruiter
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Abstract
A waterproof and moisture-conducting fabric comprising a base permeable to water vapor and sealed with a closed coating of a hydrophilic polymer. The sealing coating is advantageously a compressed foam of an acrylic resin modified with polyvinyl chloride or polyurethane. A second base may be laminated onto the sealing layer. Protective fillers such as lead compounds and carbon may be included in or on the coating. The fabric is suited for protective clothing articles such as rescue-at-sea garments and shoe uppers, and sleeping bags.
Claims14
A waterproof and moisture-conducting fabric comprising a textile base permeable to water vapor and sealed with a closed airtight and liquid-tight coating layer of a hydrophilic polymer having enough hydrophilic hydroxyl, ether, amine and/or carboxyl groups for absorbing water at points of high partial pressure, effecting migration of said water within the layer in the form of water molecules to points of low partial pressure, and releasing it in the form of water vapor again at the surface of the fabric, the coating being capable of storing 200 to 400% of its weight in moisture and allowing passage of at least 500 g/m.sup.2 of water vapor per day.
Dependencies are inferred from the claim text.