A PROCESS FOR THE PRODUCTION OF UNCOATED TECHNICAL FABRICS WITH LOW AIR PERMEABILITY

A process fox the production of uncoated technical fabrics in a dense weave with low air permeability, the fabric consisting of polyamide filament yarns with a hot air shrinkage of 6 to 15% (determined at 160~C) and having an at least substantially symmetrical fabric construction. The fabric is adju...

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Bibliographische Detailangaben
Hauptverfasser: GRAEFE, HANS ALBERT, SIEJAK, VOLKER, KRUMMHEUER, WOLF
Format: Patent
Sprache:eng ; fre
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Zusammenfassung:A process fox the production of uncoated technical fabrics in a dense weave with low air permeability, the fabric consisting of polyamide filament yarns with a hot air shrinkage of 6 to 15% (determined at 160~C) and having an at least substantially symmetrical fabric construction. The fabric is adjusted to the required air permeability by a treatment in an aqueous bath at 60 to 140.degree.C.