NAPPED LEATHER-LIKE SHEET AND METHOD FOR PRODUCING THE SAME

A napped leather-like sheet is used that includes a fiber base material including a non-woven fabric of ultrafine fibers and an elastic polymer, wherein the napped leather-like sheet has a surface including a napped region including the ultrafine fibers that have been napped, and a plurality of unna...

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Bibliographische Detailangaben
Hauptverfasser:	FUJISAWA, Michinori, HASHIMOTO, Koji
Format:	Patent
Sprache:	eng ; fre ; ger
Schlagworte:	FINISHING, DRESSING, TENTERING OR STRETCHING TEXTILE FABRICS FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR FLEXIBLE SHEET MATERIAL NOT OTHERWISE PROVIDED FOR LAUNDERING TEXTILES TREATMENT OF TEXTILES OR THE LIKE WALL, FLOOR OR LIKE COVERING MATERIALS, e.g. LINOLEUM,OILCLOTH, ARTIFICIAL LEATHER, ROOFING FELT, CONSISTING OF AFIBROUS WEB COATED WITH A LAYER OF MACROMOLECULARMATERIAL
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Beschreibung
Zusammenfassung:	A napped leather-like sheet is used that includes a fiber base material including a non-woven fabric of ultrafine fibers and an elastic polymer, wherein the napped leather-like sheet has a surface including a napped region including the ultrafine fibers that have been napped, and a plurality of unnapped regions including the ultrafine fibers that have been thermally welded and laid down, the unnapped regions being surrounded by the napped region and present discontinuously, a total area of the unnapped regions accounts for 5 to 30% of an area of the surface, and Y/X is 0.7 to 1.5, where X represents an average nap length of the napped ultrafine fibers and Y represents an overall average length of averages of widths, orthogonal to a longitudinal direction, of the unnapped regions.