LEATHER-LIKE SHEET BEARING GRAIN FINISH AND PROCESS FOR PRODUCING THE SAME

A (semi)grain-finished leather-like sheet composed of an entangled nonwoven fabric of three-dimensionally entangled fiber bundles containing microfine long fibers and an elastic polymer contained in the entangled nonwoven fabric. When dividing the (semi)gram-finished leather-like sheet to five layer...

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Bibliographische Detailangaben
Hauptverfasser: NAKAYAMA, KIMIO, TANAKA, JIRO, MAKIYAMA, NORIO, YAMASAKI, TSUYOSHI, ANDO, YOSHIYUKI
Format: Patent
Sprache:eng ; fre ; ger
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Zusammenfassung:A (semi)grain-finished leather-like sheet composed of an entangled nonwoven fabric of three-dimensionally entangled fiber bundles containing microfine long fibers and an elastic polymer contained in the entangled nonwoven fabric. When dividing the (semi)gram-finished leather-like sheet to five layers with equal thickness, i.e., surface layer, substrate layer 1, substrate layer 2, substrate layer 3 and back layer in this order along the thickness direction, part of the microfine long fibers forming the surface layer and/or the back layer are fuse-bonded to each other and the microfine long fibers forming the intermediate layer are not fuse-bonded. With such a fuse-bonding state of the microfine long fibers, the (semi)grain-finished leather-like sheet combines a low compression resistance and a dense feel each comparable to natural leathers, has a sufficient practical strength, and are excellent in properties which are required according to its use.