LEATHER-LIKE SHEET AND PRODUCTION PROCESS THEREOF
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United States of America Patent
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Issued Date -
Feb 24, 2011
app pub date -
Oct 10, 2007
filing date -
Oct 11, 2006
priority date (Note) -
Abandoned
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Abstract
This invention provides a leather-like sheet excellent in hand softness and appearance durability, as a composite sheet consisting of a nonwoven fabric composed of ultrafine long fibers in which ultrafine fibers with a fiber fineness of 0.0001 to 0.5 dtex are entangled with each other, and a woven or knitted fabric, characterized in that at least some of the aforementioned ultrafine fibers pass through the woven or knitted fabric, that the appearance is grade 3 or higher while the abrasion loss is 10 mg or less in the evaluation of abrasion resistance, and that the sheet is substantially composed of only a fiber material of a non-elastic polymer.
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