Non-impregnated type substrate useful as base fabric for artificial leather, artificial leather made therefrom, and process for their production
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United States of America Patent
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-
Nov 30, 1999
Grant Date -
N/A
app pub date -
Dec 22, 1997
filing date -
Apr 22, 1996
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
To provide a non-impregnated type substrate useful as a base fabric for artificial leather, which is superior in leather-like handle, air permeability and lightness properties; and an artificial leather made therefrom. A non-impregnated type substrate useful as a base fabric for artificial leather, which is a fiber assembly constituted by matrix fibers and binder fibers having an elastic polymer arranged on the surface thereof, the binder fibers being dispersed in and head-bonded to the matrix fibers, wherein the elastic polymers are contained within a specified amount, the bonds between binder fibers and matrix fibers by the elastic polymer are formed within specified proportions and with particular configurations, and the substrate has a density of 0.15 to 0.45 g/cm.sup.3.
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