Method for manufacturing pile fabric
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United States of America Patent
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Jul 11, 2017
Grant Date -
Aug 27, 2015
app pub date -
Sep 18, 2013
filing date -
Sep 24, 2012
priority date (Note) -
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Abstract
The present invention relates to a pile fabric including an acrylic synthetic fiber at a napped portion, the acrylic synthetic fiber is obtained by spinning a spinning solution including 90 to 99 parts by weight of a polymer A and 1 to 10 parts by weight of a polymer B. The polymer A is a polymer obtained by polymerizing a composition A including 40 to 97 wt % of acrylonitrile, 0 to 5 wt % of a sulfonic acid-containing monomer and 3 to 60 wt % of another copolymerizable monomer. The polymer B is obtained by polymerizing a composition B including 0 to 70 wt % of acrylonitrile, 20 to 90 wt % of acrylic ester and 10 to 40 wt % of a sulfonic acid-containing monomer, and the polymer B is a polymer to be dissolved in a mixed solvent composed of water and at least one organic solvent selected from the group consisting of N,N-dimethylformamide, N,N-dimethylacetamide, dimethylsulfoxide and acetone. The acrylic synthetic fiber forming the napped portion is dyed or discharge-printed at least partially, and the dyed or discharge-printed acrylic synthetic fiber has an apparent specific gravity in a range of 0.8 to 1.1.
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