Modified regenerated cellulose fiber and fiber product thereof
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United States of America Patent
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Jul 11, 2006
Issued Date -
N/A
app pub date -
Oct 14, 2004
filing date -
Jun 21, 2001
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A modified regenerated cellulose fiber which enables dyeing in different colors by combining the modified regenerated cellulose fiber and other fibers by means of mixed spinning or union knitting/weaving.The modified regenerated cellulose fiber can be obtained by adding 0.5 3.0% by weight of a grounder of naphthol dye to the regenerated cellulose fiber in a matrix of the regenerated cellulose fiber, the grounder being selected from the group having a medium to high level of affinity to the regenerated cellulose fiber. A variety of dyed fiber products can be obtained by treating yarn or knitted/woven fabric made of the above modified regenerated cellulose fiber with a developer of naphthol dye.
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