Coloring agent for dope-dyeing viscose rayon
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United States of America Patent
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Aug 30, 1988
Grant Date -
N/A
app pub date -
Aug 18, 1986
filing date -
Aug 21, 1985
priority date (Note) -
Expired
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Abstract
A coloring agent for the dope-dyeing viscose rayon, comprising minute spherical cured particles of an amino resin produced from formaldehyde and at least one amino compound selected from the group consisting of benzoguanamine, melamine, and urea and colored with a dye, a viscose composition containing the coloring agent, a viscose rayon obtained by spinning the composition, and a method for manufacture thereof.
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