| 摘要 |
PROBLEM TO BE SOLVED: To provide a dope-dyed cellulose ester composition fiber comprising components of low environmental burden consisting mainly of a plasticizer-containing cellulose ester, excellent in melt spinnability, and high in fineness uniformity and fastness such as laundry fastness as well as mechanical strength and elongation properties. SOLUTION: The dope-dyed cellulose ester composition fiber comprises 80-95 wt.% of a cellulose ester, 5-20 wt.% of a plasticizer and 0.5-6 wt.% of a colorant( except a titanium oxide ), wherein the colorant is preferably a pigment represented by carbon black. COPYRIGHT: (C)2004,JPO&NCIPI
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