| 摘要 |
PROBLEM TO BE SOLVED: To provide a fiber comprising a cellulose mixed fatty acid ester composition which comprises an ingredient having little environmental load and consisting mainly of a cellulose mixed fatty acid ester of biomass material and has not only melt-spinnability and strength/elongation characteristics but also, in final products, practical thermal softening temperature. SOLUTION: The fiber comprises a cellulose mixed fatty acid ester composition containing at least a cellulose mixed fatty acid ester satisfying specific substitution degrees and having 150-200°C glass transition temperature (Tg). COPYRIGHT: (C)2006,JPO&NCIPI
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