| 摘要 |
PROBLEM TO BE SOLVED: To provide a product having excellent wearing and taking off properties, fittedness, appearance quality, a feeling of wearing, moisture absorbing and releasing properties, antistatic properties, etc. SOLUTION: This polyurethane elastic fiber is characterized in that a polyurethane comprises a polyol containing a block copolymer of tetrahydrofuran and ethylene oxide, a diisocyanate and a diol as main constituent components.
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