| 摘要 |
PROBLEM TO BE SOLVED: To provide a water-repelling, oil-repelling and antisoiling fiber having excellent water-repelling, oil-repelling and antistaining properties which are not largely deteriorated, even when repeatedly washed, and capable of satisfying fiber-producing operability and fiber quality performance. SOLUTION: This water-repelling, oil-repelling and antisoiling fiber comprises a sheath-core conjugate fiber comprising a core component and a sheath component. The core component comprises a thermoplastic resin, and the sheath component comprises a thermoplastic resin containing a fluorinated copolymer in an amount of 1-100 wt.%. The core component is contained in an amount of 30-98 wt.% based on the total weight of the fiber, and the fluorinated copolymer of the sheath component is homogeneously dispersed in a portion near to the surface of the fiber. The water-repelling, oil-repelling and antisoiling fiber is obtained by melt-spinning polymers, drawing the spun fiber, winding up the fiber and subsequently thermally treating the fiber at 160-200 deg.C.
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