| 摘要 |
PURPOSE:To obtain the subject fiber having quick response when used as a reactive element by producing a water-containing fiber by the conjugate spinning of a water-base stock liquid of a PVA polymer and a stock liquid of another water-soluble polymer and subjecting the resultant water-containing fiber to freezing treatment, thawing treatment and removal of the water-soluble polymer. CONSTITUTION:A water-containing fiber produced by the conjugate spinning of a water-base stock liquid of a PVA polymer (preferably containing >=97% of vinyl alcohol unit and having a polymerization degree of >=3,000) and a stock liquid of another water-soluble polymer is subjected to the freezing treatment, the thawing treatment and the removal of the water-soluble polymer to obtain the objective fiber. |
