| 摘要 |
<p>The present invention provides a method or mercerizing unregenerated cellulosic textile material derived from spun yarns comprising the steps of presenting the textile material for saturation with an alkaline swelling agent at a concentration of 8.75% or more and at a temperature of 50.degree.C or more for an immersion time of 10 seconds or less, and squeezing excess agent from the textile material, said agent being caustic soda, the material being cotton fabric. The invention also provides an apparatus for effecting the method which comprises means for saturating the textile material with the alkaline swelling agent whilst under controlled conditions of elevated temperature and minimum tension, heating means for controlling the temperature of saturation, means for squeezing off surplus treatment liquor, and means for controlling tension in the length direction between the said squeezing means and the entry to a subsequent controlled tension washing stage.</p> |
