| 摘要 |
PURPOSE:To obtain a method for pretreating fibers so as not to provide shading, i.e., uneven dyeing by subjecting a raw material to pretreatment before dissolving a dye in hot water in dyeing natural or chemical fiber. CONSTITUTION:A method for dyeing pretreatment of fibers is to immerse a raw material in hot water, then add an acrylic acid polymer into the hot water and dilute the polymer. After a prescribed time, a dye and an additive are dissolved in the hot water. |
