| 摘要 |
The present invention relates to a method for enhancing dyeing properties in manufacturing synthetic polyester suede leather, and a step of preprocessing with an organic solvent by soaking a non-woven fabric in an organic solvent so as to pick up the organic solvent on the non-woven fabric and drying the same is conducted before a dying step. According to the present invention, dye uptake is increased in processing of dyeing, and thus color formation is improved and increase in color depth is easy to be done. Further, a small quantity of dye is used for expressing same color, and thus costs for materials can be reduced. |
