| 摘要 |
PURPOSE: A method for manufacturing leather containing loess is provided to emit far infrared ray and to easily add loess to the leather. CONSTITUTION: A method for manufacturing leather containing loess comprises: a step of dipping the leather in a mixture solution of acidic solution and salt for 1-2 hours for elasticity; a step of pressing the leather with a roller to remove moisture; a step of cutting the leather; a step of dipping the leather in a mixture solution containing 1.0-4.0% of sodium bicarbonate, 1.0-4.0% of sodium formate, 1.0-4.0% of syntan, and 0.2-0.8% of detergent for 2-5 hours for softening the leather; a step of dipping a mixture solution containing 2.0-5.0% of dye, 7.0-9.0% of fatliquor, 1.0-3.0% of formic acid for 3-5 hours; a step of dying the leather; a step of unfolding the surface of the leather and scrubbing the surface of the leather for even surface; a step of coating the surface of the leather with a polyurethane ingredients; and a step of cutting unnecessary part of the leather. |
