Wet dyeing and finishing method for low-dye yellowing-resistant white leather

The invention relates to the technical field of leather production, and provides a low-dye yellowing-resistant white real leather wet dyeing and finishing method. The method sequentially comprises the following steps: taking chrome-free tanned wet white leather, squeezing water, shaving, weighing, putting into a drum, degreasing, washing 1, neutralizing, retanning and filling, fatliquoring and washing 2. Tara tannin extract, cashew tannin extract and white tannin are used for dyeing white leather, modified nano titanium dioxide is used for increasing the whiteness of the leather and improving the yellowing resistance of the leather, and the leather obtained through the method is healthy, environmentally friendly and good in yellowing resistance. 本发明涉及皮革生产技术领域，提供一种低染料耐黄变白色真皮湿态染整方法。依次包括如下工序：取无铬鞣白湿革，挤水、削匀、称重、投鼓、脱脂、水洗1、中和、复鞣填充、加脂、水洗2。使用塔拉栲胶、腰果栲胶、白丹宁进行白色皮革染色，使用改性纳米二氧化钛增加皮革白度同时提高皮革的耐黄变性能，本方法所得皮革健康环保、皮革耐黄变性能好。