The said process can make sofa leatherette with high resistance to acid, alkali, chemicals, light, wear and hydrolysis and high color fastness.

• 本发明的方法制备的沙发革表面具有很好的耐酸、耐碱性、耐化学药品性、耐光性、耐磨耗性及耐水解性，且表面具有良好的颜色牢度。