A astringent finishing agent for polyurethane basketball leather was prepared from a hydrophilic polyurethane resin,micronized polypropylene,and fibroin powder,etc.

• 以亲水性聚氨酯树脂、抗粘耐磨剂聚丙烯微粉、涩度改进剂丝肽粉等为原料,制备了一种用于聚氨酯篮球革表面的增涩整饰剂。