Application of surface treatment solution and surface treatment method of thermoplastic polyurethane sample using surface treatment solution

A surface treatment method of a thermoplastic polyurethane sample comprises the steps that (A), a surface treatment solution is provided, wherein the surface treatment solution comprises a first solvent, and the first solvent is an aprotic polar solvent containing di-C1-3 alkyl groups; (B), the thermoplastic polyurethane sample is placed in the surface treatment solution for surface treatment, wherein the treatment time of the surface treatment ranges from 3 seconds to 600 seconds; and (C), the surface-treated thermoplastic polyurethane sample is taken out from the surface treatment solution and dried, wherein the drying temperature is between 25 DEG C and 95 DEG C. The invention further provides application of the surface treatment solution which is used for surface treatment of the thermoplastic polyurethane sample. 一种热塑性聚氨酯样品的表面处理方法，包括下列步骤：(A)提供一表面处理溶液，其中该表面处理溶液包括：一第一溶剂，该第一溶剂为一含二C烷基的非质子极性溶剂；(B)将一热塑性聚氨酯样品置于表面处理溶液中以进行表面处理，其中表面处理的处理时间介于3秒至600秒之间；以及(C)将表面处理后的热塑性聚氨酯样品自表面处理溶液中取出并进行干燥，其中干燥温度介于25℃至95℃之间。本发明更提供前述表面