Application of dyeing solution and method for dyeing thermoplastic polyurethane samples using same

A method for dyeing a thermoplastic polyurethane sample comprises the steps: (A) providing a dyeing solution, wherein the dyeing solution comprises a dye and water; (B) heating the dyeing solution to90 DEG C and above; (C) soaking a thermoplastic polyurethane sample in the heated dyeing solution for longer than 10 minutes; and (D) taking out the dyed thermoplastic polyurethane sample. In addition, the invention further provides application of the dyeing solution to dyeing a thermoplastic polyurethane sample. 一种热塑性聚氨酯样品的染色方法，包括下列步骤：(A)提供一染色溶液，染色溶液包括一染料及水；(B)加热染色溶液至90℃以上；(C)将一热塑性聚氨酯样品浸泡于加热后的染色溶液中，而浸泡时间为10分钟以上；以及(D)取出染色后的热塑性聚氨酯样品。此外，本发明更提供前述染色溶液的用途，其是用于一热塑性聚氨酯样品的染色上。