The existence of PNIPAAm grafted polymer layer was confirmed by FTIR,ESCA and SEM measurements.

• 红外光谱 (FTIR)、X射线光电子能谱化学分析 (ESCA)和扫描电子显微镜 (SEM)等对接枝层组成的表征结果证实了接枝层的存在 .