ESCA has been used in the present study to characterize the surface morphology of SPU samples with different degree of phase segregation.

• 本文用电子能谱(ESCA)研究了两种链结构SPU的表面化学组成,其目的是了解表面组成与其本体结构及性能的关系,并将SPU表面组成与本体的相分离程度联系起来。