The adsorption configuration and molecular motion behavior of sodium polyacrylate (Na-PA) at Al2O3/water interface were investigated by using the electron spin resonance (ESR) combined with spin-labeling technique.

• 采用电子自旋共振技术结合自旋标记方法研究了聚丙烯酸钠在Al2O3/水界面吸附的分子构型和运动行为。