This paper discusses synthesis of high molecular polyacrylate sodium and molecular determination method,action mechanism as washing aid and high water absorbing resin also are disucssed.

• 介绍了高分子量聚丙烯酸钠的合成及分子量测定方法,以及聚丙烯酸钠作为助洗剂和高吸水性树脂的作用机理。