A serial amphiphilic graft copolymers with different molecular weight named as PEO-g-PS were prepared.

• 利用共聚物的链侧的TEMPO自由基，来调控苯乙烯进行氮氧稳定自由基聚合，得到一系列不同主干链长和侧链链长的两亲性接枝共聚物PEO-g-PS。