After hydrolysis of PtBA blocks, amphiphilic multiblock copolymer (PEO-b-PS-b-PAA-b-PS)n was obtained.

• 对PtBA嵌段进行水解，得到了含有聚丙烯酸嵌段的共聚物(PEO-b-PS-b-PAA-b-PS)n。