The deaggregation can be realized by adding sodium trifluoroacetate(NaTFA)in POM-HFIP system, thus the reliable GPC chromatogram can be obtained.

• 对共聚甲醛GPC淋洗曲线上的异常小峰从聚合机理角度进行了探讨，推测得到小峰所对应的物质。