A hyperbranched macromonomer(3) was synthesized with maleic anhydride, diethanolamine, o-phthalic anhydride by step polymerization, take advantage of the different activities of functional groups.

• 以顺丁烯二酸酐、二乙醇胺、邻苯二甲酸酐等为原料，利用官能团活性的差异，通过逐步展开的方法合成了含有双键和端羟基的聚（酯-酰胺）型分子结构的超支化大单体(3)。