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)。