The component with amido bond such as T4T and T2T are synthesized at first,then it is polymerized with EG in a given of amount of substance ratio to prepare amide modified polyester.

• 首先合成了含有酰胺键的组分T4T、T2T,然后按一定物质的量比将T4T、T2T分别与EG反应制备含有酰胺键的改性聚酯。