Firstly the process development of the biological raw material of 1
3-PDO and bio-EG was summarized in this paper. The recently development of the two kinds of biological based polyester PTT and PDT was then introduced. The synthesis route
process conditions
as well as the improvements of spinning technology of the two kinds of biomass polyester was introduced. The properties of the two kinds of biomass polyester
PTT and PDT was compared with that of PET. Finally
the engineering industry prospects of the two new biomass polyester in future was forecast in this paper.