Poly (dllactidecoglycolide), a new medicinal sustained material was prepared from hydroxyacetic acid copolymerized with 2hydroxypropionic acid by one step process in 62.
由羟基乙酸和羟基丙酸一步共聚而成新型医用生物降解材料乙交酯丙交酯共聚物。
The title OH-terminated hyperbranched polyester was synthesized based on NPG and DMPA type monomer by one-pot process,which is charaterized by use of FTIR,~(13)CNMR and ~(1)HNMR.
以新戊二醇和二羟基丙酸作为合成单体,二甲苯作为溶剂,对甲基苯磺酸作为催化剂,采用一步法合成了具有不同代数的端羟基超支化聚酯。