We described the synthesis of PGA via an azeotropic distillation method that enables tunable molecular weights. This alternative method produces a white powdered PGA rather than a waxy brown product that is obtained by conventional melt-solid condensation methods. Additionally, improved solubility renders this method useful for producing soluble high molecular weight PGA for further applications. Highly crystalline PGA with a high molecular weight (Mn = 32,100 g/mol) was obtained with a homogenous polydispersity index of 1.2–1.4.
- Vildan Sanko
- Isa Sahin
- Serdar Sezer