Table 2: Methods for the synthesis of the amphiphilic PHAs.

PHA Synthesis Product Reference PHB Transesterification with mPEG2000 (in melt) PHB-b-PEG [25] PHB Transesterification with PEG2000 (in solution) PHB-g-PEG [29] PHB Transesterification with Diethylene glycol (in melt) PHB-diol [26] PHO UV-irradiation with methacrylated-PEG PHO-g-PEG [53] PHU UV-irradiation with methacrylated-PEG PHO-g-PEG [54] PHO Free radical polymerization with acrylate PHO-g-Poly-glycerol diacrylate [55] PHA-un- Free radical polymerization with saturated polyazoester based on PEG PHA-g-PEG [50] PHOU Epoxidation and reaction with diethanol amine PHA with pendant amine side groups [42] PHOU Epoxidation and reaction with hexamethylene diamine Cross-linked PHOU [41] PHB Condensation with chitosan PHB-g-chitosan [45] PHO Condensation with chitosan PHO-chitosan [46] PHOU Hydroxylation of the double bonds PHOU with pendant-OH [34, 37, 38] PHOU Carboxylation of the double bonds PHOU with pendant-COOH [35, 36] PHB Urethane formation of PHB and PCL containing dihydroxyl ends PHB-g-PCL [27, 28] PHOU Thiol addition of thio-maltose to double bonds PHOU-g-sugar [48] PHOU Esterification of carboxylated PHOU with PEG PHOU-g- PEG [56]