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. 2019 Aug 20;12(16):2643. doi: 10.3390/ma12162643

Figure 1.

Figure 1

Summary of the manufacturing process of the bilayer membrane. (A) Synthesis of 4-arm hydroxyl-terminated polycaprolactone (PCL) and methacrylate terminalisation reaction (B) PCL polymerised high internal phase emulsion (polyHIPE) preparation process, (C) the polymerisation of PCL HIPEs to obtain PCL polyHIPE and slicing the samples, (D) air plasma treatment of PCL polyHIPE, (E) electrospinning of PCL on 250 µm thick PCL polyHIPE layer, (F) final representation of the bilayer barrier membrane (BM).