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. 2020 Aug 20;8:688. doi: 10.3389/fchem.2020.00688

Figure 2.

Figure 2

Schematic illustration of some representative processing techniques for preparing PLA materials with high degree of SC formation. (A) melt processing at a specific temperature window (Gao et al., 2019) (Reproduced with permission. Copyright 2017, Elsevier); (B) using homopolymer (He et al., 2019) (Reproduced with permission. Copyright 2016, Elsevier); (C) layer-by-layer inkjet printing (Mei et al., 2018) (Reproduced with permission. Copyright 2012, Wiley); and (D) electrospinning (Yu et al., 2018) (Reproduced with permission. Copyright 2018, ACS).