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. 2020 Aug 24;12(9):1897. doi: 10.3390/polym12091897

Figure 11.

Figure 11

Polarizing light microscopy (PLM) image of PBT-co-PTMEG at the selected temperature: (a) PBT (b) PBT-co-PTMEG-10, and (c) PBT-co-PTMEG-40.