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. 2017 Jul 28;7:6794. doi: 10.1038/s41598-017-06354-1

Table 1.

Polymers used in this study.

Polymera Diol:HDI:chain extenderb Mn(104)c PDIc N%d Contact angle (°)
PDLLA 5.843 1.14 92.7 ± 1.2
P-PUU-1 1:1.1:0.1 5.785 1.15 0.373% 88.1 ± 1.1
P-PUU-2 1:1.2:0.2 6.432 1.23 0.559% 86.5 ± 0.9
P-PUU-3 1:1.4:0.4 7.432 1.36 0.828% 84.8 ± 1.3

aSample code: see text. bThe molecular weight of PDLLA diol was 3592, measured by 1H NMR. cMeasured by gel permeation chromatography. dTested by XPS (1).