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. 2020 Jun 30;12(7):1472. doi: 10.3390/polym12071472

Table 4.

Surface properties of PBS and PBS/cellulose composites.

Sample Distilled Water OWRK Zisman
Θ (deg) SD Tot (mN/m) rsd (mN/m) rsp (mN/m) γcr (mN/m)
PBS 77.1 1.4 43.7 40.4 3.3 43.4
40% NFC 76.4 1.0 42.3 39.0 3.3 41.9
7/3 75.4 0.7 41.7 38.4 3.3 41.3
5/5 73.5 1.1 41.5 37.5 4.0 39.5
3/7 75.0 0.8 42.9 39.1 3.8 41.6
40% MCC 76.9 1.7 42.5 39.2 3.3 42.6