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. 2022 Dec 21;13(1):506–515. doi: 10.1039/d2ra06862a

Gel content (%) and water absorption capacity (%) of PU samples.

Samples Gel content (%) Water absorption capacity (%)
0 h 1 h 2 h 3 h 4 h 24 h 48 h
HSSO-PU 99.27 0 3.9 4.09 4.09 9.42 9.71 14.94
Or–HSSO-PU 97.66 0 0.47 1.42 4.42 3.63a 7.4a 5.53a
Or-PU 98.32 0 3.14 5.45 6.7 7.54 10.06 15.01
a

Dissolution was observed for a small portion of sample.