Mechanical properties of pHEMA hydrogels prepared with different water contents in reaction mixture

Water content in reaction mixture (%)Tensile modulus (kPa)Ultimate tensile strength (kPa)
44548.6 ± 23.4442.1 ± 75.1
50570.9 ± 92.1501.8 ± 93.7
55431.4 ± 7.5289.1 ± 13.7
58383.2 ± 18.9283.1 ± 35.1