Table 2 Comparison of tensile and compressive properties of PAAm-BIS and PAAm-MSiO2 hydrogels prepared by changing the concentration of AAm, BIS, and MSiO2.

From: Effect of sizes of vinyl modified narrow-dispersed silica cross-linker on the mechanical properties of acrylamide based hydrogel

Hydrogel code

Toughness (kJ/m3)

Tensile strength (kPa)

Compressive strength (kPa)

Young modulus (kPa)

Elongation at break (%)

Tension

Compression

Tension

Compression

Tension

Compression

PAAm (4 M)-BIS 1.00%

203

14

65.00

101

2.12

1.63

150

38

PAAm (4 M)-MSiO2 1.00%

453*

14

20.99*

65

0.24

0.46

No break

No break

PAAm (2 M)-BIS 1.00%

41

10

18.00

57

0.44

0.66

144

45

PAAm (3 M)-MSiO2 0.75%

231*

9

11.20*

26

0.11

0.11

No break

No break

  1. *Due to the maximum limit of the instruments, the parameter has to be calculated after 24 times of elongation without a break in samples.
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