Table 6 Comparison of compressive strength of PAAm-MSiO2 hydrogels prepared by varying particle sizes of MSiO2 (117.5 nm, 216.5 nm, and 311.5 nm).

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)

Compressive strength (kPa)

Young’s modulus (kPa)

PAAm (3 M)-MSiO2 117.5 nm

4

18

0.11

PAAm (3 M)-MSiO2 216.5 nm

4

26

0.10

PAAm (3 M)-MSiO2 311.5 nm

6

34

0.19

PAAm (4 M)-MSiO2 117.5 nm

5

26

0.15

PAAm (4 M)-MSiO2 216.5 nm

9

44

0.18

PAAm (4 M)-MSiO2 311.5 nm

9

46

0.27

PAAm (5 M)-MSiO2 117.5 nm

8

43

0.25

PAAm (5 M)-MSiO2 216.5 nm

10

49

0.27

PAAm (5 M)-MSiO2 311.5 nm

16

78

0.41

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