Table 2.
Mechanical properties and characterization methods for various hydrogels.
| Hydrogel | Mechanical characterization method | Properties determined | Reference |
|---|---|---|---|
| Alginate | Compression test | Compressive modulus and strength | [265,266] |
| Chitosan | Tensile and compression test | Tensile and compressive strength | [267] |
| Gelatin | Rheological and tensile test | Loss and storage modulus, tensile strength | [268] |
| Agarose | Rheological, compression and tensile test | Loss and storage modulus, tensile and compressive strength | [269,270] |
| Collagen | Rheological and tensile test | Loss and storage modulus, tensile strength, ultimate strain, resilience, toughness | [271,272] |
| Poly(ethylene glycol) | Rheological and confined compression test | Loss and storage modulus, loss tangent, elastic modulus | [273] |
| Poly(ethylene oxide) | Tensile test | Elastic modulus, tensile strength | [274] |
| Poly vinyl alcohol | Tensile test | Percentage elongation, elastic modulus, tensile strength, toughness | [275,276] |
| PCL | Tensile test | Tensile and yield strength, elastic modulus, percentage elongation | [277,278] |
| Polylactic acid | Tensile, bending, shear and impact test | Yield strength, elastic modulus, percentage elongation, flexural strength and modulus, shear strength, impact strength | [279,280] |