Table 1.
Comparison of microcapsules with SABs and LWAs.
| Category | Size | Surface | Shape | Structure | Expansion in water | Autogenous shrinkage | Strength | |
|---|---|---|---|---|---|---|---|---|
| This study | Microcapsule | 44.3-115.8 μm | Smooth | Sphere | Core-shell | No | 95% down | 10% up |
| Justs3 | SAP | 250 μm (dry) | Rough | Angularity | Solid | Yes | 82% down | 9% down |
| Sensale24 | SAP | 45-150 μm (dry) | Rough | Angularity | Solid | Yes | 43% down | 3% down |
| Sensale24 | LWA | 1-2 mm | Rough | Angularity | Solid | No | 57% down | 16% down |
| Zhutovsky22 | LWA | 2.36-4.75 mm | Rough | Angularity | Solid | No | 80% down | 10% down |