Table 2.
Orthogonal experiments.
| Synthetic parameters | Characterization results | ||||||
|---|---|---|---|---|---|---|---|
| A | B | C | D | Encapsulation results | Situation of microcapsules | Size distribution (μm) |
Mean size (μm) |
| 1 | 1 | 1 | 1 | Failure | — | — | — |
| 1 | 2 | 31 | 2 | Good | Sphere or ellipsoid, no adhesion | 50~630 | 200 |
| 1 | 2 | 2 | Failure | — | — | — | |
| 1 | 3 | 3 | 2 | Good | Perfect sphere, no adhesion | 100~400 | 300 |
| 2 | 2 | 3 | 1 | Failure | — | — | — |
| 2 | 3 | 2 | 2 | General | Slight adhesion | 80~350 | 280 |
| 3 | 1 | 3 | 2 | Failure | Serious adhesion | 250~1000 | 600 |
| 3 | 2 | 2 | 1 | Failure | — | — | — |
| 3 | 3 | 2 | 2 | Failure | Serious adhesion | 110~480 | 330 |