Table 4 The chemical formula and method of preparation of R-PTC.
From: Poplar-based thermochromic composites that change colour at 38 °C to 46 °C
Treatment method (s) | Chemicals (g, ml) | Temperature (°C) | Time (h) |
|---|---|---|---|
Pre-treatment of Sample 1 (dipping sample) | NaOCl (30 g), Deionised water (500 ml) | 15–25 | 48 |
Pre-treatment of sample 2 (steaming sample) | Deionised water (2500 ml) | 100–120 | 6 |
Preparation of R-TD and R-TD infiltration | C28H56O2 (10 g), C15H15N3O2 (0.1 g) | 75–80 | 2.5 |
Compaction and painting treatment | 15–25 | 0.5 |
