Sr. No | Properties | PVAc Homo | VAc-VAE Hybrid-01 | VAc-VAE Hybrid-02 |
1 | % Solid | 47.0 ± 0.1 | 47.1 ± 0.1 | 47.3 ± 0.1 |
2 | Viscosity (P) | 400 ± 10 | 345 ± 10 | 300 ± 10 |
3 | pH | 4.90 ± 0.1 | 4.50 ± 0.1 | 4.50 ± 0.1 |
4 | Drying time on glass plate (min.) (% relative humidity- 70% Temperature- 30˚C) | 35 - 37 | 33 - 35 | 30 - 33 |
5 | Film Hardness | 2H | 2H | H |
6 | Glass transition temperature (˚C) | 39.4 | 33.76 | 32.43 |
7 | Contact angle (˚) | 45.7 ± 1.29 | 59 ± 1.29 | 63 ± 1.29 |
8 | Tensile share strength (Dry) (MPa) 6 hr
24 hr
7 Days
|
3.27 ± 0.4 100%BF 6.08 ± 0.4 50%SF 6.39 ± 0.4 100%SF |
2.94 ± 0.4 100%BF 5.62 ± 0.4 50%SF 6.53 ± 0.4 100%SF |
2.50 ± 0.4 100%BF 4.94 ± 0.4 50%SF 5.92 ± 0.4 100%SF |
9 | Wet strength (7 days RT + 24 hrs in cold water) (MPa) | 1.15 ± 0.3 100%BF | 1.35 ± 0.3 100%BF | 1.57 ± 0.3 100%BF |
10 | Heat resistance as per DIN EN 14257 (MPa) | 2.7 ± 0.3 100%BF | 2.33 ± 0.3 100%BF | 1.99 ± 0.3 100%BF |