Table 1.
Sample no. | Type of diisocyanate | Type of polyol | Type of chain extender | Two theta angles, grad | Crystallisation degree, % | Two theta angle, grad | Crystallisation degree, % |
---|---|---|---|---|---|---|---|
Synthesis in dioxane | Synthesis in chlorobenzene | ||||||
PU-1 | MDI | POG 2,000 | N-MDA | 19.48, 23.61 | 23.31 | 19.52, 23.64 | 25.80 |
26.81, 27.52 | 26.94, 29.83 | ||||||
29.76, 36.17 | 36.22, 43.59 | ||||||
21.02, 44.62 | 21.48, 44.65 | ||||||
PU-2 | N-BDA | ||||||
PU-3 | TFBD | 19.34,23.47 | 19.16 | ||||
26.72,36.03 | |||||||
61.61,20.89 | |||||||
44.28, | |||||||
PU-4 | POG 600 | BD | 6.7, 29.17 | 4.92 | |||
29.49, 39.21 | |||||||
42.95, 47.32 | |||||||
48.32, 57.21 | |||||||
65.1, 20.79 | |||||||
44.32 | |||||||
PU-5 | TFBD | ||||||
PU-6 | IPDI | POG 2,000 | BD | 19.41, 23.54 | 34.06 | ||
26.79, 36.12 | |||||||
43.07, 49.53 | |||||||
20.43 | |||||||
PU-7 | N-MDA | ||||||
PU-8 | N-BDA | ||||||
PU-9 | TDI | POG 2,000 | BD | 19.25, 23.37 | 31.82 | ||
26.55, 29.14 | |||||||
35.92, 39.15 | |||||||
42.9, 47.25 | |||||||
48.27, 50.23 | |||||||
57.16, 60.77 | |||||||
20.35 | |||||||
PU-10 | HDI | POG 2,000 | BD | ||||
PU-11 | N-MDA |