Research Article
Frost-Resistant Epoxy-Urethane Binders Containing Diglycidyl Urethane
Table 1
Properties of the synthesized oligomers.
| EUO | NCO : OH molar ratio at the pseudo-prepolymer synthesis | Content of free functional groups in oligomer (%) | Isocyanate (in pseudo-prepolymers) | Epoxy (in EUO) | Calculated | Experimental | Calculated | Experimental |
| EUO-1 | 2.03 | 4.79 | 4.75 | 4.52 | 4.23 | EUO-2 | 2.43 | 6.56 | 6.49 | 5.71 | 5.27 | EUO-3 | 2.73 | 7.72 | 7.62 | 6.56 | 6.39 | EUO-4 | 3.03 | 8.81 | 8.92 | 7.87 | 8.03 | EUO-5 | 4.03 | 12.07 | 12.22 | 10.28 | 10.41 |
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