Functional Modification Effect of Epoxy Oligomers on the Structure and Properties of Epoxy Hydroxyurethane Polymers

Figure 4

Change in the transverse relaxation times (a–d) and the protons population of the mobile “phase” (a–d) during the curing of ED-20 + DCC/DEG-1 + DETA with the content of DCC/DEG-1: 0% (a, a′), 10% (b, b′), 20% (c, c′), and 50% (d, d′).