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

<table class="table-group" id="tab5"><tr><td><table class="table"><tr><td class="thead-hr" colspan="6"><hr/></td></tr><tr class="thead"><td class="align_left" rowspan="2">Composition</td><td class="align_center" colspan="5">Properties of polymers</td></tr><tr class="thead"><td class="align_center"><i>σ</i><sub>р</sub> (MPa)</td><td class="align_center"><i>ε</i><sub>р</sub> (%)</td><td class="align_center"><i>τ</i><sub>в</sub> (MPa)</td><td class="align_center"><i>σ</i><sub>р.о</sub> (MPa)</td><td class="align_center"><i>Т</i><sub>с</sub> (°C)</td></tr><tr><td class="thead-hr" colspan="6"><hr/></td></tr><tr><td class="align_left">ED-20 + DETA with 20% DCC/DEG-1</td><td class="align_center">88.3</td><td class="align_center">4.4</td><td class="align_center">22.8</td><td class="align_center">50.0</td><td class="align_center">68</td></tr><tr><td class="align_left">ED-20 + DETA with 20% DCC/DEG-1 and 4% LiCl</td><td class="align_center">62.4</td><td class="align_center">5.1</td><td class="align_center">20.5</td><td class="align_center">32.2</td><td class="align_center">38</td></tr><tr class="table-tr"><td colspan="6"><hr class="tbody-hr"/></td></tr></table></td></tr></table>

<div>Effect of blocking of urethane groups by LiCl on the epoxy polymer properties.</div>

Advances in Materials Science and Engineering

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Table 5

Table 5: Functional Modification Effect of Epoxy Oligomers on the Structure and Properties of Epoxy Hydroxyurethane Polymers 