Polymers Based on Methacrylate Bearing Coumarin Side Group: Synthesis via Free Radical Polymerization, Monomer Reactivity Ratios, Dielectric Behavior, and Thermal Stabilities

<table class="table-group" id="tab5"><tr><td><table class="table"><tr><td class="thead-hr" colspan="4"><hr/></td></tr><tr class="thead"><td align="left">  Polymers</td><td align="center">Dielectric constant (<svg height="16.225" id="M73" style="vertical-align:-0.13794pt" version="1.1" viewbox="0 0 11.1875 16.225" width="11.1875" xmlns="http://www.w3.org/2000/svg">
<g transform="matrix(1.25,0,0,-1.25,0,16.225)">
<g transform="translate(72,-59.02)">
<text transform="matrix(1,0,0,-1,-71.95,59.21)">
<tspan style="font-size: 12.50px; " x="0" y="0">𝜀</tspan>
</text>
<text transform="matrix(1,0,0,-1,-65.9,67.71)">
<tspan style="font-size: 6.25px; " x="0" y="0">′</tspan>
</text>
</g>
</g>
</svg>) at 1 kHz</td><td align="center"><span style="width: 28.8125px;"><svg height="10.45" id="M74" style="vertical-align:-0.10033pt" version="1.1" viewbox="0 0 28.8125 10.45" width="28.8125" xmlns="http://www.w3.org/2000/svg">
<g transform="matrix(1.25,0,0,-1.25,0,10.45)">
<g transform="translate(72,-63.64)">
<text transform="matrix(1,0,0,-1,-71.95,63.79)">
<tspan style="font-size: 12.50px; " x="0" y="0">𝑀</tspan>
<tspan style="font-size: 12.50px; " x="12.565515" y="0">𝑛</tspan>
</text>
</g>
</g>
</svg> <svg height="13.45" id="M75" style="vertical-align:-2.21957pt" version="1.1" viewbox="0 0 106.7125 13.45" width="106.7125" xmlns="http://www.w3.org/2000/svg">
<g transform="matrix(1.25,0,0,-1.25,0,13.45)">
<g transform="translate(72,-61.24)">
<text transform="matrix(1,0,0,-1,-71.95,63.5)">
<tspan style="font-size: 12.50px; " x="0" y="0">(</tspan>
<tspan style="font-size: 12.50px; " x="4.1634989" y="0">𝐻</tspan>
<tspan style="font-size: 12.50px; " x="15.078618" y="0">𝐼</tspan>
<tspan style="font-size: 12.50px; " x="24.543388" y="0">=</tspan>
<tspan style="font-size: 12.50px; " x="36.583778" y="0">𝑀</tspan>
<tspan style="font-size: 12.50px; " x="49.149292" y="0">𝑤</tspan>
<tspan style="font-size: 12.50px; " x="58.839119" y="0">/</tspan>
<tspan style="font-size: 12.50px; " x="62.314953" y="0">𝑀</tspan>
<tspan style="font-size: 12.50px; " x="74.88047" y="0">𝑛</tspan>
<tspan style="font-size: 12.50px; " x="81.09446" y="0">)</tspan>
</text>
</g>
</g>
</svg></span></td><td align="center"><svg height="13.25" id="M76" style="vertical-align:-2.34499pt" version="1.1" viewbox="0 0 17.0375 13.25" width="17.0375" xmlns="http://www.w3.org/2000/svg">
<g transform="matrix(1.25,0,0,-1.25,0,13.25)">
<g transform="translate(72,-61.4)">
<text transform="matrix(1,0,0,-1,-71.95,63.79)">
<tspan style="font-size: 12.50px; " x="0" y="0">𝑇</tspan>
<tspan style="font-size: 12.50px; " x="6.8766499" y="0">𝑔</tspan>
</text>
</g>
</g>
</svg> (°C)</td></tr><tr><td class="thead-hr" colspan="4"><hr/></td></tr><tr><td align="left">Poly(MAOC)</td><td align="center">4,75</td><td align="center">30.700 (1,56)</td><td align="center">146</td></tr><tr><td align="left">Poly(MAOC-co-MMA0,19)</td><td align="center">4,18</td><td align="center">20.300 (1,68)</td><td align="center">138</td></tr><tr><td align="left">Poly(MAOC-co-EMA0,19)</td><td align="center">4,15</td><td align="center">32.300 (1,69)</td><td align="center">112</td></tr><tr><td align="left">Poly(MAOC-co-IBMA0,23)</td><td align="center">4,01</td><td align="center">28.800 (1,81)</td><td align="center">107</td></tr><tr class="table-tr"><td colspan="4"><hr class="tbody-hr"/></td></tr></table></td></tr></table>

Dielectric constant, GPC, and DSC data of the polymers.

International Scholarly Research Notices

tab5

Table 5

Table 5: Polymers Based on Methacrylate Bearing Coumarin Side Group: Synthesis via Free Radical Polymerization, Monomer Reactivity Ratios, Dielectric Behavior, and Thermal Stabilities 

Table 5 | Polymers Based on Methacrylate Bearing Coumarin Side Group: Synthesis via Free Radical Polymerization, Monomer Reactivity Ratios, Dielectric Behavior, and Thermal Stabilities 