Separation of Poly(styrene-<i>block-t</i>-butyl methacrylate) Copolymers by Various Liquid Chromatography Techniques

<table class="table-group" id="tab2"><tr><td><table class="table"><tr><td class="thead-hr" colspan="5"><hr/></td></tr><tr><td align="left" rowspan="2">Column</td><td align="center" colspan="2">Spot 1 (copolymer 3)</td><td align="center" colspan="2">Spot 2 (copolymers 1 and 2)</td></tr><tr><td align="center"><svg height="14.325" id="M45" style="vertical-align:-3.20526pt" version="1.1" viewbox="0 0 21.887501 14.325" width="21.887501" xmlns="http://www.w3.org/2000/svg">
<g transform="matrix(1.25,0,0,-1.25,0,14.325)">
<g transform="translate(72,-60.54)">
<text transform="matrix(1,0,0,-1,-71.95,63.79)">
<tspan style="font-size: 12.50px; " x="0" y="0">𝑀</tspan>
</text>
<text transform="matrix(1,0,0,-1,-59.38,60.66)">
<tspan style="font-size: 8.75px; " x="0" y="0">𝑛</tspan>
</text>
</g>
</g>
</svg> (kDa)</td><td align="center"><svg height="14.325" id="M46" style="vertical-align:-3.20526pt" version="1.1" viewbox="0 0 21.887501 14.325" width="21.887501" xmlns="http://www.w3.org/2000/svg">
<g transform="matrix(1.25,0,0,-1.25,0,14.325)">
<g transform="translate(72,-60.54)">
<text transform="matrix(1,0,0,-1,-71.95,63.79)">
<tspan style="font-size: 12.50px; " x="0" y="0">𝑀</tspan>
</text>
<text transform="matrix(1,0,0,-1,-59.38,60.66)">
<tspan style="font-size: 8.75px; " x="0" y="0">𝑛</tspan>
</text>
</g>
</g>
</svg> (kDa)</td><td align="center"><svg height="14.3375" id="M47" style="vertical-align:-3.21404pt" version="1.1" viewbox="0 0 24.9375 14.3375" width="24.9375" xmlns="http://www.w3.org/2000/svg">
<g transform="matrix(1.25,0,0,-1.25,0,14.3375)">
<g transform="translate(72,-60.53)">
<text transform="matrix(1,0,0,-1,-71.95,63.79)">
<tspan style="font-size: 12.50px; " x="0" y="0">𝑀</tspan>
</text>
<text transform="matrix(1,0,0,-1,-59.38,60.66)">
<tspan style="font-size: 8.75px; " x="0" y="0">𝑤</tspan>
</text>
</g>
</g>
</svg> (kDa)</td><td align="center"><svg height="14.325" id="M48" style="vertical-align:-3.20526pt" version="1.1" viewbox="0 0 21.887501 14.325" width="21.887501" xmlns="http://www.w3.org/2000/svg">
<g transform="matrix(1.25,0,0,-1.25,0,14.325)">
<g transform="translate(72,-60.54)">
<text transform="matrix(1,0,0,-1,-71.95,63.79)">
<tspan style="font-size: 12.50px; " x="0" y="0">𝑀</tspan>
</text>
<text transform="matrix(1,0,0,-1,-59.38,60.66)">
<tspan style="font-size: 8.75px; " x="0" y="0">𝑛</tspan>
</text>
</g>
</g>
</svg> (kDa)</td></tr><tr><td align="center" colspan="5"><hr/></td></tr><tr><td align="left"> Nucleosil C18</td><td align="center"> 71.2</td><td align="center"> 66.4</td><td align="center"> 38.1</td><td align="center"> 35.7</td></tr><tr><td align="left"> Zorbax C8</td><td align="center"> 67.0</td><td align="center"> 64.7</td><td align="center"> 39.5</td><td align="center"> 37.1</td></tr><tr class="table-tr"><td colspan="5"><hr class="tbody-hr"/></td></tr></table></td></tr></table>

Molar-mass averages of the mixture of block copolymers determined by the 2D-LC and the calibration of SEC columns using PS standards.

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tab2

Table 2

Table 2: Separation of Poly(styrene-<i>block-t</i>-butyl methacrylate) Copolymers by Various Liquid Chromatography Techniques 

The Scientific World Journal

Separation of Poly(styrene-block-t-butyl methacrylate) Copolymers by Various Liquid Chromatography Techniques

Table 2