Design and Synthesis of Functional Silsesquioxane-Based Hybrids by Hydrolytic Condensation of Bulky Triethoxysilanes

<table class="table-group" width="800px"><tr class="fig-image" id="a"><td><img alt="173624.fig.006a" src="https://static.hindawi.com/articles/ijps/volume-2012/173624/figures/173624.fig.006a.jpg"/></td></tr><tr class="fig-caption"><td align="center"><table><tr><td><b>(a) </b>Cocondensation of Si(OEt)<sub>4</sub> with the triethoxysilane precursor</td></tr></table></td></tr><tr class="fig-image" id="b"><td><img alt="173624.fig.006b" src="https://static.hindawi.com/articles/ijps/volume-2012/173624/figures/173624.fig.006b.jpg"/></td></tr><tr class="fig-caption"><td align="center"><table><tr><td><b>(b) </b>Cocondensation of Ti(<svg height="16.137501" id="M16" style="vertical-align:-0.20473pt" version="1.1" viewbox="0 0 16.637501 16.137501" width="16.637501" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
<g transform="matrix(.017,0,0,-.017,.062,15.825)"><path d="M381 665q131 0 226.5 -93t95.5 -239q0 -158 -96 -253t-238 -95q-137 0 -231 95t-94 238q0 142 92.5 244.5t244.5 102.5zM359 629q-89 0 -151 -74.5t-62 -208.5q0 -141 69 -233t175 -92q90 0 150.5 74t60.5 211q0 152 -69 237.5t-173 85.5z" id="x4F"></path></g>
<g transform="matrix(.012,0,0,-.012,12.763,7.663)"><path d="M135 536q-20 0 -35 15.5t-15 35.5q0 22 15 37t36 15t35.5 -15t14.5 -37q0 -21 -15 -36t-36 -15zM252 0h-220v26q48 5 59 17t11 63v206q0 47 -9 58t-54 18v24q78 12 142 39v-345q0 -51 11.5 -63t59.5 -17v-26z" id="x69"></path></g>
</svg>Pr)<sub>4</sub> with the triethoxysilane in the presence of acetylacetone</td></tr></table></td></tr></table>

<table>Synthesis of hybrid nanoparticles by cocondensation of the hydroxyl-functionalized triethoxysilane precursor derived from 2-hydroxyethyl acrylate (HEA).</table>

International Journal of Polymer Science

fig6

Figure 6

Figure 6: Design and Synthesis of Functional Silsesquioxane-Based Hybrids by Hydrolytic Condensation of Bulky Triethoxysilanes 