Preparation and Characteristic of Polyurethane Powder Adhesives with Heating Resistance Modified by Nanosilica

<table class="table-group" id="tab3"><tr><td><table class="table"><tr><td class="thead-hr" colspan="4"><hr/></td></tr><tr class="thead"><td class="align_left" rowspan="2">Sample</td><td class="align_center" rowspan="2">Nanosilica (%)</td><td class="align_center" colspan="2">T-peel strength (N cm<sup>-1</sup>)</td></tr><tr class="thead"><td class="align_center">Original</td><td class="align_center">Second</td></tr><tr><td class="thead-hr" colspan="4"><hr/></td></tr><tr><td class="align_left">PPU</td><td class="align_center">0</td><td class="align_center">61.4</td><td class="align_center">21.9</td></tr><tr><td class="align_left">PPSY1</td><td class="align_center">1%</td><td class="align_center">84.4</td><td class="align_center">69.6</td></tr><tr><td class="align_left">PPSY2</td><td class="align_center">2%</td><td class="align_center">73.2</td><td class="align_center">53.6</td></tr><tr><td class="align_left">PPSY3</td><td class="align_center">3%</td><td class="align_center">68.3</td><td class="align_center">49.3</td></tr><tr class="table-tr"><td colspan="4"><hr class="tbody-hr"/></td></tr></table></td></tr></table>

<div>The effect of nanosilica content on the T-peel strength.</div>

Advances in Polymer Technology

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Table 3

Table 3: Preparation and Characteristic of Polyurethane Powder Adhesives with Heating Resistance Modified by Nanosilica 