Bitumen-Biopolymer Materials Modified with Polylactic Acid with Improved Physical and Chemical Properties

<table class="table-group" id="tab4"><tr><td><table class="table"><tr><td class="thead-hr" colspan="4"><hr/></td></tr><tr class="thead"><td class="align_left" rowspan="2">PLA (%)</td><td class="align_center" colspan="3">Stability during storage (°C)</td></tr><tr class="thead"><td class="align_center">Top</td><td class="align_center">Bottom</td><td class="align_center">Difference</td></tr><tr><td class="thead-hr" colspan="4"><hr/></td></tr><tr><td class="align_left">0</td><td class="align_center">—</td><td class="align_center">—</td><td class="align_center">—</td></tr><tr><td class="align_left">4</td><td class="align_center">51</td><td class="align_center">52</td><td class="align_center">1</td></tr><tr><td class="align_left">6</td><td class="align_center">59</td><td class="align_center">61</td><td class="align_center">10</td></tr><tr><td class="align_left">8</td><td class="align_center">60</td><td class="align_center">62</td><td class="align_center">2</td></tr><tr><td class="align_left">10</td><td class="align_center">69</td><td class="align_center">73</td><td class="align_center">4</td></tr><tr class="table-tr"><td colspan="4"><hr class="tbody-hr"/></td></tr></table></td></tr></table>

<div>Ductility and stability of bitumen during storage.</div>

Advances in Polymer Technology

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Table 4

Table 4: Bitumen-Biopolymer Materials Modified with Polylactic Acid with Improved Physical and Chemical Properties 