Effects of UV Aging on Physical Properties and Physicochemical Properties of ASA Polymer-Modified Asphalt

<table class="table-group" id="tab5"><tr><td><table class="table"><tr><td class="thead-hr" colspan="4"><hr/></td></tr><tr><td class="align_left" rowspan="2">Aging time</td><td class="align_center" colspan="3">Functional group index</td></tr><tr><td class="align_center"><span style="width: 23.7488ptpx;"><svg height="11.927pt" id="M3" style="vertical-align:-3.291101pt" version="1.1" viewbox="-0.0498162 -8.6359 23.7488 11.927" width="23.7488pt" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink"><g transform="matrix(.013,0,0,-0.013,0,0)"><path d="M405 650H141L135 622C222 616 230 610 215 535L133 116C118 41 113 33 29 28L23 0H289L295 28C209 33 205 40 219 116L298 535C312 609 317 616 399 622L405 650Z"></path></g><g transform="matrix(.0091,0,0,-0.0091,4.719,3.132)"><path d="M690 629C653 643 577 667 483 667C225 667 24 528 24 292C24 92 174 -17 367 -17C448 -17 534 1 570 10C592 34 642 131 658 174C648 180 639 186 629 192C562 89 499 21 382 21C223 21 130 138 130 298C130 467 255 627 462 627C582 627 643 589 650 462L686 466C689 517 688 580 690 629Z"></path></g><g transform="matrix(.0091,0,0,-0.0091,10.88,3.132)"><path d="M556 331V384H55V331H556ZM556 140V193H55V140H556Z"></path></g><g transform="matrix(.0091,0,0,-0.0091,16.44,3.132)"><path d="M750 359C750 550 603 667 427 667C199 667 24 499 24 287C24 100 166 -17 344 -17C573 -17 750 136 750 359ZM645 356C645 196 538 24 350 24C205 24 127 136 127 285C127 471 247 626 422 626C571 626 645 521 645 356Z"></path></g></svg></span></td><td class="align_center"><span style="width: 15.8934ptpx;"><svg height="11.927pt" id="M4" style="vertical-align:-3.291101pt" version="1.1" viewbox="-0.0498162 -8.6359 15.8934 11.927" width="15.8934pt" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink"><g transform="matrix(.013,0,0,-0.013,0,0)"><path d="M405 650H141L135 622C222 616 230 610 215 535L133 116C118 41 113 33 29 28L23 0H289L295 28C209 33 205 40 219 116L298 535C312 609 317 616 399 622L405 650Z"></path></g><g transform="matrix(.0091,0,0,-0.0091,4.719,3.132)"><path d="M722 32C646 41 636 48 622 116L544 496L509 667L472 658L153 123C106 45 93 42 27 32L18 0H259L268 32C178 40 172 48 204 107L272 233H509C523 180 533 137 540 96C548 50 546 39 466 32L457 0H714L722 32ZM502 283H299L448 547H450L502 283Z"></path></g><g transform="matrix(.0091,0,0,-0.0091,11.351,3.132)"><path d="M397 380C406 395 404 411 396 425S369 451 350 451C302 451 239 372 192 294H189L199 338C214 407 207 451 180 451C152 451 83 405 30 345L48 318C87 354 117 372 125 372S135 362 127 324L55 -5L61 -12C87 -5 117 3 139 5C154 87 168 162 179 207C198 250 240 310 260 332C281 355 297 366 307 366C321 366 333 360 347 346C351 342 360 342 369 348C379 355 389 366 397 380Z"></path></g></svg></span></td><td class="align_center"><span style="width: 21.9311ptpx;"><svg height="11.927pt" id="M5" style="vertical-align:-3.291101pt" version="1.1" viewbox="-0.0498162 -8.6359 21.9311 11.927" width="21.9311pt" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink"><g transform="matrix(.013,0,0,-0.013,0,0)"><path d="M405 650H141L135 622C222 616 230 610 215 535L133 116C118 41 113 33 29 28L23 0H289L295 28C209 33 205 40 219 116L298 535C312 609 317 616 399 622L405 650Z"></path></g><g transform="matrix(.0091,0,0,-0.0091,4.719,3.132)"><path d="M463 633C453 636 427 644 417 648C388 660 349 667 316 667C183 667 100 592 100 483C100 398 176 335 223 305L259 282C321 242 358 203 358 149C358 66 301 22 234 22C110 22 70 131 57 208L24 205L28 48C51 23 128 -17 215 -17C342 -17 446 60 446 174C446 262 394 310 317 361L284 383C229 420 183 455 183 515C183 569 222 628 298 628C384 628 418 563 428 481L461 487C459 527 458 593 463 633Z"></path></g><g transform="matrix(.0091,0,0,-0.0091,9.069,3.132)"><path d="M556 331V384H55V331H556ZM556 140V193H55V140H556Z"></path></g><g transform="matrix(.0091,0,0,-0.0091,14.629,3.132)"><path d="M750 359C750 550 603 667 427 667C199 667 24 499 24 287C24 100 166 -17 344 -17C573 -17 750 136 750 359ZM645 356C645 196 538 24 350 24C205 24 127 136 127 285C127 471 247 626 422 626C571 626 645 521 645 356Z"></path></g></svg></span></td></tr><tr><td class="align_left" colspan="4"><hr/></td></tr><tr><td class="align_left">76.25 h</td><td class="align_center">0.05</td><td class="align_center">0.025</td><td class="align_center">0.05</td></tr><tr><td class="align_left">152.5 h</td><td class="align_center">0.051</td><td class="align_center">0.051</td><td class="align_center">0.051</td></tr><tr><td class="align_left">228 h</td><td class="align_center">0.062</td><td class="align_center">0.029</td><td class="align_center">0.057</td></tr><tr><td class="align_left">305 h</td><td class="align_center">0.047</td><td class="align_center">0.034</td><td class="align_center">0.049</td></tr><tr class="table-tr"><td colspan="4"><hr class="tbody-hr"/></td></tr></table></td></tr></table>

<div>Functional group index of 70# base asphalt at different UV aging stages.</div>

Advances in Materials Science and Engineering

tab5

Table 5

Table 5: Effects of UV Aging on Physical Properties and Physicochemical Properties of ASA Polymer-Modified Asphalt 