微表处高性能SBS改性乳化沥青制备工艺研究
发布时间：2018-08-21 09:27
【摘要】：采用正交试验法研究微表处高性能苯乙烯-丁二烯-苯乙烯嵌段共聚物(SBS)改性乳化沥青的制备工艺,依据微表处和改性乳化沥青的性能要求对其测试评价。最佳制备工艺为:改性剂用量以3%为基准以±l%进行试配,乳化剂A初始掺量为1.9%,稳定剂掺量2‰,油水比为60∶40,皂液温度为65℃,沥青温度为165℃,皂液pH值为1.5~2.5,乳化时间为5min,制得的高性能SBS改性乳化沥青成型的微表处混合料的可拌合时间为160s,粘结强度为1.3MPa,6d湿轮磨耗损失为628g/m~2,具有较好的性能。
[Abstract]:The preparation process of high performance styrene-butadiene-styrene block copolymer (SBS) modified emulsified asphalt at microsurface was studied by orthogonal test. The optimum preparation technology is as follows: the dosage of modifier is 3% and 卤1%, the initial amount of emulsifier A is 1.9%, the amount of stabilizer is 2 鈥，
本文编号：2195282
[Abstract]:The preparation process of high performance styrene-butadiene-styrene block copolymer (SBS) modified emulsified asphalt at microsurface was studied by orthogonal test. The optimum preparation technology is as follows: the dosage of modifier is 3% and 卤1%, the initial amount of emulsifier A is 1.9%, the amount of stabilizer is 2 鈥，
本文编号：2195282
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