一种用于微表处的乳化SBS改性沥青的试验研究
发布时间：2019-07-20 21:23
【摘要】：通过添加降粘剂、复配乳化剂及其他添加剂等对适用于微表处混合料的乳化SBS改性沥青进行试验研究,按照微表处混合料试验方法对乳化SBS改性沥青进行性能评价,研究结果表明:制作微表处混合料的SBS改性沥青135℃运动粘度宜控制在0.8~1.0Pa·s范围内;采用提高SBS改性剂掺量同时添加降粘剂将粘度降至适宜乳化的粘度范围的办法可以制备适用于微表处的乳化SBS改性沥青;通常情况下采用复配的乳化剂比采用单一的乳化剂制备的乳化SBS改性沥青乳液体系更稳定;乳化SBS改性沥青微表处混合料相比传统SBR改性乳化沥青微表处混合料具有更好的粘结强度、抗水损坏能力、抗高温变形能力及耐久性。
[Abstract]:The emulsified SBS modified asphalt suitable for micro-surface mixture was studied by adding viscosity reducer, compound emulsifier and other additives. the performance of emulsified SBS modified asphalt was evaluated according to the test method of micro-surface mixture. The results showed that the kinematic viscosity of SBS modified asphalt at 135 鈩，
本文编号：2516914
[Abstract]:The emulsified SBS modified asphalt suitable for micro-surface mixture was studied by adding viscosity reducer, compound emulsifier and other additives. the performance of emulsified SBS modified asphalt was evaluated according to the test method of micro-surface mixture. The results showed that the kinematic viscosity of SBS modified asphalt at 135 鈩，
本文编号：2516914
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