研究一种用于高温和重型路面的聚烯复合材料修饰剂及其修饰青的性能及其修饰青的性能
Runduo Ding1,2, Xianhe Wang1,2, Wei Wang2
1School of Highway, Chang'an University, Xi'an 710061, China.
Polymers
|January 10, 2026
概括
来自回收材料的新型聚烯复合材料修饰剂 (PCM-H) 提高了青路面的性能. PCM-H MA显示出优越的高温耐受性和适用于重载道路的耐用性.
科学领域:
- 材料科学 材料科学 材料科学
- 土木工程 土木工程是指土木工程.
- 聚合物化学 聚合物化学
背景情况:
- 青路面面临着高温和重负荷下和性能方面的挑战.
- 现有的修饰剂在热稳定性和兼容性方面可能存在局限性.
- 从回收材料中开发可持续的高性能修饰剂至关重要.
研究的目的:
- 开发和评估一种使用废旧轮胎粉和回收塑料的新型聚烯烯复合材料修饰剂 (PCM-H).
- 为了比较PCM-H与商业修饰剂 (PCM-1,PCM-2) 的性能和性能.
- 调查PCM-H在提高乙烯-乙烯-乙烯 (SBS) 改性青在高温和低温性能方面的有效性.
主要方法:
- 使用FTIR,TGA和DSC分析了化学特性,热稳定性和兼容性.
- PCM-H被纳入SBS改性青中,其最佳剂量为10%的重量.
- 复合改性青的性能评估包括确定性能等级 (PG) 和评估高温弹性,爬行耐力,低温裂纹耐力和疲劳愈合.
主要成果:
- 与商业修饰剂相比,PCM-H显示出更高的兼容性和热稳定性.
- 在SBS青中,PCM-H形成了均的分散和三维交联网络结构.
- 经过PCM-H改性青 (PCM-H MA) 实现了超过94°C的PG,显示了增强的高温性能,低温裂纹抵抗和疲劳愈合.
结论:
- 开发的PCM-H为在苛刻条件下提高青路面性能提供了有效的解决方案.
- 由PCM-H形成的交联网络结构改善了青凝聚力和整体性能.
- 这项研究为从回收资源中制造耐用,高性能路面材料提供了理论基础.
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