用聚合物修改的青混合物与PET和PE废物的性能优化方法
Assel Jexembayeva1, Marat Konkanov2, Lyazat Aruova1
1Department of Industrial and Civil Construction Technology, Eurasian National University, Astana 010000, Kazakhstan.
Polymers
|December 17, 2024
概括
在青混合物中回收聚乙烯二甲 (PET) 和聚乙烯 (PE) 废弃物可以提高道路的耐用性. 这种组合提高了机械性能和热稳定性,为路面性能提供了可持续的解决方案.
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.
- 环境科学 环境科学
背景情况:
- 道路基础设施的可持续性对经济发展至关重要.
- 在建筑中利用废弃材料可以减轻对环境的影响.
- 聚合物改性青可以提高路面的性能.
研究的目的:
- 研究聚乙烯二甲 (PET) 和聚乙烯 (PE) 废弃物对青混合物性能的联合影响.
- 确定PET和PE废物的最佳比例,以提高青性能.
- 填补有关这些废物材料协同影响的知识空白.
主要方法:
- 用聚合物修饰的青混合物的制备,含有不同百分比的PET和PE废物.
- 评估机械性能,包括压力强度,拉力强度,软化点,透度和柔性.
- 对改性青结合剂的热稳定性和粘度的分析.
主要成果:
- 组合PET和PE废弃物显著提高了青的压力强度 (高达7.5MPa) 和拉伸强度 (高达1.40MPa).
- 聚乙烯 (PET) 增强了刚性,弹性和热稳定性,而聚乙烯 (PE) 废物增加了柔性和抗变形性.
- 在6%的PE废料+2%的PET用于压力强度和4%的PE废料+4%的PET用于拉伸强度的混合物中观察到最佳性能.
结论:
- 合并PET和PE废弃物提供了一种协同方法,以提高青的机械和热特性.
- 这种可持续的做法导致更耐用的道路材料,具有平衡的刚性-弹性配置.
- 这些发现支持使用这些废物材料来改善道路基础设施的可持续性和性能.
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