治愈剂的选择用于自我治愈的青混凝土
Sergei Sergeevich Inozemtcev1, Evgeniy Valerievich Korolev2, Trong Toan Do3
1Department of Building Materials Science, National Research Moscow State University of Civil Engineering, 129337 Moscow, Russia.
Materials (Basel, Switzerland)
|December 23, 2023
概括
一种新的方法评估了使用酸盐技术对青混凝土的潜在治愈剂,如日油和AR聚合物. 这种方法评估了兼容性和粘合强度,为改进的自我愈合材料铺平了道路.
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.
- 化学工程是化学工程的重要组成部分.
背景情况:
- 在青混凝土中选择治愈剂的标准化方法缺乏.
- 对治愈剂与矩阵组件的兼容性评估对于自我治愈材料至关重要.
- 系统化研究和扩大治疗剂的范围是关键目标.
研究的目的:
- 提出和验证一种方法来评估物质作为封装青混凝土中治愈剂的适用性.
- 通过使用酸盐技术,评估向日油 (SfO) 和AR聚合物 (ARP) 作为潜在的治疗剂.
- 确定这些药物的对均性,粘附性和整体愈合效能的影响.
主要方法:
- 评估潜在的治疗剂的溶解性,与的同质性和粘合强度.
- 使用酸盐技术进行封装和评估乳液形成.
- 测量比布斯自由能量 (ΔG) 对于固剂系统.
- 使用拉伸分裂试验,在愈合后量化粘合剂粘合强度.
主要成果:
- 太阳花油和AR聚合物与 (Δδ → 0) 形成同质系统,并表现出负的吉布斯自由能量 (ΔG < 0).
- 这两种药物都能在酸盐溶液中成功形成乳液,其度会影响粘度.
- 粘合键强度恢复为SfO的14.2%和ARP的5.8%.
- 激活器将粘合键强度提高到最初分裂强度的25-45%.
结论:
- 提出的方法有效地评估了基于关键性能指标的青混凝土的愈合剂.
- 太阳花油和AR聚合物显示出作为治疗剂的希望,特别是当与激活剂结合时.
- 这种方法促进了先进的自我愈合的青混凝土配方的开发.
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