乙和乙聚碳酸超塑性剂对性激活砂糖糊的流动性和定位行为的影响
Yong Jic Kim1, Sung Choi2, Sung Rok Oh3
1Division of Smart Construction and Environmental Engineering, Daejin University, Pocheon 11159, Republic of Korea.
Materials (Basel, Switzerland)
|October 26, 2024
概括
基于以太的超级增塑剂在活性废渣 (AAS) 糊中提供了优越的性能,与以为基础的类型相比,保持更长的流动性和延长定时间. 这是由于它们在性条件下增强的分子稳定性.
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.
- 可持续建筑 可持续建筑
背景情况:
- 活性渣 (AAS) 糊是一种新兴的可持续替代传统水泥.
- 聚碳酸超塑性剂 (PS) 对于控制水泥材料的整形学和结至关重要.
- 在高性AAS环境中PS的稳定性是关键的性能决定因素.
研究的目的:
- 为了比较评估以和以太为基础的聚碳酸超塑性剂在AAS糊中的性能.
- 评估它们对流动性保留和设置时间控制的影响.
- 了解它们的性能差异的潜在机制.
主要方法:
- 风学试验用于测量流动性质.
- 用于可行性评估的迷你沉积试验.
- 超声波脉冲速度 (UPV) 用于设置行为.
- 凝透色谱 (GPC) 用于分子分析.
- 控制的活性化,固定Na2O/SiO2比率为1:1.
主要成果:
- 基于以太的超级可塑剂保持流动性大约比以基的超级可塑剂长25%.
- 基于以太的超级可塑剂将定时间延长了约30%.
- 在性介质中以为基础的PS的增强分子稳定性解释了它们的卓越性能.
- 在AAS糊中,流动性损失和沉的发生速度比传统水泥系统更快.
结论:
- 在AAS粘贴应用中,以为基础的超级可塑剂比以为基础的更有效.
- 优化超级可塑剂的选择对于开发高性能,可持续的建筑材料至关重要.
- 了解聚合物-相互作用是推动活性材料技术发展的关键.
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